openstack/swift
Code Issues Proposed changes
62f8e64718
swift/test/unit/common/test_utils.py
Alexandre Lécuyer dbacdcf01c Add punch_hole utility function 
This is useful for deallocating disk blocks as part of an alternate disk
file implementation.

Additionally, add an offset argument to the existing fallocate utility
function; this allows you to grow an existing file.

Sam always had the best descriptions:

  utils.fallocate(fd, size) allocates <size> bytes for the file referred
  to by <fd>. It allows for keeping a reserve of an additional N bytes
  or X% of the filesystem free. If neither fallocate() or
  posix_fallocate() C functions are avaialble, utils.fallocate() will
  log a warning (once only) and not actually allocate space.

  utils.punch_hole(fd, offset, length) deallocates <length> bytes
  starting at <offset> from the file referred to by <fd>. It uses the C
  function fallocate(). If fallocate() is not available, calls to
  utils.punch_hole() will raise an exception.

Since these both use the fallocate syscall, refactor that a bit and get
rid of FallocateWrapper. We add a new _LibcWrapper to do some
lazy-loading of a C function and expose whether the function is actually
available in Python, though. This allows utils.fallocate and
utils.punch_hole to keep their fancy logic pretty well-contained.

Modernized the tests for utils.fallocate() and utils.punch_hole().

Co-Authored-By: Samuel Merritt <sam@swiftstack.com>
Change-Id: Ieac30a477d784905c94742ee3d0898d7e0194b39
2018-09-14 13:55:42 -06:00

7964 lines
321 KiB
Python
Raw Blame History

# Copyright (c) 2010-2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for swift.common.utils"""
from __future__ import print_function
import hashlib
from test.unit import temptree, debug_logger, make_timestamp_iter, \
with_tempdir, mock_timestamp_now
import ctypes
import contextlib
import errno
import eventlet
import eventlet.debug
import eventlet.event
import eventlet.patcher
import functools
import grp
import logging
import platform
import os
import mock
import posix
import pwd
import random
import re
import socket
import string
import sys
import json
import math
import inspect
import six
from six import BytesIO, StringIO
from six.moves.queue import Queue, Empty
from six.moves import http_client
from six.moves import range
from textwrap import dedent
import tempfile
import time
import unittest
import fcntl
import shutil
from getpass import getuser
from shutil import rmtree
from functools import partial
from tempfile import TemporaryFile, NamedTemporaryFile, mkdtemp
from netifaces import AF_INET6
from mock import MagicMock, patch
from six.moves.configparser import NoSectionError, NoOptionError
from uuid import uuid4
from swift.common.exceptions import Timeout, MessageTimeout, \
ConnectionTimeout, LockTimeout, ReplicationLockTimeout, \
MimeInvalid
from swift.common import utils
from swift.common.utils import is_valid_ip, is_valid_ipv4, is_valid_ipv6, \
set_swift_dir
from swift.common.container_sync_realms import ContainerSyncRealms
from swift.common.header_key_dict import HeaderKeyDict
from swift.common.storage_policy import POLICIES, reload_storage_policies
from swift.common.swob import Request, Response
from test.unit import FakeLogger, requires_o_tmpfile_support, \
requires_o_tmpfile_support_in_tmp, quiet_eventlet_exceptions
threading = eventlet.patcher.original('threading')
class MockOs(object):
def __init__(self, pass_funcs=None, called_funcs=None, raise_funcs=None):
if pass_funcs is None:
pass_funcs = []
if called_funcs is None:
called_funcs = []
if raise_funcs is None:
raise_funcs = []
self.closed_fds = []
for func in pass_funcs:
setattr(self, func, self.pass_func)
self.called_funcs = {}
for func in called_funcs:
c_func = partial(self.called_func, func)
setattr(self, func, c_func)
for func in raise_funcs:
r_func = partial(self.raise_func, func)
setattr(self, func, r_func)
def pass_func(self, *args, **kwargs):
pass
setgroups = chdir = setsid = setgid = setuid = umask = pass_func
def called_func(self, name, *args, **kwargs):
self.called_funcs[name] = args
def raise_func(self, name, *args, **kwargs):
self.called_funcs[name] = args
raise OSError()
def dup2(self, source, target):
self.closed_fds.append(target)
def geteuid(self):
'''Pretend we are running as root.'''
return 0
def __getattr__(self, name):
# I only over-ride portions of the os module
try:
return object.__getattr__(self, name)
except AttributeError:
return getattr(os, name)
class MockUdpSocket(object):
def __init__(self, sendto_errno=None):
self.sent = []
self.sendto_errno = sendto_errno
def sendto(self, data, target):
if self.sendto_errno:
raise socket.error(self.sendto_errno,
'test errno %s' % self.sendto_errno)
self.sent.append((data, target))
def close(self):
pass
class MockSys(object):
def __init__(self):
self.stdin = TemporaryFile('w')
self.stdout = TemporaryFile('r')
self.stderr = TemporaryFile('r')
self.__stderr__ = self.stderr
self.stdio_fds = [self.stdin.fileno(), self.stdout.fileno(),
self.stderr.fileno()]
def reset_loggers():
if hasattr(utils.get_logger, 'handler4logger'):
for logger, handler in utils.get_logger.handler4logger.items():
logger.removeHandler(handler)
delattr(utils.get_logger, 'handler4logger')
if hasattr(utils.get_logger, 'console_handler4logger'):
for logger, h in utils.get_logger.console_handler4logger.items():
logger.removeHandler(h)
delattr(utils.get_logger, 'console_handler4logger')
# Reset the LogAdapter class thread local state. Use get_logger() here
# to fetch a LogAdapter instance because the items from
# get_logger.handler4logger above are the underlying logger instances,
# not the LogAdapter.
utils.get_logger(None).thread_locals = (None, None)
def reset_logger_state(f):
@functools.wraps(f)
def wrapper(self, *args, **kwargs):
reset_loggers()
try:
return f(self, *args, **kwargs)
finally:
reset_loggers()
return wrapper
class TestTimestamp(unittest.TestCase):
"""Tests for swift.common.utils.Timestamp"""
def test_invalid_input(self):
self.assertRaises(ValueError, utils.Timestamp, time.time(), offset=-1)
self.assertRaises(ValueError, utils.Timestamp, '123.456_78_90')
def test_invalid_string_conversion(self):
t = utils.Timestamp.now()
self.assertRaises(TypeError, str, t)
def test_offset_limit(self):
t = 1417462430.78693
# can't have a offset above MAX_OFFSET
self.assertRaises(ValueError, utils.Timestamp, t,
offset=utils.MAX_OFFSET + 1)
# exactly max offset is fine
ts = utils.Timestamp(t, offset=utils.MAX_OFFSET)
self.assertEqual(ts.internal, '1417462430.78693_ffffffffffffffff')
# but you can't offset it further
self.assertRaises(ValueError, utils.Timestamp, ts.internal, offset=1)
# unless you start below it
ts = utils.Timestamp(t, offset=utils.MAX_OFFSET - 1)
self.assertEqual(utils.Timestamp(ts.internal, offset=1),
'1417462430.78693_ffffffffffffffff')
def test_normal_format_no_offset(self):
expected = '1402436408.91203'
test_values = (
'1402436408.91203',
'1402436408.91203_00000000',
'1402436408.912030000',
'1402436408.912030000_0000000000000',
'000001402436408.912030000',
'000001402436408.912030000_0000000000',
1402436408.91203,
1402436408.912029,
1402436408.9120300000000000,
1402436408.91202999999999999,
utils.Timestamp(1402436408.91203),
utils.Timestamp(1402436408.91203, offset=0),
utils.Timestamp(1402436408.912029),
utils.Timestamp(1402436408.912029, offset=0),
utils.Timestamp('1402436408.91203'),
utils.Timestamp('1402436408.91203', offset=0),
utils.Timestamp('1402436408.91203_00000000'),
utils.Timestamp('1402436408.91203_00000000', offset=0),
)
for value in test_values:
timestamp = utils.Timestamp(value)
self.assertEqual(timestamp.normal, expected)
# timestamp instance can also compare to string or float
self.assertEqual(timestamp, expected)
self.assertEqual(timestamp, float(expected))
self.assertEqual(timestamp, utils.normalize_timestamp(expected))
def test_isoformat(self):
expected = '2014-06-10T22:47:32.054580'
test_values = (
'1402440452.05458',
'1402440452.054579',
'1402440452.05458_00000000',
'1402440452.054579_00000000',
'1402440452.054580000',
'1402440452.054579999',
'1402440452.054580000_0000000000000',
'1402440452.054579999_0000ff00',
'000001402440452.054580000',
'000001402440452.0545799',
'000001402440452.054580000_0000000000',
'000001402440452.054579999999_00000fffff',
1402440452.05458,
1402440452.054579,
1402440452.0545800000000000,
1402440452.054579999,
utils.Timestamp(1402440452.05458),
utils.Timestamp(1402440452.0545799),
utils.Timestamp(1402440452.05458, offset=0),
utils.Timestamp(1402440452.05457999999, offset=0),
utils.Timestamp(1402440452.05458, offset=100),
utils.Timestamp(1402440452.054579, offset=100),
utils.Timestamp('1402440452.05458'),
utils.Timestamp('1402440452.054579999'),
utils.Timestamp('1402440452.05458', offset=0),
utils.Timestamp('1402440452.054579', offset=0),
utils.Timestamp('1402440452.05458', offset=300),
utils.Timestamp('1402440452.05457999', offset=300),
utils.Timestamp('1402440452.05458_00000000'),
utils.Timestamp('1402440452.05457999_00000000'),
utils.Timestamp('1402440452.05458_00000000', offset=0),
utils.Timestamp('1402440452.05457999_00000aaa', offset=0),
utils.Timestamp('1402440452.05458_00000000', offset=400),
utils.Timestamp('1402440452.054579_0a', offset=400),
)
for value in test_values:
self.assertEqual(utils.Timestamp(value).isoformat, expected)
expected = '1970-01-01T00:00:00.000000'
test_values = (
'0',
'0000000000.00000',
'0000000000.00000_ffffffffffff',
0,
0.0,
)
for value in test_values:
self.assertEqual(utils.Timestamp(value).isoformat, expected)
def test_not_equal(self):
ts = '1402436408.91203_0000000000000001'
test_values = (
utils.Timestamp('1402436408.91203_0000000000000002'),
utils.Timestamp('1402436408.91203'),
utils.Timestamp(1402436408.91203),
utils.Timestamp(1402436408.91204),
utils.Timestamp(1402436408.91203, offset=0),
utils.Timestamp(1402436408.91203, offset=2),
)
for value in test_values:
self.assertTrue(value != ts)
self.assertIs(True, utils.Timestamp(ts) == ts) # sanity
self.assertIs(False, utils.Timestamp(ts) != utils.Timestamp(ts))
self.assertIs(False, utils.Timestamp(ts) != ts)
self.assertIs(False, utils.Timestamp(ts) is None)
self.assertIs(True, utils.Timestamp(ts) is not None)
def test_no_force_internal_no_offset(self):
"""Test that internal is the same as normal with no offset"""
with mock.patch('swift.common.utils.FORCE_INTERNAL', new=False):
self.assertEqual(utils.Timestamp(0).internal, '0000000000.00000')
self.assertEqual(utils.Timestamp(1402437380.58186).internal,
'1402437380.58186')
self.assertEqual(utils.Timestamp(1402437380.581859).internal,
'1402437380.58186')
self.assertEqual(utils.Timestamp(0).internal,
utils.normalize_timestamp(0))
def test_no_force_internal_with_offset(self):
"""Test that internal always includes the offset if significant"""
with mock.patch('swift.common.utils.FORCE_INTERNAL', new=False):
self.assertEqual(utils.Timestamp(0, offset=1).internal,
'0000000000.00000_0000000000000001')
self.assertEqual(
utils.Timestamp(1402437380.58186, offset=16).internal,
'1402437380.58186_0000000000000010')
self.assertEqual(
utils.Timestamp(1402437380.581859, offset=240).internal,
'1402437380.58186_00000000000000f0')
self.assertEqual(
utils.Timestamp('1402437380.581859_00000001',
offset=240).internal,
'1402437380.58186_00000000000000f1')
def test_force_internal(self):
"""Test that internal always includes the offset if forced"""
with mock.patch('swift.common.utils.FORCE_INTERNAL', new=True):
self.assertEqual(utils.Timestamp(0).internal,
'0000000000.00000_0000000000000000')
self.assertEqual(utils.Timestamp(1402437380.58186).internal,
'1402437380.58186_0000000000000000')
self.assertEqual(utils.Timestamp(1402437380.581859).internal,
'1402437380.58186_0000000000000000')
self.assertEqual(utils.Timestamp(0, offset=1).internal,
'0000000000.00000_0000000000000001')
self.assertEqual(
utils.Timestamp(1402437380.58186, offset=16).internal,
'1402437380.58186_0000000000000010')
self.assertEqual(
utils.Timestamp(1402437380.581859, offset=16).internal,
'1402437380.58186_0000000000000010')
def test_internal_format_no_offset(self):
expected = '1402436408.91203_0000000000000000'
test_values = (
'1402436408.91203',
'1402436408.91203_00000000',
'1402436408.912030000',
'1402436408.912030000_0000000000000',
'000001402436408.912030000',
'000001402436408.912030000_0000000000',
1402436408.91203,
1402436408.9120300000000000,
1402436408.912029,
1402436408.912029999999999999,
utils.Timestamp(1402436408.91203),
utils.Timestamp(1402436408.91203, offset=0),
utils.Timestamp(1402436408.912029),
utils.Timestamp(1402436408.91202999999999999, offset=0),
utils.Timestamp('1402436408.91203'),
utils.Timestamp('1402436408.91203', offset=0),
utils.Timestamp('1402436408.912029'),
utils.Timestamp('1402436408.912029', offset=0),
utils.Timestamp('1402436408.912029999999999'),
utils.Timestamp('1402436408.912029999999999', offset=0),
)
for value in test_values:
# timestamp instance is always equivalent
self.assertEqual(utils.Timestamp(value), expected)
if utils.FORCE_INTERNAL:
# the FORCE_INTERNAL flag makes the internal format always
# include the offset portion of the timestamp even when it's
# not significant and would be bad during upgrades
self.assertEqual(utils.Timestamp(value).internal, expected)
else:
# unless we FORCE_INTERNAL, when there's no offset the
# internal format is equivalent to the normalized format
self.assertEqual(utils.Timestamp(value).internal,
'1402436408.91203')
def test_internal_format_with_offset(self):
expected = '1402436408.91203_00000000000000f0'
test_values = (
'1402436408.91203_000000f0',
u'1402436408.91203_000000f0',
b'1402436408.91203_000000f0',
'1402436408.912030000_0000000000f0',
'1402436408.912029_000000f0',
'1402436408.91202999999_0000000000f0',
'000001402436408.912030000_000000000f0',
'000001402436408.9120299999_000000000f0',
utils.Timestamp(1402436408.91203, offset=240),
utils.Timestamp(1402436408.912029, offset=240),
utils.Timestamp('1402436408.91203', offset=240),
utils.Timestamp('1402436408.91203_00000000', offset=240),
utils.Timestamp('1402436408.91203_0000000f', offset=225),
utils.Timestamp('1402436408.9120299999', offset=240),
utils.Timestamp('1402436408.9120299999_00000000', offset=240),
utils.Timestamp('1402436408.9120299999_00000010', offset=224),
)
for value in test_values:
timestamp = utils.Timestamp(value)
self.assertEqual(timestamp.internal, expected)
# can compare with offset if the string is internalized
self.assertEqual(timestamp, expected)
# if comparison value only includes the normalized portion and the
# timestamp includes an offset, it is considered greater
normal = utils.Timestamp(expected).normal
self.assertTrue(timestamp > normal,
'%r is not bigger than %r given %r' % (
timestamp, normal, value))
self.assertTrue(timestamp > float(normal),
'%r is not bigger than %f given %r' % (
timestamp, float(normal), value))
def test_short_format_with_offset(self):
expected = '1402436408.91203_f0'
timestamp = utils.Timestamp(1402436408.91203, 0xf0)
self.assertEqual(expected, timestamp.short)
expected = '1402436408.91203'
timestamp = utils.Timestamp(1402436408.91203)
self.assertEqual(expected, timestamp.short)
def test_raw(self):
expected = 140243640891203
timestamp = utils.Timestamp(1402436408.91203)
self.assertEqual(expected, timestamp.raw)
# 'raw' does not include offset
timestamp = utils.Timestamp(1402436408.91203, 0xf0)
self.assertEqual(expected, timestamp.raw)
def test_delta(self):
def _assertWithinBounds(expected, timestamp):
tolerance = 0.00001
minimum = expected - tolerance
maximum = expected + tolerance
self.assertTrue(float(timestamp) > minimum)
self.assertTrue(float(timestamp) < maximum)
timestamp = utils.Timestamp(1402436408.91203, delta=100)
_assertWithinBounds(1402436408.91303, timestamp)
self.assertEqual(140243640891303, timestamp.raw)
timestamp = utils.Timestamp(1402436408.91203, delta=-100)
_assertWithinBounds(1402436408.91103, timestamp)
self.assertEqual(140243640891103, timestamp.raw)
timestamp = utils.Timestamp(1402436408.91203, delta=0)
_assertWithinBounds(1402436408.91203, timestamp)
self.assertEqual(140243640891203, timestamp.raw)
# delta is independent of offset
timestamp = utils.Timestamp(1402436408.91203, offset=42, delta=100)
self.assertEqual(140243640891303, timestamp.raw)
self.assertEqual(42, timestamp.offset)
# cannot go negative
self.assertRaises(ValueError, utils.Timestamp, 1402436408.91203,
delta=-140243640891203)
def test_int(self):
expected = 1402437965
test_values = (
'1402437965.91203',
'1402437965.91203_00000000',
'1402437965.912030000',
'1402437965.912030000_0000000000000',
'000001402437965.912030000',
'000001402437965.912030000_0000000000',
1402437965.91203,
1402437965.9120300000000000,
1402437965.912029,
1402437965.912029999999999999,
utils.Timestamp(1402437965.91203),
utils.Timestamp(1402437965.91203, offset=0),
utils.Timestamp(1402437965.91203, offset=500),
utils.Timestamp(1402437965.912029),
utils.Timestamp(1402437965.91202999999999999, offset=0),
utils.Timestamp(1402437965.91202999999999999, offset=300),
utils.Timestamp('1402437965.91203'),
utils.Timestamp('1402437965.91203', offset=0),
utils.Timestamp('1402437965.91203', offset=400),
utils.Timestamp('1402437965.912029'),
utils.Timestamp('1402437965.912029', offset=0),
utils.Timestamp('1402437965.912029', offset=200),
utils.Timestamp('1402437965.912029999999999'),
utils.Timestamp('1402437965.912029999999999', offset=0),
utils.Timestamp('1402437965.912029999999999', offset=100),
)
for value in test_values:
timestamp = utils.Timestamp(value)
self.assertEqual(int(timestamp), expected)
self.assertTrue(timestamp > expected)
def test_float(self):
expected = 1402438115.91203
test_values = (
'1402438115.91203',
'1402438115.91203_00000000',
'1402438115.912030000',
'1402438115.912030000_0000000000000',
'000001402438115.912030000',
'000001402438115.912030000_0000000000',
1402438115.91203,
1402438115.9120300000000000,
1402438115.912029,
1402438115.912029999999999999,
utils.Timestamp(1402438115.91203),
utils.Timestamp(1402438115.91203, offset=0),
utils.Timestamp(1402438115.91203, offset=500),
utils.Timestamp(1402438115.912029),
utils.Timestamp(1402438115.91202999999999999, offset=0),
utils.Timestamp(1402438115.91202999999999999, offset=300),
utils.Timestamp('1402438115.91203'),
utils.Timestamp('1402438115.91203', offset=0),
utils.Timestamp('1402438115.91203', offset=400),
utils.Timestamp('1402438115.912029'),
utils.Timestamp('1402438115.912029', offset=0),
utils.Timestamp('1402438115.912029', offset=200),
utils.Timestamp('1402438115.912029999999999'),
utils.Timestamp('1402438115.912029999999999', offset=0),
utils.Timestamp('1402438115.912029999999999', offset=100),
)
tolerance = 0.00001
minimum = expected - tolerance
maximum = expected + tolerance
for value in test_values:
timestamp = utils.Timestamp(value)
self.assertTrue(float(timestamp) > minimum,
'%f is not bigger than %f given %r' % (
timestamp, minimum, value))
self.assertTrue(float(timestamp) < maximum,
'%f is not smaller than %f given %r' % (
timestamp, maximum, value))
# direct comparison of timestamp works too
self.assertTrue(timestamp > minimum,
'%s is not bigger than %f given %r' % (
timestamp.normal, minimum, value))
self.assertTrue(timestamp < maximum,
'%s is not smaller than %f given %r' % (
timestamp.normal, maximum, value))
# ... even against strings
self.assertTrue(timestamp > '%f' % minimum,
'%s is not bigger than %s given %r' % (
timestamp.normal, minimum, value))
self.assertTrue(timestamp < '%f' % maximum,
'%s is not smaller than %s given %r' % (
timestamp.normal, maximum, value))
def test_false(self):
self.assertFalse(utils.Timestamp(0))
self.assertFalse(utils.Timestamp(0, offset=0))
self.assertFalse(utils.Timestamp('0'))
self.assertFalse(utils.Timestamp('0', offset=0))
self.assertFalse(utils.Timestamp(0.0))
self.assertFalse(utils.Timestamp(0.0, offset=0))
self.assertFalse(utils.Timestamp('0.0'))
self.assertFalse(utils.Timestamp('0.0', offset=0))
self.assertFalse(utils.Timestamp(00000000.00000000))
self.assertFalse(utils.Timestamp(00000000.00000000, offset=0))
self.assertFalse(utils.Timestamp('00000000.00000000'))
self.assertFalse(utils.Timestamp('00000000.00000000', offset=0))
def test_true(self):
self.assertTrue(utils.Timestamp(1))
self.assertTrue(utils.Timestamp(1, offset=1))
self.assertTrue(utils.Timestamp(0, offset=1))
self.assertTrue(utils.Timestamp('1'))
self.assertTrue(utils.Timestamp('1', offset=1))
self.assertTrue(utils.Timestamp('0', offset=1))
self.assertTrue(utils.Timestamp(1.1))
self.assertTrue(utils.Timestamp(1.1, offset=1))
self.assertTrue(utils.Timestamp(0.0, offset=1))
self.assertTrue(utils.Timestamp('1.1'))
self.assertTrue(utils.Timestamp('1.1', offset=1))
self.assertTrue(utils.Timestamp('0.0', offset=1))
self.assertTrue(utils.Timestamp(11111111.11111111))
self.assertTrue(utils.Timestamp(11111111.11111111, offset=1))
self.assertTrue(utils.Timestamp(00000000.00000000, offset=1))
self.assertTrue(utils.Timestamp('11111111.11111111'))
self.assertTrue(utils.Timestamp('11111111.11111111', offset=1))
self.assertTrue(utils.Timestamp('00000000.00000000', offset=1))
def test_greater_no_offset(self):
now = time.time()
older = now - 1
timestamp = utils.Timestamp(now)
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
1402443112.213252, '1402443112.213252', '1402443112.213252_ffff',
older, '%f' % older, '%f_0000ffff' % older,
)
for value in test_values:
other = utils.Timestamp(value)
self.assertNotEqual(timestamp, other) # sanity
self.assertTrue(timestamp > value,
'%r is not greater than %r given %r' % (
timestamp, value, value))
self.assertTrue(timestamp > other,
'%r is not greater than %r given %r' % (
timestamp, other, value))
self.assertTrue(timestamp > other.normal,
'%r is not greater than %r given %r' % (
timestamp, other.normal, value))
self.assertTrue(timestamp > other.internal,
'%r is not greater than %r given %r' % (
timestamp, other.internal, value))
self.assertTrue(timestamp > float(other),
'%r is not greater than %r given %r' % (
timestamp, float(other), value))
self.assertTrue(timestamp > int(other),
'%r is not greater than %r given %r' % (
timestamp, int(other), value))
def _test_greater_with_offset(self, now, test_values):
for offset in range(1, 1000, 100):
timestamp = utils.Timestamp(now, offset=offset)
for value in test_values:
other = utils.Timestamp(value)
self.assertNotEqual(timestamp, other) # sanity
self.assertTrue(timestamp > value,
'%r is not greater than %r given %r' % (
timestamp, value, value))
self.assertTrue(timestamp > other,
'%r is not greater than %r given %r' % (
timestamp, other, value))
self.assertTrue(timestamp > other.normal,
'%r is not greater than %r given %r' % (
timestamp, other.normal, value))
self.assertTrue(timestamp > other.internal,
'%r is not greater than %r given %r' % (
timestamp, other.internal, value))
self.assertTrue(timestamp > float(other),
'%r is not greater than %r given %r' % (
timestamp, float(other), value))
self.assertTrue(timestamp > int(other),
'%r is not greater than %r given %r' % (
timestamp, int(other), value))
def test_greater_with_offset(self):
# Part 1: use the natural time of the Python. This is deliciously
# unpredictable, but completely legitimate and realistic. Finds bugs!
now = time.time()
older = now - 1
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
1402443346.935174, '1402443346.93517', '1402443346.935169_ffff',
older, now,
)
self._test_greater_with_offset(now, test_values)
# Part 2: Same as above, but with fixed time values that reproduce
# specific corner cases.
now = 1519830570.6949348
older = now - 1
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
1402443346.935174, '1402443346.93517', '1402443346.935169_ffff',
older, now,
)
self._test_greater_with_offset(now, test_values)
# Part 3: The '%f' problem. Timestamps cannot be converted to %f
# strings, then back to timestamps, then compared with originals.
# You can only "import" a floating point representation once.
now = 1519830570.6949348
now = float('%f' % now)
older = now - 1
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
older, '%f' % older, '%f_0000ffff' % older,
now, '%f' % now, '%s_00000000' % now,
)
self._test_greater_with_offset(now, test_values)
def test_smaller_no_offset(self):
now = time.time()
newer = now + 1
timestamp = utils.Timestamp(now)
test_values = (
9999999999.99999, '9999999999.99999', '9999999999.99999_ffff',
newer, '%f' % newer, '%f_0000ffff' % newer,
)
for value in test_values:
other = utils.Timestamp(value)
self.assertNotEqual(timestamp, other) # sanity
self.assertTrue(timestamp < value,
'%r is not smaller than %r given %r' % (
timestamp, value, value))
self.assertTrue(timestamp < other,
'%r is not smaller than %r given %r' % (
timestamp, other, value))
self.assertTrue(timestamp < other.normal,
'%r is not smaller than %r given %r' % (
timestamp, other.normal, value))
self.assertTrue(timestamp < other.internal,
'%r is not smaller than %r given %r' % (
timestamp, other.internal, value))
self.assertTrue(timestamp < float(other),
'%r is not smaller than %r given %r' % (
timestamp, float(other), value))
self.assertTrue(timestamp < int(other),
'%r is not smaller than %r given %r' % (
timestamp, int(other), value))
def test_smaller_with_offset(self):
now = time.time()
newer = now + 1
test_values = (
9999999999.99999, '9999999999.99999', '9999999999.99999_ffff',
newer, '%f' % newer, '%f_0000ffff' % newer,
)
for offset in range(1, 1000, 100):
timestamp = utils.Timestamp(now, offset=offset)
for value in test_values:
other = utils.Timestamp(value)
self.assertNotEqual(timestamp, other) # sanity
self.assertTrue(timestamp < value,
'%r is not smaller than %r given %r' % (
timestamp, value, value))
self.assertTrue(timestamp < other,
'%r is not smaller than %r given %r' % (
timestamp, other, value))
self.assertTrue(timestamp < other.normal,
'%r is not smaller than %r given %r' % (
timestamp, other.normal, value))
self.assertTrue(timestamp < other.internal,
'%r is not smaller than %r given %r' % (
timestamp, other.internal, value))
self.assertTrue(timestamp < float(other),
'%r is not smaller than %r given %r' % (
timestamp, float(other), value))
self.assertTrue(timestamp < int(other),
'%r is not smaller than %r given %r' % (
timestamp, int(other), value))
def test_cmp_with_none(self):
self.assertGreater(utils.Timestamp(0), None)
self.assertGreater(utils.Timestamp(1.0), None)
self.assertGreater(utils.Timestamp(1.0, 42), None)
def test_ordering(self):
given = [
'1402444820.62590_000000000000000a',
'1402444820.62589_0000000000000001',
'1402444821.52589_0000000000000004',
'1402444920.62589_0000000000000004',
'1402444821.62589_000000000000000a',
'1402444821.72589_000000000000000a',
'1402444920.62589_0000000000000002',
'1402444820.62589_0000000000000002',
'1402444820.62589_000000000000000a',
'1402444820.62590_0000000000000004',
'1402444920.62589_000000000000000a',
'1402444820.62590_0000000000000002',
'1402444821.52589_0000000000000002',
'1402444821.52589_0000000000000000',
'1402444920.62589',
'1402444821.62589_0000000000000004',
'1402444821.72589_0000000000000001',
'1402444820.62590',
'1402444820.62590_0000000000000001',
'1402444820.62589_0000000000000004',
'1402444821.72589_0000000000000000',
'1402444821.52589_000000000000000a',
'1402444821.72589_0000000000000004',
'1402444821.62589',
'1402444821.52589_0000000000000001',
'1402444821.62589_0000000000000001',
'1402444821.62589_0000000000000002',
'1402444821.72589_0000000000000002',
'1402444820.62589',
'1402444920.62589_0000000000000001']
expected = [
'1402444820.62589',
'1402444820.62589_0000000000000001',
'1402444820.62589_0000000000000002',
'1402444820.62589_0000000000000004',
'1402444820.62589_000000000000000a',
'1402444820.62590',
'1402444820.62590_0000000000000001',
'1402444820.62590_0000000000000002',
'1402444820.62590_0000000000000004',
'1402444820.62590_000000000000000a',
'1402444821.52589',
'1402444821.52589_0000000000000001',
'1402444821.52589_0000000000000002',
'1402444821.52589_0000000000000004',
'1402444821.52589_000000000000000a',
'1402444821.62589',
'1402444821.62589_0000000000000001',
'1402444821.62589_0000000000000002',
'1402444821.62589_0000000000000004',
'1402444821.62589_000000000000000a',
'1402444821.72589',
'1402444821.72589_0000000000000001',
'1402444821.72589_0000000000000002',
'1402444821.72589_0000000000000004',
'1402444821.72589_000000000000000a',
'1402444920.62589',
'1402444920.62589_0000000000000001',
'1402444920.62589_0000000000000002',
'1402444920.62589_0000000000000004',
'1402444920.62589_000000000000000a',
]
# less visual version
"""
now = time.time()
given = [
utils.Timestamp(now + i, offset=offset).internal
for i in (0, 0.00001, 0.9, 1.0, 1.1, 100.0)
for offset in (0, 1, 2, 4, 10)
]
expected = [t for t in given]
random.shuffle(given)
"""
self.assertEqual(len(given), len(expected)) # sanity
timestamps = [utils.Timestamp(t) for t in given]
# our expected values don't include insignificant offsets
with mock.patch('swift.common.utils.FORCE_INTERNAL', new=False):
self.assertEqual(
[t.internal for t in sorted(timestamps)], expected)
# string sorting works as well
self.assertEqual(
sorted([t.internal for t in timestamps]), expected)
def test_hashable(self):
ts_0 = utils.Timestamp('1402444821.72589')
ts_0_also = utils.Timestamp('1402444821.72589')
self.assertEqual(ts_0, ts_0_also) # sanity
self.assertEqual(hash(ts_0), hash(ts_0_also))
d = {ts_0: 'whatever'}
self.assertIn(ts_0, d) # sanity
self.assertIn(ts_0_also, d)
class TestTimestampEncoding(unittest.TestCase):
def setUp(self):
t0 = utils.Timestamp(0.0)
t1 = utils.Timestamp(997.9996)
t2 = utils.Timestamp(999)
t3 = utils.Timestamp(1000, 24)
t4 = utils.Timestamp(1001)
t5 = utils.Timestamp(1002.00040)
# encodings that are expected when explicit = False
self.non_explicit_encodings = (
('0000001000.00000_18', (t3, t3, t3)),
('0000001000.00000_18', (t3, t3, None)),
)
# mappings that are expected when explicit = True
self.explicit_encodings = (
('0000001000.00000_18+0+0', (t3, t3, t3)),
('0000001000.00000_18+0', (t3, t3, None)),
)
# mappings that are expected when explicit = True or False
self.encodings = (
('0000001000.00000_18+0+186a0', (t3, t3, t4)),
('0000001000.00000_18+186a0+186c8', (t3, t4, t5)),
('0000001000.00000_18-186a0+0', (t3, t2, t2)),
('0000001000.00000_18+0-186a0', (t3, t3, t2)),
('0000001000.00000_18-186a0-186c8', (t3, t2, t1)),
('0000001000.00000_18', (t3, None, None)),
('0000001000.00000_18+186a0', (t3, t4, None)),
('0000001000.00000_18-186a0', (t3, t2, None)),
('0000001000.00000_18', (t3, None, t1)),
('0000001000.00000_18-5f5e100', (t3, t0, None)),
('0000001000.00000_18+0-5f5e100', (t3, t3, t0)),
('0000001000.00000_18-5f5e100+5f45a60', (t3, t0, t2)),
)
# decodings that are expected when explicit = False
self.non_explicit_decodings = (
('0000001000.00000_18', (t3, t3, t3)),
('0000001000.00000_18+186a0', (t3, t4, t4)),
('0000001000.00000_18-186a0', (t3, t2, t2)),
('0000001000.00000_18+186a0', (t3, t4, t4)),
('0000001000.00000_18-186a0', (t3, t2, t2)),
('0000001000.00000_18-5f5e100', (t3, t0, t0)),
)
# decodings that are expected when explicit = True
self.explicit_decodings = (
('0000001000.00000_18+0+0', (t3, t3, t3)),
('0000001000.00000_18+0', (t3, t3, None)),
('0000001000.00000_18', (t3, None, None)),
('0000001000.00000_18+186a0', (t3, t4, None)),
('0000001000.00000_18-186a0', (t3, t2, None)),
('0000001000.00000_18-5f5e100', (t3, t0, None)),
)
# decodings that are expected when explicit = True or False
self.decodings = (
('0000001000.00000_18+0+186a0', (t3, t3, t4)),
('0000001000.00000_18+186a0+186c8', (t3, t4, t5)),
('0000001000.00000_18-186a0+0', (t3, t2, t2)),
('0000001000.00000_18+0-186a0', (t3, t3, t2)),
('0000001000.00000_18-186a0-186c8', (t3, t2, t1)),
('0000001000.00000_18-5f5e100+5f45a60', (t3, t0, t2)),
)
def _assertEqual(self, expected, actual, test):
self.assertEqual(expected, actual,
'Got %s but expected %s for parameters %s'
% (actual, expected, test))
def test_encoding(self):
for test in self.explicit_encodings:
actual = utils.encode_timestamps(test[1][0], test[1][1],
test[1][2], True)
self._assertEqual(test[0], actual, test[1])
for test in self.non_explicit_encodings:
actual = utils.encode_timestamps(test[1][0], test[1][1],
test[1][2], False)
self._assertEqual(test[0], actual, test[1])
for explicit in (True, False):
for test in self.encodings:
actual = utils.encode_timestamps(test[1][0], test[1][1],
test[1][2], explicit)
self._assertEqual(test[0], actual, test[1])
def test_decoding(self):
for test in self.explicit_decodings:
actual = utils.decode_timestamps(test[0], True)
self._assertEqual(test[1], actual, test[0])
for test in self.non_explicit_decodings:
actual = utils.decode_timestamps(test[0], False)
self._assertEqual(test[1], actual, test[0])
for explicit in (True, False):
for test in self.decodings:
actual = utils.decode_timestamps(test[0], explicit)
self._assertEqual(test[1], actual, test[0])
class TestUtils(unittest.TestCase):
"""Tests for swift.common.utils """
def setUp(self):
utils.HASH_PATH_SUFFIX = b'endcap'
utils.HASH_PATH_PREFIX = b'startcap'
def test_get_zero_indexed_base_string(self):
self.assertEqual(utils.get_zero_indexed_base_string('something', 0),
'something')
self.assertEqual(utils.get_zero_indexed_base_string('something', None),
'something')
self.assertEqual(utils.get_zero_indexed_base_string('something', 1),
'something-1')
self.assertRaises(ValueError, utils.get_zero_indexed_base_string,
'something', 'not_integer')
@with_tempdir
def test_lock_path(self, tmpdir):
# 2 locks with limit=1 must fail
success = False
with utils.lock_path(tmpdir, 0.1):
with self.assertRaises(LockTimeout):
with utils.lock_path(tmpdir, 0.1):
success = True
self.assertFalse(success)
# 2 locks with limit=2 must succeed
success = False
with utils.lock_path(tmpdir, 0.1, limit=2):
try:
with utils.lock_path(tmpdir, 0.1, limit=2):
success = True
except LockTimeout as exc:
self.fail('Unexpected exception %s' % exc)
self.assertTrue(success)
# 3 locks with limit=2 must fail
success = False
with utils.lock_path(tmpdir, 0.1, limit=2):
with utils.lock_path(tmpdir, 0.1, limit=2):
with self.assertRaises(LockTimeout):
with utils.lock_path(tmpdir, 0.1):
success = True
self.assertFalse(success)
@with_tempdir
def test_lock_path_invalid_limit(self, tmpdir):
success = False
with self.assertRaises(ValueError):
with utils.lock_path(tmpdir, 0.1, limit=0):
success = True
self.assertFalse(success)
with self.assertRaises(ValueError):
with utils.lock_path(tmpdir, 0.1, limit=-1):
success = True
self.assertFalse(success)
with self.assertRaises(TypeError):
with utils.lock_path(tmpdir, 0.1, limit='1'):
success = True
self.assertFalse(success)
with self.assertRaises(TypeError):
with utils.lock_path(tmpdir, 0.1, limit=1.1):
success = True
self.assertFalse(success)
@with_tempdir
def test_lock_path_num_sleeps(self, tmpdir):
num_short_calls = [0]
exception_raised = [False]
def my_sleep(to_sleep):
if to_sleep == 0.01:
num_short_calls[0] += 1
else:
raise Exception('sleep time changed: %s' % to_sleep)
try:
with mock.patch('swift.common.utils.sleep', my_sleep):
with utils.lock_path(tmpdir):
with utils.lock_path(tmpdir):
pass
except Exception as e:
exception_raised[0] = True
self.assertTrue('sleep time changed' in str(e))
self.assertEqual(num_short_calls[0], 11)
self.assertTrue(exception_raised[0])
@with_tempdir
def test_lock_path_class(self, tmpdir):
with utils.lock_path(tmpdir, 0.1, ReplicationLockTimeout):
exc = None
exc2 = None
success = False
try:
with utils.lock_path(tmpdir, 0.1, ReplicationLockTimeout):
success = True
except ReplicationLockTimeout as err:
exc = err
except LockTimeout as err:
exc2 = err
self.assertTrue(exc is not None)
self.assertTrue(exc2 is None)
self.assertTrue(not success)
exc = None
exc2 = None
success = False
try:
with utils.lock_path(tmpdir, 0.1):
success = True
except ReplicationLockTimeout as err:
exc = err
except LockTimeout as err:
exc2 = err
self.assertTrue(exc is None)
self.assertTrue(exc2 is not None)
self.assertTrue(not success)
def test_normalize_timestamp(self):
# Test swift.common.utils.normalize_timestamp
self.assertEqual(utils.normalize_timestamp('1253327593.48174'),
"1253327593.48174")
self.assertEqual(utils.normalize_timestamp(1253327593.48174),
"1253327593.48174")
self.assertEqual(utils.normalize_timestamp('1253327593.48'),
"1253327593.48000")
self.assertEqual(utils.normalize_timestamp(1253327593.48),
"1253327593.48000")
self.assertEqual(utils.normalize_timestamp('253327593.48'),
"0253327593.48000")
self.assertEqual(utils.normalize_timestamp(253327593.48),
"0253327593.48000")
self.assertEqual(utils.normalize_timestamp('1253327593'),
"1253327593.00000")
self.assertEqual(utils.normalize_timestamp(1253327593),
"1253327593.00000")
self.assertRaises(ValueError, utils.normalize_timestamp, '')
self.assertRaises(ValueError, utils.normalize_timestamp, 'abc')
def test_normalize_delete_at_timestamp(self):
self.assertEqual(
utils.normalize_delete_at_timestamp(1253327593),
'1253327593')
self.assertEqual(
utils.normalize_delete_at_timestamp(1253327593.67890),
'1253327593')
self.assertEqual(
utils.normalize_delete_at_timestamp('1253327593'),
'1253327593')
self.assertEqual(
utils.normalize_delete_at_timestamp('1253327593.67890'),
'1253327593')
self.assertEqual(
utils.normalize_delete_at_timestamp(-1253327593),
'0000000000')
self.assertEqual(
utils.normalize_delete_at_timestamp(-1253327593.67890),
'0000000000')
self.assertEqual(
utils.normalize_delete_at_timestamp('-1253327593'),
'0000000000')
self.assertEqual(
utils.normalize_delete_at_timestamp('-1253327593.67890'),
'0000000000')
self.assertEqual(
utils.normalize_delete_at_timestamp(71253327593),
'9999999999')
self.assertEqual(
utils.normalize_delete_at_timestamp(71253327593.67890),
'9999999999')
self.assertEqual(
utils.normalize_delete_at_timestamp('71253327593'),
'9999999999')
self.assertEqual(
utils.normalize_delete_at_timestamp('71253327593.67890'),
'9999999999')
self.assertRaises(ValueError, utils.normalize_timestamp, '')
self.assertRaises(ValueError, utils.normalize_timestamp, 'abc')
def test_last_modified_date_to_timestamp(self):
expectations = {
'1970-01-01T00:00:00.000000': 0.0,
'2014-02-28T23:22:36.698390': 1393629756.698390,
'2011-03-19T04:03:00.604554': 1300507380.604554,
}
for last_modified, ts in expectations.items():
real = utils.last_modified_date_to_timestamp(last_modified)
self.assertEqual(real, ts, "failed for %s" % last_modified)
def test_last_modified_date_to_timestamp_when_system_not_UTC(self):
try:
old_tz = os.environ.get('TZ')
# Western Argentina Summer Time. Found in glibc manual; this
# timezone always has a non-zero offset from UTC, so this test is
# always meaningful.
os.environ['TZ'] = 'WART4WARST,J1/0,J365/25'
self.assertEqual(utils.last_modified_date_to_timestamp(
'1970-01-01T00:00:00.000000'),
0.0)
finally:
if old_tz is not None:
os.environ['TZ'] = old_tz
else:
os.environ.pop('TZ')
def test_backwards(self):
# Test swift.common.utils.backward
# The lines are designed so that the function would encounter
# all of the boundary conditions and typical conditions.
# Block boundaries are marked with '<>' characters
blocksize = 25
lines = [b'123456789x12345678><123456789\n', # block larger than rest
b'123456789x123>\n', # block ends just before \n character
b'123423456789\n',
b'123456789x\n', # block ends at the end of line
b'<123456789x123456789x123\n',
b'<6789x123\n', # block ends at the beginning of the line
b'6789x1234\n',
b'1234><234\n', # block ends typically in the middle of line
b'123456789x123456789\n']
with TemporaryFile() as f:
for line in lines:
f.write(line)
count = len(lines) - 1
for line in utils.backward(f, blocksize):
self.assertEqual(line, lines[count].split(b'\n')[0])
count -= 1
# Empty file case
with TemporaryFile('r') as f:
self.assertEqual([], list(utils.backward(f)))
def test_mkdirs(self):
testdir_base = mkdtemp()
testroot = os.path.join(testdir_base, 'mkdirs')
try:
self.assertTrue(not os.path.exists(testroot))
utils.mkdirs(testroot)
self.assertTrue(os.path.exists(testroot))
utils.mkdirs(testroot)
self.assertTrue(os.path.exists(testroot))
rmtree(testroot, ignore_errors=1)
testdir = os.path.join(testroot, 'one/two/three')
self.assertTrue(not os.path.exists(testdir))
utils.mkdirs(testdir)
self.assertTrue(os.path.exists(testdir))
utils.mkdirs(testdir)
self.assertTrue(os.path.exists(testdir))
rmtree(testroot, ignore_errors=1)
open(testroot, 'wb').close()
self.assertTrue(not os.path.exists(testdir))
self.assertRaises(OSError, utils.mkdirs, testdir)
os.unlink(testroot)
finally:
rmtree(testdir_base)
def test_split_path(self):
# Test swift.common.utils.split_account_path
self.assertRaises(ValueError, utils.split_path, '')
self.assertRaises(ValueError, utils.split_path, '/')
self.assertRaises(ValueError, utils.split_path, '//')
self.assertEqual(utils.split_path('/a'), ['a'])
self.assertRaises(ValueError, utils.split_path, '//a')
self.assertEqual(utils.split_path('/a/'), ['a'])
self.assertRaises(ValueError, utils.split_path, '/a/c')
self.assertRaises(ValueError, utils.split_path, '//c')
self.assertRaises(ValueError, utils.split_path, '/a/c/')
self.assertRaises(ValueError, utils.split_path, '/a//')
self.assertRaises(ValueError, utils.split_path, '/a', 2)
self.assertRaises(ValueError, utils.split_path, '/a', 2, 3)
self.assertRaises(ValueError, utils.split_path, '/a', 2, 3, True)
self.assertEqual(utils.split_path('/a/c', 2), ['a', 'c'])
self.assertEqual(utils.split_path('/a/c/o', 3), ['a', 'c', 'o'])
self.assertRaises(ValueError, utils.split_path, '/a/c/o/r', 3, 3)
self.assertEqual(utils.split_path('/a/c/o/r', 3, 3, True),
['a', 'c', 'o/r'])
self.assertEqual(utils.split_path('/a/c', 2, 3, True),
['a', 'c', None])
self.assertRaises(ValueError, utils.split_path, '/a', 5, 4)
self.assertEqual(utils.split_path('/a/c/', 2), ['a', 'c'])
self.assertEqual(utils.split_path('/a/c/', 2, 3), ['a', 'c', ''])
try:
utils.split_path('o\nn e', 2)
except ValueError as err:
self.assertEqual(str(err), 'Invalid path: o%0An%20e')
try:
utils.split_path('o\nn e', 2, 3, True)
except ValueError as err:
self.assertEqual(str(err), 'Invalid path: o%0An%20e')
def test_validate_device_partition(self):
# Test swift.common.utils.validate_device_partition
utils.validate_device_partition('foo', 'bar')
self.assertRaises(ValueError,
utils.validate_device_partition, '', '')
self.assertRaises(ValueError,
utils.validate_device_partition, '', 'foo')
self.assertRaises(ValueError,
utils.validate_device_partition, 'foo', '')
self.assertRaises(ValueError,
utils.validate_device_partition, 'foo/bar', 'foo')
self.assertRaises(ValueError,
utils.validate_device_partition, 'foo', 'foo/bar')
self.assertRaises(ValueError,
utils.validate_device_partition, '.', 'foo')
self.assertRaises(ValueError,
utils.validate_device_partition, '..', 'foo')
self.assertRaises(ValueError,
utils.validate_device_partition, 'foo', '.')
self.assertRaises(ValueError,
utils.validate_device_partition, 'foo', '..')
try:
utils.validate_device_partition('o\nn e', 'foo')
except ValueError as err:
self.assertEqual(str(err), 'Invalid device: o%0An%20e')
try:
utils.validate_device_partition('foo', 'o\nn e')
except ValueError as err:
self.assertEqual(str(err), 'Invalid partition: o%0An%20e')
def test_NullLogger(self):
# Test swift.common.utils.NullLogger
sio = StringIO()
nl = utils.NullLogger()
nl.write('test')
self.assertEqual(sio.getvalue(), '')
def test_LoggerFileObject(self):
orig_stdout = sys.stdout
orig_stderr = sys.stderr
sio = StringIO()
handler = logging.StreamHandler(sio)
logger = logging.getLogger()
logger.addHandler(handler)
lfo_stdout = utils.LoggerFileObject(logger)
lfo_stderr = utils.LoggerFileObject(logger)
lfo_stderr = utils.LoggerFileObject(logger, 'STDERR')
print('test1')
self.assertEqual(sio.getvalue(), '')
sys.stdout = lfo_stdout
print('test2')
self.assertEqual(sio.getvalue(), 'STDOUT: test2\n')
sys.stderr = lfo_stderr
print('test4', file=sys.stderr)
self.assertEqual(sio.getvalue(), 'STDOUT: test2\nSTDERR: test4\n')
sys.stdout = orig_stdout
print('test5')
self.assertEqual(sio.getvalue(), 'STDOUT: test2\nSTDERR: test4\n')
print('test6', file=sys.stderr)
self.assertEqual(sio.getvalue(), 'STDOUT: test2\nSTDERR: test4\n'
'STDERR: test6\n')
sys.stderr = orig_stderr
print('test8')
self.assertEqual(sio.getvalue(), 'STDOUT: test2\nSTDERR: test4\n'
'STDERR: test6\n')
lfo_stdout.writelines(['a', 'b', 'c'])
self.assertEqual(sio.getvalue(), 'STDOUT: test2\nSTDERR: test4\n'
'STDERR: test6\nSTDOUT: a#012b#012c\n')
lfo_stdout.close()
lfo_stderr.close()
lfo_stdout.write('d')
self.assertEqual(sio.getvalue(), 'STDOUT: test2\nSTDERR: test4\n'
'STDERR: test6\nSTDOUT: a#012b#012c\nSTDOUT: d\n')
lfo_stdout.flush()
self.assertEqual(sio.getvalue(), 'STDOUT: test2\nSTDERR: test4\n'
'STDERR: test6\nSTDOUT: a#012b#012c\nSTDOUT: d\n')
for lfo in (lfo_stdout, lfo_stderr):
got_exc = False
try:
for line in lfo:
pass
except Exception:
got_exc = True
self.assertTrue(got_exc)
got_exc = False
try:
for line in lfo:
pass
except Exception:
got_exc = True
self.assertTrue(got_exc)
self.assertRaises(IOError, lfo.read)
self.assertRaises(IOError, lfo.read, 1024)
self.assertRaises(IOError, lfo.readline)
self.assertRaises(IOError, lfo.readline, 1024)
lfo.tell()
def test_LoggerFileObject_recursion(self):
crashy_calls = [0]
class CrashyLogger(logging.Handler):
def emit(self, record):
crashy_calls[0] += 1
try:
# Pretend to be trying to send to syslog, but syslogd is
# dead. We need the raise here to set sys.exc_info.
raise socket.error(errno.ENOTCONN, "This is an ex-syslog")
except socket.error:
self.handleError(record)
logger = logging.getLogger()
logger.addHandler(CrashyLogger())
# Set up some real file descriptors for stdio. If you run
# nosetests with "-s", you already have real files there, but
# otherwise they're StringIO objects.
#
# In any case, since capture_stdio() closes sys.stdin and friends,
# we'd want to set up some sacrificial files so as to not goof up
# the testrunner.
new_stdin = open(os.devnull, 'r+b')
new_stdout = open(os.devnull, 'w+b')
new_stderr = open(os.devnull, 'w+b')
with contextlib.closing(new_stdin), contextlib.closing(new_stdout), \
contextlib.closing(new_stderr):
# logging.raiseExceptions is set to False in test/__init__.py, but
# is True in Swift daemons, and the error doesn't manifest without
# it.
with mock.patch('sys.stdin', new_stdin), \
mock.patch('sys.stdout', new_stdout), \
mock.patch('sys.stderr', new_stderr), \
mock.patch.object(logging, 'raiseExceptions', True):
# Note: since stdio is hooked up to /dev/null in here, using
# pdb is basically impossible. Sorry about that.
utils.capture_stdio(logger)
logger.info("I like ham")
self.assertTrue(crashy_calls[0], 1)
def test_parse_options(self):
# Get a file that is definitely on disk
with NamedTemporaryFile() as f:
conf_file = f.name
conf, options = utils.parse_options(test_args=[conf_file])
self.assertEqual(conf, conf_file)
# assert defaults
self.assertEqual(options['verbose'], False)
self.assertNotIn('once', options)
# assert verbose as option
conf, options = utils.parse_options(test_args=[conf_file, '-v'])
self.assertEqual(options['verbose'], True)
# check once option
conf, options = utils.parse_options(test_args=[conf_file],
once=True)
self.assertEqual(options['once'], False)
test_args = [conf_file, '--once']
conf, options = utils.parse_options(test_args=test_args, once=True)
self.assertEqual(options['once'], True)
# check options as arg parsing
test_args = [conf_file, 'once', 'plugin_name', 'verbose']
conf, options = utils.parse_options(test_args=test_args, once=True)
self.assertEqual(options['verbose'], True)
self.assertEqual(options['once'], True)
self.assertEqual(options['extra_args'], ['plugin_name'])
def test_parse_options_errors(self):
orig_stdout = sys.stdout
orig_stderr = sys.stderr
stdo = StringIO()
stde = StringIO()
utils.sys.stdout = stdo
utils.sys.stderr = stde
self.assertRaises(SystemExit, utils.parse_options, once=True,
test_args=[])
self.assertTrue('missing config' in stdo.getvalue())
# verify conf file must exist, context manager will delete temp file
with NamedTemporaryFile() as f:
conf_file = f.name
self.assertRaises(SystemExit, utils.parse_options, once=True,
test_args=[conf_file])
self.assertTrue('unable to locate' in stdo.getvalue())
# reset stdio
utils.sys.stdout = orig_stdout
utils.sys.stderr = orig_stderr
def test_dump_recon_cache(self):
testdir_base = mkdtemp()
testcache_file = os.path.join(testdir_base, 'cache.recon')
logger = utils.get_logger(None, 'server', log_route='server')
try:
submit_dict = {'key0': 99,
'key1': {'value1': 1, 'value2': 2}}
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(submit_dict, file_dict)
# Use a nested entry
submit_dict = {'key0': 101,
'key1': {'key2': {'value1': 1, 'value2': 2}}}
expect_dict = {'key0': 101,
'key1': {'key2': {'value1': 1, 'value2': 2},
'value1': 1, 'value2': 2}}
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(expect_dict, file_dict)
# nested dict items are not sticky
submit_dict = {'key1': {'key2': {'value3': 3}}}
expect_dict = {'key0': 101,
'key1': {'key2': {'value3': 3},
'value1': 1, 'value2': 2}}
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(expect_dict, file_dict)
# cached entries are sticky
submit_dict = {}
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(expect_dict, file_dict)
# nested dicts can be erased...
submit_dict = {'key1': {'key2': {}}}
expect_dict = {'key0': 101,
'key1': {'value1': 1, 'value2': 2}}
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(expect_dict, file_dict)
# ... and erasure is idempotent
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(expect_dict, file_dict)
# top level dicts can be erased...
submit_dict = {'key1': {}}
expect_dict = {'key0': 101}
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(expect_dict, file_dict)
# ... and erasure is idempotent
utils.dump_recon_cache(submit_dict, testcache_file, logger)
with open(testcache_file) as fd:
file_dict = json.loads(fd.readline())
self.assertEqual(expect_dict, file_dict)
finally:
rmtree(testdir_base)
def test_dump_recon_cache_set_owner(self):
testdir_base = mkdtemp()
testcache_file = os.path.join(testdir_base, 'cache.recon')
logger = utils.get_logger(None, 'server', log_route='server')
try:
submit_dict = {'key1': {'value1': 1, 'value2': 2}}
_ret = lambda: None
_ret.pw_uid = 100
_mock_getpwnam = MagicMock(return_value=_ret)
_mock_chown = mock.Mock()
with patch('os.chown', _mock_chown), \
patch('pwd.getpwnam', _mock_getpwnam):
utils.dump_recon_cache(submit_dict, testcache_file,
logger, set_owner="swift")
_mock_getpwnam.assert_called_once_with("swift")
self.assertEqual(_mock_chown.call_args[0][1], 100)
finally:
rmtree(testdir_base)
def test_dump_recon_cache_permission_denied(self):
testdir_base = mkdtemp()
testcache_file = os.path.join(testdir_base, 'cache.recon')
class MockLogger(object):
def __init__(self):
self._excs = []
def exception(self, message):
_junk, exc, _junk = sys.exc_info()
self._excs.append(exc)
logger = MockLogger()
try:
submit_dict = {'key1': {'value1': 1, 'value2': 2}}
with mock.patch(
'swift.common.utils.NamedTemporaryFile',
side_effect=IOError(13, 'Permission Denied')):
utils.dump_recon_cache(submit_dict, testcache_file, logger)
self.assertIsInstance(logger._excs[0], IOError)
finally:
rmtree(testdir_base)
def test_load_recon_cache(self):
stub_data = {'test': 'foo'}
with NamedTemporaryFile() as f:
f.write(json.dumps(stub_data).encode("utf-8"))
f.flush()
self.assertEqual(stub_data, utils.load_recon_cache(f.name))
# missing files are treated as empty
self.assertFalse(os.path.exists(f.name)) # sanity
self.assertEqual({}, utils.load_recon_cache(f.name))
# Corrupt files are treated as empty. We could crash and make an
# operator fix the corrupt file, but they'll "fix" it with "rm -f
# /var/cache/swift/*.recon", so let's just do it for them.
with NamedTemporaryFile() as f:
f.write(b"{not [valid (json")
f.flush()
self.assertEqual({}, utils.load_recon_cache(f.name))
def test_get_logger(self):
sio = StringIO()
logger = logging.getLogger('server')
logger.addHandler(logging.StreamHandler(sio))
logger = utils.get_logger(None, 'server', log_route='server')
logger.warning('test1')
self.assertEqual(sio.getvalue(), 'test1\n')
logger.debug('test2')
self.assertEqual(sio.getvalue(), 'test1\n')
logger = utils.get_logger({'log_level': 'DEBUG'}, 'server',
log_route='server')
logger.debug('test3')
self.assertEqual(sio.getvalue(), 'test1\ntest3\n')
# Doesn't really test that the log facility is truly being used all the
# way to syslog; but exercises the code.
logger = utils.get_logger({'log_facility': 'LOG_LOCAL3'}, 'server',
log_route='server')
logger.warning('test4')
self.assertEqual(sio.getvalue(),
'test1\ntest3\ntest4\n')
# make sure debug doesn't log by default
logger.debug('test5')
self.assertEqual(sio.getvalue(),
'test1\ntest3\ntest4\n')
# make sure notice lvl logs by default
logger.notice('test6')
self.assertEqual(sio.getvalue(),
'test1\ntest3\ntest4\ntest6\n')
def test_get_logger_sysloghandler_plumbing(self):
orig_sysloghandler = utils.ThreadSafeSysLogHandler
syslog_handler_args = []
def syslog_handler_catcher(*args, **kwargs):
syslog_handler_args.append((args, kwargs))
return orig_sysloghandler(*args, **kwargs)
syslog_handler_catcher.LOG_LOCAL0 = orig_sysloghandler.LOG_LOCAL0
syslog_handler_catcher.LOG_LOCAL3 = orig_sysloghandler.LOG_LOCAL3
# Some versions of python perform host resolution while initializing
# the handler. See https://bugs.python.org/issue30378
orig_getaddrinfo = socket.getaddrinfo
def fake_getaddrinfo(host, *args):
return orig_getaddrinfo('localhost', *args)
with mock.patch.object(utils, 'ThreadSafeSysLogHandler',
syslog_handler_catcher), \
mock.patch.object(socket, 'getaddrinfo', fake_getaddrinfo):
utils.get_logger({
'log_facility': 'LOG_LOCAL3',
}, 'server', log_route='server')
expected_args = [((), {'address': '/dev/log',
'facility': orig_sysloghandler.LOG_LOCAL3})]
if not os.path.exists('/dev/log') or \
os.path.isfile('/dev/log') or \
os.path.isdir('/dev/log'):
# Since socket on OSX is in /var/run/syslog, there will be
# a fallback to UDP.
expected_args.append(
((), {'facility': orig_sysloghandler.LOG_LOCAL3}))
self.assertEqual(expected_args, syslog_handler_args)
syslog_handler_args = []
utils.get_logger({
'log_facility': 'LOG_LOCAL3',
'log_address': '/foo/bar',
}, 'server', log_route='server')
self.assertEqual(
((), {'address': '/foo/bar',
'facility': orig_sysloghandler.LOG_LOCAL3}),
syslog_handler_args[0])
# Using UDP with default port
syslog_handler_args = []
utils.get_logger({
'log_udp_host': 'syslog.funtimes.com',
}, 'server', log_route='server')
self.assertEqual([
((), {'address': ('syslog.funtimes.com',
logging.handlers.SYSLOG_UDP_PORT),
'facility': orig_sysloghandler.LOG_LOCAL0})],
syslog_handler_args)
# Using UDP with non-default port
syslog_handler_args = []
utils.get_logger({
'log_udp_host': 'syslog.funtimes.com',
'log_udp_port': '2123',
}, 'server', log_route='server')
self.assertEqual([
((), {'address': ('syslog.funtimes.com', 2123),
'facility': orig_sysloghandler.LOG_LOCAL0})],
syslog_handler_args)
@reset_logger_state
def test_clean_logger_exception(self):
# setup stream logging
sio = StringIO()
logger = utils.get_logger(None)
handler = logging.StreamHandler(sio)
logger.logger.addHandler(handler)
def strip_value(sio):
sio.seek(0)
v = sio.getvalue()
sio.truncate(0)
return v
def log_exception(exc):
try:
raise exc
except (Exception, Timeout):
logger.exception('blah')
try:
# establish base case
self.assertEqual(strip_value(sio), '')
logger.info('test')
self.assertEqual(strip_value(sio), 'test\n')
self.assertEqual(strip_value(sio), '')
logger.info('test')
logger.info('test')
self.assertEqual(strip_value(sio), 'test\ntest\n')
self.assertEqual(strip_value(sio), '')
# test OSError
for en in (errno.EIO, errno.ENOSPC):
log_exception(OSError(en, 'my %s error message' % en))
log_msg = strip_value(sio)
self.assertNotIn('Traceback', log_msg)
self.assertIn('my %s error message' % en, log_msg)
# unfiltered
log_exception(OSError())
self.assertTrue('Traceback' in strip_value(sio))
# test socket.error
log_exception(socket.error(errno.ECONNREFUSED,
'my error message'))
log_msg = strip_value(sio)
self.assertNotIn('Traceback', log_msg)
self.assertNotIn('errno.ECONNREFUSED message test', log_msg)
self.assertIn('Connection refused', log_msg)
log_exception(socket.error(errno.EHOSTUNREACH,
'my error message'))
log_msg = strip_value(sio)
self.assertNotIn('Traceback', log_msg)
self.assertNotIn('my error message', log_msg)
self.assertIn('Host unreachable', log_msg)
log_exception(socket.error(errno.ETIMEDOUT, 'my error message'))
log_msg = strip_value(sio)
self.assertNotIn('Traceback', log_msg)
self.assertNotIn('my error message', log_msg)
self.assertIn('Connection timeout', log_msg)
# unfiltered
log_exception(socket.error(0, 'my error message'))
log_msg = strip_value(sio)
self.assertIn('Traceback', log_msg)
self.assertIn('my error message', log_msg)
# test eventlet.Timeout
connection_timeout = ConnectionTimeout(42, 'my error message')
log_exception(connection_timeout)
log_msg = strip_value(sio)
self.assertNotIn('Traceback', log_msg)
self.assertTrue('ConnectionTimeout' in log_msg)
self.assertTrue('(42s)' in log_msg)
self.assertNotIn('my error message', log_msg)
connection_timeout.cancel()
message_timeout = MessageTimeout(42, 'my error message')
log_exception(message_timeout)
log_msg = strip_value(sio)
self.assertNotIn('Traceback', log_msg)
self.assertTrue('MessageTimeout' in log_msg)
self.assertTrue('(42s)' in log_msg)
self.assertTrue('my error message' in log_msg)
message_timeout.cancel()
# test BadStatusLine
log_exception(http_client.BadStatusLine(''))
log_msg = strip_value(sio)
self.assertNotIn('Traceback', log_msg)
self.assertIn('BadStatusLine', log_msg)
self.assertIn("''", log_msg)
# test unhandled
log_exception(Exception('my error message'))
log_msg = strip_value(sio)
self.assertTrue('Traceback' in log_msg)
self.assertTrue('my error message' in log_msg)
finally:
logger.logger.removeHandler(handler)
@reset_logger_state
def test_swift_log_formatter_max_line_length(self):
# setup stream logging
sio = StringIO()
logger = utils.get_logger(None)
handler = logging.StreamHandler(sio)
formatter = utils.SwiftLogFormatter(max_line_length=10)
handler.setFormatter(formatter)
logger.logger.addHandler(handler)
def strip_value(sio):
sio.seek(0)
v = sio.getvalue()
sio.truncate(0)
return v
try:
logger.info('12345')
self.assertEqual(strip_value(sio), '12345\n')
logger.info('1234567890')
self.assertEqual(strip_value(sio), '1234567890\n')
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '12 ... de\n')
formatter.max_line_length = 11
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '123 ... cde\n')
formatter.max_line_length = 0
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '1234567890abcde\n')
formatter.max_line_length = 1
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '1\n')
formatter.max_line_length = 2
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '12\n')
formatter.max_line_length = 3
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '123\n')
formatter.max_line_length = 4
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '1234\n')
formatter.max_line_length = 5
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '12345\n')
formatter.max_line_length = 6
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '123456\n')
formatter.max_line_length = 7
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '1 ... e\n')
formatter.max_line_length = -10
logger.info('1234567890abcde')
self.assertEqual(strip_value(sio), '1234567890abcde\n')
finally:
logger.logger.removeHandler(handler)
@reset_logger_state
def test_swift_log_formatter(self):
# setup stream logging
sio = StringIO()
logger = utils.get_logger(None)
handler = logging.StreamHandler(sio)
handler.setFormatter(utils.SwiftLogFormatter())
logger.logger.addHandler(handler)
def strip_value(sio):
sio.seek(0)
v = sio.getvalue()
sio.truncate(0)
return v
try:
self.assertFalse(logger.txn_id)
logger.error('my error message')
log_msg = strip_value(sio)
self.assertIn('my error message', log_msg)
self.assertNotIn('txn', log_msg)
logger.txn_id = '12345'
logger.error('test')
log_msg = strip_value(sio)
self.assertIn('txn', log_msg)
self.assertIn('12345', log_msg)
# test txn in info message
self.assertEqual(logger.txn_id, '12345')
logger.info('test')
log_msg = strip_value(sio)
self.assertIn('txn', log_msg)
self.assertIn('12345', log_msg)
# test txn already in message
self.assertEqual(logger.txn_id, '12345')
logger.warning('test 12345 test')
self.assertEqual(strip_value(sio), 'test 12345 test\n')
# Test multi line collapsing
logger.error('my\nerror\nmessage')
log_msg = strip_value(sio)
self.assertIn('my#012error#012message', log_msg)
# test client_ip
self.assertFalse(logger.client_ip)
logger.error('my error message')
log_msg = strip_value(sio)
self.assertIn('my error message', log_msg)
self.assertNotIn('client_ip', log_msg)
logger.client_ip = '1.2.3.4'
logger.error('test')
log_msg = strip_value(sio)
self.assertIn('client_ip', log_msg)
self.assertIn('1.2.3.4', log_msg)
# test no client_ip on info message
self.assertEqual(logger.client_ip, '1.2.3.4')
logger.info('test')
log_msg = strip_value(sio)
self.assertNotIn('client_ip', log_msg)
self.assertNotIn('1.2.3.4', log_msg)
# test client_ip (and txn) already in message
self.assertEqual(logger.client_ip, '1.2.3.4')
logger.warning('test 1.2.3.4 test 12345')
self.assertEqual(strip_value(sio), 'test 1.2.3.4 test 12345\n')
finally:
logger.logger.removeHandler(handler)
def test_storage_directory(self):
self.assertEqual(utils.storage_directory('objects', '1', 'ABCDEF'),
'objects/1/DEF/ABCDEF')
def test_is_valid_ip(self):
self.assertTrue(is_valid_ip("127.0.0.1"))
self.assertTrue(is_valid_ip("10.0.0.1"))
ipv6 = "fe80:0000:0000:0000:0204:61ff:fe9d:f156"
self.assertTrue(is_valid_ip(ipv6))
ipv6 = "fe80:0:0:0:204:61ff:fe9d:f156"
self.assertTrue(is_valid_ip(ipv6))
ipv6 = "fe80::204:61ff:fe9d:f156"
self.assertTrue(is_valid_ip(ipv6))
ipv6 = "fe80:0000:0000:0000:0204:61ff:254.157.241.86"
self.assertTrue(is_valid_ip(ipv6))
ipv6 = "fe80:0:0:0:0204:61ff:254.157.241.86"
self.assertTrue(is_valid_ip(ipv6))
ipv6 = "fe80::204:61ff:254.157.241.86"
self.assertTrue(is_valid_ip(ipv6))
ipv6 = "fe80::"
self.assertTrue(is_valid_ip(ipv6))
ipv6 = "::1"
self.assertTrue(is_valid_ip(ipv6))
not_ipv6 = "3ffe:0b00:0000:0001:0000:0000:000a"
self.assertFalse(is_valid_ip(not_ipv6))
not_ipv6 = "1:2:3:4:5:6::7:8"
self.assertFalse(is_valid_ip(not_ipv6))
def test_is_valid_ipv4(self):
self.assertTrue(is_valid_ipv4("127.0.0.1"))
self.assertTrue(is_valid_ipv4("10.0.0.1"))
ipv6 = "fe80:0000:0000:0000:0204:61ff:fe9d:f156"
self.assertFalse(is_valid_ipv4(ipv6))
ipv6 = "fe80:0:0:0:204:61ff:fe9d:f156"
self.assertFalse(is_valid_ipv4(ipv6))
ipv6 = "fe80::204:61ff:fe9d:f156"
self.assertFalse(is_valid_ipv4(ipv6))
ipv6 = "fe80:0000:0000:0000:0204:61ff:254.157.241.86"
self.assertFalse(is_valid_ipv4(ipv6))
ipv6 = "fe80:0:0:0:0204:61ff:254.157.241.86"
self.assertFalse(is_valid_ipv4(ipv6))
ipv6 = "fe80::204:61ff:254.157.241.86"
self.assertFalse(is_valid_ipv4(ipv6))
ipv6 = "fe80::"
self.assertFalse(is_valid_ipv4(ipv6))
ipv6 = "::1"
self.assertFalse(is_valid_ipv4(ipv6))
not_ipv6 = "3ffe:0b00:0000:0001:0000:0000:000a"
self.assertFalse(is_valid_ipv4(not_ipv6))
not_ipv6 = "1:2:3:4:5:6::7:8"
self.assertFalse(is_valid_ipv4(not_ipv6))
def test_is_valid_ipv6(self):
self.assertFalse(is_valid_ipv6("127.0.0.1"))
self.assertFalse(is_valid_ipv6("10.0.0.1"))
ipv6 = "fe80:0000:0000:0000:0204:61ff:fe9d:f156"
self.assertTrue(is_valid_ipv6(ipv6))
ipv6 = "fe80:0:0:0:204:61ff:fe9d:f156"
self.assertTrue(is_valid_ipv6(ipv6))
ipv6 = "fe80::204:61ff:fe9d:f156"
self.assertTrue(is_valid_ipv6(ipv6))
ipv6 = "fe80:0000:0000:0000:0204:61ff:254.157.241.86"
self.assertTrue(is_valid_ipv6(ipv6))
ipv6 = "fe80:0:0:0:0204:61ff:254.157.241.86"
self.assertTrue(is_valid_ipv6(ipv6))
ipv6 = "fe80::204:61ff:254.157.241.86"
self.assertTrue(is_valid_ipv6(ipv6))
ipv6 = "fe80::"
self.assertTrue(is_valid_ipv6(ipv6))
ipv6 = "::1"
self.assertTrue(is_valid_ipv6(ipv6))
not_ipv6 = "3ffe:0b00:0000:0001:0000:0000:000a"
self.assertFalse(is_valid_ipv6(not_ipv6))
not_ipv6 = "1:2:3:4:5:6::7:8"
self.assertFalse(is_valid_ipv6(not_ipv6))
def test_expand_ipv6(self):
expanded_ipv6 = "fe80::204:61ff:fe9d:f156"
upper_ipv6 = "fe80:0000:0000:0000:0204:61ff:fe9d:f156"
self.assertEqual(expanded_ipv6, utils.expand_ipv6(upper_ipv6))
omit_ipv6 = "fe80:0000:0000::0204:61ff:fe9d:f156"
self.assertEqual(expanded_ipv6, utils.expand_ipv6(omit_ipv6))
less_num_ipv6 = "fe80:0:00:000:0204:61ff:fe9d:f156"
self.assertEqual(expanded_ipv6, utils.expand_ipv6(less_num_ipv6))
def test_whataremyips(self):
myips = utils.whataremyips()
self.assertTrue(len(myips) > 1)
self.assertTrue('127.0.0.1' in myips)
def test_whataremyips_bind_to_all(self):
for any_addr in ('0.0.0.0', '0000:0000:0000:0000:0000:0000:0000:0000',
'::0', '::0000', '::',
# Wacky parse-error input produces all IPs
'I am a bear'):
myips = utils.whataremyips(any_addr)
self.assertTrue(len(myips) > 1)
self.assertTrue('127.0.0.1' in myips)
def test_whataremyips_bind_ip_specific(self):
self.assertEqual(['1.2.3.4'], utils.whataremyips('1.2.3.4'))
def test_whataremyips_error(self):
def my_interfaces():
return ['eth0']
def my_ifaddress_error(interface):
raise ValueError
with patch('netifaces.interfaces', my_interfaces), \
patch('netifaces.ifaddresses', my_ifaddress_error):
self.assertEqual(utils.whataremyips(), [])
def test_whataremyips_ipv6(self):
test_ipv6_address = '2001:6b0:dead:beef:2::32'
test_interface = 'eth0'
def my_ipv6_interfaces():
return ['eth0']
def my_ipv6_ifaddresses(interface):
return {AF_INET6:
[{'netmask': 'ffff:ffff:ffff:ffff::',
'addr': '%s%%%s' % (test_ipv6_address, test_interface)}]}
with patch('netifaces.interfaces', my_ipv6_interfaces), \
patch('netifaces.ifaddresses', my_ipv6_ifaddresses):
myips = utils.whataremyips()
self.assertEqual(len(myips), 1)
self.assertEqual(myips[0], test_ipv6_address)
def test_hash_path(self):
# Yes, these tests are deliberately very fragile. We want to make sure
# that if someones changes the results hash_path produces, they know it
with mock.patch('swift.common.utils.HASH_PATH_PREFIX', b''):
self.assertEqual(utils.hash_path('a'),
'1c84525acb02107ea475dcd3d09c2c58')
self.assertEqual(utils.hash_path('a', 'c'),
'33379ecb053aa5c9e356c68997cbb59e')
self.assertEqual(utils.hash_path('a', 'c', 'o'),
'06fbf0b514e5199dfc4e00f42eb5ea83')
self.assertEqual(utils.hash_path('a', 'c', 'o', raw_digest=False),
'06fbf0b514e5199dfc4e00f42eb5ea83')
self.assertEqual(utils.hash_path('a', 'c', 'o', raw_digest=True),
b'\x06\xfb\xf0\xb5\x14\xe5\x19\x9d\xfcN'
b'\x00\xf4.\xb5\xea\x83')
self.assertRaises(ValueError, utils.hash_path, 'a', object='o')
utils.HASH_PATH_PREFIX = b'abcdef'
self.assertEqual(utils.hash_path('a', 'c', 'o', raw_digest=False),
'363f9b535bfb7d17a43a46a358afca0e')
def test_validate_hash_conf(self):
# no section causes InvalidHashPathConfigError
self._test_validate_hash_conf([], [], True)
# 'swift-hash' section is there but no options causes
# InvalidHashPathConfigError
self._test_validate_hash_conf(['swift-hash'], [], True)
# if we have the section and either of prefix or suffix,
# InvalidHashPathConfigError doesn't occur
self._test_validate_hash_conf(
['swift-hash'], ['swift_hash_path_prefix'], False)
self._test_validate_hash_conf(
['swift-hash'], ['swift_hash_path_suffix'], False)
# definitely, we have the section and both of them,
# InvalidHashPathConfigError doesn't occur
self._test_validate_hash_conf(
['swift-hash'],
['swift_hash_path_suffix', 'swift_hash_path_prefix'], False)
# But invalid section name should make an error even if valid
# options are there
self._test_validate_hash_conf(
['swift-hash-xxx'],
['swift_hash_path_suffix', 'swift_hash_path_prefix'], True)
def _test_validate_hash_conf(self, sections, options, should_raise_error):
class FakeConfigParser(object):
def read(self, conf_path, encoding=None):
return [conf_path]
def get(self, section, option):
if section not in sections:
raise NoSectionError('section error')
elif option not in options:
raise NoOptionError('option error', 'this option')
else:
return 'some_option_value'
with mock.patch('swift.common.utils.HASH_PATH_PREFIX', b''), \
mock.patch('swift.common.utils.HASH_PATH_SUFFIX', b''), \
mock.patch('swift.common.utils.ConfigParser',
FakeConfigParser):
try:
utils.validate_hash_conf()
except utils.InvalidHashPathConfigError:
if not should_raise_error:
self.fail('validate_hash_conf should not raise an error')
else:
if should_raise_error:
self.fail('validate_hash_conf should raise an error')
def test_load_libc_function(self):
self.assertTrue(callable(
utils.load_libc_function('printf')))
self.assertTrue(callable(
utils.load_libc_function('some_not_real_function')))
self.assertRaises(AttributeError,
utils.load_libc_function, 'some_not_real_function',
fail_if_missing=True)
def test_readconf(self):
conf = '''[section1]
foo = bar
[section2]
log_name = yarr'''
# setup a real file
fd, temppath = tempfile.mkstemp()
with os.fdopen(fd, 'w') as f:
f.write(conf)
make_filename = lambda: temppath
# setup a file stream
make_fp = lambda: StringIO(conf)
for conf_object_maker in (make_filename, make_fp):
conffile = conf_object_maker()
result = utils.readconf(conffile)
expected = {'__file__': conffile,
'log_name': None,
'section1': {'foo': 'bar'},
'section2': {'log_name': 'yarr'}}
self.assertEqual(result, expected)
conffile = conf_object_maker()
result = utils.readconf(conffile, 'section1')
expected = {'__file__': conffile, 'log_name': 'section1',
'foo': 'bar'}
self.assertEqual(result, expected)
conffile = conf_object_maker()
result = utils.readconf(conffile,
'section2').get('log_name')
expected = 'yarr'
self.assertEqual(result, expected)
conffile = conf_object_maker()
result = utils.readconf(conffile, 'section1',
log_name='foo').get('log_name')
expected = 'foo'
self.assertEqual(result, expected)
conffile = conf_object_maker()
result = utils.readconf(conffile, 'section1',
defaults={'bar': 'baz'})
expected = {'__file__': conffile, 'log_name': 'section1',
'foo': 'bar', 'bar': 'baz'}
self.assertEqual(result, expected)
self.assertRaisesRegexp(
ValueError, 'Unable to find section3 config section in.*',
utils.readconf, temppath, 'section3')
os.unlink(temppath)
self.assertRaises(IOError, utils.readconf, temppath)
def test_readconf_raw(self):
conf = '''[section1]
foo = bar
[section2]
log_name = %(yarr)s'''
# setup a real file
fd, temppath = tempfile.mkstemp()
with os.fdopen(fd, 'w') as f:
f.write(conf)
make_filename = lambda: temppath
# setup a file stream
make_fp = lambda: StringIO(conf)
for conf_object_maker in (make_filename, make_fp):
conffile = conf_object_maker()
result = utils.readconf(conffile, raw=True)
expected = {'__file__': conffile,
'log_name': None,
'section1': {'foo': 'bar'},
'section2': {'log_name': '%(yarr)s'}}
self.assertEqual(result, expected)
os.unlink(temppath)
self.assertRaises(IOError, utils.readconf, temppath)
def test_readconf_dir(self):
config_dir = {
'server.conf.d/01.conf': """
[DEFAULT]
port = 8080
foo = bar
[section1]
name=section1
""",
'server.conf.d/section2.conf': """
[DEFAULT]
port = 8081
bar = baz
[section2]
name=section2
""",
'other-server.conf.d/01.conf': """
[DEFAULT]
port = 8082
[section3]
name=section3
"""
}
# strip indent from test config contents
config_dir = dict((f, dedent(c)) for (f, c) in config_dir.items())
with temptree(*zip(*config_dir.items())) as path:
conf_dir = os.path.join(path, 'server.conf.d')
conf = utils.readconf(conf_dir)
expected = {
'__file__': os.path.join(path, 'server.conf.d'),
'log_name': None,
'section1': {
'port': '8081',
'foo': 'bar',
'bar': 'baz',
'name': 'section1',
},
'section2': {
'port': '8081',
'foo': 'bar',
'bar': 'baz',
'name': 'section2',
},
}
self.assertEqual(conf, expected)
def test_readconf_dir_ignores_hidden_and_nondotconf_files(self):
config_dir = {
'server.conf.d/01.conf': """
[section1]
port = 8080
""",
'server.conf.d/.01.conf.swp': """
[section]
port = 8081
""",
'server.conf.d/01.conf-bak': """
[section]
port = 8082
""",
}
# strip indent from test config contents
config_dir = dict((f, dedent(c)) for (f, c) in config_dir.items())
with temptree(*zip(*config_dir.items())) as path:
conf_dir = os.path.join(path, 'server.conf.d')
conf = utils.readconf(conf_dir)
expected = {
'__file__': os.path.join(path, 'server.conf.d'),
'log_name': None,
'section1': {
'port': '8080',
},
}
self.assertEqual(conf, expected)
def _check_drop_privileges(self, mock_os, required_func_calls,
call_setsid=True):
user = getuser()
user_data = pwd.getpwnam(user)
self.assertFalse(mock_os.called_funcs) # sanity check
# over-ride os with mock
with mock.patch('swift.common.utils.os', mock_os):
# exercise the code
utils.drop_privileges(user, call_setsid=call_setsid)
for func in required_func_calls:
self.assertIn(func, mock_os.called_funcs)
self.assertEqual(user_data[5], mock_os.environ['HOME'])
groups = {g.gr_gid for g in grp.getgrall() if user in g.gr_mem}
self.assertEqual(groups, set(mock_os.called_funcs['setgroups'][0]))
self.assertEqual(user_data[3], mock_os.called_funcs['setgid'][0])
self.assertEqual(user_data[2], mock_os.called_funcs['setuid'][0])
self.assertEqual('/', mock_os.called_funcs['chdir'][0])
self.assertEqual(0o22, mock_os.called_funcs['umask'][0])
def test_drop_privileges(self):
required_func_calls = ('setgroups', 'setgid', 'setuid', 'setsid',
'chdir', 'umask')
mock_os = MockOs(called_funcs=required_func_calls)
self._check_drop_privileges(mock_os, required_func_calls)
def test_drop_privileges_setsid_error(self):
# OSError trying to get session leader
required_func_calls = ('setgroups', 'setgid', 'setuid', 'setsid',
'chdir', 'umask')
mock_os = MockOs(called_funcs=required_func_calls,
raise_funcs=('setsid',))
self._check_drop_privileges(mock_os, required_func_calls)
def test_drop_privileges_no_call_setsid(self):
required_func_calls = ('setgroups', 'setgid', 'setuid', 'chdir',
'umask')
# OSError if trying to get session leader, but it shouldn't be called
bad_func_calls = ('setsid',)
mock_os = MockOs(called_funcs=required_func_calls,
raise_funcs=bad_func_calls)
self._check_drop_privileges(mock_os, required_func_calls,
call_setsid=False)
for func in bad_func_calls:
self.assertNotIn(func, mock_os.called_funcs)
@reset_logger_state
def test_capture_stdio(self):
# stubs
logger = utils.get_logger(None, 'dummy')
# mock utils system modules
_orig_sys = utils.sys
_orig_os = utils.os
try:
utils.sys = MockSys()
utils.os = MockOs()
# basic test
utils.capture_stdio(logger)
self.assertTrue(utils.sys.excepthook is not None)
self.assertEqual(utils.os.closed_fds, utils.sys.stdio_fds)
self.assertTrue(
isinstance(utils.sys.stdout, utils.LoggerFileObject))
self.assertTrue(
isinstance(utils.sys.stderr, utils.LoggerFileObject))
# reset; test same args, but exc when trying to close stdio
utils.os = MockOs(raise_funcs=('dup2',))
utils.sys = MockSys()
# test unable to close stdio
utils.capture_stdio(logger)
self.assertTrue(utils.sys.excepthook is not None)
self.assertEqual(utils.os.closed_fds, [])
self.assertTrue(
isinstance(utils.sys.stdout, utils.LoggerFileObject))
self.assertTrue(
isinstance(utils.sys.stderr, utils.LoggerFileObject))
# reset; test some other args
utils.os = MockOs()
utils.sys = MockSys()
logger = utils.get_logger(None, log_to_console=True)
# test console log
utils.capture_stdio(logger, capture_stdout=False,
capture_stderr=False)
self.assertTrue(utils.sys.excepthook is not None)
# when logging to console, stderr remains open
self.assertEqual(utils.os.closed_fds, utils.sys.stdio_fds[:2])
reset_loggers()
# stdio not captured
self.assertFalse(isinstance(utils.sys.stdout,
utils.LoggerFileObject))
self.assertFalse(isinstance(utils.sys.stderr,
utils.LoggerFileObject))
finally:
utils.sys = _orig_sys
utils.os = _orig_os
@reset_logger_state
def test_get_logger_console(self):
logger = utils.get_logger(None)
console_handlers = [h for h in logger.logger.handlers if
isinstance(h, logging.StreamHandler)]
self.assertFalse(console_handlers)
logger = utils.get_logger(None, log_to_console=True)
console_handlers = [h for h in logger.logger.handlers if
isinstance(h, logging.StreamHandler)]
self.assertTrue(console_handlers)
# make sure you can't have two console handlers
self.assertEqual(len(console_handlers), 1)
old_handler = console_handlers[0]
logger = utils.get_logger(None, log_to_console=True)
console_handlers = [h for h in logger.logger.handlers if
isinstance(h, logging.StreamHandler)]
self.assertEqual(len(console_handlers), 1)
new_handler = console_handlers[0]
self.assertNotEqual(new_handler, old_handler)
def verify_under_pseudo_time(
self, func, target_runtime_ms=1, *args, **kwargs):
curr_time = [42.0]
def my_time():
curr_time[0] += 0.001
return curr_time[0]
def my_sleep(duration):
curr_time[0] += 0.001
curr_time[0] += duration
with patch('time.time', my_time), \
patch('time.sleep', my_sleep), \
patch('eventlet.sleep', my_sleep):
start = time.time()
func(*args, **kwargs)
# make sure it's accurate to 10th of a second, converting the time
# difference to milliseconds, 100 milliseconds is 1/10 of a second
diff_from_target_ms = abs(
target_runtime_ms - ((time.time() - start) * 1000))
self.assertTrue(diff_from_target_ms < 100,
"Expected %d < 100" % diff_from_target_ms)
def test_ratelimit_sleep(self):
def testfunc():
running_time = 0
for i in range(100):
running_time = utils.ratelimit_sleep(running_time, -5)
self.verify_under_pseudo_time(testfunc, target_runtime_ms=1)
def testfunc():
running_time = 0
for i in range(100):
running_time = utils.ratelimit_sleep(running_time, 0)
self.verify_under_pseudo_time(testfunc, target_runtime_ms=1)
def testfunc():
running_time = 0
for i in range(50):
running_time = utils.ratelimit_sleep(running_time, 200)
self.verify_under_pseudo_time(testfunc, target_runtime_ms=250)
def test_ratelimit_sleep_with_incr(self):
def testfunc():
running_time = 0
vals = [5, 17, 0, 3, 11, 30,
40, 4, 13, 2, -1] * 2 # adds up to 248
total = 0
for i in vals:
running_time = utils.ratelimit_sleep(running_time,
500, incr_by=i)
total += i
self.assertEqual(248, total)
self.verify_under_pseudo_time(testfunc, target_runtime_ms=500)
def test_ratelimit_sleep_with_sleep(self):
def testfunc():
running_time = 0
sleeps = [0] * 7 + [.2] * 3 + [0] * 30
for i in sleeps:
running_time = utils.ratelimit_sleep(running_time, 40,
rate_buffer=1)
time.sleep(i)
self.verify_under_pseudo_time(testfunc, target_runtime_ms=900)
def test_urlparse(self):
parsed = utils.urlparse('http://127.0.0.1/')
self.assertEqual(parsed.scheme, 'http')
self.assertEqual(parsed.hostname, '127.0.0.1')
self.assertEqual(parsed.path, '/')
parsed = utils.urlparse('http://127.0.0.1:8080/')
self.assertEqual(parsed.port, 8080)
parsed = utils.urlparse('https://127.0.0.1/')
self.assertEqual(parsed.scheme, 'https')
parsed = utils.urlparse('http://[::1]/')
self.assertEqual(parsed.hostname, '::1')
parsed = utils.urlparse('http://[::1]:8080/')
self.assertEqual(parsed.hostname, '::1')
self.assertEqual(parsed.port, 8080)
parsed = utils.urlparse('www.example.com')
self.assertEqual(parsed.hostname, '')
def test_search_tree(self):
# file match & ext miss
with temptree(['asdf.conf', 'blarg.conf', 'asdf.cfg']) as t:
asdf = utils.search_tree(t, 'a*', '.conf')
self.assertEqual(len(asdf), 1)
self.assertEqual(asdf[0],
os.path.join(t, 'asdf.conf'))
# multi-file match & glob miss & sort
with temptree(['application.bin', 'apple.bin', 'apropos.bin']) as t:
app_bins = utils.search_tree(t, 'app*', 'bin')
self.assertEqual(len(app_bins), 2)
self.assertEqual(app_bins[0],
os.path.join(t, 'apple.bin'))
self.assertEqual(app_bins[1],
os.path.join(t, 'application.bin'))
# test file in folder & ext miss & glob miss
files = (
'sub/file1.ini',
'sub/file2.conf',
'sub.bin',
'bus.ini',
'bus/file3.ini',
)
with temptree(files) as t:
sub_ini = utils.search_tree(t, 'sub*', '.ini')
self.assertEqual(len(sub_ini), 1)
self.assertEqual(sub_ini[0],
os.path.join(t, 'sub/file1.ini'))
# test multi-file in folder & sub-folder & ext miss & glob miss
files = (
'folder_file.txt',
'folder/1.txt',
'folder/sub/2.txt',
'folder2/3.txt',
'Folder3/4.txt'
'folder.rc',
)
with temptree(files) as t:
folder_texts = utils.search_tree(t, 'folder*', '.txt')
self.assertEqual(len(folder_texts), 4)
f1 = os.path.join(t, 'folder_file.txt')
f2 = os.path.join(t, 'folder/1.txt')
f3 = os.path.join(t, 'folder/sub/2.txt')
f4 = os.path.join(t, 'folder2/3.txt')
for f in [f1, f2, f3, f4]:
self.assertTrue(f in folder_texts)
def test_search_tree_with_directory_ext_match(self):
files = (
'object-server/object-server.conf-base',
'object-server/1.conf.d/base.conf',
'object-server/1.conf.d/1.conf',
'object-server/2.conf.d/base.conf',
'object-server/2.conf.d/2.conf',
'object-server/3.conf.d/base.conf',
'object-server/3.conf.d/3.conf',
'object-server/4.conf.d/base.conf',
'object-server/4.conf.d/4.conf',
)
with temptree(files) as t:
conf_dirs = utils.search_tree(t, 'object-server', '.conf',
dir_ext='conf.d')
self.assertEqual(len(conf_dirs), 4)
for i in range(4):
conf_dir = os.path.join(t, 'object-server/%d.conf.d' % (i + 1))
self.assertTrue(conf_dir in conf_dirs)
def test_search_tree_conf_dir_with_named_conf_match(self):
files = (
'proxy-server/proxy-server.conf.d/base.conf',
'proxy-server/proxy-server.conf.d/pipeline.conf',
'proxy-server/proxy-noauth.conf.d/base.conf',
'proxy-server/proxy-noauth.conf.d/pipeline.conf',
)
with temptree(files) as t:
conf_dirs = utils.search_tree(t, 'proxy-server', 'noauth.conf',
dir_ext='noauth.conf.d')
self.assertEqual(len(conf_dirs), 1)
conf_dir = conf_dirs[0]
expected = os.path.join(t, 'proxy-server/proxy-noauth.conf.d')
self.assertEqual(conf_dir, expected)
def test_search_tree_conf_dir_pid_with_named_conf_match(self):
files = (
'proxy-server/proxy-server.pid.d',
'proxy-server/proxy-noauth.pid.d',
)
with temptree(files) as t:
pid_files = utils.search_tree(t, 'proxy-server',
exts=['noauth.pid', 'noauth.pid.d'])
self.assertEqual(len(pid_files), 1)
pid_file = pid_files[0]
expected = os.path.join(t, 'proxy-server/proxy-noauth.pid.d')
self.assertEqual(pid_file, expected)
def test_write_file(self):
with temptree([]) as t:
file_name = os.path.join(t, 'test')
utils.write_file(file_name, 'test')
with open(file_name, 'r') as f:
contents = f.read()
self.assertEqual(contents, 'test')
# and also subdirs
file_name = os.path.join(t, 'subdir/test2')
utils.write_file(file_name, 'test2')
with open(file_name, 'r') as f:
contents = f.read()
self.assertEqual(contents, 'test2')
# but can't over-write files
file_name = os.path.join(t, 'subdir/test2/test3')
self.assertRaises(IOError, utils.write_file, file_name,
'test3')
def test_remove_file(self):
with temptree([]) as t:
file_name = os.path.join(t, 'blah.pid')
# assert no raise
self.assertEqual(os.path.exists(file_name), False)
self.assertIsNone(utils.remove_file(file_name))
with open(file_name, 'w') as f:
f.write('1')
self.assertTrue(os.path.exists(file_name))
self.assertIsNone(utils.remove_file(file_name))
self.assertFalse(os.path.exists(file_name))
def test_human_readable(self):
self.assertEqual(utils.human_readable(0), '0')
self.assertEqual(utils.human_readable(1), '1')
self.assertEqual(utils.human_readable(10), '10')
self.assertEqual(utils.human_readable(100), '100')
self.assertEqual(utils.human_readable(999), '999')
self.assertEqual(utils.human_readable(1024), '1Ki')
self.assertEqual(utils.human_readable(1535), '1Ki')
self.assertEqual(utils.human_readable(1536), '2Ki')
self.assertEqual(utils.human_readable(1047552), '1023Ki')
self.assertEqual(utils.human_readable(1048063), '1023Ki')
self.assertEqual(utils.human_readable(1048064), '1Mi')
self.assertEqual(utils.human_readable(1048576), '1Mi')
self.assertEqual(utils.human_readable(1073741824), '1Gi')
self.assertEqual(utils.human_readable(1099511627776), '1Ti')
self.assertEqual(utils.human_readable(1125899906842624), '1Pi')
self.assertEqual(utils.human_readable(1152921504606846976), '1Ei')
self.assertEqual(utils.human_readable(1180591620717411303424), '1Zi')
self.assertEqual(utils.human_readable(1208925819614629174706176),
'1Yi')
self.assertEqual(utils.human_readable(1237940039285380274899124224),
'1024Yi')
def test_validate_sync_to(self):
fname = 'container-sync-realms.conf'
fcontents = '''
[US]
key = 9ff3b71c849749dbaec4ccdd3cbab62b
cluster_dfw1 = http://dfw1.host/v1/
'''
with temptree([fname], [fcontents]) as tempdir:
logger = FakeLogger()
fpath = os.path.join(tempdir, fname)
csr = ContainerSyncRealms(fpath, logger)
for realms_conf in (None, csr):
for goodurl, result in (
('http://1.1.1.1/v1/a/c',
(None, 'http://1.1.1.1/v1/a/c', None, None)),
('http://1.1.1.1:8080/a/c',
(None, 'http://1.1.1.1:8080/a/c', None, None)),
('http://2.2.2.2/a/c',
(None, 'http://2.2.2.2/a/c', None, None)),
('https://1.1.1.1/v1/a/c',
(None, 'https://1.1.1.1/v1/a/c', None, None)),
('//US/DFW1/a/c',
(None, 'http://dfw1.host/v1/a/c', 'US',
'9ff3b71c849749dbaec4ccdd3cbab62b')),
('//us/DFW1/a/c',
(None, 'http://dfw1.host/v1/a/c', 'US',
'9ff3b71c849749dbaec4ccdd3cbab62b')),
('//us/dfw1/a/c',
(None, 'http://dfw1.host/v1/a/c', 'US',
'9ff3b71c849749dbaec4ccdd3cbab62b')),
('//',
(None, None, None, None)),
('',
(None, None, None, None))):
if goodurl.startswith('//') and not realms_conf:
self.assertEqual(
utils.validate_sync_to(
goodurl, ['1.1.1.1', '2.2.2.2'], realms_conf),
(None, None, None, None))
else:
self.assertEqual(
utils.validate_sync_to(
goodurl, ['1.1.1.1', '2.2.2.2'], realms_conf),
result)
for badurl, result in (
('http://1.1.1.1',
('Path required in X-Container-Sync-To', None, None,
None)),
('httpq://1.1.1.1/v1/a/c',
('Invalid scheme \'httpq\' in X-Container-Sync-To, '
'must be "//", "http", or "https".', None, None,
None)),
('http://1.1.1.1/v1/a/c?query',
('Params, queries, and fragments not allowed in '
'X-Container-Sync-To', None, None, None)),
('http://1.1.1.1/v1/a/c#frag',
('Params, queries, and fragments not allowed in '
'X-Container-Sync-To', None, None, None)),
('http://1.1.1.1/v1/a/c?query#frag',
('Params, queries, and fragments not allowed in '
'X-Container-Sync-To', None, None, None)),
('http://1.1.1.1/v1/a/c?query=param',
('Params, queries, and fragments not allowed in '
'X-Container-Sync-To', None, None, None)),
('http://1.1.1.1/v1/a/c?query=param#frag',
('Params, queries, and fragments not allowed in '
'X-Container-Sync-To', None, None, None)),
('http://1.1.1.2/v1/a/c',
("Invalid host '1.1.1.2' in X-Container-Sync-To",
None, None, None)),
('//us/invalid/a/c',
("No cluster endpoint for 'us' 'invalid'", None,
None, None)),
('//invalid/dfw1/a/c',
("No realm key for 'invalid'", None, None, None)),
('//us/invalid1/a/',
("Invalid X-Container-Sync-To format "
"'//us/invalid1/a/'", None, None, None)),
('//us/invalid1/a',
("Invalid X-Container-Sync-To format "
"'//us/invalid1/a'", None, None, None)),
('//us/invalid1/',
("Invalid X-Container-Sync-To format "
"'//us/invalid1/'", None, None, None)),
('//us/invalid1',
("Invalid X-Container-Sync-To format "
"'//us/invalid1'", None, None, None)),
('//us/',
("Invalid X-Container-Sync-To format "
"'//us/'", None, None, None)),
('//us',
("Invalid X-Container-Sync-To format "
"'//us'", None, None, None))):
if badurl.startswith('//') and not realms_conf:
self.assertEqual(
utils.validate_sync_to(
badurl, ['1.1.1.1', '2.2.2.2'], realms_conf),
(None, None, None, None))
else:
self.assertEqual(
utils.validate_sync_to(
badurl, ['1.1.1.1', '2.2.2.2'], realms_conf),
result)
def test_TRUE_VALUES(self):
for v in utils.TRUE_VALUES:
self.assertEqual(v, v.lower())
def test_config_true_value(self):
orig_trues = utils.TRUE_VALUES
try:
utils.TRUE_VALUES = 'hello world'.split()
for val in 'hello world HELLO WORLD'.split():
self.assertTrue(utils.config_true_value(val) is True)
self.assertTrue(utils.config_true_value(True) is True)
self.assertTrue(utils.config_true_value('foo') is False)
self.assertTrue(utils.config_true_value(False) is False)
finally:
utils.TRUE_VALUES = orig_trues
def test_config_positive_int_value(self):
expectations = {
# value : expected,
u'1': 1,
b'1': 1,
1: 1,
u'2': 2,
b'2': 2,
u'1024': 1024,
b'1024': 1024,
u'0': ValueError,
b'0': ValueError,
u'-1': ValueError,
b'-1': ValueError,
u'0x01': ValueError,
b'0x01': ValueError,
u'asdf': ValueError,
b'asdf': ValueError,
None: ValueError,
0: ValueError,
-1: ValueError,
u'1.2': ValueError, # string expresses float should be value error
b'1.2': ValueError, # string expresses float should be value error
}
for value, expected in expectations.items():
try:
rv = utils.config_positive_int_value(value)
except Exception as e:
if e.__class__ is not expected:
raise
else:
self.assertEqual(
'Config option must be an positive int number, '
'not "%s".' % value, e.args[0])
else:
self.assertEqual(expected, rv)
def test_config_float_value(self):
for args, expected in (
((99, None, None), 99.0),
((99.01, None, None), 99.01),
(('99', None, None), 99.0),
(('99.01', None, None), 99.01),
((99, 99, None), 99.0),
((99.01, 99.01, None), 99.01),
(('99', 99, None), 99.0),
(('99.01', 99.01, None), 99.01),
((99, None, 99), 99.0),
((99.01, None, 99.01), 99.01),
(('99', None, 99), 99.0),
(('99.01', None, 99.01), 99.01),
((-99, -99, -99), -99.0),
((-99.01, -99.01, -99.01), -99.01),
(('-99', -99, -99), -99.0),
(('-99.01', -99.01, -99.01), -99.01),):
actual = utils.config_float_value(*args)
self.assertEqual(expected, actual)
for val, minimum in ((99, 100),
('99', 100),
(-99, -98),
('-98.01', -98)):
with self.assertRaises(ValueError) as cm:
utils.config_float_value(val, minimum=minimum)
self.assertIn('greater than %s' % minimum, cm.exception.args[0])
self.assertNotIn('less than', cm.exception.args[0])
for val, maximum in ((99, 98),
('99', 98),
(-99, -100),
('-97.9', -98)):
with self.assertRaises(ValueError) as cm:
utils.config_float_value(val, maximum=maximum)
self.assertIn('less than %s' % maximum, cm.exception.args[0])
self.assertNotIn('greater than', cm.exception.args[0])
for val, minimum, maximum in ((99, 99, 98),
('99', 100, 100),
(99, 98, 98),):
with self.assertRaises(ValueError) as cm:
utils.config_float_value(val, minimum=minimum, maximum=maximum)
self.assertIn('greater than %s' % minimum, cm.exception.args[0])
self.assertIn('less than %s' % maximum, cm.exception.args[0])
def test_config_auto_int_value(self):
expectations = {
# (value, default) : expected,
('1', 0): 1,
(1, 0): 1,
('asdf', 0): ValueError,
('auto', 1): 1,
('AutO', 1): 1,
('Aut0', 1): ValueError,
(None, 1): 1,
}
for (value, default), expected in expectations.items():
try:
rv = utils.config_auto_int_value(value, default)
except Exception as e:
if e.__class__ is not expected:
raise
else:
self.assertEqual(expected, rv)
def test_streq_const_time(self):
self.assertTrue(utils.streq_const_time('abc123', 'abc123'))
self.assertFalse(utils.streq_const_time('a', 'aaaaa'))
self.assertFalse(utils.streq_const_time('ABC123', 'abc123'))
def test_quorum_size(self):
expected_sizes = {1: 1,
2: 1,
3: 2,
4: 2,
5: 3}
got_sizes = dict([(n, utils.quorum_size(n))
for n in expected_sizes])
self.assertEqual(expected_sizes, got_sizes)
def test_majority_size(self):
expected_sizes = {1: 1,
2: 2,
3: 2,
4: 3,
5: 3}
got_sizes = dict([(n, utils.majority_size(n))
for n in expected_sizes])
self.assertEqual(expected_sizes, got_sizes)
def test_rsync_ip_ipv4_localhost(self):
self.assertEqual(utils.rsync_ip('127.0.0.1'), '127.0.0.1')
def test_rsync_ip_ipv6_random_ip(self):
self.assertEqual(
utils.rsync_ip('fe80:0000:0000:0000:0202:b3ff:fe1e:8329'),
'[fe80:0000:0000:0000:0202:b3ff:fe1e:8329]')
def test_rsync_ip_ipv6_ipv4_compatible(self):
self.assertEqual(
utils.rsync_ip('::ffff:192.0.2.128'), '[::ffff:192.0.2.128]')
def test_rsync_module_interpolation(self):
fake_device = {'ip': '127.0.0.1', 'port': 11,
'replication_ip': '127.0.0.2', 'replication_port': 12,
'region': '1', 'zone': '2', 'device': 'sda1',
'meta': 'just_a_string'}
self.assertEqual(
utils.rsync_module_interpolation('{ip}', fake_device),
'127.0.0.1')
self.assertEqual(
utils.rsync_module_interpolation('{port}', fake_device),
'11')
self.assertEqual(
utils.rsync_module_interpolation('{replication_ip}', fake_device),
'127.0.0.2')
self.assertEqual(
utils.rsync_module_interpolation('{replication_port}',
fake_device),
'12')
self.assertEqual(
utils.rsync_module_interpolation('{region}', fake_device),
'1')
self.assertEqual(
utils.rsync_module_interpolation('{zone}', fake_device),
'2')
self.assertEqual(
utils.rsync_module_interpolation('{device}', fake_device),
'sda1')
self.assertEqual(
utils.rsync_module_interpolation('{meta}', fake_device),
'just_a_string')
self.assertEqual(
utils.rsync_module_interpolation('{replication_ip}::object',
fake_device),
'127.0.0.2::object')
self.assertEqual(
utils.rsync_module_interpolation('{ip}::container{port}',
fake_device),
'127.0.0.1::container11')
self.assertEqual(
utils.rsync_module_interpolation(
'{replication_ip}::object_{device}', fake_device),
'127.0.0.2::object_sda1')
self.assertEqual(
utils.rsync_module_interpolation(
'127.0.0.3::object_{replication_port}', fake_device),
'127.0.0.3::object_12')
self.assertRaises(ValueError, utils.rsync_module_interpolation,
'{replication_ip}::object_{deivce}', fake_device)
def test_generate_trans_id(self):
fake_time = 1366428370.5163341
with patch.object(utils.time, 'time', return_value=fake_time):
trans_id = utils.generate_trans_id('')
self.assertEqual(len(trans_id), 34)
self.assertEqual(trans_id[:2], 'tx')
self.assertEqual(trans_id[23], '-')
self.assertEqual(int(trans_id[24:], 16), int(fake_time))
with patch.object(utils.time, 'time', return_value=fake_time):
trans_id = utils.generate_trans_id('-suffix')
self.assertEqual(len(trans_id), 41)
self.assertEqual(trans_id[:2], 'tx')
self.assertEqual(trans_id[34:], '-suffix')
self.assertEqual(trans_id[23], '-')
self.assertEqual(int(trans_id[24:34], 16), int(fake_time))
def test_get_trans_id_time(self):
ts = utils.get_trans_id_time('tx8c8bc884cdaf499bb29429aa9c46946e')
self.assertIsNone(ts)
ts = utils.get_trans_id_time('tx1df4ff4f55ea45f7b2ec2-0051720c06')
self.assertEqual(ts, 1366428678)
self.assertEqual(
time.asctime(time.gmtime(ts)) + ' UTC',
'Sat Apr 20 03:31:18 2013 UTC')
ts = utils.get_trans_id_time(
'tx1df4ff4f55ea45f7b2ec2-0051720c06-suffix')
self.assertEqual(ts, 1366428678)
self.assertEqual(
time.asctime(time.gmtime(ts)) + ' UTC',
'Sat Apr 20 03:31:18 2013 UTC')
ts = utils.get_trans_id_time('')
self.assertIsNone(ts)
ts = utils.get_trans_id_time('garbage')
self.assertIsNone(ts)
ts = utils.get_trans_id_time('tx1df4ff4f55ea45f7b2ec2-almostright')
self.assertIsNone(ts)
def test_config_fallocate_value(self):
fallocate_value, is_percent = utils.config_fallocate_value('10%')
self.assertEqual(fallocate_value, 10)
self.assertTrue(is_percent)
fallocate_value, is_percent = utils.config_fallocate_value('10')
self.assertEqual(fallocate_value, 10)
self.assertFalse(is_percent)
try:
fallocate_value, is_percent = utils.config_fallocate_value('ab%')
except ValueError as err:
exc = err
self.assertEqual(str(exc), 'Error: ab% is an invalid value for '
'fallocate_reserve.')
try:
fallocate_value, is_percent = utils.config_fallocate_value('ab')
except ValueError as err:
exc = err
self.assertEqual(str(exc), 'Error: ab is an invalid value for '
'fallocate_reserve.')
try:
fallocate_value, is_percent = utils.config_fallocate_value('1%%')
except ValueError as err:
exc = err
self.assertEqual(str(exc), 'Error: 1%% is an invalid value for '
'fallocate_reserve.')
try:
fallocate_value, is_percent = utils.config_fallocate_value('10.0')
except ValueError as err:
exc = err
self.assertEqual(str(exc), 'Error: 10.0 is an invalid value for '
'fallocate_reserve.')
fallocate_value, is_percent = utils.config_fallocate_value('10.5%')
self.assertEqual(fallocate_value, 10.5)
self.assertTrue(is_percent)
fallocate_value, is_percent = utils.config_fallocate_value('10.000%')
self.assertEqual(fallocate_value, 10.000)
self.assertTrue(is_percent)
def test_lock_file(self):
flags = os.O_CREAT | os.O_RDWR
with NamedTemporaryFile(delete=False) as nt:
nt.write(b"test string")
nt.flush()
nt.close()
with utils.lock_file(nt.name, unlink=False) as f:
self.assertEqual(f.read(), b"test string")
# we have a lock, now let's try to get a newer one
fd = os.open(nt.name, flags)
self.assertRaises(IOError, fcntl.flock, fd,
fcntl.LOCK_EX | fcntl.LOCK_NB)
with utils.lock_file(nt.name, unlink=False, append=True) as f:
f.seek(0)
self.assertEqual(f.read(), b"test string")
f.seek(0)
f.write(b"\nanother string")
f.flush()
f.seek(0)
self.assertEqual(f.read(), b"test string\nanother string")
# we have a lock, now let's try to get a newer one
fd = os.open(nt.name, flags)
self.assertRaises(IOError, fcntl.flock, fd,
fcntl.LOCK_EX | fcntl.LOCK_NB)
with utils.lock_file(nt.name, timeout=3, unlink=False) as f:
try:
with utils.lock_file(
nt.name, timeout=1, unlink=False) as f:
self.assertTrue(
False, "Expected LockTimeout exception")
except LockTimeout:
pass
with utils.lock_file(nt.name, unlink=True) as f:
self.assertEqual(f.read(), b"test string\nanother string")
# we have a lock, now let's try to get a newer one
fd = os.open(nt.name, flags)
self.assertRaises(
IOError, fcntl.flock, fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
self.assertRaises(OSError, os.remove, nt.name)
def test_lock_file_unlinked_after_open(self):
os_open = os.open
first_pass = [True]
def deleting_open(filename, flags):
# unlink the file after it's opened. once.
fd = os_open(filename, flags)
if first_pass[0]:
os.unlink(filename)
first_pass[0] = False
return fd
with NamedTemporaryFile(delete=False) as nt:
with mock.patch('os.open', deleting_open):
with utils.lock_file(nt.name, unlink=True) as f:
self.assertNotEqual(os.fstat(nt.fileno()).st_ino,
os.fstat(f.fileno()).st_ino)
first_pass = [True]
def recreating_open(filename, flags):
# unlink and recreate the file after it's opened
fd = os_open(filename, flags)
if first_pass[0]:
os.unlink(filename)
os.close(os_open(filename, os.O_CREAT | os.O_RDWR))
first_pass[0] = False
return fd
with NamedTemporaryFile(delete=False) as nt:
with mock.patch('os.open', recreating_open):
with utils.lock_file(nt.name, unlink=True) as f:
self.assertNotEqual(os.fstat(nt.fileno()).st_ino,
os.fstat(f.fileno()).st_ino)
def test_lock_file_held_on_unlink(self):
os_unlink = os.unlink
def flocking_unlink(filename):
# make sure the lock is held when we unlink
fd = os.open(filename, os.O_RDWR)
self.assertRaises(
IOError, fcntl.flock, fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
os.close(fd)
os_unlink(filename)
with NamedTemporaryFile(delete=False) as nt:
with mock.patch('os.unlink', flocking_unlink):
with utils.lock_file(nt.name, unlink=True):
pass
def test_lock_file_no_unlink_if_fail(self):
os_open = os.open
with NamedTemporaryFile(delete=True) as nt:
def lock_on_open(filename, flags):
# lock the file on another fd after it's opened.
fd = os_open(filename, flags)
fd2 = os_open(filename, flags)
fcntl.flock(fd2, fcntl.LOCK_EX | fcntl.LOCK_NB)
return fd
try:
timedout = False
with mock.patch('os.open', lock_on_open):
with utils.lock_file(nt.name, unlink=False, timeout=0.01):
pass
except LockTimeout:
timedout = True
self.assertTrue(timedout)
self.assertTrue(os.path.exists(nt.name))
def test_ismount_path_does_not_exist(self):
tmpdir = mkdtemp()
try:
self.assertFalse(utils.ismount(os.path.join(tmpdir, 'bar')))
finally:
shutil.rmtree(tmpdir)
def test_ismount_path_not_mount(self):
tmpdir = mkdtemp()
try:
self.assertFalse(utils.ismount(tmpdir))
finally:
shutil.rmtree(tmpdir)
def test_ismount_path_error(self):
def _mock_os_lstat(path):
raise OSError(13, "foo")
tmpdir = mkdtemp()
try:
with patch("os.lstat", _mock_os_lstat):
# Raises exception with _raw -- see next test.
utils.ismount(tmpdir)
finally:
shutil.rmtree(tmpdir)
def test_ismount_raw_path_error(self):
def _mock_os_lstat(path):
raise OSError(13, "foo")
tmpdir = mkdtemp()
try:
with patch("os.lstat", _mock_os_lstat):
self.assertRaises(OSError, utils.ismount_raw, tmpdir)
finally:
shutil.rmtree(tmpdir)
def test_ismount_path_is_symlink(self):
tmpdir = mkdtemp()
try:
link = os.path.join(tmpdir, "tmp")
os.symlink(tempfile.gettempdir(), link)
self.assertFalse(utils.ismount(link))
finally:
shutil.rmtree(tmpdir)
def test_ismount_path_is_root(self):
self.assertTrue(utils.ismount('/'))
def test_ismount_parent_path_error(self):
_os_lstat = os.lstat
def _mock_os_lstat(path):
if path.endswith(".."):
raise OSError(13, "foo")
else:
return _os_lstat(path)
tmpdir = mkdtemp()
try:
with patch("os.lstat", _mock_os_lstat):
# Raises exception with _raw -- see next test.
utils.ismount(tmpdir)
finally:
shutil.rmtree(tmpdir)
def test_ismount_raw_parent_path_error(self):
_os_lstat = os.lstat
def _mock_os_lstat(path):
if path.endswith(".."):
raise OSError(13, "foo")
else:
return _os_lstat(path)
tmpdir = mkdtemp()
try:
with patch("os.lstat", _mock_os_lstat):
self.assertRaises(OSError, utils.ismount_raw, tmpdir)
finally:
shutil.rmtree(tmpdir)
def test_ismount_successes_dev(self):
_os_lstat = os.lstat
class MockStat(object):
def __init__(self, mode, dev, ino):
self.st_mode = mode
self.st_dev = dev
self.st_ino = ino
def _mock_os_lstat(path):
if path.endswith(".."):
parent = _os_lstat(path)
return MockStat(parent.st_mode, parent.st_dev + 1,
parent.st_ino)
else:
return _os_lstat(path)
tmpdir = mkdtemp()
try:
with patch("os.lstat", _mock_os_lstat):
self.assertTrue(utils.ismount(tmpdir))
finally:
shutil.rmtree(tmpdir)
def test_ismount_successes_ino(self):
_os_lstat = os.lstat
class MockStat(object):
def __init__(self, mode, dev, ino):
self.st_mode = mode
self.st_dev = dev
self.st_ino = ino
def _mock_os_lstat(path):
if path.endswith(".."):
return _os_lstat(path)
else:
parent_path = os.path.join(path, "..")
child = _os_lstat(path)
parent = _os_lstat(parent_path)
return MockStat(child.st_mode, parent.st_ino,
child.st_dev)
tmpdir = mkdtemp()
try:
with patch("os.lstat", _mock_os_lstat):
self.assertTrue(utils.ismount(tmpdir))
finally:
shutil.rmtree(tmpdir)
def test_ismount_successes_stubfile(self):
tmpdir = mkdtemp()
fname = os.path.join(tmpdir, ".ismount")
try:
with open(fname, "w") as stubfile:
stubfile.write("")
self.assertTrue(utils.ismount(tmpdir))
finally:
shutil.rmtree(tmpdir)
def test_parse_content_type(self):
self.assertEqual(utils.parse_content_type('text/plain'),
('text/plain', []))
self.assertEqual(utils.parse_content_type('text/plain;charset=utf-8'),
('text/plain', [('charset', 'utf-8')]))
self.assertEqual(
utils.parse_content_type('text/plain;hello="world";charset=utf-8'),
('text/plain', [('hello', '"world"'), ('charset', 'utf-8')]))
self.assertEqual(
utils.parse_content_type('text/plain; hello="world"; a=b'),
('text/plain', [('hello', '"world"'), ('a', 'b')]))
self.assertEqual(
utils.parse_content_type(r'text/plain; x="\""; a=b'),
('text/plain', [('x', r'"\""'), ('a', 'b')]))
self.assertEqual(
utils.parse_content_type(r'text/plain; x; a=b'),
('text/plain', [('x', ''), ('a', 'b')]))
self.assertEqual(
utils.parse_content_type(r'text/plain; x="\""; a'),
('text/plain', [('x', r'"\""'), ('a', '')]))
def test_override_bytes_from_content_type(self):
listing_dict = {
'bytes': 1234, 'hash': 'asdf', 'name': 'zxcv',
'content_type': 'text/plain; hello="world"; swift_bytes=15'}
utils.override_bytes_from_content_type(listing_dict,
logger=FakeLogger())
self.assertEqual(listing_dict['bytes'], 15)
self.assertEqual(listing_dict['content_type'],
'text/plain;hello="world"')
listing_dict = {
'bytes': 1234, 'hash': 'asdf', 'name': 'zxcv',
'content_type': 'text/plain; hello="world"; swift_bytes=hey'}
utils.override_bytes_from_content_type(listing_dict,
logger=FakeLogger())
self.assertEqual(listing_dict['bytes'], 1234)
self.assertEqual(listing_dict['content_type'],
'text/plain;hello="world"')
def test_extract_swift_bytes(self):
scenarios = {
# maps input value -> expected returned tuple
'': ('', None),
'text/plain': ('text/plain', None),
'text/plain; other=thing': ('text/plain;other=thing', None),
'text/plain; swift_bytes=123': ('text/plain', '123'),
'text/plain; other=thing;swift_bytes=123':
('text/plain;other=thing', '123'),
'text/plain; swift_bytes=123; other=thing':
('text/plain;other=thing', '123'),
'text/plain; swift_bytes=123; swift_bytes=456':
('text/plain', '456'),
'text/plain; swift_bytes=123; other=thing;swift_bytes=456':
('text/plain;other=thing', '456')}
for test_value, expected in scenarios.items():
self.assertEqual(expected, utils.extract_swift_bytes(test_value))
def test_clean_content_type(self):
subtests = {
'': '', 'text/plain': 'text/plain',
'text/plain; someother=thing': 'text/plain; someother=thing',
'text/plain; swift_bytes=123': 'text/plain',
'text/plain; someother=thing; swift_bytes=123':
'text/plain; someother=thing',
# Since Swift always tacks on the swift_bytes, clean_content_type()
# only strips swift_bytes if it's last. The next item simply shows
# that if for some other odd reason it's not last,
# clean_content_type() will not remove it from the header.
'text/plain; swift_bytes=123; someother=thing':
'text/plain; swift_bytes=123; someother=thing'}
for before, after in subtests.items():
self.assertEqual(utils.clean_content_type(before), after)
def test_get_valid_utf8_str(self):
def do_test(input_value, expected):
actual = utils.get_valid_utf8_str(input_value)
self.assertEqual(expected, actual)
self.assertIsInstance(actual, six.binary_type)
actual.decode('utf-8')
do_test(b'abc', b'abc')
do_test(u'abc', b'abc')
do_test(u'\uc77c\uc601', b'\xec\x9d\xbc\xec\x98\x81')
do_test(b'\xec\x9d\xbc\xec\x98\x81', b'\xec\x9d\xbc\xec\x98\x81')
# test some invalid UTF-8
do_test(b'\xec\x9d\xbc\xec\x98', b'\xec\x9d\xbc\xef\xbf\xbd')
# check surrogate pairs, too
do_test(u'\U0001f0a1', b'\xf0\x9f\x82\xa1'),
do_test(u'\uD83C\uDCA1', b'\xf0\x9f\x82\xa1'),
do_test(b'\xf0\x9f\x82\xa1', b'\xf0\x9f\x82\xa1'),
do_test(b'\xed\xa0\xbc\xed\xb2\xa1', b'\xf0\x9f\x82\xa1'),
def test_quote_bytes(self):
self.assertEqual(b'/v1/a/c3/subdirx/',
utils.quote(b'/v1/a/c3/subdirx/'))
self.assertEqual(b'/v1/a%26b/c3/subdirx/',
utils.quote(b'/v1/a&b/c3/subdirx/'))
self.assertEqual(b'%2Fv1%2Fa&b%2Fc3%2Fsubdirx%2F',
utils.quote(b'/v1/a&b/c3/subdirx/', safe='&'))
self.assertEqual(b'abc_%EC%9D%BC%EC%98%81',
utils.quote(u'abc_\uc77c\uc601'.encode('utf8')))
# Invalid utf8 is parsed as latin1, then re-encoded as utf8??
self.assertEqual(b'%EF%BF%BD%EF%BF%BD%EC%BC%9D%EF%BF%BD',
utils.quote(u'\uc77c\uc601'.encode('utf8')[::-1]))
def test_quote_unicode(self):
self.assertEqual(u'/v1/a/c3/subdirx/',
utils.quote(u'/v1/a/c3/subdirx/'))
self.assertEqual(u'/v1/a%26b/c3/subdirx/',
utils.quote(u'/v1/a&b/c3/subdirx/'))
self.assertEqual(u'%2Fv1%2Fa&b%2Fc3%2Fsubdirx%2F',
utils.quote(u'/v1/a&b/c3/subdirx/', safe='&'))
self.assertEqual(u'abc_%EC%9D%BC%EC%98%81',
utils.quote(u'abc_\uc77c\uc601'))
def test_get_hmac(self):
self.assertEqual(
utils.get_hmac('GET', '/path', 1, 'abc'),
'b17f6ff8da0e251737aa9e3ee69a881e3e092e2f')
def test_get_hmac_ip_range(self):
self.assertEqual(
utils.get_hmac('GET', '/path', 1, 'abc', ip_range='127.0.0.1'),
'b30dde4d2b8562b8496466c3b46b2b9ac5054461')
def test_get_hmac_ip_range_non_binary_type(self):
self.assertEqual(
utils.get_hmac(u'GET', u'/path', 1, u'abc', ip_range=u'127.0.0.1'),
'b30dde4d2b8562b8496466c3b46b2b9ac5054461')
def test_parse_override_options(self):
# When override_<thing> is passed in, it takes precedence.
opts = utils.parse_override_options(
override_policies=[0, 1],
override_devices=['sda', 'sdb'],
override_partitions=[100, 200],
policies='0,1,2,3',
devices='sda,sdb,sdc,sdd',
partitions='100,200,300,400')
self.assertEqual(opts.policies, [0, 1])
self.assertEqual(opts.devices, ['sda', 'sdb'])
self.assertEqual(opts.partitions, [100, 200])
# When override_<thing> is passed in, it applies even in run-once
# mode.
opts = utils.parse_override_options(
once=True,
override_policies=[0, 1],
override_devices=['sda', 'sdb'],
override_partitions=[100, 200],
policies='0,1,2,3',
devices='sda,sdb,sdc,sdd',
partitions='100,200,300,400')
self.assertEqual(opts.policies, [0, 1])
self.assertEqual(opts.devices, ['sda', 'sdb'])
self.assertEqual(opts.partitions, [100, 200])
# In run-once mode, we honor the passed-in overrides.
opts = utils.parse_override_options(
once=True,
policies='0,1,2,3',
devices='sda,sdb,sdc,sdd',
partitions='100,200,300,400')
self.assertEqual(opts.policies, [0, 1, 2, 3])
self.assertEqual(opts.devices, ['sda', 'sdb', 'sdc', 'sdd'])
self.assertEqual(opts.partitions, [100, 200, 300, 400])
# In run-forever mode, we ignore the passed-in overrides.
opts = utils.parse_override_options(
policies='0,1,2,3',
devices='sda,sdb,sdc,sdd',
partitions='100,200,300,400')
self.assertEqual(opts.policies, [])
self.assertEqual(opts.devices, [])
self.assertEqual(opts.partitions, [])
def test_get_policy_index(self):
# Account has no information about a policy
req = Request.blank(
'/sda1/p/a',
environ={'REQUEST_METHOD': 'GET'})
res = Response()
self.assertIsNone(utils.get_policy_index(req.headers,
res.headers))
# The policy of a container can be specified by the response header
req = Request.blank(
'/sda1/p/a/c',
environ={'REQUEST_METHOD': 'GET'})
res = Response(headers={'X-Backend-Storage-Policy-Index': '1'})
self.assertEqual('1', utils.get_policy_index(req.headers,
res.headers))
# The policy of an object to be created can be specified by the request
# header
req = Request.blank(
'/sda1/p/a/c/o',
environ={'REQUEST_METHOD': 'PUT'},
headers={'X-Backend-Storage-Policy-Index': '2'})
res = Response()
self.assertEqual('2', utils.get_policy_index(req.headers,
res.headers))
def test_get_log_line(self):
req = Request.blank(
'/sda1/p/a/c/o',
environ={'REQUEST_METHOD': 'HEAD', 'REMOTE_ADDR': '1.2.3.4'})
res = Response()
trans_time = 1.2
additional_info = 'some information'
server_pid = 1234
exp_line = '1.2.3.4 - - [01/Jan/1970:02:46:41 +0000] "HEAD ' \
'/sda1/p/a/c/o" 200 - "-" "-" "-" 1.2000 "some information" 1234 -'
with mock.patch(
'time.gmtime',
mock.MagicMock(side_effect=[time.gmtime(10001.0)])):
with mock.patch(
'os.getpid', mock.MagicMock(return_value=server_pid)):
self.assertEqual(
exp_line,
utils.get_log_line(req, res, trans_time, additional_info))
def test_cache_from_env(self):
# should never get logging when swift.cache is found
env = {'swift.cache': 42}
logger = FakeLogger()
with mock.patch('swift.common.utils.logging', logger):
self.assertEqual(42, utils.cache_from_env(env))
self.assertEqual(0, len(logger.get_lines_for_level('error')))
logger = FakeLogger()
with mock.patch('swift.common.utils.logging', logger):
self.assertEqual(42, utils.cache_from_env(env, False))
self.assertEqual(0, len(logger.get_lines_for_level('error')))
logger = FakeLogger()
with mock.patch('swift.common.utils.logging', logger):
self.assertEqual(42, utils.cache_from_env(env, True))
self.assertEqual(0, len(logger.get_lines_for_level('error')))
# check allow_none controls logging when swift.cache is not found
err_msg = 'ERROR: swift.cache could not be found in env!'
env = {}
logger = FakeLogger()
with mock.patch('swift.common.utils.logging', logger):
self.assertIsNone(utils.cache_from_env(env))
self.assertTrue(err_msg in logger.get_lines_for_level('error'))
logger = FakeLogger()
with mock.patch('swift.common.utils.logging', logger):
self.assertIsNone(utils.cache_from_env(env, False))
self.assertTrue(err_msg in logger.get_lines_for_level('error'))
logger = FakeLogger()
with mock.patch('swift.common.utils.logging', logger):
self.assertIsNone(utils.cache_from_env(env, True))
self.assertEqual(0, len(logger.get_lines_for_level('error')))
def test_fsync_dir(self):
tempdir = None
fd = None
try:
tempdir = mkdtemp()
fd, temppath = tempfile.mkstemp(dir=tempdir)
_mock_fsync = mock.Mock()
_mock_close = mock.Mock()
with patch('swift.common.utils.fsync', _mock_fsync):
with patch('os.close', _mock_close):
utils.fsync_dir(tempdir)
self.assertTrue(_mock_fsync.called)
self.assertTrue(_mock_close.called)
self.assertTrue(isinstance(_mock_fsync.call_args[0][0], int))
self.assertEqual(_mock_fsync.call_args[0][0],
_mock_close.call_args[0][0])
# Not a directory - arg is file path
self.assertRaises(OSError, utils.fsync_dir, temppath)
logger = FakeLogger()
def _mock_fsync(fd):
raise OSError(errno.EBADF, os.strerror(errno.EBADF))
with patch('swift.common.utils.fsync', _mock_fsync):
with mock.patch('swift.common.utils.logging', logger):
utils.fsync_dir(tempdir)
self.assertEqual(1, len(logger.get_lines_for_level('warning')))
finally:
if fd is not None:
os.close(fd)
os.unlink(temppath)
if tempdir:
os.rmdir(tempdir)
def test_renamer_with_fsync_dir(self):
tempdir = None
try:
tempdir = mkdtemp()
# Simulate part of object path already existing
part_dir = os.path.join(tempdir, 'objects/1234/')
os.makedirs(part_dir)
obj_dir = os.path.join(part_dir, 'aaa', 'a' * 32)
obj_path = os.path.join(obj_dir, '1425276031.12345.data')
# Object dir had to be created
_m_os_rename = mock.Mock()
_m_fsync_dir = mock.Mock()
with patch('os.rename', _m_os_rename):
with patch('swift.common.utils.fsync_dir', _m_fsync_dir):
utils.renamer("fake_path", obj_path)
_m_os_rename.assert_called_once_with('fake_path', obj_path)
# fsync_dir on parents of all newly create dirs
self.assertEqual(_m_fsync_dir.call_count, 3)
# Object dir existed
_m_os_rename.reset_mock()
_m_fsync_dir.reset_mock()
with patch('os.rename', _m_os_rename):
with patch('swift.common.utils.fsync_dir', _m_fsync_dir):
utils.renamer("fake_path", obj_path)
_m_os_rename.assert_called_once_with('fake_path', obj_path)
# fsync_dir only on the leaf dir
self.assertEqual(_m_fsync_dir.call_count, 1)
finally:
if tempdir:
shutil.rmtree(tempdir)
def test_renamer_when_fsync_is_false(self):
_m_os_rename = mock.Mock()
_m_fsync_dir = mock.Mock()
_m_makedirs_count = mock.Mock(return_value=2)
with patch('os.rename', _m_os_rename):
with patch('swift.common.utils.fsync_dir', _m_fsync_dir):
with patch('swift.common.utils.makedirs_count',
_m_makedirs_count):
utils.renamer("fake_path", "/a/b/c.data", fsync=False)
_m_makedirs_count.assert_called_once_with("/a/b")
_m_os_rename.assert_called_once_with('fake_path', "/a/b/c.data")
self.assertFalse(_m_fsync_dir.called)
def test_makedirs_count(self):
tempdir = None
fd = None
try:
tempdir = mkdtemp()
os.makedirs(os.path.join(tempdir, 'a/b'))
# 4 new dirs created
dirpath = os.path.join(tempdir, 'a/b/1/2/3/4')
ret = utils.makedirs_count(dirpath)
self.assertEqual(ret, 4)
# no new dirs created - dir already exists
ret = utils.makedirs_count(dirpath)
self.assertEqual(ret, 0)
# path exists and is a file
fd, temppath = tempfile.mkstemp(dir=dirpath)
os.close(fd)
self.assertRaises(OSError, utils.makedirs_count, temppath)
finally:
if tempdir:
shutil.rmtree(tempdir)
def test_find_shard_range(self):
ts = utils.Timestamp.now().internal
start = utils.ShardRange('a/-a', ts, '', 'a')
atof = utils.ShardRange('a/a-f', ts, 'a', 'f')
ftol = utils.ShardRange('a/f-l', ts, 'f', 'l')
ltor = utils.ShardRange('a/l-r', ts, 'l', 'r')
rtoz = utils.ShardRange('a/r-z', ts, 'r', 'z')
end = utils.ShardRange('a/z-', ts, 'z', '')
ranges = [start, atof, ftol, ltor, rtoz, end]
found = utils.find_shard_range('', ranges)
self.assertEqual(found, None)
found = utils.find_shard_range(' ', ranges)
self.assertEqual(found, start)
found = utils.find_shard_range(' ', ranges[1:])
self.assertEqual(found, None)
found = utils.find_shard_range('b', ranges)
self.assertEqual(found, atof)
found = utils.find_shard_range('f', ranges)
self.assertEqual(found, atof)
found = utils.find_shard_range('f\x00', ranges)
self.assertEqual(found, ftol)
found = utils.find_shard_range('x', ranges)
self.assertEqual(found, rtoz)
found = utils.find_shard_range('r', ranges)
self.assertEqual(found, ltor)
found = utils.find_shard_range('}', ranges)
self.assertEqual(found, end)
found = utils.find_shard_range('}', ranges[:-1])
self.assertEqual(found, None)
# remove l-r from list of ranges and try and find a shard range for an
# item in that range.
found = utils.find_shard_range('p', ranges[:-3] + ranges[-2:])
self.assertEqual(found, None)
# add some sub-shards; a sub-shard's state is less than its parent
# while the parent is undeleted, so insert these ahead of the
# overlapping parent in the list of ranges
ftoh = utils.ShardRange('a/f-h', ts, 'f', 'h')
htok = utils.ShardRange('a/h-k', ts, 'h', 'k')
overlapping_ranges = ranges[:2] + [ftoh, htok] + ranges[2:]
found = utils.find_shard_range('g', overlapping_ranges)
self.assertEqual(found, ftoh)
found = utils.find_shard_range('h', overlapping_ranges)
self.assertEqual(found, ftoh)
found = utils.find_shard_range('k', overlapping_ranges)
self.assertEqual(found, htok)
found = utils.find_shard_range('l', overlapping_ranges)
self.assertEqual(found, ftol)
found = utils.find_shard_range('m', overlapping_ranges)
self.assertEqual(found, ltor)
ktol = utils.ShardRange('a/k-l', ts, 'k', 'l')
overlapping_ranges = ranges[:2] + [ftoh, htok, ktol] + ranges[2:]
found = utils.find_shard_range('l', overlapping_ranges)
self.assertEqual(found, ktol)
def test_parse_db_filename(self):
actual = utils.parse_db_filename('hash.db')
self.assertEqual(('hash', None, '.db'), actual)
actual = utils.parse_db_filename('hash_1234567890.12345.db')
self.assertEqual(('hash', '1234567890.12345', '.db'), actual)
actual = utils.parse_db_filename(
'/dev/containers/part/ash/hash/hash_1234567890.12345.db')
self.assertEqual(('hash', '1234567890.12345', '.db'), actual)
self.assertRaises(ValueError, utils.parse_db_filename, '/path/to/dir/')
# These shouldn't come up in practice; included for completeness
self.assertEqual(utils.parse_db_filename('hashunder_.db'),
('hashunder', '', '.db'))
self.assertEqual(utils.parse_db_filename('lots_of_underscores.db'),
('lots', 'of', '.db'))
def test_make_db_file_path(self):
epoch = utils.Timestamp.now()
actual = utils.make_db_file_path('hash.db', epoch)
self.assertEqual('hash_%s.db' % epoch.internal, actual)
actual = utils.make_db_file_path('hash_oldepoch.db', epoch)
self.assertEqual('hash_%s.db' % epoch.internal, actual)
actual = utils.make_db_file_path('/path/to/hash.db', epoch)
self.assertEqual('/path/to/hash_%s.db' % epoch.internal, actual)
epoch = utils.Timestamp.now()
actual = utils.make_db_file_path(actual, epoch)
self.assertEqual('/path/to/hash_%s.db' % epoch.internal, actual)
# None strips epoch
self.assertEqual('hash.db', utils.make_db_file_path('hash.db', None))
self.assertEqual('/path/to/hash.db', utils.make_db_file_path(
'/path/to/hash_withepoch.db', None))
# epochs shouldn't have offsets
epoch = utils.Timestamp.now(offset=10)
actual = utils.make_db_file_path(actual, epoch)
self.assertEqual('/path/to/hash_%s.db' % epoch.normal, actual)
self.assertRaises(ValueError, utils.make_db_file_path,
'/path/to/hash.db', 'bad epoch')
def test_modify_priority(self):
pid = os.getpid()
logger = debug_logger()
called = {}
def _fake_setpriority(*args):
called['setpriority'] = args
def _fake_syscall(*args):
called['syscall'] = args
# Test if current architecture supports changing of priority
try:
utils.NR_ioprio_set()
except OSError as e:
raise unittest.SkipTest(e)
with patch('swift.common.utils._libc_setpriority',
_fake_setpriority), \
patch('swift.common.utils._posix_syscall', _fake_syscall):
called = {}
# not set / default
utils.modify_priority({}, logger)
self.assertEqual(called, {})
called = {}
# just nice
utils.modify_priority({'nice_priority': '1'}, logger)
self.assertEqual(called, {'setpriority': (0, pid, 1)})
called = {}
# just ionice class uses default priority 0
utils.modify_priority({'ionice_class': 'IOPRIO_CLASS_RT'}, logger)
architecture = os.uname()[4]
arch_bits = platform.architecture()[0]
if architecture == 'x86_64' and arch_bits == '64bit':
self.assertEqual(called, {'syscall': (251, 1, pid, 1 << 13)})
elif architecture == 'aarch64' and arch_bits == '64bit':
self.assertEqual(called, {'syscall': (30, 1, pid, 1 << 13)})
else:
self.fail("Unexpected call: %r" % called)
called = {}
# just ionice priority is ignored
utils.modify_priority({'ionice_priority': '4'}, logger)
self.assertEqual(called, {})
called = {}
# bad ionice class
utils.modify_priority({'ionice_class': 'class_foo'}, logger)
self.assertEqual(called, {})
called = {}
# ionice class & priority
utils.modify_priority({
'ionice_class': 'IOPRIO_CLASS_BE',
'ionice_priority': '4',
}, logger)
if architecture == 'x86_64' and arch_bits == '64bit':
self.assertEqual(called, {
'syscall': (251, 1, pid, 2 << 13 | 4)
})
elif architecture == 'aarch64' and arch_bits == '64bit':
self.assertEqual(called, {
'syscall': (30, 1, pid, 2 << 13 | 4)
})
else:
self.fail("Unexpected call: %r" % called)
called = {}
# all
utils.modify_priority({
'nice_priority': '-15',
'ionice_class': 'IOPRIO_CLASS_IDLE',
'ionice_priority': '6',
}, logger)
if architecture == 'x86_64' and arch_bits == '64bit':
self.assertEqual(called, {
'setpriority': (0, pid, -15),
'syscall': (251, 1, pid, 3 << 13 | 6),
})
elif architecture == 'aarch64' and arch_bits == '64bit':
self.assertEqual(called, {
'setpriority': (0, pid, -15),
'syscall': (30, 1, pid, 3 << 13 | 6),
})
else:
self.fail("Unexpected call: %r" % called)
def test__NR_ioprio_set(self):
with patch('os.uname', return_value=('', '', '', '', 'x86_64')), \
patch('platform.architecture', return_value=('64bit', '')):
self.assertEqual(251, utils.NR_ioprio_set())
with patch('os.uname', return_value=('', '', '', '', 'x86_64')), \
patch('platform.architecture', return_value=('32bit', '')):
self.assertRaises(OSError, utils.NR_ioprio_set)
with patch('os.uname', return_value=('', '', '', '', 'aarch64')), \
patch('platform.architecture', return_value=('64bit', '')):
self.assertEqual(30, utils.NR_ioprio_set())
with patch('os.uname', return_value=('', '', '', '', 'aarch64')), \
patch('platform.architecture', return_value=('32bit', '')):
self.assertRaises(OSError, utils.NR_ioprio_set)
with patch('os.uname', return_value=('', '', '', '', 'alpha')), \
patch('platform.architecture', return_value=('64bit', '')):
self.assertRaises(OSError, utils.NR_ioprio_set)
@requires_o_tmpfile_support_in_tmp
def test_link_fd_to_path_linkat_success(self):
tempdir = mkdtemp()
fd = os.open(tempdir, utils.O_TMPFILE | os.O_WRONLY)
data = b"I'm whatever Gotham needs me to be"
_m_fsync_dir = mock.Mock()
try:
os.write(fd, data)
# fd is O_WRONLY
self.assertRaises(OSError, os.read, fd, 1)
file_path = os.path.join(tempdir, uuid4().hex)
with mock.patch('swift.common.utils.fsync_dir', _m_fsync_dir):
utils.link_fd_to_path(fd, file_path, 1)
with open(file_path, 'rb') as f:
self.assertEqual(f.read(), data)
self.assertEqual(_m_fsync_dir.call_count, 2)
finally:
os.close(fd)
shutil.rmtree(tempdir)
@requires_o_tmpfile_support_in_tmp
def test_link_fd_to_path_target_exists(self):
tempdir = mkdtemp()
# Create and write to a file
fd, path = tempfile.mkstemp(dir=tempdir)
os.write(fd, b"hello world")
os.fsync(fd)
os.close(fd)
self.assertTrue(os.path.exists(path))
fd = os.open(tempdir, utils.O_TMPFILE | os.O_WRONLY)
try:
os.write(fd, b"bye world")
os.fsync(fd)
utils.link_fd_to_path(fd, path, 0, fsync=False)
# Original file now should have been over-written
with open(path, 'rb') as f:
self.assertEqual(f.read(), b"bye world")
finally:
os.close(fd)
shutil.rmtree(tempdir)
@requires_o_tmpfile_support
def test_link_fd_to_path_errno_not_EEXIST_or_ENOENT(self):
_m_linkat = mock.Mock(
side_effect=IOError(errno.EACCES, os.strerror(errno.EACCES)))
with mock.patch('swift.common.utils.linkat', _m_linkat):
try:
utils.link_fd_to_path(0, '/path', 1)
except IOError as err:
self.assertEqual(err.errno, errno.EACCES)
else:
self.fail("Expecting IOError exception")
self.assertTrue(_m_linkat.called)
@requires_o_tmpfile_support_in_tmp
def test_linkat_race_dir_not_exists(self):
tempdir = mkdtemp()
target_dir = os.path.join(tempdir, uuid4().hex)
target_path = os.path.join(target_dir, uuid4().hex)
os.mkdir(target_dir)
fd = os.open(target_dir, utils.O_TMPFILE | os.O_WRONLY)
# Simulating directory deletion by other backend process
os.rmdir(target_dir)
self.assertFalse(os.path.exists(target_dir))
try:
utils.link_fd_to_path(fd, target_path, 1)
self.assertTrue(os.path.exists(target_dir))
self.assertTrue(os.path.exists(target_path))
finally:
os.close(fd)
shutil.rmtree(tempdir)
def test_safe_json_loads(self):
expectations = {
None: None,
'': None,
0: None,
1: None,
'"asdf"': 'asdf',
'[]': [],
'{}': {},
"{'foo': 'bar'}": None,
'{"foo": "bar"}': {'foo': 'bar'},
}
failures = []
for value, expected in expectations.items():
try:
result = utils.safe_json_loads(value)
except Exception as e:
# it's called safe, if it blows up the test blows up
self.fail('%r caused safe method to throw %r!' % (
value, e))
try:
self.assertEqual(expected, result)
except AssertionError:
failures.append('%r => %r (expected %r)' % (
value, result, expected))
if failures:
self.fail('Invalid results from pure function:\n%s' %
'\n'.join(failures))
def test_strict_b64decode(self):
expectations = {
None: ValueError,
0: ValueError,
b'': b'',
u'': b'',
b'A': ValueError,
b'AA': ValueError,
b'AAA': ValueError,
b'AAAA': b'\x00\x00\x00',
u'AAAA': b'\x00\x00\x00',
b'////': b'\xff\xff\xff',
u'////': b'\xff\xff\xff',
b'A===': ValueError,
b'AA==': b'\x00',
b'AAA=': b'\x00\x00',
b' AAAA': ValueError,
b'AAAA ': ValueError,
b'AAAA============': b'\x00\x00\x00',
b'AA&AA==': ValueError,
b'====': b'',
}
failures = []
for value, expected in expectations.items():
try:
result = utils.strict_b64decode(value)
except Exception as e:
if inspect.isclass(expected) and issubclass(
expected, Exception):
if not isinstance(e, expected):
failures.append('%r raised %r (expected to raise %r)' %
(value, e, expected))
else:
failures.append('%r raised %r (expected to return %r)' %
(value, e, expected))
else:
if inspect.isclass(expected) and issubclass(
expected, Exception):
failures.append('%r => %r (expected to raise %r)' %
(value, result, expected))
elif result != expected:
failures.append('%r => %r (expected %r)' % (
value, result, expected))
if failures:
self.fail('Invalid results from pure function:\n%s' %
'\n'.join(failures))
def test_replace_partition_in_path(self):
# Check for new part = part * 2
old = '/s/n/d/o/700/c77/af088baea4806dcaba30bf07d9e64c77/f'
new = '/s/n/d/o/1400/c77/af088baea4806dcaba30bf07d9e64c77/f'
# Expected outcome
self.assertEqual(utils.replace_partition_in_path(old, 11), new)
# Make sure there is no change if the part power didn't change
self.assertEqual(utils.replace_partition_in_path(old, 10), old)
self.assertEqual(utils.replace_partition_in_path(new, 11), new)
# Check for new part = part * 2 + 1
old = '/s/n/d/o/693/c77/ad708baea4806dcaba30bf07d9e64c77/f'
new = '/s/n/d/o/1387/c77/ad708baea4806dcaba30bf07d9e64c77/f'
# Expected outcome
self.assertEqual(utils.replace_partition_in_path(old, 11), new)
# Make sure there is no change if the part power didn't change
self.assertEqual(utils.replace_partition_in_path(old, 10), old)
self.assertEqual(utils.replace_partition_in_path(new, 11), new)
def test_round_robin_iter(self):
it1 = iter([1, 2, 3])
it2 = iter([4, 5])
it3 = iter([6, 7, 8, 9])
it4 = iter([])
rr_its = utils.round_robin_iter([it1, it2, it3, it4])
got = list(rr_its)
# Expect that items get fetched in a round-robin fashion from the
# iterators
self.assertListEqual([1, 4, 6, 2, 5, 7, 3, 8, 9], got)
@with_tempdir
def test_get_db_files(self, tempdir):
dbdir = os.path.join(tempdir, 'dbdir')
self.assertEqual([], utils.get_db_files(dbdir))
path_1 = os.path.join(dbdir, 'dbfile.db')
self.assertEqual([], utils.get_db_files(path_1))
os.mkdir(dbdir)
self.assertEqual([], utils.get_db_files(path_1))
with open(path_1, 'wb'):
pass
self.assertEqual([path_1], utils.get_db_files(path_1))
path_2 = os.path.join(dbdir, 'dbfile_2.db')
self.assertEqual([path_1], utils.get_db_files(path_2))
with open(path_2, 'wb'):
pass
self.assertEqual([path_1, path_2], utils.get_db_files(path_1))
self.assertEqual([path_1, path_2], utils.get_db_files(path_2))
path_3 = os.path.join(dbdir, 'dbfile_3.db')
self.assertEqual([path_1, path_2], utils.get_db_files(path_3))
with open(path_3, 'wb'):
pass
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(path_1))
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(path_2))
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(path_3))
other_hash = os.path.join(dbdir, 'other.db')
self.assertEqual([], utils.get_db_files(other_hash))
other_hash = os.path.join(dbdir, 'other_1.db')
self.assertEqual([], utils.get_db_files(other_hash))
pending = os.path.join(dbdir, 'dbfile.pending')
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(pending))
with open(pending, 'wb'):
pass
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(pending))
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(path_1))
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(path_2))
self.assertEqual([path_1, path_2, path_3], utils.get_db_files(path_3))
self.assertEqual([], utils.get_db_files(dbdir))
os.unlink(path_1)
self.assertEqual([path_2, path_3], utils.get_db_files(path_1))
self.assertEqual([path_2, path_3], utils.get_db_files(path_2))
self.assertEqual([path_2, path_3], utils.get_db_files(path_3))
os.unlink(path_2)
self.assertEqual([path_3], utils.get_db_files(path_1))
self.assertEqual([path_3], utils.get_db_files(path_2))
self.assertEqual([path_3], utils.get_db_files(path_3))
os.unlink(path_3)
self.assertEqual([], utils.get_db_files(path_1))
self.assertEqual([], utils.get_db_files(path_2))
self.assertEqual([], utils.get_db_files(path_3))
self.assertEqual([], utils.get_db_files('/path/to/nowhere'))
def test_get_redirect_data(self):
ts_now = utils.Timestamp.now()
headers = {'X-Backend-Redirect-Timestamp': ts_now.internal}
response = FakeResponse(200, headers, '')
self.assertIsNone(utils.get_redirect_data(response))
headers = {'Location': '/a/c/o',
'X-Backend-Redirect-Timestamp': ts_now.internal}
response = FakeResponse(200, headers, '')
path, ts = utils.get_redirect_data(response)
self.assertEqual('a/c', path)
self.assertEqual(ts_now, ts)
headers = {'Location': '/a/c',
'X-Backend-Redirect-Timestamp': ts_now.internal}
response = FakeResponse(200, headers, '')
path, ts = utils.get_redirect_data(response)
self.assertEqual('a/c', path)
self.assertEqual(ts_now, ts)
def do_test(headers):
response = FakeResponse(200, headers, '')
with self.assertRaises(ValueError) as cm:
utils.get_redirect_data(response)
return cm.exception
exc = do_test({'Location': '/a',
'X-Backend-Redirect-Timestamp': ts_now.internal})
self.assertIn('Invalid path', str(exc))
exc = do_test({'Location': '',
'X-Backend-Redirect-Timestamp': ts_now.internal})
self.assertIn('Invalid path', str(exc))
exc = do_test({'Location': '/a/c',
'X-Backend-Redirect-Timestamp': 'bad'})
self.assertIn('Invalid timestamp', str(exc))
exc = do_test({'Location': '/a/c'})
self.assertIn('Invalid timestamp', str(exc))
exc = do_test({'Location': '/a/c',
'X-Backend-Redirect-Timestamp': '-1'})
self.assertIn('Invalid timestamp', str(exc))
class ResellerConfReader(unittest.TestCase):
def setUp(self):
self.default_rules = {'operator_roles': ['admin', 'swiftoperator'],
'service_roles': [],
'require_group': ''}
def test_defaults(self):
conf = {}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['AUTH_'])
self.assertEqual(options['AUTH_'], self.default_rules)
def test_same_as_default(self):
conf = {'reseller_prefix': 'AUTH',
'operator_roles': 'admin, swiftoperator'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['AUTH_'])
self.assertEqual(options['AUTH_'], self.default_rules)
def test_single_blank_reseller(self):
conf = {'reseller_prefix': ''}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, [''])
self.assertEqual(options[''], self.default_rules)
def test_single_blank_reseller_with_conf(self):
conf = {'reseller_prefix': '',
"''operator_roles": 'role1, role2'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, [''])
self.assertEqual(options[''].get('operator_roles'),
['role1', 'role2'])
self.assertEqual(options[''].get('service_roles'),
self.default_rules.get('service_roles'))
self.assertEqual(options[''].get('require_group'),
self.default_rules.get('require_group'))
def test_multiple_same_resellers(self):
conf = {'reseller_prefix': " '' , '' "}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, [''])
conf = {'reseller_prefix': '_, _'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['_'])
conf = {'reseller_prefix': 'AUTH, PRE2, AUTH, PRE2'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['AUTH_', 'PRE2_'])
def test_several_resellers_with_conf(self):
conf = {'reseller_prefix': 'PRE1, PRE2',
'PRE1_operator_roles': 'role1, role2',
'PRE1_service_roles': 'role3, role4',
'PRE2_operator_roles': 'role5',
'PRE2_service_roles': 'role6',
'PRE2_require_group': 'pre2_group'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['PRE1_', 'PRE2_'])
self.assertEqual(set(['role1', 'role2']),
set(options['PRE1_'].get('operator_roles')))
self.assertEqual(['role5'],
options['PRE2_'].get('operator_roles'))
self.assertEqual(set(['role3', 'role4']),
set(options['PRE1_'].get('service_roles')))
self.assertEqual(['role6'], options['PRE2_'].get('service_roles'))
self.assertEqual('', options['PRE1_'].get('require_group'))
self.assertEqual('pre2_group', options['PRE2_'].get('require_group'))
def test_several_resellers_first_blank(self):
conf = {'reseller_prefix': " '' , PRE2",
"''operator_roles": 'role1, role2',
"''service_roles": 'role3, role4',
'PRE2_operator_roles': 'role5',
'PRE2_service_roles': 'role6',
'PRE2_require_group': 'pre2_group'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['', 'PRE2_'])
self.assertEqual(set(['role1', 'role2']),
set(options[''].get('operator_roles')))
self.assertEqual(['role5'],
options['PRE2_'].get('operator_roles'))
self.assertEqual(set(['role3', 'role4']),
set(options[''].get('service_roles')))
self.assertEqual(['role6'], options['PRE2_'].get('service_roles'))
self.assertEqual('', options[''].get('require_group'))
self.assertEqual('pre2_group', options['PRE2_'].get('require_group'))
def test_several_resellers_with_blank_comma(self):
conf = {'reseller_prefix': "AUTH , '', PRE2",
"''operator_roles": 'role1, role2',
"''service_roles": 'role3, role4',
'PRE2_operator_roles': 'role5',
'PRE2_service_roles': 'role6',
'PRE2_require_group': 'pre2_group'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['AUTH_', '', 'PRE2_'])
self.assertEqual(set(['admin', 'swiftoperator']),
set(options['AUTH_'].get('operator_roles')))
self.assertEqual(set(['role1', 'role2']),
set(options[''].get('operator_roles')))
self.assertEqual(['role5'],
options['PRE2_'].get('operator_roles'))
self.assertEqual([],
options['AUTH_'].get('service_roles'))
self.assertEqual(set(['role3', 'role4']),
set(options[''].get('service_roles')))
self.assertEqual(['role6'], options['PRE2_'].get('service_roles'))
self.assertEqual('', options['AUTH_'].get('require_group'))
self.assertEqual('', options[''].get('require_group'))
self.assertEqual('pre2_group', options['PRE2_'].get('require_group'))
def test_stray_comma(self):
conf = {'reseller_prefix': "AUTH ,, PRE2",
"''operator_roles": 'role1, role2',
"''service_roles": 'role3, role4',
'PRE2_operator_roles': 'role5',
'PRE2_service_roles': 'role6',
'PRE2_require_group': 'pre2_group'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['AUTH_', 'PRE2_'])
self.assertEqual(set(['admin', 'swiftoperator']),
set(options['AUTH_'].get('operator_roles')))
self.assertEqual(['role5'],
options['PRE2_'].get('operator_roles'))
self.assertEqual([],
options['AUTH_'].get('service_roles'))
self.assertEqual(['role6'], options['PRE2_'].get('service_roles'))
self.assertEqual('', options['AUTH_'].get('require_group'))
self.assertEqual('pre2_group', options['PRE2_'].get('require_group'))
def test_multiple_stray_commas_resellers(self):
conf = {'reseller_prefix': ' , , ,'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, [''])
self.assertEqual(options[''], self.default_rules)
def test_unprefixed_options(self):
conf = {'reseller_prefix': "AUTH , '', PRE2",
"operator_roles": 'role1, role2',
"service_roles": 'role3, role4',
'require_group': 'auth_blank_group',
'PRE2_operator_roles': 'role5',
'PRE2_service_roles': 'role6',
'PRE2_require_group': 'pre2_group'}
prefixes, options = utils.config_read_reseller_options(
conf, self.default_rules)
self.assertEqual(prefixes, ['AUTH_', '', 'PRE2_'])
self.assertEqual(set(['role1', 'role2']),
set(options['AUTH_'].get('operator_roles')))
self.assertEqual(set(['role1', 'role2']),
set(options[''].get('operator_roles')))
self.assertEqual(['role5'],
options['PRE2_'].get('operator_roles'))
self.assertEqual(set(['role3', 'role4']),
set(options['AUTH_'].get('service_roles')))
self.assertEqual(set(['role3', 'role4']),
set(options[''].get('service_roles')))
self.assertEqual(['role6'], options['PRE2_'].get('service_roles'))
self.assertEqual('auth_blank_group',
options['AUTH_'].get('require_group'))
self.assertEqual('auth_blank_group', options[''].get('require_group'))
self.assertEqual('pre2_group', options['PRE2_'].get('require_group'))
class TestUnlinkOlder(unittest.TestCase):
def setUp(self):
self.tempdir = mkdtemp()
self.mtime = {}
self.ts = make_timestamp_iter()
def tearDown(self):
rmtree(self.tempdir, ignore_errors=True)
def touch(self, fpath, mtime=None):
self.mtime[fpath] = mtime or next(self.ts)
open(fpath, 'w')
@contextlib.contextmanager
def high_resolution_getmtime(self):
orig_getmtime = os.path.getmtime
def mock_getmtime(fpath):
mtime = self.mtime.get(fpath)
if mtime is None:
mtime = orig_getmtime(fpath)
return mtime
with mock.patch('os.path.getmtime', mock_getmtime):
yield
def test_unlink_older_than_path_not_exists(self):
path = os.path.join(self.tempdir, 'does-not-exist')
# just make sure it doesn't blow up
utils.unlink_older_than(path, next(self.ts))
def test_unlink_older_than_file(self):
path = os.path.join(self.tempdir, 'some-file')
self.touch(path)
with self.assertRaises(OSError) as ctx:
utils.unlink_older_than(path, next(self.ts))
self.assertEqual(ctx.exception.errno, errno.ENOTDIR)
def test_unlink_older_than_now(self):
self.touch(os.path.join(self.tempdir, 'test'))
with self.high_resolution_getmtime():
utils.unlink_older_than(self.tempdir, next(self.ts))
self.assertEqual([], os.listdir(self.tempdir))
def test_unlink_not_old_enough(self):
start = next(self.ts)
self.touch(os.path.join(self.tempdir, 'test'))
with self.high_resolution_getmtime():
utils.unlink_older_than(self.tempdir, start)
self.assertEqual(['test'], os.listdir(self.tempdir))
def test_unlink_mixed(self):
self.touch(os.path.join(self.tempdir, 'first'))
cutoff = next(self.ts)
self.touch(os.path.join(self.tempdir, 'second'))
with self.high_resolution_getmtime():
utils.unlink_older_than(self.tempdir, cutoff)
self.assertEqual(['second'], os.listdir(self.tempdir))
def test_unlink_paths(self):
paths = []
for item in ('first', 'second', 'third'):
path = os.path.join(self.tempdir, item)
self.touch(path)
paths.append(path)
# don't unlink everyone
with self.high_resolution_getmtime():
utils.unlink_paths_older_than(paths[:2], next(self.ts))
self.assertEqual(['third'], os.listdir(self.tempdir))
def test_unlink_empty_paths(self):
# just make sure it doesn't blow up
utils.unlink_paths_older_than([], next(self.ts))
def test_unlink_not_exists_paths(self):
path = os.path.join(self.tempdir, 'does-not-exist')
# just make sure it doesn't blow up
utils.unlink_paths_older_than([path], next(self.ts))
class TestSwiftInfo(unittest.TestCase):
def tearDown(self):
utils._swift_info = {}
utils._swift_admin_info = {}
def test_register_swift_info(self):
utils.register_swift_info(foo='bar')
utils.register_swift_info(lorem='ipsum')
utils.register_swift_info('cap1', cap1_foo='cap1_bar')
utils.register_swift_info('cap1', cap1_lorem='cap1_ipsum')
self.assertTrue('swift' in utils._swift_info)
self.assertTrue('foo' in utils._swift_info['swift'])
self.assertEqual(utils._swift_info['swift']['foo'], 'bar')
self.assertTrue('lorem' in utils._swift_info['swift'])
self.assertEqual(utils._swift_info['swift']['lorem'], 'ipsum')
self.assertTrue('cap1' in utils._swift_info)
self.assertTrue('cap1_foo' in utils._swift_info['cap1'])
self.assertEqual(utils._swift_info['cap1']['cap1_foo'], 'cap1_bar')
self.assertTrue('cap1_lorem' in utils._swift_info['cap1'])
self.assertEqual(utils._swift_info['cap1']['cap1_lorem'], 'cap1_ipsum')
self.assertRaises(ValueError,
utils.register_swift_info, 'admin', foo='bar')
self.assertRaises(ValueError,
utils.register_swift_info, 'disallowed_sections',
disallowed_sections=None)
utils.register_swift_info('goodkey', foo='5.6')
self.assertRaises(ValueError,
utils.register_swift_info, 'bad.key', foo='5.6')
data = {'bad.key': '5.6'}
self.assertRaises(ValueError,
utils.register_swift_info, 'goodkey', **data)
def test_get_swift_info(self):
utils._swift_info = {'swift': {'foo': 'bar'},
'cap1': {'cap1_foo': 'cap1_bar'}}
utils._swift_admin_info = {'admin_cap1': {'ac1_foo': 'ac1_bar'}}
info = utils.get_swift_info()
self.assertNotIn('admin', info)
self.assertIn('swift', info)
self.assertIn('foo', info['swift'])
self.assertEqual(utils._swift_info['swift']['foo'], 'bar')
self.assertIn('cap1', info)
self.assertIn('cap1_foo', info['cap1'])
self.assertEqual(utils._swift_info['cap1']['cap1_foo'], 'cap1_bar')
def test_get_swift_info_with_disallowed_sections(self):
utils._swift_info = {'swift': {'foo': 'bar'},
'cap1': {'cap1_foo': 'cap1_bar'},
'cap2': {'cap2_foo': 'cap2_bar'},
'cap3': {'cap3_foo': 'cap3_bar'}}
utils._swift_admin_info = {'admin_cap1': {'ac1_foo': 'ac1_bar'}}
info = utils.get_swift_info(disallowed_sections=['cap1', 'cap3'])
self.assertNotIn('admin', info)
self.assertIn('swift', info)
self.assertIn('foo', info['swift'])
self.assertEqual(info['swift']['foo'], 'bar')
self.assertNotIn('cap1', info)
self.assertIn('cap2', info)
self.assertIn('cap2_foo', info['cap2'])
self.assertEqual(info['cap2']['cap2_foo'], 'cap2_bar')
self.assertNotIn('cap3', info)
def test_register_swift_admin_info(self):
utils.register_swift_info(admin=True, admin_foo='admin_bar')
utils.register_swift_info(admin=True, admin_lorem='admin_ipsum')
utils.register_swift_info('cap1', admin=True, ac1_foo='ac1_bar')
utils.register_swift_info('cap1', admin=True, ac1_lorem='ac1_ipsum')
self.assertIn('swift', utils._swift_admin_info)
self.assertIn('admin_foo', utils._swift_admin_info['swift'])
self.assertEqual(
utils._swift_admin_info['swift']['admin_foo'], 'admin_bar')
self.assertIn('admin_lorem', utils._swift_admin_info['swift'])
self.assertEqual(
utils._swift_admin_info['swift']['admin_lorem'], 'admin_ipsum')
self.assertIn('cap1', utils._swift_admin_info)
self.assertIn('ac1_foo', utils._swift_admin_info['cap1'])
self.assertEqual(
utils._swift_admin_info['cap1']['ac1_foo'], 'ac1_bar')
self.assertIn('ac1_lorem', utils._swift_admin_info['cap1'])
self.assertEqual(
utils._swift_admin_info['cap1']['ac1_lorem'], 'ac1_ipsum')
self.assertNotIn('swift', utils._swift_info)
self.assertNotIn('cap1', utils._swift_info)
def test_get_swift_admin_info(self):
utils._swift_info = {'swift': {'foo': 'bar'},
'cap1': {'cap1_foo': 'cap1_bar'}}
utils._swift_admin_info = {'admin_cap1': {'ac1_foo': 'ac1_bar'}}
info = utils.get_swift_info(admin=True)
self.assertIn('admin', info)
self.assertIn('admin_cap1', info['admin'])
self.assertIn('ac1_foo', info['admin']['admin_cap1'])
self.assertEqual(info['admin']['admin_cap1']['ac1_foo'], 'ac1_bar')
self.assertIn('swift', info)
self.assertIn('foo', info['swift'])
self.assertEqual(utils._swift_info['swift']['foo'], 'bar')
self.assertIn('cap1', info)
self.assertIn('cap1_foo', info['cap1'])
self.assertEqual(utils._swift_info['cap1']['cap1_foo'], 'cap1_bar')
def test_get_swift_admin_info_with_disallowed_sections(self):
utils._swift_info = {'swift': {'foo': 'bar'},
'cap1': {'cap1_foo': 'cap1_bar'},
'cap2': {'cap2_foo': 'cap2_bar'},
'cap3': {'cap3_foo': 'cap3_bar'}}
utils._swift_admin_info = {'admin_cap1': {'ac1_foo': 'ac1_bar'}}
info = utils.get_swift_info(
admin=True, disallowed_sections=['cap1', 'cap3'])
self.assertIn('admin', info)
self.assertIn('admin_cap1', info['admin'])
self.assertIn('ac1_foo', info['admin']['admin_cap1'])
self.assertEqual(info['admin']['admin_cap1']['ac1_foo'], 'ac1_bar')
self.assertIn('disallowed_sections', info['admin'])
self.assertIn('cap1', info['admin']['disallowed_sections'])
self.assertNotIn('cap2', info['admin']['disallowed_sections'])
self.assertIn('cap3', info['admin']['disallowed_sections'])
self.assertIn('swift', info)
self.assertIn('foo', info['swift'])
self.assertEqual(info['swift']['foo'], 'bar')
self.assertNotIn('cap1', info)
self.assertIn('cap2', info)
self.assertIn('cap2_foo', info['cap2'])
self.assertEqual(info['cap2']['cap2_foo'], 'cap2_bar')
self.assertNotIn('cap3', info)
def test_get_swift_admin_info_with_disallowed_sub_sections(self):
utils._swift_info = {'swift': {'foo': 'bar'},
'cap1': {'cap1_foo': 'cap1_bar',
'cap1_moo': 'cap1_baa'},
'cap2': {'cap2_foo': 'cap2_bar'},
'cap3': {'cap2_foo': 'cap2_bar'},
'cap4': {'a': {'b': {'c': 'c'},
'b.c': 'b.c'}}}
utils._swift_admin_info = {'admin_cap1': {'ac1_foo': 'ac1_bar'}}
info = utils.get_swift_info(
admin=True, disallowed_sections=['cap1.cap1_foo', 'cap3',
'cap4.a.b.c'])
self.assertNotIn('cap3', info)
self.assertEqual(info['cap1']['cap1_moo'], 'cap1_baa')
self.assertNotIn('cap1_foo', info['cap1'])
self.assertNotIn('c', info['cap4']['a']['b'])
self.assertEqual(info['cap4']['a']['b.c'], 'b.c')
def test_get_swift_info_with_unmatched_disallowed_sections(self):
cap1 = {'cap1_foo': 'cap1_bar',
'cap1_moo': 'cap1_baa'}
utils._swift_info = {'swift': {'foo': 'bar'},
'cap1': cap1}
# expect no exceptions
info = utils.get_swift_info(
disallowed_sections=['cap2.cap1_foo', 'cap1.no_match',
'cap1.cap1_foo.no_match.no_match'])
self.assertEqual(info['cap1'], cap1)
class TestFileLikeIter(unittest.TestCase):
def test_iter_file_iter(self):
in_iter = [b'abc', b'de', b'fghijk', b'l']
chunks = []
for chunk in utils.FileLikeIter(in_iter):
chunks.append(chunk)
self.assertEqual(chunks, in_iter)
def test_next(self):
in_iter = [b'abc', b'de', b'fghijk', b'l']
chunks = []
iter_file = utils.FileLikeIter(in_iter)
while True:
try:
chunk = next(iter_file)
except StopIteration:
break
chunks.append(chunk)
self.assertEqual(chunks, in_iter)
def test_read(self):
in_iter = [b'abc', b'de', b'fghijk', b'l']
iter_file = utils.FileLikeIter(in_iter)
self.assertEqual(iter_file.read(), b''.join(in_iter))
def test_read_with_size(self):
in_iter = [b'abc', b'de', b'fghijk', b'l']
chunks = []
iter_file = utils.FileLikeIter(in_iter)
while True:
chunk = iter_file.read(2)
if not chunk:
break
self.assertTrue(len(chunk) <= 2)
chunks.append(chunk)
self.assertEqual(b''.join(chunks), b''.join(in_iter))
def test_read_with_size_zero(self):
# makes little sense, but file supports it, so...
self.assertEqual(utils.FileLikeIter(b'abc').read(0), b'')
def test_readline(self):
in_iter = [b'abc\n', b'd', b'\nef', b'g\nh', b'\nij\n\nk\n',
b'trailing.']
lines = []
iter_file = utils.FileLikeIter(in_iter)
while True:
line = iter_file.readline()
if not line:
break
lines.append(line)
self.assertEqual(
lines,
[v if v == b'trailing.' else v + b'\n'
for v in b''.join(in_iter).split(b'\n')])
def test_readline2(self):
self.assertEqual(
utils.FileLikeIter([b'abc', b'def\n']).readline(4),
b'abcd')
def test_readline3(self):
self.assertEqual(
utils.FileLikeIter([b'a' * 1111, b'bc\ndef']).readline(),
(b'a' * 1111) + b'bc\n')
def test_readline_with_size(self):
in_iter = [b'abc\n', b'd', b'\nef', b'g\nh', b'\nij\n\nk\n',
b'trailing.']
lines = []
iter_file = utils.FileLikeIter(in_iter)
while True:
line = iter_file.readline(2)
if not line:
break
lines.append(line)
self.assertEqual(
lines,
[b'ab', b'c\n', b'd\n', b'ef', b'g\n', b'h\n', b'ij', b'\n', b'\n',
b'k\n', b'tr', b'ai', b'li', b'ng', b'.'])
def test_readlines(self):
in_iter = [b'abc\n', b'd', b'\nef', b'g\nh', b'\nij\n\nk\n',
b'trailing.']
lines = utils.FileLikeIter(in_iter).readlines()
self.assertEqual(
lines,
[v if v == b'trailing.' else v + b'\n'
for v in b''.join(in_iter).split(b'\n')])
def test_readlines_with_size(self):
in_iter = [b'abc\n', b'd', b'\nef', b'g\nh', b'\nij\n\nk\n',
b'trailing.']
iter_file = utils.FileLikeIter(in_iter)
lists_of_lines = []
while True:
lines = iter_file.readlines(2)
if not lines:
break
lists_of_lines.append(lines)
self.assertEqual(
lists_of_lines,
[[b'ab'], [b'c\n'], [b'd\n'], [b'ef'], [b'g\n'], [b'h\n'], [b'ij'],
[b'\n', b'\n'], [b'k\n'], [b'tr'], [b'ai'], [b'li'], [b'ng'],
[b'.']])
def test_close(self):
iter_file = utils.FileLikeIter([b'a', b'b', b'c'])
self.assertEqual(next(iter_file), b'a')
iter_file.close()
self.assertTrue(iter_file.closed)
self.assertRaises(ValueError, iter_file.next)
self.assertRaises(ValueError, iter_file.read)
self.assertRaises(ValueError, iter_file.readline)
self.assertRaises(ValueError, iter_file.readlines)
# Just make sure repeated close calls don't raise an Exception
iter_file.close()
self.assertTrue(iter_file.closed)
class TestStatsdLogging(unittest.TestCase):
def setUp(self):
def fake_getaddrinfo(host, port, *args):
# this is what a real getaddrinfo('localhost', port,
# socket.AF_INET) returned once
return [(socket.AF_INET, # address family
socket.SOCK_STREAM, # socket type
socket.IPPROTO_TCP, # socket protocol
'', # canonical name,
('127.0.0.1', port)), # socket address
(socket.AF_INET,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('127.0.0.1', port))]
self.real_getaddrinfo = utils.socket.getaddrinfo
self.getaddrinfo_patcher = mock.patch.object(
utils.socket, 'getaddrinfo', fake_getaddrinfo)
self.mock_getaddrinfo = self.getaddrinfo_patcher.start()
self.addCleanup(self.getaddrinfo_patcher.stop)
def test_get_logger_statsd_client_not_specified(self):
logger = utils.get_logger({}, 'some-name', log_route='some-route')
# white-box construction validation
self.assertIsNone(logger.logger.statsd_client)
def test_get_logger_statsd_client_defaults(self):
logger = utils.get_logger({'log_statsd_host': 'some.host.com'},
'some-name', log_route='some-route')
# white-box construction validation
self.assertTrue(isinstance(logger.logger.statsd_client,
utils.StatsdClient))
self.assertEqual(logger.logger.statsd_client._host, 'some.host.com')
self.assertEqual(logger.logger.statsd_client._port, 8125)
self.assertEqual(logger.logger.statsd_client._prefix, 'some-name.')
self.assertEqual(logger.logger.statsd_client._default_sample_rate, 1)
logger.set_statsd_prefix('some-name.more-specific')
self.assertEqual(logger.logger.statsd_client._prefix,
'some-name.more-specific.')
logger.set_statsd_prefix('')
self.assertEqual(logger.logger.statsd_client._prefix, '')
def test_get_logger_statsd_client_non_defaults(self):
logger = utils.get_logger({
'log_statsd_host': 'another.host.com',
'log_statsd_port': '9876',
'log_statsd_default_sample_rate': '0.75',
'log_statsd_sample_rate_factor': '0.81',
'log_statsd_metric_prefix': 'tomato.sauce',
}, 'some-name', log_route='some-route')
self.assertEqual(logger.logger.statsd_client._prefix,
'tomato.sauce.some-name.')
logger.set_statsd_prefix('some-name.more-specific')
self.assertEqual(logger.logger.statsd_client._prefix,
'tomato.sauce.some-name.more-specific.')
logger.set_statsd_prefix('')
self.assertEqual(logger.logger.statsd_client._prefix, 'tomato.sauce.')
self.assertEqual(logger.logger.statsd_client._host, 'another.host.com')
self.assertEqual(logger.logger.statsd_client._port, 9876)
self.assertEqual(logger.logger.statsd_client._default_sample_rate,
0.75)
self.assertEqual(logger.logger.statsd_client._sample_rate_factor,
0.81)
def test_ipv4_or_ipv6_hostname_defaults_to_ipv4(self):
def stub_getaddrinfo_both_ipv4_and_ipv6(host, port, family, *rest):
if family == socket.AF_INET:
return [(socket.AF_INET, 'blah', 'blah', 'blah',
('127.0.0.1', int(port)))]
elif family == socket.AF_INET6:
# Implemented so an incorrectly ordered implementation (IPv6
# then IPv4) would realistically fail.
return [(socket.AF_INET6, 'blah', 'blah', 'blah',
('::1', int(port), 0, 0))]
with mock.patch.object(utils.socket, 'getaddrinfo',
new=stub_getaddrinfo_both_ipv4_and_ipv6):
logger = utils.get_logger({
'log_statsd_host': 'localhost',
'log_statsd_port': '9876',
}, 'some-name', log_route='some-route')
statsd_client = logger.logger.statsd_client
self.assertEqual(statsd_client._sock_family, socket.AF_INET)
self.assertEqual(statsd_client._target, ('localhost', 9876))
got_sock = statsd_client._open_socket()
self.assertEqual(got_sock.family, socket.AF_INET)
def test_ipv4_instantiation_and_socket_creation(self):
logger = utils.get_logger({
'log_statsd_host': '127.0.0.1',
'log_statsd_port': '9876',
}, 'some-name', log_route='some-route')
statsd_client = logger.logger.statsd_client
self.assertEqual(statsd_client._sock_family, socket.AF_INET)
self.assertEqual(statsd_client._target, ('127.0.0.1', 9876))
got_sock = statsd_client._open_socket()
self.assertEqual(got_sock.family, socket.AF_INET)
def test_ipv6_instantiation_and_socket_creation(self):
# We have to check the given hostname or IP for IPv4/IPv6 on logger
# instantiation so we don't call getaddrinfo() too often and don't have
# to call bind() on our socket to detect IPv4/IPv6 on every send.
#
# This test uses the real getaddrinfo, so we patch over the mock to
# put the real one back. If we just stop the mock, then
# unittest.exit() blows up, but stacking real-fake-real works okay.
with mock.patch.object(utils.socket, 'getaddrinfo',
self.real_getaddrinfo):
logger = utils.get_logger({
'log_statsd_host': '::1',
'log_statsd_port': '9876',
}, 'some-name', log_route='some-route')
statsd_client = logger.logger.statsd_client
self.assertEqual(statsd_client._sock_family, socket.AF_INET6)
self.assertEqual(statsd_client._target, ('::1', 9876, 0, 0))
got_sock = statsd_client._open_socket()
self.assertEqual(got_sock.family, socket.AF_INET6)
def test_bad_hostname_instantiation(self):
with mock.patch.object(utils.socket, 'getaddrinfo',
side_effect=utils.socket.gaierror("whoops")):
logger = utils.get_logger({
'log_statsd_host': 'i-am-not-a-hostname-or-ip',
'log_statsd_port': '9876',
}, 'some-name', log_route='some-route')
statsd_client = logger.logger.statsd_client
self.assertEqual(statsd_client._sock_family, socket.AF_INET)
self.assertEqual(statsd_client._target,
('i-am-not-a-hostname-or-ip', 9876))
got_sock = statsd_client._open_socket()
self.assertEqual(got_sock.family, socket.AF_INET)
# Maybe the DNS server gets fixed in a bit and it starts working... or
# maybe the DNS record hadn't propagated yet. In any case, failed
# statsd sends will warn in the logs until the DNS failure or invalid
# IP address in the configuration is fixed.
def test_sending_ipv6(self):
def fake_getaddrinfo(host, port, *args):
# this is what a real getaddrinfo('::1', port,
# socket.AF_INET6) returned once
return [(socket.AF_INET6,
socket.SOCK_STREAM,
socket.IPPROTO_TCP,
'', ('::1', port, 0, 0)),
(socket.AF_INET6,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('::1', port, 0, 0))]
with mock.patch.object(utils.socket, 'getaddrinfo', fake_getaddrinfo):
logger = utils.get_logger({
'log_statsd_host': '::1',
'log_statsd_port': '9876',
}, 'some-name', log_route='some-route')
statsd_client = logger.logger.statsd_client
fl = FakeLogger()
statsd_client.logger = fl
mock_socket = MockUdpSocket()
statsd_client._open_socket = lambda *_: mock_socket
logger.increment('tunafish')
self.assertEqual(fl.get_lines_for_level('warning'), [])
self.assertEqual(mock_socket.sent,
[(b'some-name.tunafish:1|c', ('::1', 9876, 0, 0))])
def test_no_exception_when_cant_send_udp_packet(self):
logger = utils.get_logger({'log_statsd_host': 'some.host.com'})
statsd_client = logger.logger.statsd_client
fl = FakeLogger()
statsd_client.logger = fl
mock_socket = MockUdpSocket(sendto_errno=errno.EPERM)
statsd_client._open_socket = lambda *_: mock_socket
logger.increment('tunafish')
expected = ["Error sending UDP message to ('some.host.com', 8125): "
"[Errno 1] test errno 1"]
self.assertEqual(fl.get_lines_for_level('warning'), expected)
def test_sample_rates(self):
logger = utils.get_logger({'log_statsd_host': 'some.host.com'})
mock_socket = MockUdpSocket()
# encapsulation? what's that?
statsd_client = logger.logger.statsd_client
self.assertTrue(statsd_client.random is random.random)
statsd_client._open_socket = lambda *_: mock_socket
statsd_client.random = lambda: 0.50001
logger.increment('tribbles', sample_rate=0.5)
self.assertEqual(len(mock_socket.sent), 0)
statsd_client.random = lambda: 0.49999
logger.increment('tribbles', sample_rate=0.5)
self.assertEqual(len(mock_socket.sent), 1)
payload = mock_socket.sent[0][0]
self.assertTrue(payload.endswith(b"|@0.5"))
def test_sample_rates_with_sample_rate_factor(self):
logger = utils.get_logger({
'log_statsd_host': 'some.host.com',
'log_statsd_default_sample_rate': '0.82',
'log_statsd_sample_rate_factor': '0.91',
})
effective_sample_rate = 0.82 * 0.91
mock_socket = MockUdpSocket()
# encapsulation? what's that?
statsd_client = logger.logger.statsd_client
self.assertTrue(statsd_client.random is random.random)
statsd_client._open_socket = lambda *_: mock_socket
statsd_client.random = lambda: effective_sample_rate + 0.001
logger.increment('tribbles')
self.assertEqual(len(mock_socket.sent), 0)
statsd_client.random = lambda: effective_sample_rate - 0.001
logger.increment('tribbles')
self.assertEqual(len(mock_socket.sent), 1)
payload = mock_socket.sent[0][0]
suffix = "|@%s" % effective_sample_rate
if six.PY3:
suffix = suffix.encode('utf-8')
self.assertTrue(payload.endswith(suffix), payload)
effective_sample_rate = 0.587 * 0.91
statsd_client.random = lambda: effective_sample_rate - 0.001
logger.increment('tribbles', sample_rate=0.587)
self.assertEqual(len(mock_socket.sent), 2)
payload = mock_socket.sent[1][0]
suffix = "|@%s" % effective_sample_rate
if six.PY3:
suffix = suffix.encode('utf-8')
self.assertTrue(payload.endswith(suffix), payload)
def test_timing_stats(self):
class MockController(object):
def __init__(self, status):
self.status = status
self.logger = self
self.args = ()
self.called = 'UNKNOWN'
def timing_since(self, *args):
self.called = 'timing'
self.args = args
@utils.timing_stats()
def METHOD(controller):
return Response(status=controller.status)
mock_controller = MockController(200)
METHOD(mock_controller)
self.assertEqual(mock_controller.called, 'timing')
self.assertEqual(len(mock_controller.args), 2)
self.assertEqual(mock_controller.args[0], 'METHOD.timing')
self.assertTrue(mock_controller.args[1] > 0)
mock_controller = MockController(400)
METHOD(mock_controller)
self.assertEqual(len(mock_controller.args), 2)
self.assertEqual(mock_controller.called, 'timing')
self.assertEqual(mock_controller.args[0], 'METHOD.timing')
self.assertTrue(mock_controller.args[1] > 0)
mock_controller = MockController(404)
METHOD(mock_controller)
self.assertEqual(len(mock_controller.args), 2)
self.assertEqual(mock_controller.called, 'timing')
self.assertEqual(mock_controller.args[0], 'METHOD.timing')
self.assertTrue(mock_controller.args[1] > 0)
mock_controller = MockController(412)
METHOD(mock_controller)
self.assertEqual(len(mock_controller.args), 2)
self.assertEqual(mock_controller.called, 'timing')
self.assertEqual(mock_controller.args[0], 'METHOD.timing')
self.assertTrue(mock_controller.args[1] > 0)
mock_controller = MockController(416)
METHOD(mock_controller)
self.assertEqual(len(mock_controller.args), 2)
self.assertEqual(mock_controller.called, 'timing')
self.assertEqual(mock_controller.args[0], 'METHOD.timing')
self.assertTrue(mock_controller.args[1] > 0)
mock_controller = MockController(500)
METHOD(mock_controller)
self.assertEqual(len(mock_controller.args), 2)
self.assertEqual(mock_controller.called, 'timing')
self.assertEqual(mock_controller.args[0], 'METHOD.errors.timing')
self.assertTrue(mock_controller.args[1] > 0)
mock_controller = MockController(507)
METHOD(mock_controller)
self.assertEqual(len(mock_controller.args), 2)
self.assertEqual(mock_controller.called, 'timing')
self.assertEqual(mock_controller.args[0], 'METHOD.errors.timing')
self.assertTrue(mock_controller.args[1] > 0)
class UnsafeXrange(object):
"""
Like xrange(limit), but with extra context switching to screw things up.
"""
def __init__(self, upper_bound):
self.current = 0
self.concurrent_calls = 0
self.upper_bound = upper_bound
self.concurrent_call = False
def __iter__(self):
return self
def next(self):
if self.concurrent_calls > 0:
self.concurrent_call = True
self.concurrent_calls += 1
try:
if self.current >= self.upper_bound:
raise StopIteration
else:
val = self.current
self.current += 1
eventlet.sleep() # yield control
return val
finally:
self.concurrent_calls -= 1
__next__ = next
class TestAffinityKeyFunction(unittest.TestCase):
def setUp(self):
self.nodes = [dict(id=0, region=1, zone=1),
dict(id=1, region=1, zone=2),
dict(id=2, region=2, zone=1),
dict(id=3, region=2, zone=2),
dict(id=4, region=3, zone=1),
dict(id=5, region=3, zone=2),
dict(id=6, region=4, zone=0),
dict(id=7, region=4, zone=1)]
def test_single_region(self):
keyfn = utils.affinity_key_function("r3=1")
ids = [n['id'] for n in sorted(self.nodes, key=keyfn)]
self.assertEqual([4, 5, 0, 1, 2, 3, 6, 7], ids)
def test_bogus_value(self):
self.assertRaises(ValueError,
utils.affinity_key_function, "r3")
self.assertRaises(ValueError,
utils.affinity_key_function, "r3=elephant")
def test_empty_value(self):
# Empty's okay, it just means no preference
keyfn = utils.affinity_key_function("")
self.assertTrue(callable(keyfn))
ids = [n['id'] for n in sorted(self.nodes, key=keyfn)]
self.assertEqual([0, 1, 2, 3, 4, 5, 6, 7], ids)
def test_all_whitespace_value(self):
# Empty's okay, it just means no preference
keyfn = utils.affinity_key_function(" \n")
self.assertTrue(callable(keyfn))
ids = [n['id'] for n in sorted(self.nodes, key=keyfn)]
self.assertEqual([0, 1, 2, 3, 4, 5, 6, 7], ids)
def test_with_zone_zero(self):
keyfn = utils.affinity_key_function("r4z0=1")
ids = [n['id'] for n in sorted(self.nodes, key=keyfn)]
self.assertEqual([6, 0, 1, 2, 3, 4, 5, 7], ids)
def test_multiple(self):
keyfn = utils.affinity_key_function("r1=100, r4=200, r3z1=1")
ids = [n['id'] for n in sorted(self.nodes, key=keyfn)]
self.assertEqual([4, 0, 1, 6, 7, 2, 3, 5], ids)
def test_more_specific_after_less_specific(self):
keyfn = utils.affinity_key_function("r2=100, r2z2=50")
ids = [n['id'] for n in sorted(self.nodes, key=keyfn)]
self.assertEqual([3, 2, 0, 1, 4, 5, 6, 7], ids)
class TestAffinityLocalityPredicate(unittest.TestCase):
def setUp(self):
self.nodes = [dict(id=0, region=1, zone=1),
dict(id=1, region=1, zone=2),
dict(id=2, region=2, zone=1),
dict(id=3, region=2, zone=2),
dict(id=4, region=3, zone=1),
dict(id=5, region=3, zone=2),
dict(id=6, region=4, zone=0),
dict(id=7, region=4, zone=1)]
def test_empty(self):
pred = utils.affinity_locality_predicate('')
self.assertTrue(pred is None)
def test_region(self):
pred = utils.affinity_locality_predicate('r1')
self.assertTrue(callable(pred))
ids = [n['id'] for n in self.nodes if pred(n)]
self.assertEqual([0, 1], ids)
def test_zone(self):
pred = utils.affinity_locality_predicate('r1z1')
self.assertTrue(callable(pred))
ids = [n['id'] for n in self.nodes if pred(n)]
self.assertEqual([0], ids)
def test_multiple(self):
pred = utils.affinity_locality_predicate('r1, r3, r4z0')
self.assertTrue(callable(pred))
ids = [n['id'] for n in self.nodes if pred(n)]
self.assertEqual([0, 1, 4, 5, 6], ids)
def test_invalid(self):
self.assertRaises(ValueError,
utils.affinity_locality_predicate, 'falafel')
self.assertRaises(ValueError,
utils.affinity_locality_predicate, 'r8zQ')
self.assertRaises(ValueError,
utils.affinity_locality_predicate, 'r2d2')
self.assertRaises(ValueError,
utils.affinity_locality_predicate, 'r1z1=1')
class TestRateLimitedIterator(unittest.TestCase):
def run_under_pseudo_time(
self, func, *args, **kwargs):
curr_time = [42.0]
def my_time():
curr_time[0] += 0.001
return curr_time[0]
def my_sleep(duration):
curr_time[0] += 0.001
curr_time[0] += duration
with patch('time.time', my_time), \
patch('eventlet.sleep', my_sleep):
return func(*args, **kwargs)
def test_rate_limiting(self):
def testfunc():
limited_iterator = utils.RateLimitedIterator(range(9999), 100)
got = []
started_at = time.time()
try:
while time.time() - started_at < 0.1:
got.append(next(limited_iterator))
except StopIteration:
pass
return got
got = self.run_under_pseudo_time(testfunc)
# it's 11, not 10, because ratelimiting doesn't apply to the very
# first element.
self.assertEqual(len(got), 11)
def test_rate_limiting_sometimes(self):
def testfunc():
limited_iterator = utils.RateLimitedIterator(
range(9999), 100,
ratelimit_if=lambda item: item % 23 != 0)
got = []
started_at = time.time()
try:
while time.time() - started_at < 0.5:
got.append(next(limited_iterator))
except StopIteration:
pass
return got
got = self.run_under_pseudo_time(testfunc)
# we'd get 51 without the ratelimit_if, but because 0, 23 and 46
# weren't subject to ratelimiting, we get 54 instead
self.assertEqual(len(got), 54)
def test_limit_after(self):
def testfunc():
limited_iterator = utils.RateLimitedIterator(
range(9999), 100, limit_after=5)
got = []
started_at = time.time()
try:
while time.time() - started_at < 0.1:
got.append(next(limited_iterator))
except StopIteration:
pass
return got
got = self.run_under_pseudo_time(testfunc)
# it's 16, not 15, because ratelimiting doesn't apply to the very
# first element.
self.assertEqual(len(got), 16)
class TestGreenthreadSafeIterator(unittest.TestCase):
def increment(self, iterable):
plus_ones = []
for n in iterable:
plus_ones.append(n + 1)
return plus_ones
def test_setup_works(self):
# it should work without concurrent access
self.assertEqual([0, 1, 2, 3], list(UnsafeXrange(4)))
iterable = UnsafeXrange(10)
pile = eventlet.GreenPile(2)
for _ in range(2):
pile.spawn(self.increment, iterable)
sorted([resp for resp in pile])
self.assertTrue(
iterable.concurrent_call, 'test setup is insufficiently crazy')
def test_access_is_serialized(self):
pile = eventlet.GreenPile(2)
unsafe_iterable = UnsafeXrange(10)
iterable = utils.GreenthreadSafeIterator(unsafe_iterable)
for _ in range(2):
pile.spawn(self.increment, iterable)
response = sorted(sum([resp for resp in pile], []))
self.assertEqual(list(range(1, 11)), response)
self.assertTrue(
not unsafe_iterable.concurrent_call, 'concurrent call occurred')
class TestStatsdLoggingDelegation(unittest.TestCase):
def setUp(self):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sock.bind(('localhost', 0))
self.port = self.sock.getsockname()[1]
self.queue = Queue()
self.reader_thread = threading.Thread(target=self.statsd_reader)
self.reader_thread.setDaemon(1)
self.reader_thread.start()
def tearDown(self):
# The "no-op when disabled" test doesn't set up a real logger, so
# create one here so we can tell the reader thread to stop.
if not getattr(self, 'logger', None):
self.logger = utils.get_logger({
'log_statsd_host': 'localhost',
'log_statsd_port': str(self.port),
}, 'some-name')
self.logger.increment('STOP')
self.reader_thread.join(timeout=4)
self.sock.close()
del self.logger
def statsd_reader(self):
while True:
try:
payload = self.sock.recv(4096)
if payload and b'STOP' in payload:
return 42
self.queue.put(payload)
except Exception as e:
sys.stderr.write('statsd_reader thread: %r' % (e,))
break
def _send_and_get(self, sender_fn, *args, **kwargs):
"""
Because the client library may not actually send a packet with
sample_rate < 1, we keep trying until we get one through.
"""
got = None
while not got:
sender_fn(*args, **kwargs)
try:
got = self.queue.get(timeout=0.5)
except Empty:
pass
return got
def assertStat(self, expected, sender_fn, *args, **kwargs):
got = self._send_and_get(sender_fn, *args, **kwargs)
if six.PY3:
got = got.decode('utf-8')
return self.assertEqual(expected, got)
def assertStatMatches(self, expected_regexp, sender_fn, *args, **kwargs):
got = self._send_and_get(sender_fn, *args, **kwargs)
if six.PY3:
got = got.decode('utf-8')
return self.assertTrue(re.search(expected_regexp, got),
[got, expected_regexp])
def test_methods_are_no_ops_when_not_enabled(self):
logger = utils.get_logger({
# No "log_statsd_host" means "disabled"
'log_statsd_port': str(self.port),
}, 'some-name')
# Delegate methods are no-ops
self.assertIsNone(logger.update_stats('foo', 88))
self.assertIsNone(logger.update_stats('foo', 88, 0.57))
self.assertIsNone(logger.update_stats('foo', 88,
sample_rate=0.61))
self.assertIsNone(logger.increment('foo'))
self.assertIsNone(logger.increment('foo', 0.57))
self.assertIsNone(logger.increment('foo', sample_rate=0.61))
self.assertIsNone(logger.decrement('foo'))
self.assertIsNone(logger.decrement('foo', 0.57))
self.assertIsNone(logger.decrement('foo', sample_rate=0.61))
self.assertIsNone(logger.timing('foo', 88.048))
self.assertIsNone(logger.timing('foo', 88.57, 0.34))
self.assertIsNone(logger.timing('foo', 88.998, sample_rate=0.82))
self.assertIsNone(logger.timing_since('foo', 8938))
self.assertIsNone(logger.timing_since('foo', 8948, 0.57))
self.assertIsNone(logger.timing_since('foo', 849398,
sample_rate=0.61))
# Now, the queue should be empty (no UDP packets sent)
self.assertRaises(Empty, self.queue.get_nowait)
def test_delegate_methods_with_no_default_sample_rate(self):
self.logger = utils.get_logger({
'log_statsd_host': 'localhost',
'log_statsd_port': str(self.port),
}, 'some-name')
self.assertStat('some-name.some.counter:1|c', self.logger.increment,
'some.counter')
self.assertStat('some-name.some.counter:-1|c', self.logger.decrement,
'some.counter')
self.assertStat('some-name.some.operation:4900.0|ms',
self.logger.timing, 'some.operation', 4.9 * 1000)
self.assertStatMatches('some-name\.another\.operation:\d+\.\d+\|ms',
self.logger.timing_since, 'another.operation',
time.time())
self.assertStat('some-name.another.counter:42|c',
self.logger.update_stats, 'another.counter', 42)
# Each call can override the sample_rate (also, bonus prefix test)
self.logger.set_statsd_prefix('pfx')
self.assertStat('pfx.some.counter:1|c|@0.972', self.logger.increment,
'some.counter', sample_rate=0.972)
self.assertStat('pfx.some.counter:-1|c|@0.972', self.logger.decrement,
'some.counter', sample_rate=0.972)
self.assertStat('pfx.some.operation:4900.0|ms|@0.972',
self.logger.timing, 'some.operation', 4.9 * 1000,
sample_rate=0.972)
self.assertStatMatches('pfx\.another\.op:\d+\.\d+\|ms|@0.972',
self.logger.timing_since, 'another.op',
time.time(), sample_rate=0.972)
self.assertStat('pfx.another.counter:3|c|@0.972',
self.logger.update_stats, 'another.counter', 3,
sample_rate=0.972)
# Can override sample_rate with non-keyword arg
self.logger.set_statsd_prefix('')
self.assertStat('some.counter:1|c|@0.939', self.logger.increment,
'some.counter', 0.939)
self.assertStat('some.counter:-1|c|@0.939', self.logger.decrement,
'some.counter', 0.939)
self.assertStat('some.operation:4900.0|ms|@0.939',
self.logger.timing, 'some.operation',
4.9 * 1000, 0.939)
self.assertStatMatches('another\.op:\d+\.\d+\|ms|@0.939',
self.logger.timing_since, 'another.op',
time.time(), 0.939)
self.assertStat('another.counter:3|c|@0.939',
self.logger.update_stats, 'another.counter', 3, 0.939)
def test_delegate_methods_with_default_sample_rate(self):
self.logger = utils.get_logger({
'log_statsd_host': 'localhost',
'log_statsd_port': str(self.port),
'log_statsd_default_sample_rate': '0.93',
}, 'pfx')
self.assertStat('pfx.some.counter:1|c|@0.93', self.logger.increment,
'some.counter')
self.assertStat('pfx.some.counter:-1|c|@0.93', self.logger.decrement,
'some.counter')
self.assertStat('pfx.some.operation:4760.0|ms|@0.93',
self.logger.timing, 'some.operation', 4.76 * 1000)
self.assertStatMatches('pfx\.another\.op:\d+\.\d+\|ms|@0.93',
self.logger.timing_since, 'another.op',
time.time())
self.assertStat('pfx.another.counter:3|c|@0.93',
self.logger.update_stats, 'another.counter', 3)
# Each call can override the sample_rate
self.assertStat('pfx.some.counter:1|c|@0.9912', self.logger.increment,
'some.counter', sample_rate=0.9912)
self.assertStat('pfx.some.counter:-1|c|@0.9912', self.logger.decrement,
'some.counter', sample_rate=0.9912)
self.assertStat('pfx.some.operation:4900.0|ms|@0.9912',
self.logger.timing, 'some.operation', 4.9 * 1000,
sample_rate=0.9912)
self.assertStatMatches('pfx\.another\.op:\d+\.\d+\|ms|@0.9912',
self.logger.timing_since, 'another.op',
time.time(), sample_rate=0.9912)
self.assertStat('pfx.another.counter:3|c|@0.9912',
self.logger.update_stats, 'another.counter', 3,
sample_rate=0.9912)
# Can override sample_rate with non-keyword arg
self.logger.set_statsd_prefix('')
self.assertStat('some.counter:1|c|@0.987654', self.logger.increment,
'some.counter', 0.987654)
self.assertStat('some.counter:-1|c|@0.987654', self.logger.decrement,
'some.counter', 0.987654)
self.assertStat('some.operation:4900.0|ms|@0.987654',
self.logger.timing, 'some.operation',
4.9 * 1000, 0.987654)
self.assertStatMatches('another\.op:\d+\.\d+\|ms|@0.987654',
self.logger.timing_since, 'another.op',
time.time(), 0.987654)
self.assertStat('another.counter:3|c|@0.987654',
self.logger.update_stats, 'another.counter',
3, 0.987654)
def test_delegate_methods_with_metric_prefix(self):
self.logger = utils.get_logger({
'log_statsd_host': 'localhost',
'log_statsd_port': str(self.port),
'log_statsd_metric_prefix': 'alpha.beta',
}, 'pfx')
self.assertStat('alpha.beta.pfx.some.counter:1|c',
self.logger.increment, 'some.counter')
self.assertStat('alpha.beta.pfx.some.counter:-1|c',
self.logger.decrement, 'some.counter')
self.assertStat('alpha.beta.pfx.some.operation:4760.0|ms',
self.logger.timing, 'some.operation', 4.76 * 1000)
self.assertStatMatches(
'alpha\.beta\.pfx\.another\.op:\d+\.\d+\|ms',
self.logger.timing_since, 'another.op', time.time())
self.assertStat('alpha.beta.pfx.another.counter:3|c',
self.logger.update_stats, 'another.counter', 3)
self.logger.set_statsd_prefix('')
self.assertStat('alpha.beta.some.counter:1|c|@0.9912',
self.logger.increment, 'some.counter',
sample_rate=0.9912)
self.assertStat('alpha.beta.some.counter:-1|c|@0.9912',
self.logger.decrement, 'some.counter', 0.9912)
self.assertStat('alpha.beta.some.operation:4900.0|ms|@0.9912',
self.logger.timing, 'some.operation', 4.9 * 1000,
sample_rate=0.9912)
self.assertStatMatches('alpha\.beta\.another\.op:\d+\.\d+\|ms|@0.9912',
self.logger.timing_since, 'another.op',
time.time(), sample_rate=0.9912)
self.assertStat('alpha.beta.another.counter:3|c|@0.9912',
self.logger.update_stats, 'another.counter', 3,
sample_rate=0.9912)
@reset_logger_state
def test_thread_locals(self):
logger = utils.get_logger(None)
# test the setter
logger.thread_locals = ('id', 'ip')
self.assertEqual(logger.thread_locals, ('id', 'ip'))
# reset
logger.thread_locals = (None, None)
self.assertEqual(logger.thread_locals, (None, None))
logger.txn_id = '1234'
logger.client_ip = '1.2.3.4'
self.assertEqual(logger.thread_locals, ('1234', '1.2.3.4'))
logger.txn_id = '5678'
logger.client_ip = '5.6.7.8'
self.assertEqual(logger.thread_locals, ('5678', '5.6.7.8'))
def test_no_fdatasync(self):
called = []
class NoFdatasync(object):
pass
def fsync(fd):
called.append(fd)
with patch('swift.common.utils.os', NoFdatasync()):
with patch('swift.common.utils.fsync', fsync):
utils.fdatasync(12345)
self.assertEqual(called, [12345])
def test_yes_fdatasync(self):
called = []
class YesFdatasync(object):
def fdatasync(self, fd):
called.append(fd)
with patch('swift.common.utils.os', YesFdatasync()):
utils.fdatasync(12345)
self.assertEqual(called, [12345])
def test_fsync_bad_fullsync(self):
class FCNTL(object):
F_FULLSYNC = 123
def fcntl(self, fd, op):
raise IOError(18)
with patch('swift.common.utils.fcntl', FCNTL()):
self.assertRaises(OSError, lambda: utils.fsync(12345))
def test_fsync_f_fullsync(self):
called = []
class FCNTL(object):
F_FULLSYNC = 123
def fcntl(self, fd, op):
called[:] = [fd, op]
return 0
with patch('swift.common.utils.fcntl', FCNTL()):
utils.fsync(12345)
self.assertEqual(called, [12345, 123])
def test_fsync_no_fullsync(self):
called = []
class FCNTL(object):
pass
def fsync(fd):
called.append(fd)
with patch('swift.common.utils.fcntl', FCNTL()):
with patch('os.fsync', fsync):
utils.fsync(12345)
self.assertEqual(called, [12345])
class TestAuditLocationGenerator(unittest.TestCase):
def test_drive_tree_access(self):
orig_listdir = utils.listdir
def _mock_utils_listdir(path):
if 'bad_part' in path:
raise OSError(errno.EACCES)
elif 'bad_suffix' in path:
raise OSError(errno.EACCES)
elif 'bad_hash' in path:
raise OSError(errno.EACCES)
else:
return orig_listdir(path)
# Check Raise on Bad partition
tmpdir = mkdtemp()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
obj_path = os.path.join(data, "bad_part")
with open(obj_path, "w"):
pass
part1 = os.path.join(data, "partition1")
os.makedirs(part1)
part2 = os.path.join(data, "partition2")
os.makedirs(part2)
with patch('swift.common.utils.listdir', _mock_utils_listdir):
audit = lambda: list(utils.audit_location_generator(
tmpdir, "data", mount_check=False))
self.assertRaises(OSError, audit)
rmtree(tmpdir)
# Check Raise on Bad Suffix
tmpdir = mkdtemp()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
part1 = os.path.join(data, "partition1")
os.makedirs(part1)
part2 = os.path.join(data, "partition2")
os.makedirs(part2)
obj_path = os.path.join(part1, "bad_suffix")
with open(obj_path, 'w'):
pass
suffix = os.path.join(part2, "suffix")
os.makedirs(suffix)
with patch('swift.common.utils.listdir', _mock_utils_listdir):
audit = lambda: list(utils.audit_location_generator(
tmpdir, "data", mount_check=False))
self.assertRaises(OSError, audit)
rmtree(tmpdir)
# Check Raise on Bad Hash
tmpdir = mkdtemp()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
part1 = os.path.join(data, "partition1")
os.makedirs(part1)
suffix = os.path.join(part1, "suffix")
os.makedirs(suffix)
hash1 = os.path.join(suffix, "hash1")
os.makedirs(hash1)
obj_path = os.path.join(suffix, "bad_hash")
with open(obj_path, 'w'):
pass
with patch('swift.common.utils.listdir', _mock_utils_listdir):
audit = lambda: list(utils.audit_location_generator(
tmpdir, "data", mount_check=False))
self.assertRaises(OSError, audit)
rmtree(tmpdir)
def test_non_dir_drive(self):
with temptree([]) as tmpdir:
logger = FakeLogger()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
# Create a file, that represents a non-dir drive
open(os.path.join(tmpdir, 'asdf'), 'w')
locations = utils.audit_location_generator(
tmpdir, "data", mount_check=False, logger=logger
)
self.assertEqual(list(locations), [])
self.assertEqual(1, len(logger.get_lines_for_level('warning')))
# Test without the logger
locations = utils.audit_location_generator(
tmpdir, "data", mount_check=False
)
self.assertEqual(list(locations), [])
def test_mount_check_drive(self):
with temptree([]) as tmpdir:
logger = FakeLogger()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
# Create a file, that represents a non-dir drive
open(os.path.join(tmpdir, 'asdf'), 'w')
locations = utils.audit_location_generator(
tmpdir, "data", mount_check=True, logger=logger
)
self.assertEqual(list(locations), [])
self.assertEqual(2, len(logger.get_lines_for_level('warning')))
# Test without the logger
locations = utils.audit_location_generator(
tmpdir, "data", mount_check=True
)
self.assertEqual(list(locations), [])
def test_non_dir_contents(self):
with temptree([]) as tmpdir:
logger = FakeLogger()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
with open(os.path.join(data, "partition1"), "w"):
pass
partition = os.path.join(data, "partition2")
os.makedirs(partition)
with open(os.path.join(partition, "suffix1"), "w"):
pass
suffix = os.path.join(partition, "suffix2")
os.makedirs(suffix)
with open(os.path.join(suffix, "hash1"), "w"):
pass
locations = utils.audit_location_generator(
tmpdir, "data", mount_check=False, logger=logger
)
self.assertEqual(list(locations), [])
def test_find_objects(self):
with temptree([]) as tmpdir:
expected_objs = list()
logger = FakeLogger()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
# Create a file, that represents a non-dir drive
open(os.path.join(tmpdir, 'asdf'), 'w')
partition = os.path.join(data, "partition1")
os.makedirs(partition)
suffix = os.path.join(partition, "suffix")
os.makedirs(suffix)
hash_path = os.path.join(suffix, "hash")
os.makedirs(hash_path)
obj_path = os.path.join(hash_path, "obj1.db")
with open(obj_path, "w"):
pass
expected_objs.append((obj_path, 'drive', 'partition1'))
partition = os.path.join(data, "partition2")
os.makedirs(partition)
suffix = os.path.join(partition, "suffix2")
os.makedirs(suffix)
hash_path = os.path.join(suffix, "hash2")
os.makedirs(hash_path)
obj_path = os.path.join(hash_path, "obj2.db")
with open(obj_path, "w"):
pass
expected_objs.append((obj_path, 'drive', 'partition2'))
locations = utils.audit_location_generator(
tmpdir, "data", mount_check=False, logger=logger
)
got_objs = list(locations)
self.assertEqual(len(got_objs), len(expected_objs))
self.assertEqual(sorted(got_objs), sorted(expected_objs))
self.assertEqual(1, len(logger.get_lines_for_level('warning')))
def test_ignore_metadata(self):
with temptree([]) as tmpdir:
logger = FakeLogger()
data = os.path.join(tmpdir, "drive", "data")
os.makedirs(data)
partition = os.path.join(data, "partition2")
os.makedirs(partition)
suffix = os.path.join(partition, "suffix2")
os.makedirs(suffix)
hash_path = os.path.join(suffix, "hash2")
os.makedirs(hash_path)
obj_path = os.path.join(hash_path, "obj1.dat")
with open(obj_path, "w"):
pass
meta_path = os.path.join(hash_path, "obj1.meta")
with open(meta_path, "w"):
pass
locations = utils.audit_location_generator(
tmpdir, "data", ".dat", mount_check=False, logger=logger
)
self.assertEqual(list(locations),
[(obj_path, "drive", "partition2")])
class TestGreenAsyncPile(unittest.TestCase):
def test_runs_everything(self):
def run_test():
tests_ran[0] += 1
return tests_ran[0]
tests_ran = [0]
pile = utils.GreenAsyncPile(3)
for x in range(3):
pile.spawn(run_test)
self.assertEqual(sorted(x for x in pile), [1, 2, 3])
def test_is_asynchronous(self):
def run_test(index):
events[index].wait()
return index
pile = utils.GreenAsyncPile(3)
for order in ((1, 2, 0), (0, 1, 2), (2, 1, 0), (0, 2, 1)):
events = [eventlet.event.Event(), eventlet.event.Event(),
eventlet.event.Event()]
for x in range(3):
pile.spawn(run_test, x)
for x in order:
events[x].send()
self.assertEqual(next(pile), x)
def test_next_when_empty(self):
def run_test():
pass
pile = utils.GreenAsyncPile(3)
pile.spawn(run_test)
self.assertIsNone(next(pile))
self.assertRaises(StopIteration, lambda: next(pile))
def test_waitall_timeout_timesout(self):
def run_test(sleep_duration):
eventlet.sleep(sleep_duration)
completed[0] += 1
return sleep_duration
completed = [0]
pile = utils.GreenAsyncPile(3)
pile.spawn(run_test, 0.1)
pile.spawn(run_test, 1.0)
self.assertEqual(pile.waitall(0.5), [0.1])
self.assertEqual(completed[0], 1)
def test_waitall_timeout_completes(self):
def run_test(sleep_duration):
eventlet.sleep(sleep_duration)
completed[0] += 1
return sleep_duration
completed = [0]
pile = utils.GreenAsyncPile(3)
pile.spawn(run_test, 0.1)
pile.spawn(run_test, 0.1)
self.assertEqual(pile.waitall(0.5), [0.1, 0.1])
self.assertEqual(completed[0], 2)
def test_waitfirst_only_returns_first(self):
def run_test(name):
eventlet.sleep(0)
completed.append(name)
return name
completed = []
pile = utils.GreenAsyncPile(3)
pile.spawn(run_test, 'first')
pile.spawn(run_test, 'second')
pile.spawn(run_test, 'third')
self.assertEqual(pile.waitfirst(0.5), completed[0])
# 3 still completed, but only the first was returned.
self.assertEqual(3, len(completed))
def test_wait_with_firstn(self):
def run_test(name):
eventlet.sleep(0)
completed.append(name)
return name
for first_n in [None] + list(range(6)):
completed = []
pile = utils.GreenAsyncPile(10)
for i in range(10):
pile.spawn(run_test, i)
actual = pile._wait(1, first_n)
expected_n = first_n if first_n else 10
self.assertEqual(completed[:expected_n], actual)
self.assertEqual(10, len(completed))
def test_pending(self):
pile = utils.GreenAsyncPile(3)
self.assertEqual(0, pile._pending)
for repeats in range(2):
# repeat to verify that pending will go again up after going down
for i in range(4):
pile.spawn(lambda: i)
self.assertEqual(4, pile._pending)
for i in range(3, -1, -1):
next(pile)
self.assertEqual(i, pile._pending)
# sanity check - the pile is empty
self.assertRaises(StopIteration, pile.next)
# pending remains 0
self.assertEqual(0, pile._pending)
class TestLRUCache(unittest.TestCase):
def test_maxsize(self):
@utils.LRUCache(maxsize=10)
def f(*args):
return math.sqrt(*args)
_orig_math_sqrt = math.sqrt
# setup cache [0-10)
for i in range(10):
self.assertEqual(math.sqrt(i), f(i))
self.assertEqual(f.size(), 10)
# validate cache [0-10)
with patch('math.sqrt'):
for i in range(10):
self.assertEqual(_orig_math_sqrt(i), f(i))
self.assertEqual(f.size(), 10)
# update cache [10-20)
for i in range(10, 20):
self.assertEqual(math.sqrt(i), f(i))
# cache size is fixed
self.assertEqual(f.size(), 10)
# validate cache [10-20)
with patch('math.sqrt'):
for i in range(10, 20):
self.assertEqual(_orig_math_sqrt(i), f(i))
# validate un-cached [0-10)
with patch('math.sqrt', new=None):
for i in range(10):
self.assertRaises(TypeError, f, i)
# cache unchanged
self.assertEqual(f.size(), 10)
with patch('math.sqrt'):
for i in range(10, 20):
self.assertEqual(_orig_math_sqrt(i), f(i))
self.assertEqual(f.size(), 10)
def test_maxtime(self):
@utils.LRUCache(maxtime=30)
def f(*args):
return math.sqrt(*args)
self.assertEqual(30, f.maxtime)
_orig_math_sqrt = math.sqrt
now = time.time()
the_future = now + 31
# setup cache [0-10)
with patch('time.time', lambda: now):
for i in range(10):
self.assertEqual(math.sqrt(i), f(i))
self.assertEqual(f.size(), 10)
# validate cache [0-10)
with patch('math.sqrt'):
for i in range(10):
self.assertEqual(_orig_math_sqrt(i), f(i))
self.assertEqual(f.size(), 10)
# validate expired [0-10)
with patch('math.sqrt', new=None):
with patch('time.time', lambda: the_future):
for i in range(10):
self.assertRaises(TypeError, f, i)
# validate repopulates [0-10)
with patch('time.time', lambda: the_future):
for i in range(10):
self.assertEqual(math.sqrt(i), f(i))
# reuses cache space
self.assertEqual(f.size(), 10)
def test_set_maxtime(self):
@utils.LRUCache(maxtime=30)
def f(*args):
return math.sqrt(*args)
self.assertEqual(30, f.maxtime)
self.assertEqual(2, f(4))
self.assertEqual(1, f.size())
# expire everything
f.maxtime = -1
# validate un-cached [0-10)
with patch('math.sqrt', new=None):
self.assertRaises(TypeError, f, 4)
def test_set_maxsize(self):
@utils.LRUCache(maxsize=10)
def f(*args):
return math.sqrt(*args)
for i in range(12):
f(i)
self.assertEqual(f.size(), 10)
f.maxsize = 4
for i in range(12):
f(i)
self.assertEqual(f.size(), 4)
class TestSpliterator(unittest.TestCase):
def test_string(self):
input_chunks = ["coun", "ter-", "b", "ra", "nch-mater",
"nit", "y-fungusy", "-nummular"]
si = utils.Spliterator(input_chunks)
self.assertEqual(''.join(si.take(8)), "counter-")
self.assertEqual(''.join(si.take(7)), "branch-")
self.assertEqual(''.join(si.take(10)), "maternity-")
self.assertEqual(''.join(si.take(8)), "fungusy-")
self.assertEqual(''.join(si.take(8)), "nummular")
def test_big_input_string(self):
input_chunks = ["iridium"]
si = utils.Spliterator(input_chunks)
self.assertEqual(''.join(si.take(2)), "ir")
self.assertEqual(''.join(si.take(1)), "i")
self.assertEqual(''.join(si.take(2)), "di")
self.assertEqual(''.join(si.take(1)), "u")
self.assertEqual(''.join(si.take(1)), "m")
def test_chunk_boundaries(self):
input_chunks = ["soylent", "green", "is", "people"]
si = utils.Spliterator(input_chunks)
self.assertEqual(''.join(si.take(7)), "soylent")
self.assertEqual(''.join(si.take(5)), "green")
self.assertEqual(''.join(si.take(2)), "is")
self.assertEqual(''.join(si.take(6)), "people")
def test_no_empty_strings(self):
input_chunks = ["soylent", "green", "is", "people"]
si = utils.Spliterator(input_chunks)
outputs = (list(si.take(7)) # starts and ends on chunk boundary
+ list(si.take(2)) # spans two chunks
+ list(si.take(3)) # begins but does not end chunk
+ list(si.take(2)) # ends but does not begin chunk
+ list(si.take(6))) # whole chunk + EOF
self.assertNotIn('', outputs)
def test_running_out(self):
input_chunks = ["not much"]
si = utils.Spliterator(input_chunks)
self.assertEqual(''.join(si.take(4)), "not ")
self.assertEqual(''.join(si.take(99)), "much") # short
self.assertEqual(''.join(si.take(4)), "")
self.assertEqual(''.join(si.take(4)), "")
def test_overlap(self):
input_chunks = ["one fish", "two fish", "red fish", "blue fish"]
si = utils.Spliterator(input_chunks)
t1 = si.take(20) # longer than first chunk
self.assertLess(len(next(t1)), 20) # it's not exhausted
t2 = si.take(20)
self.assertRaises(ValueError, next, t2)
def test_closing(self):
input_chunks = ["abcd", "efg", "hij"]
si = utils.Spliterator(input_chunks)
it = si.take(3) # shorter than first chunk
self.assertEqual(next(it), 'abc')
it.close()
self.assertEqual(list(si.take(20)), ['d', 'efg', 'hij'])
si = utils.Spliterator(input_chunks)
self.assertEqual(list(si.take(1)), ['a'])
it = si.take(1) # still shorter than first chunk
self.assertEqual(next(it), 'b')
it.close()
self.assertEqual(list(si.take(20)), ['cd', 'efg', 'hij'])
si = utils.Spliterator(input_chunks)
it = si.take(6) # longer than first chunk, shorter than first + second
self.assertEqual(next(it), 'abcd')
self.assertEqual(next(it), 'ef')
it.close()
self.assertEqual(list(si.take(20)), ['g', 'hij'])
si = utils.Spliterator(input_chunks)
self.assertEqual(list(si.take(2)), ['ab'])
it = si.take(3) # longer than rest of chunk
self.assertEqual(next(it), 'cd')
it.close()
self.assertEqual(list(si.take(20)), ['efg', 'hij'])
class TestParseContentRange(unittest.TestCase):
def test_good(self):
start, end, total = utils.parse_content_range("bytes 100-200/300")
self.assertEqual(start, 100)
self.assertEqual(end, 200)
self.assertEqual(total, 300)
def test_bad(self):
self.assertRaises(ValueError, utils.parse_content_range,
"100-300/500")
self.assertRaises(ValueError, utils.parse_content_range,
"bytes 100-200/aardvark")
self.assertRaises(ValueError, utils.parse_content_range,
"bytes bulbous-bouffant/4994801")
class TestParseContentDisposition(unittest.TestCase):
def test_basic_content_type(self):
name, attrs = utils.parse_content_disposition('text/plain')
self.assertEqual(name, 'text/plain')
self.assertEqual(attrs, {})
def test_content_type_with_charset(self):
name, attrs = utils.parse_content_disposition(
'text/plain; charset=UTF8')
self.assertEqual(name, 'text/plain')
self.assertEqual(attrs, {'charset': 'UTF8'})
def test_content_disposition(self):
name, attrs = utils.parse_content_disposition(
'form-data; name="somefile"; filename="test.html"')
self.assertEqual(name, 'form-data')
self.assertEqual(attrs, {'name': 'somefile', 'filename': 'test.html'})
def test_content_disposition_without_white_space(self):
name, attrs = utils.parse_content_disposition(
'form-data;name="somefile";filename="test.html"')
self.assertEqual(name, 'form-data')
self.assertEqual(attrs, {'name': 'somefile', 'filename': 'test.html'})
class TestIterMultipartMimeDocuments(unittest.TestCase):
def test_bad_start(self):
it = utils.iter_multipart_mime_documents(BytesIO(b'blah'), b'unique')
exc = None
try:
next(it)
except MimeInvalid as err:
exc = err
self.assertTrue('invalid starting boundary' in str(exc))
self.assertTrue('--unique' in str(exc))
def test_empty(self):
it = utils.iter_multipart_mime_documents(BytesIO(b'--unique'),
b'unique')
fp = next(it)
self.assertEqual(fp.read(), b'')
self.assertRaises(StopIteration, next, it)
def test_basic(self):
it = utils.iter_multipart_mime_documents(
BytesIO(b'--unique\r\nabcdefg\r\n--unique--'), b'unique')
fp = next(it)
self.assertEqual(fp.read(), b'abcdefg')
self.assertRaises(StopIteration, next, it)
def test_basic2(self):
it = utils.iter_multipart_mime_documents(
BytesIO(b'--unique\r\nabcdefg\r\n--unique\r\nhijkl\r\n--unique--'),
b'unique')
fp = next(it)
self.assertEqual(fp.read(), b'abcdefg')
fp = next(it)
self.assertEqual(fp.read(), b'hijkl')
self.assertRaises(StopIteration, next, it)
def test_tiny_reads(self):
it = utils.iter_multipart_mime_documents(
BytesIO(b'--unique\r\nabcdefg\r\n--unique\r\nhijkl\r\n--unique--'),
b'unique')
fp = next(it)
self.assertEqual(fp.read(2), b'ab')
self.assertEqual(fp.read(2), b'cd')
self.assertEqual(fp.read(2), b'ef')
self.assertEqual(fp.read(2), b'g')
self.assertEqual(fp.read(2), b'')
fp = next(it)
self.assertEqual(fp.read(), b'hijkl')
self.assertRaises(StopIteration, next, it)
def test_big_reads(self):
it = utils.iter_multipart_mime_documents(
BytesIO(b'--unique\r\nabcdefg\r\n--unique\r\nhijkl\r\n--unique--'),
b'unique')
fp = next(it)
self.assertEqual(fp.read(65536), b'abcdefg')
self.assertEqual(fp.read(), b'')
fp = next(it)
self.assertEqual(fp.read(), b'hijkl')
self.assertRaises(StopIteration, next, it)
def test_leading_crlfs(self):
it = utils.iter_multipart_mime_documents(
BytesIO(b'\r\n\r\n\r\n--unique\r\nabcdefg\r\n'
b'--unique\r\nhijkl\r\n--unique--'),
b'unique')
fp = next(it)
self.assertEqual(fp.read(65536), b'abcdefg')
self.assertEqual(fp.read(), b'')
fp = next(it)
self.assertEqual(fp.read(), b'hijkl')
self.assertRaises(StopIteration, next, it)
def test_broken_mid_stream(self):
# We go ahead and accept whatever is sent instead of rejecting the
# whole request, in case the partial form is still useful.
it = utils.iter_multipart_mime_documents(
BytesIO(b'--unique\r\nabc'), b'unique')
fp = next(it)
self.assertEqual(fp.read(), b'abc')
self.assertRaises(StopIteration, next, it)
def test_readline(self):
it = utils.iter_multipart_mime_documents(
BytesIO(b'--unique\r\nab\r\ncd\ref\ng\r\n--unique\r\nhi\r\n\r\n'
b'jkl\r\n\r\n--unique--'), b'unique')
fp = next(it)
self.assertEqual(fp.readline(), b'ab\r\n')
self.assertEqual(fp.readline(), b'cd\ref\ng')
self.assertEqual(fp.readline(), b'')
fp = next(it)
self.assertEqual(fp.readline(), b'hi\r\n')
self.assertEqual(fp.readline(), b'\r\n')
self.assertEqual(fp.readline(), b'jkl\r\n')
self.assertRaises(StopIteration, next, it)
def test_readline_with_tiny_chunks(self):
it = utils.iter_multipart_mime_documents(
BytesIO(b'--unique\r\nab\r\ncd\ref\ng\r\n--unique\r\nhi\r\n'
b'\r\njkl\r\n\r\n--unique--'),
b'unique',
read_chunk_size=2)
fp = next(it)
self.assertEqual(fp.readline(), b'ab\r\n')
self.assertEqual(fp.readline(), b'cd\ref\ng')
self.assertEqual(fp.readline(), b'')
fp = next(it)
self.assertEqual(fp.readline(), b'hi\r\n')
self.assertEqual(fp.readline(), b'\r\n')
self.assertEqual(fp.readline(), b'jkl\r\n')
self.assertRaises(StopIteration, next, it)
class TestParseMimeHeaders(unittest.TestCase):
def test_parse_mime_headers(self):
doc_file = BytesIO(b"""Content-Disposition: form-data; name="file_size"
Foo: Bar
NOT-title-cAsED: quux
Connexion: =?iso8859-1?q?r=E9initialis=E9e_par_l=27homologue?=
Status: =?utf-8?b?5byA5aeL6YCa6L+H5a+56LGh5aSN5Yi2?=
Latin-1: Resincronizaci\xf3n realizada con \xe9xito
Utf-8: \xd0\xba\xd0\xbe\xd0\xbd\xd1\x82\xd0\xb5\xd0\xb9\xd0\xbd\xd0\xb5\xd1\x80
This is the body
""")
headers = utils.parse_mime_headers(doc_file)
utf8 = u'\u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440'
if six.PY2:
utf8 = utf8.encode('utf-8')
expected_headers = {
'Content-Disposition': 'form-data; name="file_size"',
'Foo': "Bar",
'Not-Title-Cased': "quux",
# Encoded-word or non-ASCII values are treated just like any other
# bytestring (at least for now)
'Connexion': "=?iso8859-1?q?r=E9initialis=E9e_par_l=27homologue?=",
'Status': "=?utf-8?b?5byA5aeL6YCa6L+H5a+56LGh5aSN5Yi2?=",
'Latin-1': "Resincronizaci\xf3n realizada con \xe9xito",
'Utf-8': utf8,
}
self.assertEqual(expected_headers, headers)
self.assertEqual(b"This is the body\n", doc_file.read())
class FakeResponse(object):
def __init__(self, status, headers, body):
self.status = status
self.headers = HeaderKeyDict(headers)
self.body = StringIO(body)
def getheader(self, header_name):
return str(self.headers.get(header_name, ''))
def getheaders(self):
return self.headers.items()
def read(self, length=None):
return self.body.read(length)
def readline(self, length=None):
return self.body.readline(length)
class TestDocumentItersToHTTPResponseBody(unittest.TestCase):
def test_no_parts(self):
body = utils.document_iters_to_http_response_body(
iter([]), 'dontcare',
multipart=False, logger=FakeLogger())
self.assertEqual(body, '')
def test_single_part(self):
body = "time flies like an arrow; fruit flies like a banana"
doc_iters = [{'part_iter': iter(StringIO(body).read, '')}]
resp_body = ''.join(
utils.document_iters_to_http_response_body(
iter(doc_iters), 'dontcare',
multipart=False, logger=FakeLogger()))
self.assertEqual(resp_body, body)
def test_multiple_parts(self):
part1 = "two peanuts were walking down a railroad track"
part2 = "and one was a salted. ... peanut."
doc_iters = [{
'start_byte': 88,
'end_byte': 133,
'content_type': 'application/peanut',
'entity_length': 1024,
'part_iter': iter(StringIO(part1).read, ''),
}, {
'start_byte': 500,
'end_byte': 532,
'content_type': 'application/salted',
'entity_length': 1024,
'part_iter': iter(StringIO(part2).read, ''),
}]
resp_body = ''.join(
utils.document_iters_to_http_response_body(
iter(doc_iters), 'boundaryboundary',
multipart=True, logger=FakeLogger()))
self.assertEqual(resp_body, (
"--boundaryboundary\r\n" +
# This is a little too strict; we don't actually care that the
# headers are in this order, but the test is much more legible
# this way.
"Content-Type: application/peanut\r\n" +
"Content-Range: bytes 88-133/1024\r\n" +
"\r\n" +
part1 + "\r\n" +
"--boundaryboundary\r\n"
"Content-Type: application/salted\r\n" +
"Content-Range: bytes 500-532/1024\r\n" +
"\r\n" +
part2 + "\r\n" +
"--boundaryboundary--"))
def test_closed_part_iterator(self):
print('test')
useful_iter_mock = mock.MagicMock()
useful_iter_mock.__iter__.return_value = ['']
body_iter = utils.document_iters_to_http_response_body(
iter([{'part_iter': useful_iter_mock}]), 'dontcare',
multipart=False, logger=FakeLogger())
body = ''
for s in body_iter:
body += s
self.assertEqual(body, '')
useful_iter_mock.close.assert_called_once_with()
# Calling "close" on the mock will now raise an AttributeError
del useful_iter_mock.close
body_iter = utils.document_iters_to_http_response_body(
iter([{'part_iter': useful_iter_mock}]), 'dontcare',
multipart=False, logger=FakeLogger())
body = ''
for s in body_iter:
body += s
class TestPairs(unittest.TestCase):
def test_pairs(self):
items = [10, 20, 30, 40, 50, 60]
got_pairs = set(utils.pairs(items))
self.assertEqual(got_pairs,
set([(10, 20), (10, 30), (10, 40), (10, 50), (10, 60),
(20, 30), (20, 40), (20, 50), (20, 60),
(30, 40), (30, 50), (30, 60),
(40, 50), (40, 60),
(50, 60)]))
class TestSocketStringParser(unittest.TestCase):
def test_socket_string_parser(self):
default = 1337
addrs = [('1.2.3.4', '1.2.3.4', default),
('1.2.3.4:5000', '1.2.3.4', 5000),
('[dead:beef::1]', 'dead:beef::1', default),
('[dead:beef::1]:5000', 'dead:beef::1', 5000),
('example.com', 'example.com', default),
('example.com:5000', 'example.com', 5000),
('foo.1-2-3.bar.com:5000', 'foo.1-2-3.bar.com', 5000),
('1.2.3.4:10:20', None, None),
('dead:beef::1:5000', None, None)]
for addr, expected_host, expected_port in addrs:
if expected_host:
host, port = utils.parse_socket_string(addr, default)
self.assertEqual(expected_host, host)
self.assertEqual(expected_port, int(port))
else:
with self.assertRaises(ValueError):
utils.parse_socket_string(addr, default)
class TestHashForFileFunction(unittest.TestCase):
def setUp(self):
self.tempfilename = tempfile.mktemp()
def tearDown(self):
try:
os.unlink(self.tempfilename)
except OSError:
pass
def test_hash_for_file_smallish(self):
stub_data = b'some data'
with open(self.tempfilename, 'wb') as fd:
fd.write(stub_data)
with mock.patch('swift.common.utils.md5') as mock_md5:
mock_hasher = mock_md5.return_value
rv = utils.md5_hash_for_file(self.tempfilename)
self.assertTrue(mock_hasher.hexdigest.called)
self.assertEqual(rv, mock_hasher.hexdigest.return_value)
self.assertEqual([mock.call(stub_data)],
mock_hasher.update.call_args_list)
def test_hash_for_file_big(self):
num_blocks = 10
block_size = utils.MD5_BLOCK_READ_BYTES
truncate = 523
start_char = ord('a')
expected_blocks = [chr(i).encode('utf8') * block_size
for i in range(start_char, start_char + num_blocks)]
full_data = b''.join(expected_blocks)
trimmed_data = full_data[:-truncate]
# sanity
self.assertEqual(len(trimmed_data), block_size * num_blocks - truncate)
with open(self.tempfilename, 'wb') as fd:
fd.write(trimmed_data)
with mock.patch('swift.common.utils.md5') as mock_md5:
mock_hasher = mock_md5.return_value
rv = utils.md5_hash_for_file(self.tempfilename)
self.assertTrue(mock_hasher.hexdigest.called)
self.assertEqual(rv, mock_hasher.hexdigest.return_value)
self.assertEqual(num_blocks, len(mock_hasher.update.call_args_list))
found_blocks = []
for i, (expected_block, call) in enumerate(zip(
expected_blocks, mock_hasher.update.call_args_list)):
args, kwargs = call
self.assertEqual(kwargs, {})
self.assertEqual(1, len(args))
block = args[0]
if i < num_blocks - 1:
self.assertEqual(block, expected_block)
else:
self.assertEqual(block, expected_block[:-truncate])
found_blocks.append(block)
self.assertEqual(b''.join(found_blocks), trimmed_data)
def test_hash_for_file_empty(self):
with open(self.tempfilename, 'wb'):
pass
with mock.patch('swift.common.utils.md5') as mock_md5:
mock_hasher = mock_md5.return_value
rv = utils.md5_hash_for_file(self.tempfilename)
self.assertTrue(mock_hasher.hexdigest.called)
self.assertIs(rv, mock_hasher.hexdigest.return_value)
self.assertEqual([], mock_hasher.update.call_args_list)
def test_hash_for_file_brittle(self):
data_to_expected_hash = {
b'': 'd41d8cd98f00b204e9800998ecf8427e',
b'some data': '1e50210a0202497fb79bc38b6ade6c34',
(b'a' * 4096 * 10)[:-523]: '06a41551609656c85f14f659055dc6d3',
}
# unlike some other places where the concrete implementation really
# matters for backwards compatibility these brittle tests are probably
# not needed or justified, if a future maintainer rips them out later
# they're probably doing the right thing
failures = []
for stub_data, expected_hash in data_to_expected_hash.items():
with open(self.tempfilename, 'wb') as fd:
fd.write(stub_data)
rv = utils.md5_hash_for_file(self.tempfilename)
try:
self.assertEqual(expected_hash, rv)
except AssertionError:
trim_cap = 80
if len(stub_data) > trim_cap:
stub_data = '%s...<truncated>' % stub_data[:trim_cap]
failures.append('hash for %r was %s instead of expected %s' % (
stub_data, rv, expected_hash))
if failures:
self.fail('Some data did not compute expected hash:\n' +
'\n'.join(failures))
class TestFsHasFreeSpace(unittest.TestCase):
def test_bytes(self):
fake_result = posix.statvfs_result([
4096, # f_bsize
4096, # f_frsize
2854907, # f_blocks
1984802, # f_bfree (free blocks for root)
1728089, # f_bavail (free blocks for non-root)
1280000, # f_files
1266040, # f_ffree,
1266040, # f_favail,
4096, # f_flag
255, # f_namemax
])
with mock.patch('os.statvfs', return_value=fake_result):
self.assertTrue(utils.fs_has_free_space("/", 0, False))
self.assertTrue(utils.fs_has_free_space("/", 1, False))
# free space left = f_bavail * f_bsize = 7078252544
self.assertTrue(utils.fs_has_free_space("/", 7078252544, False))
self.assertFalse(utils.fs_has_free_space("/", 7078252545, False))
self.assertFalse(utils.fs_has_free_space("/", 2 ** 64, False))
def test_percent(self):
fake_result = posix.statvfs_result([
4096, # f_bsize
4096, # f_frsize
2854907, # f_blocks
1984802, # f_bfree (free blocks for root)
1728089, # f_bavail (free blocks for non-root)
1280000, # f_files
1266040, # f_ffree,
1266040, # f_favail,
4096, # f_flag
255, # f_namemax
])
with mock.patch('os.statvfs', return_value=fake_result):
self.assertTrue(utils.fs_has_free_space("/", 0, True))
self.assertTrue(utils.fs_has_free_space("/", 1, True))
# percentage of free space for the faked statvfs is 60%
self.assertTrue(utils.fs_has_free_space("/", 60, True))
self.assertFalse(utils.fs_has_free_space("/", 61, True))
self.assertFalse(utils.fs_has_free_space("/", 100, True))
self.assertFalse(utils.fs_has_free_space("/", 110, True))
class TestSetSwiftDir(unittest.TestCase):
def setUp(self):
self.swift_dir = tempfile.mkdtemp()
self.swift_conf = os.path.join(self.swift_dir, 'swift.conf')
self.policy_name = ''.join(random.sample(string.ascii_letters, 20))
with open(self.swift_conf, "wt") as sc:
sc.write('''
[swift-hash]
swift_hash_path_suffix = changeme
[storage-policy:0]
name = default
default = yes
[storage-policy:1]
name = %s
''' % self.policy_name)
def tearDown(self):
shutil.rmtree(self.swift_dir, ignore_errors=True)
def test_set_swift_dir(self):
set_swift_dir(None)
reload_storage_policies()
self.assertIsNone(POLICIES.get_by_name(self.policy_name))
set_swift_dir(self.swift_dir)
reload_storage_policies()
self.assertIsNotNone(POLICIES.get_by_name(self.policy_name))
class TestPipeMutex(unittest.TestCase):
def setUp(self):
self.mutex = utils.PipeMutex()
def tearDown(self):
self.mutex.close()
def test_nonblocking(self):
evt_lock1 = eventlet.event.Event()
evt_lock2 = eventlet.event.Event()
evt_unlock = eventlet.event.Event()
def get_the_lock():
self.mutex.acquire()
evt_lock1.send('got the lock')
evt_lock2.wait()
self.mutex.release()
evt_unlock.send('released the lock')
eventlet.spawn(get_the_lock)
evt_lock1.wait() # Now, the other greenthread has the lock.
self.assertFalse(self.mutex.acquire(blocking=False))
evt_lock2.send('please release the lock')
evt_unlock.wait() # The other greenthread has released the lock.
self.assertTrue(self.mutex.acquire(blocking=False))
def test_recursive(self):
self.assertTrue(self.mutex.acquire(blocking=False))
self.assertTrue(self.mutex.acquire(blocking=False))
def try_acquire_lock():
return self.mutex.acquire(blocking=False)
self.assertFalse(eventlet.spawn(try_acquire_lock).wait())
self.mutex.release()
self.assertFalse(eventlet.spawn(try_acquire_lock).wait())
self.mutex.release()
self.assertTrue(eventlet.spawn(try_acquire_lock).wait())
def test_release_without_acquire(self):
self.assertRaises(RuntimeError, self.mutex.release)
def test_too_many_releases(self):
self.mutex.acquire()
self.mutex.release()
self.assertRaises(RuntimeError, self.mutex.release)
def test_wrong_releaser(self):
self.mutex.acquire()
with quiet_eventlet_exceptions():
self.assertRaises(RuntimeError,
eventlet.spawn(self.mutex.release).wait)
def test_blocking(self):
evt = eventlet.event.Event()
sequence = []
def coro1():
eventlet.sleep(0) # let coro2 go
self.mutex.acquire()
sequence.append('coro1 acquire')
evt.send('go')
self.mutex.release()
sequence.append('coro1 release')
def coro2():
evt.wait() # wait for coro1 to start us
self.mutex.acquire()
sequence.append('coro2 acquire')
self.mutex.release()
sequence.append('coro2 release')
c1 = eventlet.spawn(coro1)
c2 = eventlet.spawn(coro2)
c1.wait()
c2.wait()
self.assertEqual(sequence, [
'coro1 acquire',
'coro1 release',
'coro2 acquire',
'coro2 release'])
def test_blocking_tpool(self):
# Note: this test's success isn't a guarantee that the mutex is
# working. However, this test's failure means that the mutex is
# definitely broken.
sequence = []
def do_stuff():
n = 10
while n > 0:
self.mutex.acquire()
sequence.append("<")
eventlet.sleep(0.0001)
sequence.append(">")
self.mutex.release()
n -= 1
greenthread1 = eventlet.spawn(do_stuff)
greenthread2 = eventlet.spawn(do_stuff)
real_thread1 = eventlet.patcher.original('threading').Thread(
target=do_stuff)
real_thread1.start()
real_thread2 = eventlet.patcher.original('threading').Thread(
target=do_stuff)
real_thread2.start()
greenthread1.wait()
greenthread2.wait()
real_thread1.join()
real_thread2.join()
self.assertEqual(''.join(sequence), "<>" * 40)
def test_blocking_preserves_ownership(self):
pthread1_event = eventlet.patcher.original('threading').Event()
pthread2_event1 = eventlet.patcher.original('threading').Event()
pthread2_event2 = eventlet.patcher.original('threading').Event()
thread_id = []
owner = []
def pthread1():
thread_id.append(id(eventlet.greenthread.getcurrent()))
self.mutex.acquire()
owner.append(self.mutex.owner)
pthread2_event1.set()
orig_os_write = utils.os.write
def patched_os_write(*a, **kw):
try:
return orig_os_write(*a, **kw)
finally:
pthread1_event.wait()
with mock.patch.object(utils.os, 'write', patched_os_write):
self.mutex.release()
pthread2_event2.set()
def pthread2():
pthread2_event1.wait() # ensure pthread1 acquires lock first
thread_id.append(id(eventlet.greenthread.getcurrent()))
self.mutex.acquire()
pthread1_event.set()
pthread2_event2.wait()
owner.append(self.mutex.owner)
self.mutex.release()
real_thread1 = eventlet.patcher.original('threading').Thread(
target=pthread1)
real_thread1.start()
real_thread2 = eventlet.patcher.original('threading').Thread(
target=pthread2)
real_thread2.start()
real_thread1.join()
real_thread2.join()
self.assertEqual(thread_id, owner)
self.assertIsNone(self.mutex.owner)
@classmethod
def tearDownClass(cls):
# PipeMutex turns this off when you instantiate one
eventlet.debug.hub_prevent_multiple_readers(True)
class TestDistributeEvenly(unittest.TestCase):
def test_evenly_divided(self):
out = utils.distribute_evenly(range(12), 3)
self.assertEqual(out, [
[0, 3, 6, 9],
[1, 4, 7, 10],
[2, 5, 8, 11],
])
out = utils.distribute_evenly(range(12), 4)
self.assertEqual(out, [
[0, 4, 8],
[1, 5, 9],
[2, 6, 10],
[3, 7, 11],
])
def test_uneven(self):
out = utils.distribute_evenly(range(11), 3)
self.assertEqual(out, [
[0, 3, 6, 9],
[1, 4, 7, 10],
[2, 5, 8],
])
def test_just_one(self):
out = utils.distribute_evenly(range(5), 1)
self.assertEqual(out, [[0, 1, 2, 3, 4]])
def test_more_buckets_than_items(self):
out = utils.distribute_evenly(range(5), 7)
self.assertEqual(out, [[0], [1], [2], [3], [4], [], []])
class TestShardRange(unittest.TestCase):
def setUp(self):
self.ts_iter = make_timestamp_iter()
def test_min_max_bounds(self):
# max
self.assertEqual(utils.ShardRange.MAX, utils.ShardRange.MAX)
self.assertFalse(utils.ShardRange.MAX > utils.ShardRange.MAX)
self.assertFalse(utils.ShardRange.MAX < utils.ShardRange.MAX)
for val in 'z', u'\u00e4':
self.assertFalse(utils.ShardRange.MAX == val)
self.assertFalse(val > utils.ShardRange.MAX)
self.assertTrue(val < utils.ShardRange.MAX)
self.assertTrue(utils.ShardRange.MAX > val)
self.assertFalse(utils.ShardRange.MAX < val)
self.assertEqual('', str(utils.ShardRange.MAX))
self.assertFalse(utils.ShardRange.MAX)
self.assertTrue(utils.ShardRange.MAX == utils.ShardRange.MAX)
self.assertFalse(utils.ShardRange.MAX != utils.ShardRange.MAX)
self.assertTrue(
utils.ShardRange.MaxBound() == utils.ShardRange.MaxBound())
self.assertFalse(
utils.ShardRange.MaxBound() != utils.ShardRange.MaxBound())
# min
self.assertEqual(utils.ShardRange.MIN, utils.ShardRange.MIN)
self.assertFalse(utils.ShardRange.MIN > utils.ShardRange.MIN)
self.assertFalse(utils.ShardRange.MIN < utils.ShardRange.MIN)
for val in 'z', u'\u00e4':
self.assertFalse(utils.ShardRange.MIN == val)
self.assertFalse(val < utils.ShardRange.MIN)
self.assertTrue(val > utils.ShardRange.MIN)
self.assertTrue(utils.ShardRange.MIN < val)
self.assertFalse(utils.ShardRange.MIN > val)
self.assertFalse(utils.ShardRange.MIN)
self.assertEqual('', str(utils.ShardRange.MIN))
self.assertFalse(utils.ShardRange.MIN)
self.assertTrue(utils.ShardRange.MIN == utils.ShardRange.MIN)
self.assertFalse(utils.ShardRange.MIN != utils.ShardRange.MIN)
self.assertTrue(
utils.ShardRange.MinBound() == utils.ShardRange.MinBound())
self.assertFalse(
utils.ShardRange.MinBound() != utils.ShardRange.MinBound())
self.assertFalse(utils.ShardRange.MAX == utils.ShardRange.MIN)
self.assertFalse(utils.ShardRange.MIN == utils.ShardRange.MAX)
self.assertTrue(utils.ShardRange.MAX != utils.ShardRange.MIN)
self.assertTrue(utils.ShardRange.MIN != utils.ShardRange.MAX)
self.assertEqual(utils.ShardRange.MAX,
max(utils.ShardRange.MIN, utils.ShardRange.MAX))
self.assertEqual(utils.ShardRange.MIN,
min(utils.ShardRange.MIN, utils.ShardRange.MAX))
def test_shard_range_initialisation(self):
def assert_initialisation_ok(params, expected):
pr = utils.ShardRange(**params)
self.assertDictEqual(dict(pr), expected)
def assert_initialisation_fails(params, err_type=ValueError):
with self.assertRaises(err_type):
utils.ShardRange(**params)
ts_1 = next(self.ts_iter)
ts_2 = next(self.ts_iter)
ts_3 = next(self.ts_iter)
ts_4 = next(self.ts_iter)
empty_run = dict(name=None, timestamp=None, lower=None,
upper=None, object_count=0, bytes_used=0,
meta_timestamp=None, deleted=0,
state=utils.ShardRange.FOUND, state_timestamp=None,
epoch=None)
# name, timestamp must be given
assert_initialisation_fails(empty_run.copy())
assert_initialisation_fails(dict(empty_run, name='a/c'), TypeError)
assert_initialisation_fails(dict(empty_run, timestamp=ts_1))
# name must be form a/c
assert_initialisation_fails(dict(empty_run, name='c', timestamp=ts_1))
assert_initialisation_fails(dict(empty_run, name='', timestamp=ts_1))
assert_initialisation_fails(dict(empty_run, name='/a/c',
timestamp=ts_1))
assert_initialisation_fails(dict(empty_run, name='/c',
timestamp=ts_1))
# lower, upper can be None
expect = dict(name='a/c', timestamp=ts_1.internal, lower='',
upper='', object_count=0, bytes_used=0,
meta_timestamp=ts_1.internal, deleted=0,
state=utils.ShardRange.FOUND,
state_timestamp=ts_1.internal, epoch=None)
assert_initialisation_ok(dict(empty_run, name='a/c', timestamp=ts_1),
expect)
assert_initialisation_ok(dict(name='a/c', timestamp=ts_1), expect)
good_run = dict(name='a/c', timestamp=ts_1, lower='l',
upper='u', object_count=2, bytes_used=10,
meta_timestamp=ts_2, deleted=0,
state=utils.ShardRange.CREATED,
state_timestamp=ts_3.internal, epoch=ts_4)
expect.update({'lower': 'l', 'upper': 'u', 'object_count': 2,
'bytes_used': 10, 'meta_timestamp': ts_2.internal,
'state': utils.ShardRange.CREATED,
'state_timestamp': ts_3.internal, 'epoch': ts_4})
assert_initialisation_ok(good_run.copy(), expect)
# obj count and bytes used as int strings
good_str_run = good_run.copy()
good_str_run.update({'object_count': '2', 'bytes_used': '10'})
assert_initialisation_ok(good_str_run, expect)
good_no_meta = good_run.copy()
good_no_meta.pop('meta_timestamp')
assert_initialisation_ok(good_no_meta,
dict(expect, meta_timestamp=ts_1.internal))
good_deleted = good_run.copy()
good_deleted['deleted'] = 1
assert_initialisation_ok(good_deleted,
dict(expect, deleted=1))
assert_initialisation_fails(dict(good_run, timestamp='water balloon'))
assert_initialisation_fails(
dict(good_run, meta_timestamp='water balloon'))
assert_initialisation_fails(dict(good_run, lower='water balloon'))
assert_initialisation_fails(dict(good_run, upper='balloon'))
assert_initialisation_fails(
dict(good_run, object_count='water balloon'))
assert_initialisation_fails(dict(good_run, bytes_used='water ballon'))
assert_initialisation_fails(dict(good_run, object_count=-1))
assert_initialisation_fails(dict(good_run, bytes_used=-1))
assert_initialisation_fails(dict(good_run, state=-1))
assert_initialisation_fails(dict(good_run, state_timestamp='not a ts'))
assert_initialisation_fails(dict(good_run, name='/a/c'))
assert_initialisation_fails(dict(good_run, name='/a/c/'))
assert_initialisation_fails(dict(good_run, name='a/c/'))
assert_initialisation_fails(dict(good_run, name='a'))
assert_initialisation_fails(dict(good_run, name=''))
def _check_to_from_dict(self, lower, upper):
ts_1 = next(self.ts_iter)
ts_2 = next(self.ts_iter)
ts_3 = next(self.ts_iter)
ts_4 = next(self.ts_iter)
sr = utils.ShardRange('a/test', ts_1, lower, upper, 10, 100, ts_2,
state=None, state_timestamp=ts_3, epoch=ts_4)
sr_dict = dict(sr)
expected = {
'name': 'a/test', 'timestamp': ts_1.internal, 'lower': lower,
'upper': upper, 'object_count': 10, 'bytes_used': 100,
'meta_timestamp': ts_2.internal, 'deleted': 0,
'state': utils.ShardRange.FOUND, 'state_timestamp': ts_3.internal,
'epoch': ts_4}
self.assertEqual(expected, sr_dict)
self.assertIsInstance(sr_dict['lower'], six.string_types)
self.assertIsInstance(sr_dict['upper'], six.string_types)
sr_new = utils.ShardRange.from_dict(sr_dict)
self.assertEqual(sr, sr_new)
self.assertEqual(sr_dict, dict(sr_new))
sr_new = utils.ShardRange(**sr_dict)
self.assertEqual(sr, sr_new)
self.assertEqual(sr_dict, dict(sr_new))
for key in sr_dict:
bad_dict = dict(sr_dict)
bad_dict.pop(key)
with self.assertRaises(KeyError):
utils.ShardRange.from_dict(bad_dict)
# But __init__ still (generally) works!
if key not in ('name', 'timestamp'):
utils.ShardRange(**bad_dict)
else:
with self.assertRaises(TypeError):
utils.ShardRange(**bad_dict)
def test_to_from_dict(self):
self._check_to_from_dict('l', 'u')
self._check_to_from_dict('', '')
def test_timestamp_setter(self):
ts_1 = next(self.ts_iter)
sr = utils.ShardRange('a/test', ts_1, 'l', 'u', 0, 0, None)
self.assertEqual(ts_1, sr.timestamp)
ts_2 = next(self.ts_iter)
sr.timestamp = ts_2
self.assertEqual(ts_2, sr.timestamp)
sr.timestamp = 0
self.assertEqual(utils.Timestamp(0), sr.timestamp)
with self.assertRaises(TypeError):
sr.timestamp = None
def test_meta_timestamp_setter(self):
ts_1 = next(self.ts_iter)
sr = utils.ShardRange('a/test', ts_1, 'l', 'u', 0, 0, None)
self.assertEqual(ts_1, sr.timestamp)
self.assertEqual(ts_1, sr.meta_timestamp)
ts_2 = next(self.ts_iter)
sr.meta_timestamp = ts_2
self.assertEqual(ts_1, sr.timestamp)
self.assertEqual(ts_2, sr.meta_timestamp)
ts_3 = next(self.ts_iter)
sr.timestamp = ts_3
self.assertEqual(ts_3, sr.timestamp)
self.assertEqual(ts_2, sr.meta_timestamp)
# meta_timestamp defaults to tracking timestamp
sr.meta_timestamp = None
self.assertEqual(ts_3, sr.timestamp)
self.assertEqual(ts_3, sr.meta_timestamp)
ts_4 = next(self.ts_iter)
sr.timestamp = ts_4
self.assertEqual(ts_4, sr.timestamp)
self.assertEqual(ts_4, sr.meta_timestamp)
sr.meta_timestamp = 0
self.assertEqual(ts_4, sr.timestamp)
self.assertEqual(utils.Timestamp(0), sr.meta_timestamp)
def test_update_meta(self):
ts_1 = next(self.ts_iter)
sr = utils.ShardRange('a/test', ts_1, 'l', 'u', 0, 0, None)
with mock_timestamp_now(next(self.ts_iter)) as now:
sr.update_meta(9, 99)
self.assertEqual(9, sr.object_count)
self.assertEqual(99, sr.bytes_used)
self.assertEqual(now, sr.meta_timestamp)
with mock_timestamp_now(next(self.ts_iter)) as now:
sr.update_meta(99, 999, None)
self.assertEqual(99, sr.object_count)
self.assertEqual(999, sr.bytes_used)
self.assertEqual(now, sr.meta_timestamp)
ts_2 = next(self.ts_iter)
sr.update_meta(21, 2112, ts_2)
self.assertEqual(21, sr.object_count)
self.assertEqual(2112, sr.bytes_used)
self.assertEqual(ts_2, sr.meta_timestamp)
sr.update_meta('11', '12')
self.assertEqual(11, sr.object_count)
self.assertEqual(12, sr.bytes_used)
def check_bad_args(*args):
with self.assertRaises(ValueError):
sr.update_meta(*args)
check_bad_args('bad', 10)
check_bad_args(10, 'bad')
check_bad_args(10, 11, 'bad')
def test_increment_meta(self):
ts_1 = next(self.ts_iter)
sr = utils.ShardRange('a/test', ts_1, 'l', 'u', 1, 2, None)
with mock_timestamp_now(next(self.ts_iter)) as now:
sr.increment_meta(9, 99)
self.assertEqual(10, sr.object_count)
self.assertEqual(101, sr.bytes_used)
self.assertEqual(now, sr.meta_timestamp)
sr.increment_meta('11', '12')
self.assertEqual(21, sr.object_count)
self.assertEqual(113, sr.bytes_used)
def check_bad_args(*args):
with self.assertRaises(ValueError):
sr.increment_meta(*args)
check_bad_args('bad', 10)
check_bad_args(10, 'bad')
def test_state_timestamp_setter(self):
ts_1 = next(self.ts_iter)
sr = utils.ShardRange('a/test', ts_1, 'l', 'u', 0, 0, None)
self.assertEqual(ts_1, sr.timestamp)
self.assertEqual(ts_1, sr.state_timestamp)
ts_2 = next(self.ts_iter)
sr.state_timestamp = ts_2
self.assertEqual(ts_1, sr.timestamp)
self.assertEqual(ts_2, sr.state_timestamp)
ts_3 = next(self.ts_iter)
sr.timestamp = ts_3
self.assertEqual(ts_3, sr.timestamp)
self.assertEqual(ts_2, sr.state_timestamp)
# state_timestamp defaults to tracking timestamp
sr.state_timestamp = None
self.assertEqual(ts_3, sr.timestamp)
self.assertEqual(ts_3, sr.state_timestamp)
ts_4 = next(self.ts_iter)
sr.timestamp = ts_4
self.assertEqual(ts_4, sr.timestamp)
self.assertEqual(ts_4, sr.state_timestamp)
sr.state_timestamp = 0
self.assertEqual(ts_4, sr.timestamp)
self.assertEqual(utils.Timestamp(0), sr.state_timestamp)
def test_state_setter(self):
for state in utils.ShardRange.STATES:
for test_value in (state, str(state)):
sr = utils.ShardRange('a/test', next(self.ts_iter), 'l', 'u')
sr.state = test_value
actual = sr.state
self.assertEqual(
state, actual,
'Expected %s but got %s for %s' %
(state, actual, test_value)
)
for bad_state in (max(utils.ShardRange.STATES) + 1,
-1, 99, None, 'stringy', 1.1):
sr = utils.ShardRange('a/test', next(self.ts_iter), 'l', 'u')
with self.assertRaises(ValueError) as cm:
sr.state = bad_state
self.assertIn('Invalid state', str(cm.exception))
def test_update_state(self):
sr = utils.ShardRange('a/c', next(self.ts_iter))
old_sr = sr.copy()
self.assertEqual(utils.ShardRange.FOUND, sr.state)
self.assertEqual(dict(sr), dict(old_sr)) # sanity check
for state in utils.ShardRange.STATES:
if state == utils.ShardRange.FOUND:
continue
self.assertTrue(sr.update_state(state))
self.assertEqual(dict(old_sr, state=state), dict(sr))
self.assertFalse(sr.update_state(state))
self.assertEqual(dict(old_sr, state=state), dict(sr))
sr = utils.ShardRange('a/c', next(self.ts_iter))
old_sr = sr.copy()
for state in utils.ShardRange.STATES:
ts = next(self.ts_iter)
self.assertTrue(sr.update_state(state, state_timestamp=ts))
self.assertEqual(dict(old_sr, state=state, state_timestamp=ts),
dict(sr))
def test_resolve_state(self):
for name, number in utils.ShardRange.STATES_BY_NAME.items():
self.assertEqual(
(number, name), utils.ShardRange.resolve_state(name))
self.assertEqual(
(number, name), utils.ShardRange.resolve_state(name.upper()))
self.assertEqual(
(number, name), utils.ShardRange.resolve_state(name.title()))
self.assertEqual(
(number, name), utils.ShardRange.resolve_state(number))
def check_bad_value(value):
with self.assertRaises(ValueError) as cm:
utils.ShardRange.resolve_state(value)
self.assertIn('Invalid state %r' % value, str(cm.exception))
check_bad_value(min(utils.ShardRange.STATES) - 1)
check_bad_value(max(utils.ShardRange.STATES) + 1)
check_bad_value('badstate')
def test_epoch_setter(self):
sr = utils.ShardRange('a/c', next(self.ts_iter))
self.assertIsNone(sr.epoch)
ts = next(self.ts_iter)
sr.epoch = ts
self.assertEqual(ts, sr.epoch)
ts = next(self.ts_iter)
sr.epoch = ts.internal
self.assertEqual(ts, sr.epoch)
sr.epoch = None
self.assertIsNone(sr.epoch)
with self.assertRaises(ValueError):
sr.epoch = 'bad'
def test_deleted_setter(self):
sr = utils.ShardRange('a/c', next(self.ts_iter))
for val in (True, 1):
sr.deleted = val
self.assertIs(True, sr.deleted)
for val in (False, 0, None):
sr.deleted = val
self.assertIs(False, sr.deleted)
def test_set_deleted(self):
sr = utils.ShardRange('a/c', next(self.ts_iter))
# initialise other timestamps
sr.update_state(utils.ShardRange.ACTIVE,
state_timestamp=utils.Timestamp.now())
sr.update_meta(1, 2)
old_sr = sr.copy()
self.assertIs(False, sr.deleted) # sanity check
self.assertEqual(dict(sr), dict(old_sr)) # sanity check
with mock_timestamp_now(next(self.ts_iter)) as now:
self.assertTrue(sr.set_deleted())
self.assertEqual(now, sr.timestamp)
self.assertIs(True, sr.deleted)
old_sr_dict = dict(old_sr)
old_sr_dict.pop('deleted')
old_sr_dict.pop('timestamp')
sr_dict = dict(sr)
sr_dict.pop('deleted')
sr_dict.pop('timestamp')
self.assertEqual(old_sr_dict, sr_dict)
# no change
self.assertFalse(sr.set_deleted())
self.assertEqual(now, sr.timestamp)
self.assertIs(True, sr.deleted)
# force timestamp change
with mock_timestamp_now(next(self.ts_iter)) as now:
self.assertTrue(sr.set_deleted(timestamp=now))
self.assertEqual(now, sr.timestamp)
self.assertIs(True, sr.deleted)
def test_lower_setter(self):
sr = utils.ShardRange('a/c', utils.Timestamp.now(), 'b', '')
# sanity checks
self.assertEqual('b', sr.lower)
self.assertEqual(sr.MAX, sr.upper)
def do_test(good_value, expected):
sr.lower = good_value
self.assertEqual(expected, sr.lower)
self.assertEqual(sr.MAX, sr.upper)
do_test(utils.ShardRange.MIN, utils.ShardRange.MIN)
do_test(utils.ShardRange.MAX, utils.ShardRange.MAX)
do_test('', utils.ShardRange.MIN)
do_test(u'', utils.ShardRange.MIN)
do_test(None, utils.ShardRange.MIN)
do_test('a', 'a')
do_test('y', 'y')
sr = utils.ShardRange('a/c', utils.Timestamp.now(), 'b', 'y')
sr.lower = ''
self.assertEqual(sr.MIN, sr.lower)
sr = utils.ShardRange('a/c', utils.Timestamp.now(), 'b', 'y')
with self.assertRaises(ValueError) as cm:
sr.lower = 'z'
self.assertIn("lower ('z') must be less than or equal to upper ('y')",
str(cm.exception))
self.assertEqual('b', sr.lower)
self.assertEqual('y', sr.upper)
def do_test(bad_value):
with self.assertRaises(TypeError) as cm:
sr.lower = bad_value
self.assertIn("lower must be a string", str(cm.exception))
self.assertEqual('b', sr.lower)
self.assertEqual('y', sr.upper)
do_test(1)
do_test(1.234)
def test_upper_setter(self):
sr = utils.ShardRange('a/c', utils.Timestamp.now(), '', 'y')
# sanity checks
self.assertEqual(sr.MIN, sr.lower)
self.assertEqual('y', sr.upper)
def do_test(good_value, expected):
sr.upper = good_value
self.assertEqual(expected, sr.upper)
self.assertEqual(sr.MIN, sr.lower)
do_test(utils.ShardRange.MIN, utils.ShardRange.MIN)
do_test(utils.ShardRange.MAX, utils.ShardRange.MAX)
do_test('', utils.ShardRange.MAX)
do_test(u'', utils.ShardRange.MAX)
do_test(None, utils.ShardRange.MAX)
do_test('z', 'z')
do_test('b', 'b')
sr = utils.ShardRange('a/c', utils.Timestamp.now(), 'b', 'y')
sr.upper = ''
self.assertEqual(sr.MAX, sr.upper)
sr = utils.ShardRange('a/c', utils.Timestamp.now(), 'b', 'y')
with self.assertRaises(ValueError) as cm:
sr.upper = 'a'
self.assertIn(
"upper ('a') must be greater than or equal to lower ('b')",
str(cm.exception))
self.assertEqual('b', sr.lower)
self.assertEqual('y', sr.upper)
def do_test(bad_value):
with self.assertRaises(TypeError) as cm:
sr.upper = bad_value
self.assertIn("upper must be a string", str(cm.exception))
self.assertEqual('b', sr.lower)
self.assertEqual('y', sr.upper)
do_test(1)
do_test(1.234)
def test_end_marker(self):
sr = utils.ShardRange('a/c', utils.Timestamp.now(), '', 'y')
self.assertEqual('y\x00', sr.end_marker)
sr = utils.ShardRange('a/c', utils.Timestamp.now(), '', '')
self.assertEqual('', sr.end_marker)
def test_bounds_serialization(self):
sr = utils.ShardRange('a/c', utils.Timestamp.now())
self.assertEqual('a/c', sr.name)
self.assertEqual(utils.ShardRange.MIN, sr.lower)
self.assertEqual('', sr.lower_str)
self.assertEqual(utils.ShardRange.MAX, sr.upper)
self.assertEqual('', sr.upper_str)
self.assertEqual('', sr.end_marker)
lower = u'\u00e4'
upper = u'\u00fb'
sr = utils.ShardRange('a/%s-%s' % (lower, upper),
utils.Timestamp.now(), lower, upper)
if six.PY3:
self.assertEqual(u'\u00e4', sr.lower)
self.assertEqual(u'\u00e4', sr.lower_str)
self.assertEqual(u'\u00fb', sr.upper)
self.assertEqual(u'\u00fb', sr.upper_str)
self.assertEqual(u'\u00fb\x00', sr.end_marker)
else:
self.assertEqual(u'\u00e4'.encode('utf8'), sr.lower)
self.assertEqual(u'\u00e4'.encode('utf8'), sr.lower_str)
self.assertEqual(u'\u00fb'.encode('utf8'), sr.upper)
self.assertEqual(u'\u00fb'.encode('utf8'), sr.upper_str)
self.assertEqual(u'\u00fb\x00'.encode('utf8'), sr.end_marker)
def test_entire_namespace(self):
# test entire range (no boundaries)
entire = utils.ShardRange('a/test', utils.Timestamp.now())
self.assertEqual(utils.ShardRange.MAX, entire.upper)
self.assertEqual(utils.ShardRange.MIN, entire.lower)
self.assertIs(True, entire.entire_namespace())
for x in range(100):
self.assertTrue(str(x) in entire)
self.assertTrue(chr(x) in entire)
for x in ('a', 'z', 'zzzz', '124fsdf', u'\u00e4'):
self.assertTrue(x in entire, '%r should be in %r' % (x, entire))
entire.lower = 'a'
self.assertIs(False, entire.entire_namespace())
def test_comparisons(self):
ts = utils.Timestamp.now().internal
# upper (if provided) *must* be greater than lower
with self.assertRaises(ValueError):
utils.ShardRange('f-a', ts, 'f', 'a')
# test basic boundaries
btoc = utils.ShardRange('a/b-c', ts, 'b', 'c')
atof = utils.ShardRange('a/a-f', ts, 'a', 'f')
ftol = utils.ShardRange('a/f-l', ts, 'f', 'l')
ltor = utils.ShardRange('a/l-r', ts, 'l', 'r')
rtoz = utils.ShardRange('a/r-z', ts, 'r', 'z')
lower = utils.ShardRange('a/lower', ts, '', 'mid')
upper = utils.ShardRange('a/upper', ts, 'mid', '')
entire = utils.ShardRange('a/test', utils.Timestamp.now())
# overlapping ranges
dtof = utils.ShardRange('a/d-f', ts, 'd', 'f')
dtom = utils.ShardRange('a/d-m', ts, 'd', 'm')
# test range > and <
# non-adjacent
self.assertFalse(rtoz < atof)
self.assertTrue(atof < ltor)
self.assertTrue(ltor > atof)
self.assertFalse(ftol > rtoz)
# adjacent
self.assertFalse(rtoz < ltor)
self.assertTrue(ltor < rtoz)
self.assertFalse(ltor > rtoz)
self.assertTrue(rtoz > ltor)
# wholly within
self.assertFalse(btoc < atof)
self.assertFalse(btoc > atof)
self.assertFalse(atof < btoc)
self.assertFalse(atof > btoc)
self.assertFalse(atof < dtof)
self.assertFalse(dtof > atof)
self.assertFalse(atof > dtof)
self.assertFalse(dtof < atof)
self.assertFalse(dtof < dtom)
self.assertFalse(dtof > dtom)
self.assertFalse(dtom > dtof)
self.assertFalse(dtom < dtof)
# overlaps
self.assertFalse(atof < dtom)
self.assertFalse(atof > dtom)
self.assertFalse(ltor > dtom)
# ranges including min/max bounds
self.assertTrue(upper > lower)
self.assertTrue(lower < upper)
self.assertFalse(upper < lower)
self.assertFalse(lower > upper)
self.assertFalse(lower < entire)
self.assertFalse(entire > lower)
self.assertFalse(lower > entire)
self.assertFalse(entire < lower)
self.assertFalse(upper < entire)
self.assertFalse(entire > upper)
self.assertFalse(upper > entire)
self.assertFalse(entire < upper)
self.assertFalse(entire < entire)
self.assertFalse(entire > entire)
# test range < and > to an item
# range is > lower and <= upper to lower boundary isn't
# actually included
self.assertTrue(ftol > 'f')
self.assertFalse(atof < 'f')
self.assertTrue(ltor < 'y')
self.assertFalse(ftol < 'f')
self.assertFalse(atof > 'f')
self.assertFalse(ltor > 'y')
self.assertTrue('f' < ftol)
self.assertFalse('f' > atof)
self.assertTrue('y' > ltor)
self.assertFalse('f' > ftol)
self.assertFalse('f' < atof)
self.assertFalse('y' < ltor)
# Now test ranges with only 1 boundary
start_to_l = utils.ShardRange('a/None-l', ts, '', 'l')
l_to_end = utils.ShardRange('a/l-None', ts, 'l', '')
for x in ('l', 'm', 'z', 'zzz1231sd'):
if x == 'l':
self.assertFalse(x in l_to_end)
self.assertFalse(start_to_l < x)
self.assertFalse(x > start_to_l)
else:
self.assertTrue(x in l_to_end)
self.assertTrue(start_to_l < x)
self.assertTrue(x > start_to_l)
# Now test some of the range to range checks with missing boundaries
self.assertFalse(atof < start_to_l)
self.assertFalse(start_to_l < entire)
# Now test ShardRange.overlaps(other)
self.assertTrue(atof.overlaps(atof))
self.assertFalse(atof.overlaps(ftol))
self.assertFalse(ftol.overlaps(atof))
self.assertTrue(atof.overlaps(dtof))
self.assertTrue(dtof.overlaps(atof))
self.assertFalse(dtof.overlaps(ftol))
self.assertTrue(dtom.overlaps(ftol))
self.assertTrue(ftol.overlaps(dtom))
self.assertFalse(start_to_l.overlaps(l_to_end))
def test_contains(self):
ts = utils.Timestamp.now().internal
lower = utils.ShardRange('a/-h', ts, '', 'h')
mid = utils.ShardRange('a/h-p', ts, 'h', 'p')
upper = utils.ShardRange('a/p-', ts, 'p', '')
entire = utils.ShardRange('a/all', ts, '', '')
self.assertTrue('a' in entire)
self.assertTrue('x' in entire)
# the empty string is not a valid object name, so it cannot be in any
# range
self.assertFalse('' in lower)
self.assertFalse('' in upper)
self.assertFalse('' in entire)
self.assertTrue('a' in lower)
self.assertTrue('h' in lower)
self.assertFalse('i' in lower)
self.assertFalse('h' in mid)
self.assertTrue('p' in mid)
self.assertFalse('p' in upper)
self.assertTrue('x' in upper)
self.assertIn(utils.ShardRange.MAX, entire)
self.assertNotIn(utils.ShardRange.MAX, lower)
self.assertIn(utils.ShardRange.MAX, upper)
# lower bound is excluded so MIN cannot be in any range.
self.assertNotIn(utils.ShardRange.MIN, entire)
self.assertNotIn(utils.ShardRange.MIN, upper)
self.assertNotIn(utils.ShardRange.MIN, lower)
def test_includes(self):
ts = utils.Timestamp.now().internal
_to_h = utils.ShardRange('a/-h', ts, '', 'h')
d_to_t = utils.ShardRange('a/d-t', ts, 'd', 't')
d_to_k = utils.ShardRange('a/d-k', ts, 'd', 'k')
e_to_l = utils.ShardRange('a/e-l', ts, 'e', 'l')
k_to_t = utils.ShardRange('a/k-t', ts, 'k', 't')
p_to_ = utils.ShardRange('a/p-', ts, 'p', '')
t_to_ = utils.ShardRange('a/t-', ts, 't', '')
entire = utils.ShardRange('a/all', ts, '', '')
self.assertTrue(entire.includes(entire))
self.assertTrue(d_to_t.includes(d_to_t))
self.assertTrue(_to_h.includes(_to_h))
self.assertTrue(p_to_.includes(p_to_))
self.assertTrue(entire.includes(_to_h))
self.assertTrue(entire.includes(d_to_t))
self.assertTrue(entire.includes(p_to_))
self.assertTrue(d_to_t.includes(d_to_k))
self.assertTrue(d_to_t.includes(e_to_l))
self.assertTrue(d_to_t.includes(k_to_t))
self.assertTrue(p_to_.includes(t_to_))
self.assertFalse(_to_h.includes(d_to_t))
self.assertFalse(p_to_.includes(d_to_t))
self.assertFalse(k_to_t.includes(d_to_k))
self.assertFalse(d_to_k.includes(e_to_l))
self.assertFalse(k_to_t.includes(e_to_l))
self.assertFalse(t_to_.includes(p_to_))
self.assertFalse(_to_h.includes(entire))
self.assertFalse(p_to_.includes(entire))
self.assertFalse(d_to_t.includes(entire))
def test_repr(self):
ts = next(self.ts_iter)
ts.offset = 1234
meta_ts = next(self.ts_iter)
state_ts = next(self.ts_iter)
sr = utils.ShardRange('a/c', ts, 'l', 'u', 100, 1000,
meta_timestamp=meta_ts,
state=utils.ShardRange.ACTIVE,
state_timestamp=state_ts)
self.assertEqual(
"ShardRange<'l' to 'u' as of %s, (100, 1000) as of %s, "
"active as of %s>"
% (ts.internal, meta_ts.internal, state_ts.internal), str(sr))
ts.offset = 0
meta_ts.offset = 2
state_ts.offset = 3
sr = utils.ShardRange('a/c', ts, '', '', 100, 1000,
meta_timestamp=meta_ts,
state=utils.ShardRange.FOUND,
state_timestamp=state_ts)
self.assertEqual(
"ShardRange<MinBound to MaxBound as of %s, (100, 1000) as of %s, "
"found as of %s>"
% (ts.internal, meta_ts.internal, state_ts.internal), str(sr))
def test_copy(self):
sr = utils.ShardRange('a/c', next(self.ts_iter), 'x', 'y', 99, 99000,
meta_timestamp=next(self.ts_iter),
state=utils.ShardRange.CREATED,
state_timestamp=next(self.ts_iter))
new = sr.copy()
self.assertEqual(dict(sr), dict(new))
new = sr.copy(deleted=1)
self.assertEqual(dict(sr, deleted=1), dict(new))
new_timestamp = next(self.ts_iter)
new = sr.copy(timestamp=new_timestamp)
self.assertEqual(dict(sr, timestamp=new_timestamp.internal,
meta_timestamp=new_timestamp.internal,
state_timestamp=new_timestamp.internal),
dict(new))
new = sr.copy(timestamp=new_timestamp, object_count=99)
self.assertEqual(dict(sr, timestamp=new_timestamp.internal,
meta_timestamp=new_timestamp.internal,
state_timestamp=new_timestamp.internal,
object_count=99),
dict(new))
def test_make_path(self):
ts = utils.Timestamp.now()
actual = utils.ShardRange.make_path('a', 'root', 'parent', ts, 0)
parent_hash = hashlib.md5(b'parent').hexdigest()
self.assertEqual('a/root-%s-%s-0' % (parent_hash, ts.internal), actual)
actual = utils.ShardRange.make_path('a', 'root', 'parent', ts, 3)
self.assertEqual('a/root-%s-%s-3' % (parent_hash, ts.internal), actual)
actual = utils.ShardRange.make_path('a', 'root', 'parent', ts, '3')
self.assertEqual('a/root-%s-%s-3' % (parent_hash, ts.internal), actual)
actual = utils.ShardRange.make_path(
'a', 'root', 'parent', ts.internal, '3')
self.assertEqual('a/root-%s-%s-3' % (parent_hash, ts.internal), actual)
actual = utils.ShardRange.make_path('a', 'root', 'parent', ts, 'foo')
self.assertEqual('a/root-%s-%s-foo' % (parent_hash, ts.internal),
actual)
@patch('ctypes.get_errno')
@patch.object(utils, '_sys_posix_fallocate')
@patch.object(utils, '_sys_fallocate')
@patch.object(utils, 'FALLOCATE_RESERVE', 0)
class TestFallocate(unittest.TestCase):
def test_fallocate(self, sys_fallocate_mock,
sys_posix_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = 0
utils.fallocate(1234, 5000 * 2 ** 20)
# We can't use sys_fallocate_mock.assert_called_once_with because no
# two ctypes.c_uint64 objects are equal even if their values are
# equal. Yes, ctypes.c_uint64(123) != ctypes.c_uint64(123).
calls = sys_fallocate_mock.mock_calls
self.assertEqual(len(calls), 1)
args = calls[0][1]
self.assertEqual(len(args), 4)
self.assertEqual(args[0], 1234)
self.assertEqual(args[1], utils.FALLOC_FL_KEEP_SIZE)
self.assertEqual(args[2].value, 0)
self.assertEqual(args[3].value, 5000 * 2 ** 20)
sys_posix_fallocate_mock.assert_not_called()
def test_fallocate_offset(self, sys_fallocate_mock,
sys_posix_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = 0
utils.fallocate(1234, 5000 * 2 ** 20, offset=3 * 2 ** 30)
calls = sys_fallocate_mock.mock_calls
self.assertEqual(len(calls), 1)
args = calls[0][1]
self.assertEqual(len(args), 4)
self.assertEqual(args[0], 1234)
self.assertEqual(args[1], utils.FALLOC_FL_KEEP_SIZE)
self.assertEqual(args[2].value, 3 * 2 ** 30)
self.assertEqual(args[3].value, 5000 * 2 ** 20)
sys_posix_fallocate_mock.assert_not_called()
def test_fallocate_fatal_error(self, sys_fallocate_mock,
sys_posix_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = -1
get_errno_mock.return_value = errno.EIO
with self.assertRaises(OSError) as cm:
utils.fallocate(1234, 5000 * 2 ** 20)
self.assertEqual(cm.exception.errno, errno.EIO)
def test_fallocate_silent_errors(self, sys_fallocate_mock,
sys_posix_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = -1
for silent_error in (0, errno.ENOSYS, errno.EOPNOTSUPP, errno.EINVAL):
get_errno_mock.return_value = silent_error
try:
utils.fallocate(1234, 5678)
except OSError:
self.fail("fallocate() raised an error on %d", silent_error)
def test_posix_fallocate_fallback(self, sys_fallocate_mock,
sys_posix_fallocate_mock,
get_errno_mock):
sys_fallocate_mock.available = False
sys_fallocate_mock.side_effect = NotImplementedError
sys_posix_fallocate_mock.available = True
sys_posix_fallocate_mock.return_value = 0
utils.fallocate(1234, 567890)
sys_fallocate_mock.assert_not_called()
calls = sys_posix_fallocate_mock.mock_calls
self.assertEqual(len(calls), 1)
args = calls[0][1]
self.assertEqual(len(args), 3)
self.assertEqual(args[0], 1234)
self.assertEqual(args[1].value, 0)
self.assertEqual(args[2].value, 567890)
def test_posix_fallocate_offset(self, sys_fallocate_mock,
sys_posix_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = False
sys_fallocate_mock.side_effect = NotImplementedError
sys_posix_fallocate_mock.available = True
sys_posix_fallocate_mock.return_value = 0
utils.fallocate(1234, 5000 * 2 ** 20, offset=3 * 2 ** 30)
calls = sys_posix_fallocate_mock.mock_calls
self.assertEqual(len(calls), 1)
args = calls[0][1]
self.assertEqual(len(args), 3)
self.assertEqual(args[0], 1234)
self.assertEqual(args[1].value, 3 * 2 ** 30)
self.assertEqual(args[2].value, 5000 * 2 ** 20)
sys_fallocate_mock.assert_not_called()
def test_no_fallocates_available(self, sys_fallocate_mock,
sys_posix_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = False
sys_posix_fallocate_mock.available = False
with mock.patch("logging.warning") as warning_mock, \
mock.patch.object(utils, "_fallocate_warned_about_missing",
False):
utils.fallocate(321, 654)
utils.fallocate(321, 654)
sys_fallocate_mock.assert_not_called()
sys_posix_fallocate_mock.assert_not_called()
get_errno_mock.assert_not_called()
self.assertEqual(len(warning_mock.mock_calls), 1)
def test_arg_bounds(self, sys_fallocate_mock,
sys_posix_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = 0
with self.assertRaises(ValueError):
utils.fallocate(0, 1 << 64, 0)
with self.assertRaises(ValueError):
utils.fallocate(0, 0, -1)
with self.assertRaises(ValueError):
utils.fallocate(0, 0, 1 << 64)
self.assertEqual([], sys_fallocate_mock.mock_calls)
# sanity check
utils.fallocate(0, 0, 0)
self.assertEqual(
[mock.call(0, utils.FALLOC_FL_KEEP_SIZE, mock.ANY, mock.ANY)],
sys_fallocate_mock.mock_calls)
# Go confirm the ctypes values separately; apparently == doesn't
# work the way you'd expect with ctypes :-/
self.assertEqual(sys_fallocate_mock.mock_calls[0][1][2].value, 0)
self.assertEqual(sys_fallocate_mock.mock_calls[0][1][3].value, 0)
@patch.object(os, 'fstatvfs')
@patch.object(utils, '_sys_fallocate', available=True, return_value=0)
@patch.object(utils, 'FALLOCATE_RESERVE', 0)
@patch.object(utils, 'FALLOCATE_IS_PERCENT', False)
@patch.object(utils, '_fallocate_enabled', True)
class TestFallocateReserve(unittest.TestCase):
def _statvfs_result(self, f_frsize, f_bavail):
# Only 3 values are relevant to us, so use zeros for the rest
f_blocks = 100
return posix.statvfs_result((0, f_frsize, f_blocks, 0, f_bavail,
0, 0, 0, 0, 0))
def test_disabled(self, sys_fallocate_mock, fstatvfs_mock):
utils.disable_fallocate()
utils.fallocate(123, 456)
sys_fallocate_mock.assert_not_called()
fstatvfs_mock.assert_not_called()
def test_zero_reserve(self, sys_fallocate_mock, fstatvfs_mock):
utils.fallocate(123, 456)
fstatvfs_mock.assert_not_called()
self.assertEqual(len(sys_fallocate_mock.mock_calls), 1)
def test_enough_space(self, sys_fallocate_mock, fstatvfs_mock):
# Want 1024 bytes in reserve plus 1023 allocated, and have 2 blocks
# of size 1024 free, so succeed
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('1024')
fstatvfs_mock.return_value = self._statvfs_result(1024, 2)
utils.fallocate(88, 1023)
def test_not_enough_space(self, sys_fallocate_mock, fstatvfs_mock):
# Want 1024 bytes in reserve plus 1024 allocated, and have 2 blocks
# of size 1024 free, so fail
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('1024')
fstatvfs_mock.return_value = self._statvfs_result(1024, 2)
with self.assertRaises(OSError) as catcher:
utils.fallocate(88, 1024)
self.assertEqual(
str(catcher.exception),
'[Errno %d] FALLOCATE_RESERVE fail 1024 <= 1024'
% errno.ENOSPC)
sys_fallocate_mock.assert_not_called()
def test_not_enough_space_large(self, sys_fallocate_mock, fstatvfs_mock):
# Want 1024 bytes in reserve plus 1GB allocated, and have 2 blocks
# of size 1024 free, so fail
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('1024')
fstatvfs_mock.return_value = self._statvfs_result(1024, 2)
with self.assertRaises(OSError) as catcher:
utils.fallocate(88, 1 << 30)
self.assertEqual(
str(catcher.exception),
'[Errno %d] FALLOCATE_RESERVE fail %g <= 1024'
% (errno.ENOSPC, ((2 * 1024) - (1 << 30))))
sys_fallocate_mock.assert_not_called()
def test_enough_space_small_blocks(self, sys_fallocate_mock,
fstatvfs_mock):
# Want 1024 bytes in reserve plus 1023 allocated, and have 4 blocks
# of size 512 free, so succeed
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('1024')
fstatvfs_mock.return_value = self._statvfs_result(512, 4)
utils.fallocate(88, 1023)
def test_not_enough_space_small_blocks(self, sys_fallocate_mock,
fstatvfs_mock):
# Want 1024 bytes in reserve plus 1024 allocated, and have 4 blocks
# of size 512 free, so fail
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('1024')
fstatvfs_mock.return_value = self._statvfs_result(512, 4)
with self.assertRaises(OSError) as catcher:
utils.fallocate(88, 1024)
self.assertEqual(
str(catcher.exception),
'[Errno %d] FALLOCATE_RESERVE fail 1024 <= 1024'
% errno.ENOSPC)
sys_fallocate_mock.assert_not_called()
def test_free_space_under_reserve(self, sys_fallocate_mock, fstatvfs_mock):
# Want 2048 bytes in reserve but have only 3 blocks of size 512, so
# allocating even 0 bytes fails
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('2048')
fstatvfs_mock.return_value = self._statvfs_result(512, 3)
with self.assertRaises(OSError) as catcher:
utils.fallocate(88, 0)
self.assertEqual(
str(catcher.exception),
'[Errno %d] FALLOCATE_RESERVE fail 1536 <= 2048'
% errno.ENOSPC)
sys_fallocate_mock.assert_not_called()
def test_all_reserved(self, sys_fallocate_mock, fstatvfs_mock):
# Filesystem is empty, but our reserve is bigger than the
# filesystem, so any allocation will fail
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('9999999999999')
fstatvfs_mock.return_value = self._statvfs_result(1024, 100)
self.assertRaises(OSError, utils.fallocate, 88, 0)
sys_fallocate_mock.assert_not_called()
def test_enough_space_pct(self, sys_fallocate_mock, fstatvfs_mock):
# Want 1% reserved, filesystem has 3/100 blocks of size 1024 free
# and file size is 2047, so succeed
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('1%')
fstatvfs_mock.return_value = self._statvfs_result(1024, 3)
utils.fallocate(88, 2047)
def test_not_enough_space_pct(self, sys_fallocate_mock, fstatvfs_mock):
# Want 1% reserved, filesystem has 3/100 blocks of size 1024 free
# and file size is 2048, so fail
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('1%')
fstatvfs_mock.return_value = self._statvfs_result(1024, 3)
with self.assertRaises(OSError) as catcher:
utils.fallocate(88, 2048)
self.assertEqual(
str(catcher.exception),
'[Errno %d] FALLOCATE_RESERVE fail 1 <= 1'
% errno.ENOSPC)
sys_fallocate_mock.assert_not_called()
def test_all_space_reserved_pct(self, sys_fallocate_mock, fstatvfs_mock):
# Filesystem is empty, but our reserve is the whole filesystem, so
# any allocation will fail
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value('100%')
fstatvfs_mock.return_value = self._statvfs_result(1024, 100)
with self.assertRaises(OSError) as catcher:
utils.fallocate(88, 0)
self.assertEqual(
str(catcher.exception),
'[Errno %d] FALLOCATE_RESERVE fail 100 <= 100'
% errno.ENOSPC)
sys_fallocate_mock.assert_not_called()
@patch('ctypes.get_errno')
@patch.object(utils, '_sys_fallocate')
class TestPunchHole(unittest.TestCase):
def test_punch_hole(self, sys_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = 0
utils.punch_hole(123, 456, 789)
calls = sys_fallocate_mock.mock_calls
self.assertEqual(len(calls), 1)
args = calls[0][1]
self.assertEqual(len(args), 4)
self.assertEqual(args[0], 123)
self.assertEqual(
args[1], utils.FALLOC_FL_PUNCH_HOLE | utils.FALLOC_FL_KEEP_SIZE)
self.assertEqual(args[2].value, 456)
self.assertEqual(args[3].value, 789)
def test_error(self, sys_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = -1
get_errno_mock.return_value = errno.EISDIR
with self.assertRaises(OSError) as cm:
utils.punch_hole(123, 456, 789)
self.assertEqual(cm.exception.errno, errno.EISDIR)
def test_arg_bounds(self, sys_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = True
sys_fallocate_mock.return_value = 0
with self.assertRaises(ValueError):
utils.punch_hole(0, 1, -1)
with self.assertRaises(ValueError):
utils.punch_hole(0, -1, 1)
with self.assertRaises(ValueError):
utils.punch_hole(0, 1, 0)
with self.assertRaises(ValueError):
utils.punch_hole(0, 1, 1 << 64)
self.assertEqual([], sys_fallocate_mock.mock_calls)
# sanity check
utils.punch_hole(0, 0, 1)
self.assertEqual(
[mock.call(
0, utils.FALLOC_FL_PUNCH_HOLE | utils.FALLOC_FL_KEEP_SIZE,
mock.ANY, mock.ANY)],
sys_fallocate_mock.mock_calls)
# Go confirm the ctypes values separately; apparently == doesn't
# work the way you'd expect with ctypes :-/
self.assertEqual(sys_fallocate_mock.mock_calls[0][1][2].value, 0)
self.assertEqual(sys_fallocate_mock.mock_calls[0][1][3].value, 1)
def test_no_fallocate(self, sys_fallocate_mock, get_errno_mock):
sys_fallocate_mock.available = False
with self.assertRaises(OSError) as cm:
utils.punch_hole(123, 456, 789)
self.assertEqual(cm.exception.errno, errno.ENOTSUP)
class TestPunchHoleReally(unittest.TestCase):
def setUp(self):
if not utils._sys_fallocate.available:
raise unittest.SkipTest("utils._sys_fallocate not available")
def test_punch_a_hole(self):
with TemporaryFile() as tf:
tf.write(b"x" * 64 + b"y" * 64 + b"z" * 64)
tf.flush()
# knock out the first half of the "y"s
utils.punch_hole(tf.fileno(), 64, 32)
tf.seek(0)
contents = tf.read(4096)
self.assertEqual(
contents,
b"x" * 64 + b"\0" * 32 + b"y" * 32 + b"z" * 64)
class Test_LibcWrapper(unittest.TestCase):
def test_available_function(self):
# This should pretty much always exist
getpid_wrapper = utils._LibcWrapper('getpid')
self.assertTrue(getpid_wrapper.available)
self.assertEqual(getpid_wrapper(), os.getpid())
def test_unavailable_function(self):
# This won't exist
no_func_wrapper = utils._LibcWrapper('diffractively_protectorship')
self.assertFalse(no_func_wrapper.available)
self.assertRaises(NotImplementedError, no_func_wrapper)
def test_argument_plumbing(self):
lseek_wrapper = utils._LibcWrapper('lseek')
with TemporaryFile() as tf:
tf.write(b"abcdefgh")
tf.flush()
lseek_wrapper(tf.fileno(),
ctypes.c_uint64(3),
# 0 is SEEK_SET
0)
self.assertEqual(tf.read(100), b"defgh")
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