swift/test/unit/obj/test_updater.py
Peter Portante be1cff4f1f Pep8 unit test modules w/ <= 10 violations (5 of 12)
Change-Id: I8e82c14ada52d44df5a31e08982ac79cd7e5c969
Signed-off-by: Peter Portante <peter.portante@redhat.com>
2013-09-01 15:12:48 -04:00

226 lines
8.0 KiB
Python

# Copyright (c) 2010-2012 OpenStack, LLC.
#
# 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.
import cPickle as pickle
import os
import unittest
from contextlib import closing
from gzip import GzipFile
from shutil import rmtree
from time import time
from distutils.dir_util import mkpath
from eventlet import spawn, Timeout, listen
from swift.obj import updater as object_updater, server as object_server
from swift.obj.server import ASYNCDIR
from swift.common.ring import RingData
from swift.common import utils
from swift.common.utils import hash_path, normalize_timestamp, mkdirs, \
write_pickle
from test.unit import FakeLogger
class TestObjectUpdater(unittest.TestCase):
def setUp(self):
utils.HASH_PATH_SUFFIX = 'endcap'
utils.HASH_PATH_PREFIX = ''
self.testdir = os.path.join(os.path.dirname(__file__),
'object_updater')
rmtree(self.testdir, ignore_errors=1)
os.mkdir(self.testdir)
ring_file = os.path.join(self.testdir, 'container.ring.gz')
with closing(GzipFile(ring_file, 'wb')) as f:
pickle.dump(
RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
[{'id': 0, 'ip': '127.0.0.1', 'port': 1,
'device': 'sda1', 'zone': 0},
{'id': 1, 'ip': '127.0.0.1', 'port': 1,
'device': 'sda1', 'zone': 2}], 30),
f)
self.devices_dir = os.path.join(self.testdir, 'devices')
os.mkdir(self.devices_dir)
self.sda1 = os.path.join(self.devices_dir, 'sda1')
os.mkdir(self.sda1)
os.mkdir(os.path.join(self.sda1, 'tmp'))
def tearDown(self):
rmtree(self.testdir, ignore_errors=1)
def test_creation(self):
cu = object_updater.ObjectUpdater({
'devices': self.devices_dir,
'mount_check': 'false',
'swift_dir': self.testdir,
'interval': '1',
'concurrency': '2',
'node_timeout': '5'})
self.assert_(hasattr(cu, 'logger'))
self.assert_(cu.logger is not None)
self.assertEquals(cu.devices, self.devices_dir)
self.assertEquals(cu.interval, 1)
self.assertEquals(cu.concurrency, 2)
self.assertEquals(cu.node_timeout, 5)
self.assert_(cu.get_container_ring() is not None)
def test_object_sweep(self):
prefix_dir = os.path.join(self.sda1, ASYNCDIR, 'abc')
mkpath(prefix_dir)
objects = {
'a': [1089.3, 18.37, 12.83, 1.3],
'b': [49.4, 49.3, 49.2, 49.1],
'c': [109984.123],
}
expected = set()
for o, timestamps in objects.iteritems():
ohash = hash_path('account', 'container', o)
for t in timestamps:
o_path = os.path.join(prefix_dir, ohash + '-' +
normalize_timestamp(t))
if t == timestamps[0]:
expected.add(o_path)
write_pickle({}, o_path)
seen = set()
class MockObjectUpdater(object_updater.ObjectUpdater):
def process_object_update(self, update_path, device):
seen.add(update_path)
os.unlink(update_path)
cu = MockObjectUpdater({
'devices': self.devices_dir,
'mount_check': 'false',
'swift_dir': self.testdir,
'interval': '1',
'concurrency': '1',
'node_timeout': '5'})
cu.object_sweep(self.sda1)
self.assert_(not os.path.exists(prefix_dir))
self.assertEqual(expected, seen)
def test_run_once(self):
cu = object_updater.ObjectUpdater({
'devices': self.devices_dir,
'mount_check': 'false',
'swift_dir': self.testdir,
'interval': '1',
'concurrency': '1',
'node_timeout': '15'})
cu.run_once()
async_dir = os.path.join(self.sda1, object_server.ASYNCDIR)
os.mkdir(async_dir)
cu.run_once()
self.assert_(os.path.exists(async_dir))
odd_dir = os.path.join(async_dir, 'not really supposed to be here')
os.mkdir(odd_dir)
cu.run_once()
self.assert_(os.path.exists(async_dir))
self.assert_(not os.path.exists(odd_dir))
ohash = hash_path('a', 'c', 'o')
odir = os.path.join(async_dir, ohash[-3:])
mkdirs(odir)
older_op_path = os.path.join(
odir,
'%s-%s' % (ohash, normalize_timestamp(time() - 1)))
op_path = os.path.join(
odir,
'%s-%s' % (ohash, normalize_timestamp(time())))
for path in (op_path, older_op_path):
with open(path, 'wb') as async_pending:
pickle.dump({'op': 'PUT', 'account': 'a', 'container': 'c',
'obj': 'o', 'headers': {
'X-Container-Timestamp': normalize_timestamp(0)}},
async_pending)
cu.logger = FakeLogger()
cu.run_once()
self.assert_(not os.path.exists(older_op_path))
self.assert_(os.path.exists(op_path))
self.assertEqual(cu.logger.get_increment_counts(),
{'failures': 1, 'unlinks': 1})
bindsock = listen(('127.0.0.1', 0))
def accepter(sock, return_code):
try:
with Timeout(3):
inc = sock.makefile('rb')
out = sock.makefile('wb')
out.write('HTTP/1.1 %d OK\r\nContent-Length: 0\r\n\r\n' %
return_code)
out.flush()
self.assertEquals(inc.readline(),
'PUT /sda1/0/a/c/o HTTP/1.1\r\n')
headers = {}
line = inc.readline()
while line and line != '\r\n':
headers[line.split(':')[0].lower()] = \
line.split(':')[1].strip()
line = inc.readline()
self.assert_('x-container-timestamp' in headers)
except BaseException, err:
return err
return None
def accept(return_codes):
codes = iter(return_codes)
try:
events = []
for x in xrange(len(return_codes)):
with Timeout(3):
sock, addr = bindsock.accept()
events.append(
spawn(accepter, sock, codes.next()))
for event in events:
err = event.wait()
if err:
raise err
except BaseException, err:
return err
return None
event = spawn(accept, [201, 500])
for dev in cu.get_container_ring().devs:
if dev is not None:
dev['port'] = bindsock.getsockname()[1]
cu.logger = FakeLogger()
cu.run_once()
err = event.wait()
if err:
raise err
self.assert_(os.path.exists(op_path))
self.assertEqual(cu.logger.get_increment_counts(),
{'failures': 1})
event = spawn(accept, [201])
cu.logger = FakeLogger()
cu.run_once()
err = event.wait()
if err:
raise err
self.assert_(not os.path.exists(op_path))
self.assertEqual(cu.logger.get_increment_counts(),
{'unlinks': 1, 'successes': 1})
if __name__ == '__main__':
unittest.main()