26707bdbe7
We have git to track authorship, so let's not pad source files with it as well. A hacking check has been added for this. The value is N322. Change-Id: Iab0b64d417e0bb41a6b455e2ac377deee64ec3ee
210 lines
7.4 KiB
Python
210 lines
7.4 KiB
Python
#
|
|
# Copyright 2012 New Dream Network, LLC (DreamHost)
|
|
#
|
|
# 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 os
|
|
import sys
|
|
|
|
import mock
|
|
import testtools
|
|
|
|
from neutron.agent.linux import daemon
|
|
from neutron.tests import base
|
|
|
|
FAKE_FD = 8
|
|
|
|
|
|
class TestPidfile(base.BaseTestCase):
|
|
def setUp(self):
|
|
super(TestPidfile, self).setUp()
|
|
self.os_p = mock.patch.object(daemon, 'os')
|
|
self.os = self.os_p.start()
|
|
self.os.open.return_value = FAKE_FD
|
|
|
|
self.fcntl_p = mock.patch.object(daemon, 'fcntl')
|
|
self.fcntl = self.fcntl_p.start()
|
|
self.fcntl.flock.return_value = 0
|
|
|
|
def test_init(self):
|
|
self.os.O_CREAT = os.O_CREAT
|
|
self.os.O_RDWR = os.O_RDWR
|
|
|
|
daemon.Pidfile('thefile', 'python')
|
|
self.os.open.assert_called_once_with('thefile', os.O_CREAT | os.O_RDWR)
|
|
self.fcntl.flock.assert_called_once_with(FAKE_FD, self.fcntl.LOCK_EX |
|
|
self.fcntl.LOCK_NB)
|
|
|
|
def test_init_open_fail(self):
|
|
self.os.open.side_effect = IOError
|
|
|
|
with mock.patch.object(daemon.sys, 'stderr'):
|
|
with testtools.ExpectedException(SystemExit):
|
|
daemon.Pidfile('thefile', 'python')
|
|
sys.assert_has_calls([
|
|
mock.call.stderr.write(mock.ANY),
|
|
mock.call.exit(1)]
|
|
)
|
|
|
|
def test_unlock(self):
|
|
p = daemon.Pidfile('thefile', 'python')
|
|
p.unlock()
|
|
self.fcntl.flock.assert_has_calls([
|
|
mock.call(FAKE_FD, self.fcntl.LOCK_EX | self.fcntl.LOCK_NB),
|
|
mock.call(FAKE_FD, self.fcntl.LOCK_UN)]
|
|
)
|
|
|
|
def test_write(self):
|
|
p = daemon.Pidfile('thefile', 'python')
|
|
p.write(34)
|
|
|
|
self.os.assert_has_calls([
|
|
mock.call.ftruncate(FAKE_FD, 0),
|
|
mock.call.write(FAKE_FD, '34'),
|
|
mock.call.fsync(FAKE_FD)]
|
|
)
|
|
|
|
def test_read(self):
|
|
self.os.read.return_value = '34'
|
|
p = daemon.Pidfile('thefile', 'python')
|
|
self.assertEqual(34, p.read())
|
|
|
|
def test_is_running(self):
|
|
with mock.patch('__builtin__.open') as mock_open:
|
|
p = daemon.Pidfile('thefile', 'python')
|
|
mock_open.return_value.__enter__ = lambda s: s
|
|
mock_open.return_value.__exit__ = mock.Mock()
|
|
mock_open.return_value.readline.return_value = 'python'
|
|
|
|
with mock.patch.object(p, 'read') as read:
|
|
read.return_value = 34
|
|
self.assertTrue(p.is_running())
|
|
|
|
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
|
|
|
|
def test_is_running_uuid_true(self):
|
|
with mock.patch('__builtin__.open') as mock_open:
|
|
p = daemon.Pidfile('thefile', 'python', uuid='1234')
|
|
mock_open.return_value.__enter__ = lambda s: s
|
|
mock_open.return_value.__exit__ = mock.Mock()
|
|
mock_open.return_value.readline.return_value = 'python 1234'
|
|
|
|
with mock.patch.object(p, 'read') as read:
|
|
read.return_value = 34
|
|
self.assertTrue(p.is_running())
|
|
|
|
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
|
|
|
|
def test_is_running_uuid_false(self):
|
|
with mock.patch('__builtin__.open') as mock_open:
|
|
p = daemon.Pidfile('thefile', 'python', uuid='6789')
|
|
mock_open.return_value.__enter__ = lambda s: s
|
|
mock_open.return_value.__exit__ = mock.Mock()
|
|
mock_open.return_value.readline.return_value = 'python 1234'
|
|
|
|
with mock.patch.object(p, 'read') as read:
|
|
read.return_value = 34
|
|
self.assertFalse(p.is_running())
|
|
|
|
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
|
|
|
|
|
|
class TestDaemon(base.BaseTestCase):
|
|
def setUp(self):
|
|
super(TestDaemon, self).setUp()
|
|
self.os_p = mock.patch.object(daemon, 'os')
|
|
self.os = self.os_p.start()
|
|
|
|
self.pidfile_p = mock.patch.object(daemon, 'Pidfile')
|
|
self.pidfile = self.pidfile_p.start()
|
|
|
|
def test_init(self):
|
|
d = daemon.Daemon('pidfile')
|
|
self.assertEqual(d.procname, 'python')
|
|
|
|
def test_fork_parent(self):
|
|
self.os.fork.return_value = 1
|
|
with testtools.ExpectedException(SystemExit):
|
|
d = daemon.Daemon('pidfile')
|
|
d._fork()
|
|
|
|
def test_fork_child(self):
|
|
self.os.fork.return_value = 0
|
|
d = daemon.Daemon('pidfile')
|
|
self.assertIsNone(d._fork())
|
|
|
|
def test_fork_error(self):
|
|
self.os.fork.side_effect = lambda: OSError(1)
|
|
with mock.patch.object(daemon.sys, 'stderr'):
|
|
with testtools.ExpectedException(SystemExit):
|
|
d = daemon.Daemon('pidfile', 'stdin')
|
|
d._fork()
|
|
|
|
def test_daemonize(self):
|
|
d = daemon.Daemon('pidfile')
|
|
with mock.patch.object(d, '_fork') as fork:
|
|
with mock.patch.object(daemon, 'atexit') as atexit:
|
|
with mock.patch.object(daemon, 'signal') as signal:
|
|
signal.SIGTERM = 15
|
|
with mock.patch.object(daemon, 'sys') as sys:
|
|
sys.stdin.fileno.return_value = 0
|
|
sys.stdout.fileno.return_value = 1
|
|
sys.stderr.fileno.return_value = 2
|
|
d.daemonize()
|
|
|
|
signal.signal.assert_called_once_with(15, d.handle_sigterm)
|
|
atexit.register.assert_called_once_with(d.delete_pid)
|
|
fork.assert_has_calls([mock.call(), mock.call()])
|
|
|
|
self.os.assert_has_calls([
|
|
mock.call.chdir('/'),
|
|
mock.call.setsid(),
|
|
mock.call.umask(0),
|
|
mock.call.dup2(mock.ANY, 0),
|
|
mock.call.dup2(mock.ANY, 1),
|
|
mock.call.dup2(mock.ANY, 2),
|
|
mock.call.getpid()]
|
|
)
|
|
|
|
def test_delete_pid(self):
|
|
self.pidfile.return_value.__str__.return_value = 'pidfile'
|
|
d = daemon.Daemon('pidfile')
|
|
d.delete_pid()
|
|
self.os.remove.assert_called_once_with('pidfile')
|
|
|
|
def test_handle_sigterm(self):
|
|
d = daemon.Daemon('pidfile')
|
|
with mock.patch.object(daemon, 'sys') as sys:
|
|
d.handle_sigterm(15, 1234)
|
|
sys.exit.assert_called_once_with(0)
|
|
|
|
def test_start(self):
|
|
self.pidfile.return_value.is_running.return_value = False
|
|
d = daemon.Daemon('pidfile')
|
|
|
|
with mock.patch.object(d, 'daemonize') as daemonize:
|
|
with mock.patch.object(d, 'run') as run:
|
|
d.start()
|
|
run.assert_called_once_with()
|
|
daemonize.assert_called_once_with()
|
|
|
|
def test_start_running(self):
|
|
self.pidfile.return_value.is_running.return_value = True
|
|
d = daemon.Daemon('pidfile')
|
|
|
|
with mock.patch.object(daemon.sys, 'stderr'):
|
|
with mock.patch.object(d, 'daemonize') as daemonize:
|
|
with testtools.ExpectedException(SystemExit):
|
|
d.start()
|
|
self.assertFalse(daemonize.called)
|