c90977b4f6
As part of the move towards testr and parallel test running, we start to use testtools and fixtures to make the test suite resilient and more pedantic. Part of blueprint grizzly-testtools Change-Id: I90250de9fe21237db34f6a50b89b15863e270aa5
198 lines
8.8 KiB
Python
198 lines
8.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
#
|
|
# 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.
|
|
#
|
|
# @author: Mark McClain, DreamHost
|
|
|
|
import mock
|
|
import testtools
|
|
|
|
from quantum.agent.linux import external_process as ep
|
|
|
|
|
|
class TestProcessManager(testtools.TestCase):
|
|
def setUp(self):
|
|
super(TestProcessManager, self).setUp()
|
|
self.execute_p = mock.patch('quantum.agent.linux.utils.execute')
|
|
self.execute = self.execute_p.start()
|
|
self.addCleanup(self.execute_p.stop)
|
|
self.conf = mock.Mock()
|
|
self.conf.external_pids = '/var/path'
|
|
|
|
def test_enable_no_namespace(self):
|
|
callback = mock.Mock()
|
|
callback.return_value = ['the', 'cmd']
|
|
|
|
with mock.patch.object(ep.ProcessManager, 'get_pid_file_name') as name:
|
|
name.return_value = 'pidfile'
|
|
with mock.patch.object(ep.ProcessManager, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=False)
|
|
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
manager.enable(callback)
|
|
callback.assert_called_once_with('pidfile')
|
|
name.assert_called_once_with(ensure_pids_dir=True)
|
|
self.execute.assert_called_once_with(['the', 'cmd'], 'sudo')
|
|
|
|
def test_enable_with_namespace(self):
|
|
callback = mock.Mock()
|
|
callback.return_value = ['the', 'cmd']
|
|
|
|
with mock.patch.object(ep.ProcessManager, 'get_pid_file_name') as name:
|
|
name.return_value = 'pidfile'
|
|
with mock.patch.object(ep.ProcessManager, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=False)
|
|
|
|
manager = ep.ProcessManager(self.conf, 'uuid', namespace='ns')
|
|
with mock.patch.object(ep, 'ip_lib') as ip_lib:
|
|
manager.enable(callback)
|
|
callback.assert_called_once_with('pidfile')
|
|
name.assert_called_once_with(ensure_pids_dir=True)
|
|
ip_lib.assert_has_calls([
|
|
mock.call.IPWrapper('sudo', 'ns'),
|
|
mock.call.IPWrapper().netns.execute(['the', 'cmd'])]
|
|
)
|
|
|
|
def test_enable_with_namespace_process_active(self):
|
|
callback = mock.Mock()
|
|
callback.return_value = ['the', 'cmd']
|
|
|
|
with mock.patch.object(ep.ProcessManager, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=True)
|
|
|
|
manager = ep.ProcessManager(self.conf, 'uuid', namespace='ns')
|
|
with mock.patch.object(ep, 'ip_lib') as ip_lib:
|
|
manager.enable(callback)
|
|
self.assertFalse(callback.called)
|
|
|
|
def test_disable_no_namespace(self):
|
|
with mock.patch.object(ep.ProcessManager, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=4)
|
|
with mock.patch.object(ep.ProcessManager, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=True)
|
|
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
manager.disable()
|
|
self.execute(['kill', '-9', 4], 'sudo')
|
|
|
|
def test_disable_namespace(self):
|
|
with mock.patch.object(ep.ProcessManager, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=4)
|
|
with mock.patch.object(ep.ProcessManager, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=True)
|
|
|
|
manager = ep.ProcessManager(self.conf, 'uuid', namespace='ns')
|
|
|
|
with mock.patch.object(ep, 'ip_lib') as ip_lib:
|
|
manager.disable()
|
|
ip_lib.assert_has_calls([
|
|
mock.call.IPWrapper('sudo', 'ns'),
|
|
mock.call.IPWrapper().netns.execute(['kill', '-9', 4])]
|
|
)
|
|
|
|
def test_disable_not_active(self):
|
|
with mock.patch.object(ep.ProcessManager, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=4)
|
|
with mock.patch.object(ep.ProcessManager, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=False)
|
|
with mock.patch.object(ep.LOG, 'debug') as debug:
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
manager.disable()
|
|
debug.assert_called_once_with(mock.ANY, mock.ANY)
|
|
|
|
def test_disable_no_pid(self):
|
|
with mock.patch.object(ep.ProcessManager, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=None)
|
|
with mock.patch.object(ep.ProcessManager, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=False)
|
|
with mock.patch.object(ep.LOG, 'debug') as debug:
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
manager.disable()
|
|
debug.assert_called_once_with(mock.ANY, mock.ANY)
|
|
|
|
def test_get_pid_file_name_existing(self):
|
|
with mock.patch.object(ep.os.path, 'isdir') as isdir:
|
|
isdir.return_value = True
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
retval = manager.get_pid_file_name(ensure_pids_dir=True)
|
|
self.assertEqual(retval, '/var/path/uuid.pid')
|
|
|
|
def test_get_pid_file_name_not_existing(self):
|
|
with mock.patch.object(ep.os.path, 'isdir') as isdir:
|
|
with mock.patch.object(ep.os, 'makedirs') as makedirs:
|
|
isdir.return_value = False
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
retval = manager.get_pid_file_name(ensure_pids_dir=True)
|
|
self.assertEqual(retval, '/var/path/uuid.pid')
|
|
makedirs.assert_called_once_with('/var/path', 0755)
|
|
|
|
def test_get_pid_file_name_default(self):
|
|
with mock.patch.object(ep.os.path, 'isdir') as isdir:
|
|
isdir.return_value = True
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
retval = manager.get_pid_file_name(ensure_pids_dir=False)
|
|
self.assertEqual(retval, '/var/path/uuid.pid')
|
|
self.assertFalse(isdir.called)
|
|
|
|
def test_pid(self):
|
|
with mock.patch('__builtin__.open') as mock_open:
|
|
mock_open.return_value.__enter__ = lambda s: s
|
|
mock_open.return_value.__exit__ = mock.Mock()
|
|
mock_open.return_value.read.return_value = '5'
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
self.assertEqual(manager.pid, 5)
|
|
|
|
def test_pid_no_an_int(self):
|
|
with mock.patch('__builtin__.open') as mock_open:
|
|
mock_open.return_value.__enter__ = lambda s: s
|
|
mock_open.return_value.__exit__ = mock.Mock()
|
|
mock_open.return_value.read.return_value = 'foo'
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
self.assertIsNone(manager.pid, 5)
|
|
|
|
def test_pid_invalid_file(self):
|
|
with mock.patch.object(ep.ProcessManager, 'get_pid_file_name') as name:
|
|
name.return_value = '.doesnotexist/pid'
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
self.assertIsNone(manager.pid)
|
|
|
|
def test_active(self):
|
|
dummy_cmd_line = 'python foo --router_id=uuid'
|
|
self.execute.return_value = dummy_cmd_line
|
|
with mock.patch.object(ep.ProcessManager, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=4)
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
self.assertTrue(manager.active)
|
|
self.execute.assert_called_once_with(['cat', '/proc/4/cmdline'],
|
|
'sudo')
|
|
|
|
def test_active_none(self):
|
|
dummy_cmd_line = 'python foo --router_id=uuid'
|
|
self.execute.return_value = dummy_cmd_line
|
|
with mock.patch.object(ep.ProcessManager, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=None)
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
self.assertFalse(manager.active)
|
|
|
|
def test_active_cmd_mismatch(self):
|
|
dummy_cmd_line = 'python foo --router_id=anotherid'
|
|
self.execute.return_value = dummy_cmd_line
|
|
with mock.patch.object(ep.ProcessManager, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=4)
|
|
manager = ep.ProcessManager(self.conf, 'uuid')
|
|
self.assertFalse(manager.active)
|
|
self.execute.assert_called_once_with(['cat', '/proc/4/cmdline'],
|
|
'sudo')
|