vmware-nsx/quantum/tests/unit/test_linux_external_process.py
He Jie Xu ac9aefab75 Fix i18n messages
Fix the last scraps of messages

Change-Id: I0494ab43fa95b7040de2b5a596fa08b9c73aab8d
2013-01-22 11:42:15 +08:00

199 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 unittest2 as unittest
from quantum.agent.linux import external_process as ep
class TestProcessManager(unittest.TestCase):
def setUp(self):
self.execute_p = mock.patch('quantum.agent.linux.utils.execute')
self.execute = self.execute_p.start()
self.conf = mock.Mock()
self.conf.external_pids = '/var/path'
def tearDown(self):
self.execute_p.stop()
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')