octavia/octavia/tests/unit/cmd/test_health_manager.py

98 lines
3.9 KiB
Python

# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# 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 signal
import mock
from octavia.cmd import health_manager
from octavia.tests.unit import base
class TestHealthManagerCMD(base.TestCase):
def setUp(self):
super(TestHealthManagerCMD, self).setUp()
@mock.patch('multiprocessing.Event')
@mock.patch('octavia.amphorae.drivers.health.'
'heartbeat_udp.UDPStatusGetter')
def test_hm_listener(self, mock_getter,
mock_event):
mock_event.is_set.side_effect = [False, False]
getter_mock = mock.MagicMock()
check_mock = mock.MagicMock()
getter_mock.check = check_mock
getter_mock.check.side_effect = [None, Exception('break')]
mock_getter.return_value = getter_mock
self.assertRaisesRegexp(Exception, 'break',
health_manager.hm_listener, mock_event)
mock_getter.assert_called_once()
self.assertEqual(2, getter_mock.check.call_count)
@mock.patch('multiprocessing.Event')
@mock.patch('futurist.periodics.PeriodicWorker.start')
@mock.patch('futurist.periodics.PeriodicWorker.__init__')
@mock.patch('signal.signal')
@mock.patch('octavia.controller.healthmanager.'
'health_manager.HealthManager')
def test_hm_health_check(self, mock_health, mock_signal, mock_worker,
mock_start, mock_event):
mock_event.is_set.side_effect = [False, True]
hm_mock = mock.MagicMock()
mock_worker.return_value = None
health_check_mock = mock.MagicMock()
hm_mock.health_check = health_check_mock
mock_health.return_value = hm_mock
health_manager.hm_health_check(mock_event)
mock_health.assert_called_once_with(mock_event)
@mock.patch('multiprocessing.Process')
@mock.patch('octavia.common.service.prepare_service')
def test_main(self, mock_service, mock_process):
mock_listener_proc = mock.MagicMock()
mock_health_proc = mock.MagicMock()
mock_process.side_effect = [mock_listener_proc, mock_health_proc]
health_manager.main()
mock_listener_proc.start.assert_called_once_with()
mock_health_proc.start.assert_called_once_with()
mock_listener_proc.join.assert_called_once_with()
mock_health_proc.join.assert_called_once_with()
@mock.patch('os.kill')
@mock.patch('multiprocessing.Process')
@mock.patch('octavia.common.service.prepare_service')
def test_main_keyboard_interrupt(self, mock_service, mock_process,
mock_kill):
mock_listener_proc = mock.MagicMock()
mock_health_proc = mock.MagicMock()
mock_join = mock.MagicMock()
mock_join.side_effect = [KeyboardInterrupt, None]
mock_listener_proc.join = mock_join
mock_process.side_effect = [mock_listener_proc, mock_health_proc]
health_manager.main()
mock_listener_proc.start.assert_called_once_with()
mock_health_proc.start.assert_called_once_with()
mock_listener_proc.join.assert_called_once_with()
mock_health_proc.join.assert_called_once_with()
mock_listener_proc.terminate.assert_called_once_with()
mock_kill.assert_called_once_with(mock_health_proc.pid,
signal.SIGINT)