ironic-inspector/ironic_inspector/test/unit/test_coordination.py
Sean McGinnis a9f7f67de5
Use unittest.mock instead of third party mock
Now that we no longer support py27, we can use the standard library
unittest.mock module instead of the third party mock lib.

Change-Id: Ic67f09a223ae2d0cb460771a10a4122307afa05b
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
2020-04-18 16:15:28 -05:00

125 lines
5.0 KiB
Python

# 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.
from unittest import mock
import fixtures
from oslo_config import cfg
import tooz
from ironic_inspector.common import coordination
from ironic_inspector.test import base
from ironic_inspector import utils
CONF = cfg.CONF
@mock.patch.object(coordination, 'Coordinator', autospec=True)
class TestGetCoordinator(base.BaseTest):
def setUp(self):
super(TestGetCoordinator, self).setUp()
coordination._COORDINATOR = None
def test_get(self, mock_coordinator):
coordination.get_coordinator()
mock_coordinator.assert_called_once_with(prefix=None)
def test_get_with_prefix(self, mock_coordinator):
coordination.get_coordinator(prefix='conductor')
mock_coordinator.assert_called_once_with(prefix='conductor')
class TestCoordinator(base.BaseTest):
def setUp(self):
super(TestCoordinator, self).setUp()
self.coordinator = coordination.Coordinator(prefix='test')
self.mock_driver = self.useFixture(
fixtures.MockPatchObject(tooz.coordination, 'CoordinationDriver',
autospec=True)).mock
self.mock_get_coordinator = self.useFixture(
fixtures.MockPatchObject(tooz.coordination, 'get_coordinator',
autospec=True)).mock
self.mock_get_coordinator.return_value = self.mock_driver
self.group_name = coordination.COORDINATION_GROUP_NAME.encode('ascii')
def test_start(self):
CONF.set_override('backend_url', 'memcached://1.2.3.4:11211',
'coordination')
CONF.set_override('host', '1.2.3.5')
self.coordinator.start()
self.mock_get_coordinator.assert_called_once_with(
'memcached://1.2.3.4:11211', b'ironic_inspector.test.1.2.3.5')
self.assertTrue(self.coordinator.started)
self.mock_driver.start.assert_called_once_with(start_heart=True)
def test_stop(self):
self.coordinator.started = True
self.coordinator.coordinator = mock.MagicMock()
self.coordinator.stop()
self.assertFalse(self.coordinator.started)
def test__create_group(self):
self.coordinator.start()
self.coordinator._create_group()
self.mock_driver.create_group.assert_called_once_with(self.group_name)
def test_join_group(self):
self.coordinator.start()
self.coordinator.join_group()
self.mock_driver.join_group.assert_called_once_with(self.group_name)
def test_join_group_not_exist(self):
self.coordinator.start()
self.mock_driver.join_group.side_effect = [
tooz.coordination.GroupNotCreated('a group'), mock.Mock()]
self.coordinator.join_group()
self.mock_driver.create_group.assert_called_once_with(self.group_name)
self.mock_driver.join_group.assert_has_calls([
mock.call(self.group_name), mock.call(self.group_name)])
def test_leave_group(self):
self.coordinator.start()
self.coordinator.leave_group()
self.mock_driver.leave_group.assert_called_once_with(self.group_name)
def test_get_members(self):
self.coordinator.start()
mock_resp = mock.Mock()
mock_resp.get.return_value = {'host1', 'host2'}
self.mock_driver.get_members.return_value = mock_resp
members = self.coordinator.get_members()
self.assertEqual(members, {'host1', 'host2'})
self.mock_driver.get_members.assert_called_once_with(self.group_name)
def test_get_members_no_such_group(self):
self.coordinator.start()
self.mock_driver.get_members.side_effect = (
tooz.coordination.GroupNotCreated('a group'))
self.assertEqual(self.coordinator.get_members(), set())
def test_get_lock(self):
self.coordinator.start()
self.coordinator.get_lock('fake-node')
self.mock_driver.get_lock.assert_called_once_with(
b'ironic_inspector.fake-node')
def test_invalid_state(self):
self.assertRaisesRegex(utils.Error, 'Coordinator should be started',
self.coordinator.join_group)
self.assertRaisesRegex(utils.Error, 'Coordinator should be started',
self.coordinator.leave_group)
self.assertRaisesRegex(utils.Error, 'Coordinator should be started',
self.coordinator.get_members)
self.assertRaisesRegex(utils.Error, 'Coordinator should be started',
self.coordinator.get_lock, 'fake id')