117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from neutron.agent.linux import polling
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from neutron.tests import base
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class TestGetPollingManager(base.BaseTestCase):
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def test_return_always_poll_by_default(self):
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with polling.get_polling_manager() as pm:
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self.assertEqual(pm.__class__, polling.AlwaysPoll)
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def test_manage_polling_minimizer(self):
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mock_target = 'neutron.agent.linux.polling.InterfacePollingMinimizer'
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with mock.patch('%s.start' % mock_target) as mock_start:
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with mock.patch('%s.stop' % mock_target) as mock_stop:
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with polling.get_polling_manager(minimize_polling=True,
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root_helper='test') as pm:
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self.assertEqual(pm._monitor.root_helper, 'test')
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self.assertEqual(pm.__class__,
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polling.InterfacePollingMinimizer)
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mock_stop.assert_has_calls(mock.call())
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mock_start.assert_has_calls(mock.call())
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class TestBasePollingManager(base.BaseTestCase):
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def setUp(self):
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super(TestBasePollingManager, self).setUp()
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self.pm = polling.BasePollingManager()
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def test_force_polling_sets_interval_attribute(self):
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self.assertFalse(self.pm._force_polling)
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self.pm.force_polling()
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self.assertTrue(self.pm._force_polling)
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def test_polling_completed_sets_interval_attribute(self):
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self.pm._polling_completed = False
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self.pm.polling_completed()
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self.assertTrue(self.pm._polling_completed)
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def mock_is_polling_required(self, return_value):
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return mock.patch.object(self.pm, '_is_polling_required',
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return_value=return_value)
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def test_is_polling_required_returns_true_when_forced(self):
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with self.mock_is_polling_required(False):
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self.pm.force_polling()
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self.assertTrue(self.pm.is_polling_required)
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self.assertFalse(self.pm._force_polling)
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def test_is_polling_required_returns_true_when_polling_not_completed(self):
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with self.mock_is_polling_required(False):
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self.pm._polling_completed = False
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self.assertTrue(self.pm.is_polling_required)
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def test_is_polling_required_returns_true_when_updates_are_present(self):
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with self.mock_is_polling_required(True):
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self.assertTrue(self.pm.is_polling_required)
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self.assertFalse(self.pm._polling_completed)
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def test_is_polling_required_returns_false_for_no_updates(self):
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with self.mock_is_polling_required(False):
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self.assertFalse(self.pm.is_polling_required)
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class TestAlwaysPoll(base.BaseTestCase):
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def test_is_polling_required_always_returns_true(self):
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pm = polling.AlwaysPoll()
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self.assertTrue(pm.is_polling_required)
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class TestInterfacePollingMinimizer(base.BaseTestCase):
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def setUp(self):
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super(TestInterfacePollingMinimizer, self).setUp()
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self.pm = polling.InterfacePollingMinimizer()
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def test_start_calls_monitor_start(self):
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with mock.patch.object(self.pm._monitor, 'start') as mock_start:
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self.pm.start()
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mock_start.assert_called_with()
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def test_stop_calls_monitor_stop(self):
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with mock.patch.object(self.pm._monitor, 'stop') as mock_stop:
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self.pm.stop()
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mock_stop.assert_called_with()
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def mock_has_updates(self, return_value):
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target = ('neutron.agent.linux.ovsdb_monitor.SimpleInterfaceMonitor'
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'.has_updates')
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return mock.patch(
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target,
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new_callable=mock.PropertyMock(return_value=return_value),
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)
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def test__is_polling_required_returns_when_updates_are_present(self):
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with self.mock_has_updates(True):
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self.assertTrue(self.pm._is_polling_required())
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