82 lines
3.3 KiB
Python
82 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2015 OpenStack Foundation
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# All Rights Reserved.
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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 socket
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from unittest import mock
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from testtools import testcase
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from tooz import coordination
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from tooz import tests
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class TestMemcacheDriverFailures(testcase.TestCase):
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FAKE_URL = "memcached://mocked-not-really-localhost"
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@mock.patch('pymemcache.client.PooledClient')
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def test_client_failure_start(self, mock_client_cls):
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mock_client_cls.side_effect = socket.timeout('timed-out')
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member_id = tests.get_random_uuid()
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coord = coordination.get_coordinator(self.FAKE_URL, member_id)
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self.assertRaises(coordination.ToozConnectionError, coord.start)
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@mock.patch('pymemcache.client.PooledClient')
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def test_client_failure_join(self, mock_client_cls):
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mock_client = mock.MagicMock()
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mock_client_cls.return_value = mock_client
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member_id = tests.get_random_uuid()
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coord = coordination.get_coordinator(self.FAKE_URL, member_id)
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coord.start()
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mock_client.gets.side_effect = socket.timeout('timed-out')
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fut = coord.join_group(tests.get_random_uuid())
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self.assertRaises(coordination.ToozConnectionError, fut.get)
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@mock.patch('pymemcache.client.PooledClient')
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def test_client_failure_leave(self, mock_client_cls):
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mock_client = mock.MagicMock()
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mock_client_cls.return_value = mock_client
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member_id = tests.get_random_uuid()
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coord = coordination.get_coordinator(self.FAKE_URL, member_id)
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coord.start()
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mock_client.gets.side_effect = socket.timeout('timed-out')
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fut = coord.leave_group(tests.get_random_uuid())
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self.assertRaises(coordination.ToozConnectionError, fut.get)
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@mock.patch('pymemcache.client.PooledClient')
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def test_client_failure_heartbeat(self, mock_client_cls):
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mock_client = mock.MagicMock()
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mock_client_cls.return_value = mock_client
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member_id = tests.get_random_uuid()
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coord = coordination.get_coordinator(self.FAKE_URL, member_id)
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coord.start()
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mock_client.set.side_effect = socket.timeout('timed-out')
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self.assertRaises(coordination.ToozConnectionError, coord.heartbeat)
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@mock.patch(
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'tooz.coordination.CoordinationDriverCachedRunWatchers.run_watchers',
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autospec=True)
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@mock.patch('pymemcache.client.PooledClient')
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def test_client_run_watchers_mixin(self, mock_client_cls,
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mock_run_watchers):
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mock_client = mock.MagicMock()
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mock_client_cls.return_value = mock_client
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member_id = tests.get_random_uuid()
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coord = coordination.get_coordinator(self.FAKE_URL, member_id)
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coord.start()
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coord.run_watchers()
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self.assertTrue(mock_run_watchers.called)
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