81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
# Copyright 2014 Canonical, Ltd.
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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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from stevedore import driver
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import testscenarios
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import oslo_messaging
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from oslo_messaging.tests import utils as test_utils
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load_tests = testscenarios.load_tests_apply_scenarios
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class TestImplMatchmaker(test_utils.BaseTestCase):
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scenarios = [
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("dummy", {"rpc_zmq_matchmaker": "dummy"}),
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("redis", {"rpc_zmq_matchmaker": "redis"}),
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]
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def setUp(self):
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super(TestImplMatchmaker, self).setUp()
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self.test_matcher = driver.DriverManager(
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'oslo.messaging.zmq.matchmaker',
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self.rpc_zmq_matchmaker,
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).driver(self.conf)
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if self.rpc_zmq_matchmaker == "redis":
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self.addCleanup(self.test_matcher._redis.flushdb)
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self.target = oslo_messaging.Target(topic="test_topic")
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self.host1 = b"test_host1"
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self.host2 = b"test_host2"
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def test_register(self):
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self.test_matcher.register(self.target, self.host1)
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self.assertEqual(self.test_matcher.get_hosts(self.target),
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[self.host1])
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self.assertEqual(self.test_matcher.get_single_host(self.target),
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self.host1)
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def test_register_two_hosts(self):
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self.test_matcher.register(self.target, self.host1)
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self.test_matcher.register(self.target, self.host2)
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self.assertEqual(self.test_matcher.get_hosts(self.target),
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[self.host1, self.host2])
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self.assertIn(self.test_matcher.get_single_host(self.target),
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[self.host1, self.host2])
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def test_register_two_same_hosts(self):
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self.test_matcher.register(self.target, self.host1)
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self.test_matcher.register(self.target, self.host1)
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self.assertEqual(self.test_matcher.get_hosts(self.target),
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[self.host1])
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self.assertEqual(self.test_matcher.get_single_host(self.target),
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self.host1)
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def test_get_hosts_wrong_topic(self):
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target = oslo_messaging.Target(topic="no_such_topic")
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self.assertEqual(self.test_matcher.get_hosts(target), [])
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def test_get_single_host_wrong_topic(self):
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target = oslo_messaging.Target(topic="no_such_topic")
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self.assertEqual(self.test_matcher.get_single_host(target),
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"localhost:9501")
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