71 lines
2.9 KiB
Python
71 lines
2.9 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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import oslo_messaging as messaging
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from heat.rpc import api as rpc_api
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from heat.rpc import listener_client as rpc_client
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from heat.tests import common
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class ListenerClientTest(common.HeatTestCase):
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@mock.patch('heat.common.messaging.get_rpc_client',
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return_value=mock.Mock())
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def test_engine_alive_ok(self, rpc_client_method):
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mock_rpc_client = rpc_client_method.return_value
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mock_prepare_method = mock_rpc_client.prepare
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mock_prepare_client = mock_prepare_method.return_value
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mock_cnxt = mock.Mock()
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listener_client = rpc_client.EngineListenerClient('engine-007')
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rpc_client_method.assert_called_once_with(
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version=rpc_client.EngineListenerClient.BASE_RPC_API_VERSION,
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topic=rpc_api.LISTENER_TOPIC, server='engine-007',
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)
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mock_prepare_method.assert_called_once_with(timeout=2)
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self.assertEqual(mock_prepare_client,
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listener_client._client,
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"Failed to create RPC client")
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ret = listener_client.is_alive(mock_cnxt)
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self.assertTrue(ret)
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mock_prepare_client.call.assert_called_once_with(mock_cnxt,
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'listening')
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@mock.patch('heat.common.messaging.get_rpc_client',
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return_value=mock.Mock())
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def test_engine_alive_timeout(self, rpc_client_method):
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mock_rpc_client = rpc_client_method.return_value
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mock_prepare_method = mock_rpc_client.prepare
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mock_prepare_client = mock_prepare_method.return_value
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mock_cnxt = mock.Mock()
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listener_client = rpc_client.EngineListenerClient('engine-007')
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rpc_client_method.assert_called_once_with(
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version=rpc_client.EngineListenerClient.BASE_RPC_API_VERSION,
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topic=rpc_api.LISTENER_TOPIC, server='engine-007',
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)
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mock_prepare_method.assert_called_once_with(timeout=2)
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self.assertEqual(mock_prepare_client,
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listener_client._client,
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"Failed to create RPC client")
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mock_prepare_client.call.side_effect = messaging.MessagingTimeout(
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'too slow')
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ret = listener_client.is_alive(mock_cnxt)
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self.assertFalse(ret)
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mock_prepare_client.call.assert_called_once_with(mock_cnxt,
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'listening')
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