gerrit.onap Code Review - policy/clamp.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2021 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.clamp.controlloop.runtime.config.messaging;
  22
  23 import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
  24 import static org.junit.jupiter.api.Assertions.assertFalse;
  25 import static org.junit.jupiter.api.Assertions.assertTrue;
  26 import static org.mockito.ArgumentMatchers.any;
  27 import static org.mockito.ArgumentMatchers.anyList;
  28 import static org.mockito.Mockito.mock;
  29 import static org.mockito.Mockito.spy;
  30 import static org.mockito.Mockito.times;
  31 import static org.mockito.Mockito.verify;
  32 import static org.mockito.Mockito.when;
  33
  34 import org.junit.jupiter.api.Test;
  35 import org.onap.policy.clamp.controlloop.runtime.main.parameters.ClRuntimeParameterGroup;
  36 import org.onap.policy.clamp.controlloop.runtime.main.parameters.ClRuntimeParameterHandler;
  37 import org.onap.policy.clamp.controlloop.runtime.supervision.comm.ParticipantStatusListener;
  38 import org.onap.policy.common.utils.coder.Coder;
  39 import org.onap.policy.common.utils.coder.StandardCoder;
  40 import org.onap.policy.common.utils.coder.StandardCoderObject;
  41
  42 /**
  43  * Class to perform unit test of {@link MessageDispatcherActivator}}.
  44  *
  45  */
  46 class MessageDispatcherActivatorTest {
  47
  48     private static final Coder CODER = new StandardCoder();
  49
  50     private static final String TOPIC_FIRST = "TOPIC1";
  51     private static final String TOPIC_SECOND = "TOPIC2";
  52
  53     @Test
  54     void testStartAndStop() throws Exception {
  55         final String path = "src/test/resources/parameters/TestParameters.json";
  56         ClRuntimeParameterGroup parameterGroup = new ClRuntimeParameterHandler().getParameters(path);
  57
  58         var publisherFirst = spy(mock(Publisher.class));
  59         var publisherSecond = spy(mock(Publisher.class));
  60         var publishers = new Publisher[] {publisherFirst, publisherSecond};
  61
  62         var listenerFirst = spy(mock(ParticipantStatusListener.class));
  63         when(listenerFirst.getType()).thenReturn(TOPIC_FIRST);
  64         when(listenerFirst.getScoListener()).thenReturn(listenerFirst);
  65
  66         var listenerSecond = spy(mock(ParticipantStatusListener.class));
  67         when(listenerSecond.getType()).thenReturn(TOPIC_SECOND);
  68         when(listenerSecond.getScoListener()).thenReturn(listenerSecond);
  69
  70         var listeners = new Listener[] {listenerFirst, listenerSecond};
  71
  72         try (var activator = new MessageDispatcherActivator(parameterGroup, publishers, listeners)) {
  73
  74             assertFalse(activator.isAlive());
  75             activator.start();
  76             assertTrue(activator.isAlive());
  77
  78             // repeat start - should throw an exception
  79             assertThatIllegalStateException().isThrownBy(() -> activator.start());
  80             assertTrue(activator.isAlive());
  81             verify(publisherFirst, times(1)).active(anyList());
  82             verify(publisherSecond, times(1)).active(anyList());
  83
  84             StandardCoderObject sco = CODER.decode("{messageType:" + TOPIC_FIRST + "}", StandardCoderObject.class);
  85             activator.getMsgDispatcher().onTopicEvent(null, "msg", sco);
  86             verify(listenerFirst, times(1)).onTopicEvent(any(), any(), any());
  87
  88             sco = CODER.decode("{messageType:" + TOPIC_SECOND + "}", StandardCoderObject.class);
  89             activator.getMsgDispatcher().onTopicEvent(null, "msg", sco);
  90             verify(listenerSecond, times(1)).onTopicEvent(any(), any(), any());
  91
  92             activator.stop();
  93             assertFalse(activator.isAlive());
  94
  95             // repeat stop - should throw an exception
  96             assertThatIllegalStateException().isThrownBy(() -> activator.stop());
  97             assertFalse(activator.isAlive());
  98         }
  99     }
 100 }