models-interactions/model-actors/actorServiceProvider/src/test/java/org/onap/policy/controlloop/actorserviceprovider/topic/BidirectionalTopicHandlerTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.controlloop.actorserviceprovider.topic;
  22
  23 import static org.assertj.core.api.Assertions.assertThatThrownBy;
  24 import static org.junit.Assert.assertEquals;
  25 import static org.junit.Assert.assertNotNull;
  26 import static org.junit.Assert.assertSame;
  27 import static org.mockito.ArgumentMatchers.any;
  28 import static org.mockito.ArgumentMatchers.anyString;
  29 import static org.mockito.ArgumentMatchers.eq;
  30 import static org.mockito.Mockito.verify;
  31 import static org.mockito.Mockito.when;
  32
  33 import java.util.Arrays;
  34 import org.junit.Before;
  35 import org.junit.Test;
  36 import org.mockito.Mock;
  37 import org.mockito.MockitoAnnotations;
  38 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
  39 import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
  40 import org.onap.policy.common.endpoints.event.comm.TopicSink;
  41 import org.onap.policy.common.endpoints.event.comm.TopicSource;
  42 import org.onap.policy.common.endpoints.event.comm.client.BidirectionalTopicClientException;
  43
  44 public class BidirectionalTopicHandlerTest {
  45     private static final String UNKNOWN = "unknown";
  46     private static final String MY_SOURCE = "my-source";
  47     private static final String MY_SINK = "my-sink";
  48     private static final String KEY1 = "requestId";
  49     private static final String KEY2 = "subRequestId";
  50
  51     @Mock
  52     private TopicSink publisher;
  53
  54     @Mock
  55     private TopicSource subscriber;
  56
  57     @Mock
  58     private TopicEndpoint mgr;
  59
  60     private MyTopicHandler handler;
  61
  62
  63     /**
  64      * Sets up.
  65      */
  66     @Before
  67     public void setUp() throws BidirectionalTopicClientException {
  68         MockitoAnnotations.initMocks(this);
  69
  70         when(mgr.getTopicSinks(MY_SINK)).thenReturn(Arrays.asList(publisher));
  71         when(mgr.getTopicSources(eq(Arrays.asList(MY_SOURCE)))).thenReturn(Arrays.asList(subscriber));
  72
  73         when(publisher.getTopicCommInfrastructure()).thenReturn(CommInfrastructure.NOOP);
  74
  75         handler = new MyTopicHandler(MY_SINK, MY_SOURCE);
  76
  77         handler.start();
  78     }
  79
  80     @Test
  81     public void testBidirectionalTopicHandler_testGetSource_testGetTarget() {
  82         assertEquals(MY_SOURCE, handler.getSourceTopic());
  83         assertEquals(MY_SINK, handler.getSinkTopic());
  84
  85         verify(mgr).getTopicSinks(anyString());
  86         verify(mgr).getTopicSources(any());
  87
  88         // source not found
  89         assertThatThrownBy(() -> new MyTopicHandler(MY_SINK, UNKNOWN))
  90                         .isInstanceOf(BidirectionalTopicClientException.class).hasMessageContaining("sources")
  91                         .hasMessageContaining(UNKNOWN);
  92
  93         // target not found
  94         assertThatThrownBy(() -> new MyTopicHandler(UNKNOWN, MY_SOURCE))
  95                         .isInstanceOf(BidirectionalTopicClientException.class).hasMessageContaining("sinks")
  96                         .hasMessageContaining(UNKNOWN);
  97     }
  98
  99     @Test
 100     public void testShutdown() {
 101         handler.shutdown();
 102         verify(subscriber).unregister(any());
 103     }
 104
 105     @Test
 106     public void testStart() {
 107         verify(subscriber).register(any());
 108     }
 109
 110     @Test
 111     public void testStop() {
 112         handler.stop();
 113         verify(subscriber).unregister(any());
 114     }
 115
 116     @Test
 117     public void testAddForwarder() {
 118         // array form
 119         Forwarder forwarder = handler.addForwarder(new SelectorKey(KEY1), new SelectorKey(KEY2));
 120         assertNotNull(forwarder);
 121
 122         // repeat using list form
 123         assertSame(forwarder, handler.addForwarder(Arrays.asList(new SelectorKey(KEY1), new SelectorKey(KEY2))));
 124     }
 125
 126     @Test
 127     public void testGetTopicEndpointManager() {
 128         // setting "mgr" to null should cause it to use the superclass' method
 129         mgr = null;
 130         assertNotNull(handler.getTopicEndpointManager());
 131     }
 132
 133
 134     private class MyTopicHandler extends BidirectionalTopicHandler {
 135         public MyTopicHandler(String sinkTopic, String sourceTopic) throws BidirectionalTopicClientException {
 136             super(sinkTopic, sourceTopic);
 137         }
 138
 139         @Override
 140         protected TopicEndpoint getTopicEndpointManager() {
 141             return (mgr != null ? mgr : super.getTopicEndpointManager());
 142         }
 143     }
 144 }