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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
   6  * Modifications Copyright (C) 2024 Nordix Foundation
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.policy.controlloop.actorserviceprovider.topic;
  23
  24 import static org.assertj.core.api.Assertions.assertThatThrownBy;
  25 import static org.junit.jupiter.api.Assertions.assertEquals;
  26 import static org.junit.jupiter.api.Assertions.assertNotNull;
  27 import static org.junit.jupiter.api.Assertions.assertSame;
  28 import static org.mockito.ArgumentMatchers.any;
  29 import static org.mockito.ArgumentMatchers.anyString;
  30 import static org.mockito.Mockito.verify;
  31 import static org.mockito.Mockito.when;
  32
  33 import java.util.Arrays;
  34 import org.junit.jupiter.api.BeforeEach;
  35 import org.junit.jupiter.api.Test;
  36 import org.junit.jupiter.api.TestInstance;
  37 import org.junit.jupiter.api.extension.ExtendWith;
  38 import org.mockito.Mock;
  39 import org.mockito.junit.jupiter.MockitoExtension;
  40 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
  41 import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
  42 import org.onap.policy.common.endpoints.event.comm.TopicSink;
  43 import org.onap.policy.common.endpoints.event.comm.TopicSource;
  44 import org.onap.policy.common.endpoints.event.comm.client.BidirectionalTopicClientException;
  45
  46 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
  47 @ExtendWith(MockitoExtension.class)
  48 class BidirectionalTopicHandlerTest {
  49     private static final String UNKNOWN = "unknown";
  50     private static final String MY_SOURCE = "my-source";
  51     private static final String MY_SINK = "my-sink";
  52     private static final String KEY1 = "requestId";
  53     private static final String KEY2 = "subRequestId";
  54
  55     @Mock
  56     private TopicSink publisher;
  57
  58     @Mock
  59     private TopicSource subscriber;
  60
  61     @Mock
  62     private TopicEndpoint mgr;
  63
  64     private MyTopicHandler handler;
  65
  66
  67     /**
  68      * Sets up.
  69      */
  70     @BeforeEach
  71     void setUp() throws BidirectionalTopicClientException {
  72         when(mgr.getTopicSinks(MY_SINK)).thenReturn(Arrays.asList(publisher));
  73         when(mgr.getTopicSources(Arrays.asList(MY_SOURCE))).thenReturn(Arrays.asList(subscriber));
  74
  75         when(publisher.getTopicCommInfrastructure()).thenReturn(CommInfrastructure.NOOP);
  76
  77         handler = new MyTopicHandler(MY_SINK, MY_SOURCE);
  78
  79         handler.start();
  80     }
  81
  82     @Test
  83     void testBidirectionalTopicHandler_testGetSource_testGetTarget() {
  84         assertEquals(MY_SOURCE, handler.getSourceTopic());
  85         assertEquals(MY_SINK, handler.getSinkTopic());
  86
  87         verify(mgr).getTopicSinks(anyString());
  88         verify(mgr).getTopicSources(any());
  89
  90         // source not found
  91         assertThatThrownBy(() -> new MyTopicHandler(MY_SINK, UNKNOWN))
  92                         .isInstanceOf(BidirectionalTopicClientException.class).hasMessageContaining("sources")
  93                         .hasMessageContaining(UNKNOWN);
  94
  95         // target not found
  96         assertThatThrownBy(() -> new MyTopicHandler(UNKNOWN, MY_SOURCE))
  97                         .isInstanceOf(BidirectionalTopicClientException.class).hasMessageContaining("sinks")
  98                         .hasMessageContaining(UNKNOWN);
  99     }
 100
 101     @Test
 102     void testShutdown() {
 103         handler.shutdown();
 104         verify(subscriber).unregister(any());
 105     }
 106
 107     @Test
 108      void testStart() {
 109         verify(subscriber).register(any());
 110     }
 111
 112     @Test
 113      void testStop() {
 114         handler.stop();
 115         verify(subscriber).unregister(any());
 116     }
 117
 118     @Test
 119      void testAddForwarder() {
 120         // array form
 121         Forwarder forwarder = handler.addForwarder(new SelectorKey(KEY1), new SelectorKey(KEY2));
 122         assertNotNull(forwarder);
 123
 124         // repeat using list form
 125         assertSame(forwarder, handler.addForwarder(Arrays.asList(new SelectorKey(KEY1), new SelectorKey(KEY2))));
 126     }
 127
 128     @Test
 129      void testGetTopicEndpointManager() {
 130         // setting "mgr" to null should cause it to use the superclass' method
 131         mgr = null;
 132         assertNotNull(handler.getTopicEndpointManager());
 133     }
 134
 135
 136     private class MyTopicHandler extends BidirectionalTopicHandler {
 137         MyTopicHandler(String sinkTopic, String sourceTopic) throws BidirectionalTopicClientException {
 138             super(sinkTopic, sourceTopic);
 139         }
 140
 141         @Override
 142         protected TopicEndpoint getTopicEndpointManager() {
 143             return (mgr != null ? mgr : super.getTopicEndpointManager());
 144         }
 145     }
 146 }