gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Copyright (C) 2018 Nokia.
   8  * ================================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.so.bpmn.infrastructure.pnf.kafka;
  24
  25
  26 import static org.mockito.ArgumentMatchers.any;
  27 import static org.mockito.ArgumentMatchers.eq;
  28 import static org.mockito.Mockito.mock;
  29 import static org.mockito.Mockito.verify;
  30 import static org.mockito.Mockito.verifyZeroInteractions;
  31 import static org.mockito.Mockito.when;
  32 import java.io.IOException;
  33 import java.lang.reflect.Field;
  34 import java.util.Arrays;
  35 import java.util.Collections;
  36 import java.util.Map;
  37 import java.util.concurrent.ConcurrentHashMap;
  38 import java.util.concurrent.ScheduledThreadPoolExecutor;
  39 import org.junit.Before;
  40 import org.junit.Test;
  41 import org.junit.runner.RunWith;
  42 import org.mockito.Mock;
  43 import org.mockito.junit.MockitoJUnitRunner;
  44 import org.onap.so.bpmn.infrastructure.pnf.kafka.PnfEventReadyKafkaClient.KafkaTopicListenerThread;
  45 import org.onap.so.client.kafka.KafkaConsumerImpl;
  46 import org.springframework.core.env.Environment;
  47
  48
  49 @RunWith(MockitoJUnitRunner.class)
  50 public class PnfEventReadyKafkaClientTest {
  51     private static final String KAFKA_BOOTSTRAP_SERVERS = "localhost:9092";
  52     private static final String PNF_CORRELATION_ID = "corrTestId";
  53     private static final String PNF_CORRELATION_ID_NOT_FOUND_IN_MAP = "otherCorrId";
  54     private static final String[] JSON_EXAMPLE_WITH_PNF_CORRELATION_ID =
  55             {"{\"correlationId\": \"%s\"," + "\"value\":\"value1\"}",
  56                     "{\"correlationId\": \"corr\",\"value\":\"value2\"}"};
  57
  58     private static final String JSON_EXAMPLE_WITH_NO_PNF_CORRELATION_ID = "{\"key1\":\"value1\"}";
  59     private static final String TOPIC_NAME = "unauthenticated.PNF_READY";
  60     private static final String TOPIC_NAME_UPDATE = "unauthenticated.PNF_UPDATE";
  61     private static final String CONSUMER_ID = "so-bpmn-infra-pnfready";
  62     private static final String CONSUMER_ID_UPDATE = "so-bpmn-infra-pnfupdate";
  63     private static final String CONSUMER_GROUP = "so-consumer";
  64     private static final int TOPIC_LISTENER_DELAY_IN_SECONDS = 5;
  65
  66     @Mock
  67     private Environment env;
  68     private PnfEventReadyKafkaClient testedObject;
  69
  70     private KafkaTopicListenerThread testedObjectInnerClassThread;
  71     private KafkaConsumerImpl kafkaConsumerMock;
  72     private Runnable threadMockToNotifyCamundaFlow;
  73     private ScheduledThreadPoolExecutor executorMock;
  74
  75     @Before
  76     public void init() throws NoSuchFieldException, IllegalAccessException, IOException {
  77         when(env.getProperty(eq("pnf.kafka.kafkaBootstrapServers"))).thenReturn(KAFKA_BOOTSTRAP_SERVERS);
  78         when(env.getProperty(eq("pnf.kafka.pnfReadyTopicName"))).thenReturn(TOPIC_NAME);
  79         when(env.getProperty(eq("pnf.kafka.pnfUpdateTopicName"))).thenReturn(TOPIC_NAME_UPDATE);
  80         when(env.getProperty(eq("pnf.kafka.consumerId"))).thenReturn(CONSUMER_ID);
  81         when(env.getProperty(eq("pnf.kafka.consumerIdUpdate"))).thenReturn(CONSUMER_ID_UPDATE);
  82         when(env.getProperty(eq("pnf.kafka.consumerGroup"))).thenReturn(CONSUMER_GROUP);
  83         when(env.getProperty(eq("pnf.kafka.topicListenerDelayInSeconds"), eq(Integer.class)))
  84                 .thenReturn(TOPIC_LISTENER_DELAY_IN_SECONDS);
  85         testedObject = new PnfEventReadyKafkaClient(env);
  86         testedObjectInnerClassThread = testedObject.new KafkaTopicListenerThread();
  87         kafkaConsumerMock = mock(KafkaConsumerImpl.class);
  88         threadMockToNotifyCamundaFlow = mock(Runnable.class);
  89         executorMock = mock(ScheduledThreadPoolExecutor.class);
  90         setPrivateField();
  91     }
  92
  93     /**
  94      * Test run method, where the are following conditions:
  95      * <p>
  96      * - KafkaThreadListener is running, flag is set to true
  97      * <p>
  98      * - map is filled with one entry with the key that we get from response
  99      * <p>
 100      * run method should invoke thread from map to notify camunda process, remove element from the map (map is empty)
 101      * and shutdown the executor because of empty map
 102      */
 103     @Test
 104     public void pnfCorrelationIdIsFoundInHttpResponse_notifyAboutPnfUpdate() throws IOException {
 105         when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class)))
 106                 .thenReturn(Arrays.asList(String.format(JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[0], PNF_CORRELATION_ID),
 107                         JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[1]));
 108         testedObjectInnerClassThread.run();
 109         verify(kafkaConsumerMock).get(TOPIC_NAME_UPDATE, CONSUMER_GROUP, CONSUMER_ID_UPDATE);
 110         verify(threadMockToNotifyCamundaFlow).run();
 111         verify(executorMock).shutdown();
 112     }
 113
 114
 115     @Test
 116     public void pnfCorrelationIdIsFoundInHttpResponse_notifyAboutPnfReady() throws IOException {
 117         when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class)))
 118                 .thenReturn(Collections.emptyList())
 119                 .thenReturn(Arrays.asList(String.format(JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[0], PNF_CORRELATION_ID),
 120                         JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[1]));
 121         testedObjectInnerClassThread.run();
 122         verify(kafkaConsumerMock).get(TOPIC_NAME, CONSUMER_GROUP, CONSUMER_ID);
 123
 124         verify(threadMockToNotifyCamundaFlow).run();
 125         verify(executorMock).shutdown();
 126     }
 127
 128
 129     /**
 130      * Test run method, where the are following conditions:
 131      * <p>
 132      * - KafkaThreadListener is running, flag is set to true
 133      * <p>
 134      * - map is filled with one entry with the pnfCorrelationId that does not match to pnfCorrelationId taken from http
 135      * response. run method should not do anything with the map not run any thread to notify camunda process
 136      */
 137     @Test
 138     public void pnfCorrelationIdIsFoundInHttpResponse_NotFoundInMap() throws IOException {
 139         when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class))).thenReturn(Arrays.asList(
 140                 String.format(JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[0], PNF_CORRELATION_ID_NOT_FOUND_IN_MAP),
 141                 JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[1]));
 142         testedObjectInnerClassThread.run();
 143         verifyZeroInteractions(threadMockToNotifyCamundaFlow, executorMock);
 144     }
 145
 146     /**
 147      * Test run method, where the are following conditions:
 148      * <p>
 149      * - KafkaThreadListener is running, flag is set to true
 150      * <p>
 151      * - map is filled with one entry with the pnfCorrelationId but no correlation id is taken from HttpResponse run
 152      * method should not do anything with the map and not run any thread to notify camunda process
 153      */
 154     @Test
 155     public void pnfCorrelationIdIsNotFoundInHttpResponse() throws IOException {
 156         when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class)))
 157                 .thenReturn(Arrays.asList(JSON_EXAMPLE_WITH_NO_PNF_CORRELATION_ID));
 158         testedObjectInnerClassThread.run();
 159         verifyZeroInteractions(threadMockToNotifyCamundaFlow, executorMock);
 160     }
 161
 162     private void setPrivateField() throws NoSuchFieldException, IllegalAccessException {
 163         Field consumerForPnfReadyField = testedObject.getClass().getDeclaredField("consumerForPnfReady");
 164         consumerForPnfReadyField.setAccessible(true);
 165         consumerForPnfReadyField.set(testedObject, kafkaConsumerMock);
 166         consumerForPnfReadyField.setAccessible(false);
 167
 168         Field consumerForPnfUpdateField = testedObject.getClass().getDeclaredField("consumerForPnfUpdate");
 169         consumerForPnfUpdateField.setAccessible(true);
 170         consumerForPnfUpdateField.set(testedObject, kafkaConsumerMock);
 171         consumerForPnfUpdateField.setAccessible(false);
 172
 173         Field executorField = testedObject.getClass().getDeclaredField("executor");
 174         executorField.setAccessible(true);
 175         executorField.set(testedObject, executorMock);
 176         executorField.setAccessible(false);
 177
 178         Field pnfCorrelationToThreadMapField = testedObject.getClass().getDeclaredField("pnfCorrelationIdToThreadMap");
 179         pnfCorrelationToThreadMapField.setAccessible(true);
 180         Map<String, Runnable> pnfCorrelationToThreadMap = new ConcurrentHashMap<>();
 181         pnfCorrelationToThreadMap.put(PNF_CORRELATION_ID, threadMockToNotifyCamundaFlow);
 182         pnfCorrelationToThreadMapField.set(testedObject, pnfCorrelationToThreadMap);
 183
 184         Field threadRunFlag = testedObject.getClass().getDeclaredField("kafkaThreadListenerIsRunning");
 185         threadRunFlag.setAccessible(true);
 186         threadRunFlag.set(testedObject, true);
 187         threadRunFlag.setAccessible(false);
 188     }
 189
 190 }