policy-agent/src/test/java/org/oransc/policyagent/dmaap/DmaapMessageConsumerTest.java

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2020 Nordix Foundation
   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.oransc.policyagent.dmaap;
  22
  23 import static ch.qos.logback.classic.Level.WARN;
  24 import static org.assertj.core.api.Assertions.assertThat;
  25 import static org.mockito.ArgumentMatchers.any;
  26 import static org.mockito.Mockito.doNothing;
  27 import static org.mockito.Mockito.doReturn;
  28 import static org.mockito.Mockito.inOrder;
  29 import static org.mockito.Mockito.spy;
  30 import static org.mockito.Mockito.verify;
  31 import static org.mockito.Mockito.verifyNoMoreInteractions;
  32 import static org.mockito.Mockito.when;
  33
  34 import ch.qos.logback.classic.spi.ILoggingEvent;
  35 import ch.qos.logback.core.read.ListAppender;
  36
  37 import java.time.Duration;
  38 import java.util.Arrays;
  39 import java.util.Collections;
  40 import java.util.LinkedList;
  41 import java.util.List;
  42 import java.util.Properties;
  43
  44 import org.junit.jupiter.api.AfterEach;
  45 import org.junit.jupiter.api.Test;
  46 import org.junit.jupiter.api.extension.ExtendWith;
  47 import org.mockito.InOrder;
  48 import org.mockito.Mock;
  49 import org.mockito.junit.jupiter.MockitoExtension;
  50 import org.onap.dmaap.mr.client.MRConsumer;
  51 import org.onap.dmaap.mr.client.response.MRConsumerResponse;
  52 import org.oransc.policyagent.configuration.ApplicationConfig;
  53 import org.oransc.policyagent.tasks.RefreshConfigTask;
  54 import org.oransc.policyagent.utils.LoggingUtils;
  55 import org.springframework.http.HttpStatus;
  56
  57 @ExtendWith(MockitoExtension.class)
  58 public class DmaapMessageConsumerTest {
  59     @Mock
  60     private ApplicationConfig applicationConfigMock;
  61     @Mock
  62     private MRConsumer messageRouterConsumerMock;
  63     @Mock
  64     private DmaapMessageHandler messageHandlerMock;
  65
  66     private DmaapMessageConsumer messageConsumerUnderTest;
  67
  68     @AfterEach
  69     public void resetLogging() {
  70         LoggingUtils.getLogListAppender(DmaapMessageConsumer.class);
  71     }
  72
  73     @Test
  74     public void dmaapNotConfigured_thenSleepAndRetryUntilConfig() throws Exception {
  75         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
  76
  77         doNothing().when(messageConsumerUnderTest).sleep(any(Duration.class));
  78         doReturn(false, false, false, true).when(messageConsumerUnderTest).isStopped();
  79         doReturn(false, true, true).when(messageConsumerUnderTest).isDmaapConfigured();
  80         doReturn(new LinkedList<>()).when(messageConsumerUnderTest).fetchAllMessages();
  81
  82         messageConsumerUnderTest.start().join();
  83
  84         InOrder orderVerifier = inOrder(messageConsumerUnderTest);
  85         orderVerifier.verify(messageConsumerUnderTest).sleep(RefreshConfigTask.CONFIG_REFRESH_INTERVAL);
  86         orderVerifier.verify(messageConsumerUnderTest).fetchAllMessages();
  87     }
  88
  89     @Test
  90     public void dmaapConfigurationRemoved_thenStopPollingDmaapSleepAndRetry() throws Exception {
  91         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
  92
  93         doNothing().when(messageConsumerUnderTest).sleep(any(Duration.class));
  94         doReturn(false, false, false, false, true).when(messageConsumerUnderTest).isStopped();
  95         doReturn(true, true, false).when(messageConsumerUnderTest).isDmaapConfigured();
  96         doReturn(new LinkedList<>()).when(messageConsumerUnderTest).fetchAllMessages();
  97
  98         messageConsumerUnderTest.start().join();
  99
 100         InOrder orderVerifier = inOrder(messageConsumerUnderTest);
 101         orderVerifier.verify(messageConsumerUnderTest).fetchAllMessages();
 102         orderVerifier.verify(messageConsumerUnderTest).sleep(RefreshConfigTask.CONFIG_REFRESH_INTERVAL);
 103     }
 104
 105     @Test
 106     public void dmaapConfiguredAndNoMessages_thenPollOnce() throws Exception {
 107         setUpMrConfig();
 108
 109         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
 110
 111         MRConsumerResponse response = new MRConsumerResponse();
 112         response.setResponseCode(Integer.toString(HttpStatus.OK.value()));
 113         response.setActualMessages(Collections.emptyList());
 114
 115         doReturn(false, false, true).when(messageConsumerUnderTest).isStopped();
 116         doReturn(messageRouterConsumerMock).when(messageConsumerUnderTest)
 117             .getMessageRouterConsumer(any(Properties.class));
 118         when(messageRouterConsumerMock.fetchWithReturnConsumerResponse()).thenReturn(response);
 119
 120         messageConsumerUnderTest.start().join();
 121
 122         verify(messageRouterConsumerMock).fetchWithReturnConsumerResponse();
 123         verifyNoMoreInteractions(messageRouterConsumerMock);
 124     }
 125
 126     @Test
 127     public void dmaapConfiguredAndErrorGettingMessages_thenLogWarningAndSleep() throws Exception {
 128         setUpMrConfig();
 129
 130         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
 131
 132         doNothing().when(messageConsumerUnderTest).sleep(any(Duration.class));
 133         doReturn(false, false, true).when(messageConsumerUnderTest).isStopped();
 134         doReturn(messageRouterConsumerMock).when(messageConsumerUnderTest)
 135             .getMessageRouterConsumer(any(Properties.class));
 136
 137         MRConsumerResponse response = new MRConsumerResponse();
 138         int responseCode = HttpStatus.BAD_REQUEST.value();
 139         response.setResponseCode(Integer.toString(responseCode));
 140         String responseMessage = "Error";
 141         response.setResponseMessage(responseMessage);
 142         when(messageRouterConsumerMock.fetchWithReturnConsumerResponse()).thenReturn(response);
 143
 144         final ListAppender<ILoggingEvent> logAppender =
 145             LoggingUtils.getLogListAppender(DmaapMessageConsumer.class, WARN);
 146
 147         messageConsumerUnderTest.start().join();
 148
 149         assertThat(logAppender.list.toString()
 150             .contains("Cannot fetch because of Error respons " + responseCode + " " + responseMessage + " from DMaaP."))
 151                 .isTrue();
 152
 153         verify(messageConsumerUnderTest).sleep(DmaapMessageConsumer.TIME_BETWEEN_DMAAP_RETRIES);
 154     }
 155
 156     @Test
 157     public void dmaapConfiguredAndOneMessage_thenPollOnceAndProcessMessage() throws Exception {
 158         setUpMrConfig();
 159         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
 160
 161         doReturn(false, false, true).when(messageConsumerUnderTest).isStopped();
 162         doReturn(messageRouterConsumerMock).when(messageConsumerUnderTest)
 163             .getMessageRouterConsumer(any(Properties.class));
 164
 165         MRConsumerResponse response = new MRConsumerResponse();
 166         response.setResponseCode(Integer.toString(HttpStatus.OK.value()));
 167         String responseMessage = "message";
 168         List<String> messages = Arrays.asList(responseMessage);
 169         response.setActualMessages(messages);
 170         when(messageRouterConsumerMock.fetchWithReturnConsumerResponse()).thenReturn(response);
 171
 172         doReturn(messageHandlerMock).when(messageConsumerUnderTest).getDmaapMessageHandler();
 173
 174         messageConsumerUnderTest.start().join();
 175
 176         verify(messageHandlerMock).handleDmaapMsg(responseMessage);
 177         verifyNoMoreInteractions(messageHandlerMock);
 178     }
 179
 180     private Properties setUpMrConfig() {
 181         Properties properties = new Properties();
 182         properties.put("key", "value");
 183         when(applicationConfigMock.getDmaapConsumerConfig()).thenReturn(properties);
 184         when(applicationConfigMock.getDmaapPublisherConfig()).thenReturn(properties);
 185         return properties;
 186     }
 187 }