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.utils.LoggingUtils;
  54 import org.springframework.http.HttpStatus;
  55
  56 @ExtendWith(MockitoExtension.class)
  57 public class DmaapMessageConsumerTest {
  58     @Mock
  59     private ApplicationConfig applicationConfigMock;
  60     @Mock
  61     private MRConsumer messageRouterConsumerMock;
  62     @Mock
  63     private DmaapMessageHandler messageHandlerMock;
  64
  65     private DmaapMessageConsumer messageConsumerUnderTest;
  66
  67     @AfterEach
  68     public void resetLogging() {
  69         LoggingUtils.getLogListAppender(DmaapMessageConsumer.class);
  70     }
  71
  72     @Test
  73     public void dmaapNotConfigured_thenSleepAndRetryUntilConfig() throws Exception {
  74         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
  75
  76         doNothing().when(messageConsumerUnderTest).sleep(any(Duration.class));
  77         doReturn(false, false, false, true).when(messageConsumerUnderTest).isStopped();
  78         doReturn(false, true, true).when(messageConsumerUnderTest).isDmaapConfigured();
  79         doReturn(new LinkedList<>()).when(messageConsumerUnderTest).fetchAllMessages();
  80
  81         messageConsumerUnderTest.start().join();
  82
  83         InOrder orderVerifier = inOrder(messageConsumerUnderTest);
  84         orderVerifier.verify(messageConsumerUnderTest).sleep(DmaapMessageConsumer.TIME_BETWEEN_DMAAP_RETRIES);
  85         orderVerifier.verify(messageConsumerUnderTest).fetchAllMessages();
  86     }
  87
  88     @Test
  89     public void dmaapConfigurationRemoved_thenStopPollingDmaapSleepAndRetry() throws Exception {
  90         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
  91
  92         doNothing().when(messageConsumerUnderTest).sleep(any(Duration.class));
  93         doReturn(false, false, false, false, true).when(messageConsumerUnderTest).isStopped();
  94         doReturn(true, true, false).when(messageConsumerUnderTest).isDmaapConfigured();
  95         doReturn(new LinkedList<>()).when(messageConsumerUnderTest).fetchAllMessages();
  96
  97         messageConsumerUnderTest.start().join();
  98
  99         InOrder orderVerifier = inOrder(messageConsumerUnderTest);
 100         orderVerifier.verify(messageConsumerUnderTest).fetchAllMessages();
 101         orderVerifier.verify(messageConsumerUnderTest).sleep(DmaapMessageConsumer.TIME_BETWEEN_DMAAP_RETRIES);
 102     }
 103
 104     @Test
 105     public void dmaapConfiguredAndNoMessages_thenPollOnce() throws Exception {
 106         setUpMrConfig();
 107
 108         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
 109
 110         MRConsumerResponse response = new MRConsumerResponse();
 111         response.setResponseCode(Integer.toString(HttpStatus.OK.value()));
 112         response.setActualMessages(Collections.emptyList());
 113
 114         doReturn(false, true).when(messageConsumerUnderTest).isStopped();
 115         doReturn(messageRouterConsumerMock).when(messageConsumerUnderTest)
 116             .getMessageRouterConsumer(any(Properties.class));
 117         when(messageRouterConsumerMock.fetchWithReturnConsumerResponse()).thenReturn(response);
 118
 119         messageConsumerUnderTest.start().join();
 120
 121         verify(messageRouterConsumerMock).fetchWithReturnConsumerResponse();
 122         verifyNoMoreInteractions(messageRouterConsumerMock);
 123     }
 124
 125     @Test
 126     public void dmaapConfiguredAndErrorGettingMessages_thenLogWarningAndSleep() throws Exception {
 127         setUpMrConfig();
 128
 129         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
 130
 131         doNothing().when(messageConsumerUnderTest).sleep(any(Duration.class));
 132         doReturn(false, true).when(messageConsumerUnderTest).isStopped();
 133         doReturn(messageRouterConsumerMock).when(messageConsumerUnderTest)
 134             .getMessageRouterConsumer(any(Properties.class));
 135
 136         MRConsumerResponse response = new MRConsumerResponse();
 137         int responseCode = HttpStatus.BAD_REQUEST.value();
 138         response.setResponseCode(Integer.toString(responseCode));
 139         String responseMessage = "Error";
 140         response.setResponseMessage(responseMessage);
 141         when(messageRouterConsumerMock.fetchWithReturnConsumerResponse()).thenReturn(response);
 142
 143         final ListAppender<ILoggingEvent> logAppender =
 144             LoggingUtils.getLogListAppender(DmaapMessageConsumer.class, WARN);
 145
 146         messageConsumerUnderTest.start().join();
 147
 148         assertThat(logAppender.list.toString()
 149             .contains("Cannot fetch because of Error respons " + responseCode + " " + responseMessage + " from DMaaP."))
 150                 .isTrue();
 151
 152         verify(messageConsumerUnderTest).sleep(DmaapMessageConsumer.TIME_BETWEEN_DMAAP_RETRIES);
 153     }
 154
 155     @Test
 156     public void dmaapConfiguredAndOneMessage_thenPollOnceAndProcessMessage() throws Exception {
 157         setUpMrConfig();
 158         messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
 159
 160         doReturn(false, true).when(messageConsumerUnderTest).isStopped();
 161         doReturn(messageRouterConsumerMock).when(messageConsumerUnderTest)
 162             .getMessageRouterConsumer(any(Properties.class));
 163
 164         MRConsumerResponse response = new MRConsumerResponse();
 165         response.setResponseCode(Integer.toString(HttpStatus.OK.value()));
 166         String responseMessage = "message";
 167         List<String> messages = Arrays.asList(responseMessage);
 168         response.setActualMessages(messages);
 169         when(messageRouterConsumerMock.fetchWithReturnConsumerResponse()).thenReturn(response);
 170
 171         doReturn(messageHandlerMock).when(messageConsumerUnderTest).getDmaapMessageHandler();
 172
 173         messageConsumerUnderTest.start().join();
 174
 175         verify(messageHandlerMock).handleDmaapMsg(responseMessage);
 176         verifyNoMoreInteractions(messageHandlerMock);
 177     }
 178
 179     private Properties setUpMrConfig() {
 180         Properties properties = new Properties();
 181         properties.put("key", "value");
 182         when(applicationConfigMock.getDmaapConsumerConfig()).thenReturn(properties);
 183         when(applicationConfigMock.getDmaapPublisherConfig()).thenReturn(properties);
 184         return properties;
 185     }
 186 }