dcae-analytics-cdap-common/src/test/java/org/onap/dcae/apod/analytics/cdap/common/utils/DMaaPMRUtilsTest.java

   1 /*
   2  * ===============================LICENSE_START======================================
   3  *  dcae-analytics
   4  * ================================================================================
   5  *    Copyright © 2017 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.dcae.apod.analytics.cdap.common.utils;
  22
  23 import co.cask.cdap.api.metrics.Metrics;
  24 import com.google.common.collect.ImmutableList;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27 import org.mockito.ArgumentMatchers;
  28 import org.mockito.Mockito;
  29 import org.onap.dcae.apod.analytics.cdap.common.BaseAnalyticsCDAPCommonUnitTest;
  30 import org.onap.dcae.apod.analytics.cdap.common.CDAPMetricsConstants;
  31 import org.onap.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
  32 import org.onap.dcae.apod.analytics.dmaap.domain.response.DMaaPMRSubscriberResponse;
  33 import org.onap.dcae.apod.analytics.dmaap.service.subscriber.DMaaPMRSubscriber;
  34
  35 import java.util.Collections;
  36
  37 import static org.mockito.ArgumentMatchers.anyInt;
  38 import static org.mockito.ArgumentMatchers.anyString;
  39 import static org.mockito.ArgumentMatchers.eq;
  40 import static org.mockito.Mockito.doNothing;
  41 import static org.mockito.Mockito.mock;
  42 import static org.mockito.Mockito.verify;
  43 import static org.mockito.Mockito.when;
  44
  45 /**
  46  * @author Rajiv Singla . Creation Date: 2/6/2017.
  47  */
  48 public class DMaaPMRUtilsTest extends BaseAnalyticsCDAPCommonUnitTest {
  49
  50     private DMaaPMRSubscriber subscriber;
  51     private Metrics metrics;
  52
  53
  54     @Before
  55     public void before() throws Exception {
  56         metrics = mock(Metrics.class);
  57         doNothing().when(metrics).count(anyString(), anyInt());
  58         subscriber = mock(DMaaPMRSubscriber.class);
  59     }
  60
  61     @Test
  62     public void testGetSubscriberMessagesWhenMessagesAreFound() throws Exception {
  63         final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
  64         when(subscriberResponse.getResponseCode()).thenReturn(200);
  65         when(subscriberResponse.getResponseMessage()).thenReturn("testMessage");
  66         when(subscriberResponse.getFetchedMessages()).thenReturn(ImmutableList.of("testMessage1", "testMessage1"));
  67         when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
  68         DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
  69         verify(metrics, Mockito.times(1)).count(ArgumentMatchers.eq(CDAPMetricsConstants
  70                 .DMAAP_MR_SUBSCRIBER_TOTAL_MESSAGES_PROCESSED_METRIC), eq(2));
  71     }
  72
  73     @Test
  74     public void testSubscriberMessagesWhenSubscriberResponseCodeIsNull() throws Exception {
  75         final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
  76         when(subscriberResponse.getResponseCode()).thenReturn(null);
  77         when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
  78         DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
  79     }
  80
  81     @Test
  82     public void testSubscriberMessagesWhenNoMessagesFound() throws Exception {
  83         final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
  84         when(subscriberResponse.getResponseCode()).thenReturn(200);
  85         when(subscriberResponse.getResponseMessage()).thenReturn("no messages");
  86         when(subscriberResponse.getFetchedMessages()).thenReturn(Collections.<String>emptyList());
  87         when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
  88         DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
  89         verify(metrics, Mockito.times(1)).count(eq(CDAPMetricsConstants
  90                 .DMAAP_MR_SUBSCRIBER_RESPONSES_WITH_NO_MESSAGES_METRIC), eq(1));
  91     }
  92
  93
  94     @Test
  95     public void testWhenSubscriberReturnNonSuccessfulReturnCode() throws Exception {
  96         final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
  97         when(subscriberResponse.getResponseCode()).thenReturn(500);
  98         when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
  99         DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
 100         verify(metrics, Mockito.times(1)).count(eq(CDAPMetricsConstants
 101                 .DMAAP_MR_SUBSCRIBER_UNSUCCESSFUL_RESPONSES_METRIC), eq(1));
 102     }
 103
 104     @Test
 105     public void testWhenSubscriberThrowsException() throws Exception {
 106         final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
 107         when(subscriberResponse.getResponseCode()).thenReturn(500);
 108         when(subscriber.fetchMessages()).thenThrow(DCAEAnalyticsRuntimeException.class);
 109         DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
 110     }
 111
 112 }