appc-adapters/appc-dmaap-adapter/appc-dmaap-adapter-bundle/src/test/java/org/onap/appc/adapter/messaging/dmaap/http/TestHttpDmaapConsumerImpl.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2018 Nokia. 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.appc.adapter.messaging.dmaap.http;
  22
  23 import static javax.ws.rs.core.Response.Status.FORBIDDEN;
  24 import static javax.ws.rs.core.Response.Status.OK;
  25 import static org.junit.Assert.assertFalse;
  26 import static org.junit.Assert.assertTrue;
  27 import static org.mockito.Matchers.any;
  28 import static org.mockito.Matchers.same;
  29 import static org.mockito.Mockito.doReturn;
  30 import static org.mockito.Mockito.reset;
  31 import static org.mockito.Mockito.verify;
  32 import static org.mockito.Mockito.verifyNoMoreInteractions;
  33 import static org.mockito.Mockito.when;
  34
  35 import java.util.Arrays;
  36 import java.util.Collection;
  37 import java.util.List;
  38 import org.apache.http.HttpEntity;
  39 import org.apache.http.StatusLine;
  40 import org.apache.http.client.ClientProtocolException;
  41 import org.apache.http.client.methods.CloseableHttpResponse;
  42 import org.apache.http.client.methods.HttpGet;
  43 import org.apache.http.impl.client.CloseableHttpClient;
  44 import org.junit.Before;
  45 import org.junit.Test;
  46 import org.mockito.Mock;
  47 import org.mockito.MockitoAnnotations;
  48 import org.mockito.Spy;
  49
  50 public class TestHttpDmaapConsumerImpl {
  51
  52     private static final Collection<String> URLS = Arrays.asList("test.com", "test.org");
  53     private static final Collection<String> OUTPUT_MSG = Arrays.asList("FirstMessage", "SecondMessage");
  54     private static final String TOPIC_NAME = "Topic";
  55     private static final String CONSUMER_NAME = "Consumer";
  56     private static final String CONSUMER_ID = "Id";
  57     private static final String FILTER = "filter";
  58     private static final String USERNAME = "username";
  59     private static final String PASSWORD = "password";
  60     private static final String MESSAGE_BODY = "[FirstMessage, SecondMessage]";
  61     private static final int TIMEOUT_MS = 1000;
  62     private static final int LIMIT = 1000;
  63
  64     @Spy
  65     private HttpDmaapConsumerImpl httpDmaapConsumer;
  66
  67     @Mock
  68     private CloseableHttpClient httpClient;
  69
  70     @Mock
  71     private CloseableHttpResponse httpResponse;
  72
  73     @Mock
  74     private StatusLine statusLine;
  75
  76     @Mock
  77     private HttpEntity entity;
  78
  79     @Before
  80     public void setUp() throws Exception {
  81         httpDmaapConsumer = new HttpDmaapConsumerImpl(URLS, TOPIC_NAME, CONSUMER_NAME, CONSUMER_ID, FILTER);
  82         httpDmaapConsumer.updateCredentials(USERNAME, PASSWORD);
  83
  84         MockitoAnnotations.initMocks(this);
  85         doReturn(httpClient).when(httpDmaapConsumer).getClient();
  86         when(httpClient.execute(any(HttpGet.class))).thenReturn(httpResponse);
  87         when(httpResponse.getStatusLine()).thenReturn(statusLine);
  88         when(httpResponse.getEntity()).thenReturn(entity);
  89         doReturn(MESSAGE_BODY).when(httpDmaapConsumer).entityToString(same(entity));
  90     }
  91
  92     @Test
  93     public void shouldGetHttpRequest() throws Exception {
  94
  95         when(statusLine.getStatusCode()).thenReturn(OK.getStatusCode());
  96
  97         List<String> output =  httpDmaapConsumer.fetch();
  98
  99         assertFalse(output.isEmpty());
 100         assertTrue(output.containsAll(OUTPUT_MSG));
 101         verify(httpClient).execute(any(HttpGet.class));
 102         verify(httpResponse).getStatusLine();
 103         verify(httpResponse).getEntity();
 104         verify(httpResponse).close();
 105         verify(statusLine).getStatusCode();
 106         verifyNoMoreInteractions(httpClient, httpResponse, statusLine, entity);
 107     }
 108
 109     @Test
 110     public void shouldNotGetHttpRequest_whenCredencialsAreNotProvided() {
 111
 112         httpDmaapConsumer.updateCredentials(null, null);
 113
 114         List<String> output =  httpDmaapConsumer.fetch(TIMEOUT_MS, LIMIT);
 115
 116         assertTrue(output.isEmpty());
 117         verifyNoMoreInteractions(httpClient, httpResponse, statusLine, entity);
 118     }
 119
 120     @Test
 121     public void shouldNotBeSuccessful_whenHttpResponseIsOtherThanOk() throws Exception {
 122
 123         when(statusLine.getStatusCode()).thenReturn(FORBIDDEN.getStatusCode());
 124
 125         List<String> output =  httpDmaapConsumer.fetch(TIMEOUT_MS, LIMIT);
 126
 127         assertTrue(output.isEmpty());
 128         verify(httpClient).execute(any(HttpGet.class));
 129         verify(httpResponse).getStatusLine();
 130         verify(httpResponse).getEntity();
 131         verify(httpResponse).close();
 132         verify(statusLine).getStatusCode();
 133         verifyNoMoreInteractions(httpClient, httpResponse, statusLine, entity);
 134     }
 135
 136     @Test
 137     public void shouldNotBeSuccessful_whenRequestToOneOfUrlsCannotBeSent() throws Exception {
 138
 139         when(httpClient.execute(any(HttpGet.class))).thenThrow(new ClientProtocolException());
 140
 141         List<String> output =  httpDmaapConsumer.fetch(TIMEOUT_MS, LIMIT);
 142
 143         assertTrue(output.isEmpty());
 144         verify(httpClient).execute(any(HttpGet.class));
 145         verifyNoMoreInteractions(httpClient, httpResponse, statusLine, entity);
 146
 147
 148         reset(httpClient);
 149         when(httpClient.execute(any(HttpGet.class))).thenReturn(httpResponse);
 150         when(statusLine.getStatusCode()).thenReturn(OK.getStatusCode());
 151
 152         output =  httpDmaapConsumer.fetch(TIMEOUT_MS, LIMIT);
 153
 154         assertFalse(output.isEmpty());
 155         assertTrue(output.containsAll(OUTPUT_MSG));
 156         verify(httpClient).execute(any(HttpGet.class));
 157         verify(httpResponse).getStatusLine();
 158         verify(httpResponse).getEntity();
 159         verify(httpResponse).close();
 160         verify(statusLine).getStatusCode();
 161         verifyNoMoreInteractions(httpClient, httpResponse, statusLine, entity);
 162     }
 163
 164 }