gerrit.onap Code Review - dcaegen2/services/sdk.git/blob

   1 /*
   2  * ============LICENSE_START====================================
   3  * DCAEGEN2-SERVICES-SDK
   4  * =========================================================
   5  * Copyright (C) 2019 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.dcaegen2.services.sdk.rest.services.dmaap.client.impl;
  22
  23 import static org.assertj.core.api.Assertions.assertThat;
  24 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  25 import static org.mockito.ArgumentMatchers.any;
  26 import static org.mockito.BDDMockito.given;
  27 import static org.mockito.Mockito.mock;
  28 import static org.mockito.Mockito.verify;
  29
  30 import com.google.gson.JsonSyntaxException;
  31 import org.junit.jupiter.api.Test;
  32 import org.mockito.ArgumentCaptor;
  33 import org.onap.dcaegen2.services.sdk.model.streams.dmaap.ImmutableMessageRouterSource;
  34 import org.onap.dcaegen2.services.sdk.model.streams.dmaap.MessageRouterSource;
  35 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.*;
  36 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.api.MessageRouterSubscriber;
  37 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterSubscribeRequest;
  38 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterSubscribeRequest;
  39 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterSubscribeResponse;
  40 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterSubscriberConfig;
  41 import reactor.core.publisher.Mono;
  42
  43 /**
  44  * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
  45  * @since May 2019
  46  */
  47 class MessageRouterSubscriberImplTest {
  48
  49     private final RxHttpClient httpClient = mock(RxHttpClient.class);
  50     private final MessageRouterSubscriberConfig clientConfig = MessageRouterSubscriberConfig.createDefault();
  51     private final MessageRouterSubscriber cut = new MessageRouterSubscriberImpl(httpClient, clientConfig.gsonInstance());
  52
  53     private final ArgumentCaptor<HttpRequest> httpRequestArgumentCaptor = ArgumentCaptor.forClass(HttpRequest.class);
  54     private final MessageRouterSource sourceDefinition = ImmutableMessageRouterSource.builder()
  55             .name("sample topic")
  56             .topicUrl("https://dmaap-mr/TOPIC")
  57             .build();
  58     private final MessageRouterSubscribeRequest mrRequest = ImmutableMessageRouterSubscribeRequest.builder()
  59             .consumerGroup("SAMPLE-GROUP")
  60             .sourceDefinition(sourceDefinition)
  61             .build();
  62     private final HttpResponse httpResponse = ImmutableHttpResponse.builder()
  63             .statusCode(200)
  64             .statusReason("OK")
  65             .url(sourceDefinition.topicUrl())
  66             .rawBody("[]".getBytes())
  67             .build();
  68     private final HttpResponse httpResponseWithWrongStatusCode = ImmutableHttpResponse.builder()
  69             .statusCode(301)
  70             .statusReason("Something braked")
  71             .url(sourceDefinition.topicUrl())
  72             .rawBody("[]".getBytes())
  73             .build();
  74     private final HttpResponse httpResponseWithIncorrectJson = ImmutableHttpResponse.builder()
  75             .statusCode(200)
  76             .statusReason("OK")
  77             .url(sourceDefinition.topicUrl())
  78             .rawBody("{}".getBytes())
  79             .build();
  80
  81     @Test
  82     void getWithProperRequest_shouldReturnCorrectResponse() {
  83         // given
  84         given(httpClient.call(any(HttpRequest.class))).willReturn(Mono.just(httpResponse));
  85
  86         // when
  87         final Mono<MessageRouterSubscribeResponse> responses = cut
  88                 .get(mrRequest);
  89         final MessageRouterSubscribeResponse response = responses.block();
  90
  91         // then
  92         assertThat(response.successful()).isTrue();
  93         assertThat(response.failReason()).isNull();
  94         assertThat(response.hasElements()).isFalse();
  95
  96
  97         verify(httpClient).call(httpRequestArgumentCaptor.capture());
  98         final HttpRequest httpRequest = httpRequestArgumentCaptor.getValue();
  99         assertThat(httpRequest.method()).isEqualTo(HttpMethod.GET);
 100         assertThat(httpRequest.url()).isEqualTo(String.format("%s/%s/%s", sourceDefinition.topicUrl(),
 101                 mrRequest.consumerGroup(), mrRequest.consumerId()));
 102         assertThat(httpRequest.body()).isNull();
 103     }
 104
 105     @Test
 106     void getWithProperRequestButNotSuccessfulHttpRequest_shouldReturnMonoWithFailReason() {
 107         // given
 108         given(httpClient.call(any(HttpRequest.class))).willReturn(Mono.just(httpResponseWithWrongStatusCode));
 109
 110         // when
 111         final Mono<MessageRouterSubscribeResponse> responses = cut
 112                 .get(mrRequest);
 113         final MessageRouterSubscribeResponse response = responses.block();
 114
 115         // then
 116         assertThat(response.failed()).isTrue();
 117         assertThat(response.failReason()).
 118                 isEqualTo(String.format("%d %s%n%s", httpResponseWithWrongStatusCode.statusCode(),
 119                         httpResponseWithWrongStatusCode.statusReason(),
 120                         httpResponseWithWrongStatusCode.bodyAsString()));
 121     }
 122
 123     @Test
 124     void getWithImproperRawBody_shouldThrowNPE() {
 125         // given
 126         given(httpClient.call(any(HttpRequest.class))).willReturn(Mono.just(httpResponseWithIncorrectJson));
 127
 128         // when
 129         // then
 130         assertThatExceptionOfType(JsonSyntaxException.class).isThrownBy(() -> cut.get(mrRequest).block());
 131     }
 132 }