rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/providers/ReactiveCloudConfigurationProviderTest.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * DCAEGEN2-SERVICES-SDK
   4  * ================================================================================
   5  * Copyright (C) 2018-2019 NOKIA 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.dcaegen2.services.sdk.rest.services.cbs.client.providers;
  22
  23 import static org.assertj.core.api.Assertions.assertThat;
  24 import static org.mockito.ArgumentMatchers.any;
  25 import static org.mockito.Mockito.mock;
  26 import static org.mockito.Mockito.times;
  27 import static org.mockito.Mockito.verify;
  28 import static org.mockito.Mockito.when;
  29 import com.google.gson.Gson;
  30 import com.google.gson.JsonArray;
  31 import com.google.gson.JsonObject;
  32 import java.io.IOException;
  33 import java.util.List;
  34 import org.junit.jupiter.api.BeforeEach;
  35 import org.junit.jupiter.api.Test;
  36 import org.mockito.ArgumentCaptor;
  37 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpRequest;
  38 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse;
  39 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
  40 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.streams.gson.GsonUtils;
  41 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
  42 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableCbsClientConfiguration;
  43 import reactor.core.publisher.Mono;
  44 import reactor.test.StepVerifier;
  45
  46 /**
  47  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 11/15/18
  48  */
  49 class ReactiveCloudConfigurationProviderTest {
  50
  51     private static final Gson gson = new Gson();
  52     private static final String CONFIGURATION_MOCK = "{\"test\":1}";
  53     private static final JsonObject CONFIGURATION_JSON_MOCK = gson
  54             .fromJson(CONFIGURATION_MOCK, JsonObject.class);
  55
  56     private final RxHttpClient httpClient = mock(RxHttpClient.class);
  57     private final JsonArray configBindingService = GsonUtils.readObjectArrayFromResource("/sample_config_binding_service.json");
  58
  59     private CbsClientConfiguration cbsClientConfiguration = ImmutableCbsClientConfiguration.builder()
  60             .appName("dcae-prh")
  61             .cbsName("config-binding-service")
  62             .consulHost("consul")
  63             .consulPort(8500)
  64             .build();
  65
  66     private HttpResponse response;
  67     private ReactiveCloudConfigurationProvider provider;
  68
  69     ReactiveCloudConfigurationProviderTest() throws IOException {
  70     }
  71
  72
  73     @BeforeEach
  74     void setUp() {
  75         response = mock(HttpResponse.class);
  76         provider = new ReactiveCloudConfigurationProvider(httpClient);
  77     }
  78
  79     @Test
  80     void shouldReturnPrhConfiguration(){
  81         //when
  82         when(httpClient.call(any(HttpRequest.class))).thenReturn(Mono.just(response));
  83         when(response.bodyAsJson(JsonArray.class)).thenReturn(configBindingService);
  84         when(response.bodyAsJson(JsonObject.class)).thenReturn(CONFIGURATION_JSON_MOCK);
  85
  86
  87         //then
  88         StepVerifier.create(provider.callForServiceConfigurationReactive(cbsClientConfiguration))
  89                 .expectSubscription()
  90                 .expectNext(CONFIGURATION_JSON_MOCK).verifyComplete();
  91     }
  92
  93     @Test
  94     void shouldRequestCorrectUrl(){
  95         // given
  96         String consulRequestUrl = "http://consul:8500/v1/catalog/service/config-binding-service";
  97         String configRequestUrl = "http://config-binding-service:10000/service_component/dcae-prh";
  98
  99         //when
 100         when(httpClient.call(any(HttpRequest.class))).thenReturn(Mono.just(response));
 101         when(response.bodyAsJson(JsonArray.class)).thenReturn(configBindingService);
 102         when(response.bodyAsJson(JsonObject.class)).thenReturn(CONFIGURATION_JSON_MOCK);
 103
 104
 105         //then
 106         StepVerifier.create(provider.callForServiceConfigurationReactive(cbsClientConfiguration))
 107                 .expectSubscription()
 108                 .expectNext(CONFIGURATION_JSON_MOCK).verifyComplete();
 109
 110
 111         ArgumentCaptor<HttpRequest> httpReq = ArgumentCaptor
 112                 .forClass(HttpRequest.class);
 113         verify(httpClient, times(2)).call(httpReq.capture());
 114
 115         List<HttpRequest> allRequests = httpReq.getAllValues();
 116         assertThat(allRequests.get(0).url()).isEqualTo(consulRequestUrl);
 117         assertThat(allRequests.get(1).url()).isEqualTo(configRequestUrl);
 118     }
 119
 120     @Test
 121     void shouldReturnMonoErrorWhenConsuleDoesntHaveConfigBindingServiceEntry() {
 122         // given
 123         JsonArray emptyArray = gson.fromJson("[]", JsonArray.class);
 124
 125         //when
 126         when(httpClient.call(any(HttpRequest.class))).thenReturn(Mono.just(response));
 127         when(response.bodyAsJson(JsonArray.class)).thenReturn(emptyArray);
 128
 129
 130         //then
 131         StepVerifier.create(provider.callForServiceConfigurationReactive(cbsClientConfiguration))
 132                 .expectSubscription()
 133                 .expectError(IllegalStateException.class).verify();
 134     }
 135 }