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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019 Nokia. All rights reserved.
* =========================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=====================================
*/
package org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.isA;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import java.io.InputStreamReader;
import java.net.InetSocketAddress;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpMethod;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpRequest;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.ImmutableHttpResponse;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.exceptions.ServiceLookupException;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableEnvProperties;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
/**
* @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
* @since February 2019
*/
class CbsLookupTest {
private final EnvProperties env = ImmutableEnvProperties.builder()
.cbsName("cbs-service")
.consulHost("consul.local")
.consulPort(8050)
.appName("whatever").build();
private final RxHttpClient httpClient = mock(RxHttpClient.class);
private final CbsLookup cut = new CbsLookup(httpClient);
@Test
void lookupShouldReturnValidConfiguration() {
// given
givenConsulResponse(parseResource("/consul_cbs_service.json").getAsJsonArray());
// when
final InetSocketAddress result = cut.lookup(env).block();
// then
assertThat(result.getHostString()).isEqualTo("config-binding-service");
assertThat(result.getPort()).isEqualTo(10000);
final String url = "http://"
+ env.consulHost()
+ ":"
+ env.consulPort()
+ "/v1/catalog/service/"
+ env.cbsName();
verifyHttpGetHasBeenCalled(url);
}
@Test
void lookupShouldEmitErrorWhenServiceArrayIsEmpty() {
// given
givenConsulResponse(new JsonArray());
// when
final Mono<InetSocketAddress> result = cut.lookup(env);
// then
StepVerifier.create(result).verifyError(ServiceLookupException.class);
}
private JsonElement parseResource(String resource) {
return new JsonParser().parse(new InputStreamReader(CbsLookupTest.class.getResourceAsStream(resource)));
}
private void givenConsulResponse(JsonArray jsonArray) {
given(httpClient.call(any(HttpRequest.class)))
.willReturn(Mono.just(ImmutableHttpResponse.builder()
.url("http://xxx")
.statusCode(200)
.rawBody(jsonArray.toString().getBytes())
.build()));
}
private void verifyHttpGetHasBeenCalled(String url) {
final ArgumentCaptor<HttpRequest> httpRequestArgumentCaptor = ArgumentCaptor.forClass(HttpRequest.class);
verify(httpClient).call(httpRequestArgumentCaptor.capture());
assertThat(httpRequestArgumentCaptor.getValue().url())
.describedAs("HTTP request URL")
.isEqualTo(url);
assertThat(httpRequestArgumentCaptor.getValue().method())
.describedAs("HTTP request method")
.isEqualTo(HttpMethod.GET);
}
}
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