/*
* Copyright (C) 2016 Square, Inc.
*
* 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.
*/
package retrofit2.adapter.java8;
import java.io.IOException;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.http.GET;
import static okhttp3.mockwebserver.SocketPolicy.DISCONNECT_AFTER_REQUEST;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.fail;
public final class CompletableFutureTest {
@Rule public final MockWebServer server = new MockWebServer();
interface Service {
@GET("/") CompletableFuture<String> body();
@GET("/") CompletableFuture<Response<String>> response();
}
private Service service;
@Before public void setUp() {
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(server.url("/"))
.addConverterFactory(new StringConverterFactory())
.addCallAdapterFactory(Java8CallAdapterFactory.create())
.build();
service = retrofit.create(Service.class);
}
@Test public void bodySuccess200() throws Exception {
server.enqueue(new MockResponse().setBody("Hi"));
CompletableFuture<String> future = service.body();
assertThat(future.get()).isEqualTo("Hi");
}
@Test public void bodySuccess404() throws Exception {
server.enqueue(new MockResponse().setResponseCode(404));
CompletableFuture<String> future = service.body();
try {
future.get();
fail();
} catch (ExecutionException e) {
assertThat(e.getCause())
.isInstanceOf(HttpException.class) // Required for backwards compatibility.
.isInstanceOf(retrofit2.HttpException.class)
.hasMessage("HTTP 404 Client Error");
}
}
@Test public void bodyFailure() throws Exception {
server.enqueue(new MockResponse().setSocketPolicy(DISCONNECT_AFTER_REQUEST));
CompletableFuture<String> future = service.body();
try {
future.get();
fail();
} catch (ExecutionException e) {
assertThat(e.getCause()).isInstanceOf(IOException.class);
}
}
@Test public void responseSuccess200() throws Exception {
server.enqueue(new MockResponse().setBody("Hi"));
CompletableFuture<Response<String>> future = service.response();
Response<String> response = future.get();
assertThat(response.isSuccessful()).isTrue();
assertThat(response.body()).isEqualTo("Hi");
}
@Test public void responseSuccess404() throws Exception {
server.enqueue(new MockResponse().setResponseCode(404).setBody("Hi"));
CompletableFuture<Response<String>> future = service.response();
Response<String> response = future.get();
assertThat(response.isSuccessful()).isFalse();
assertThat(response.errorBody().string()).isEqualTo("Hi");
}
@Test public void responseFailure() throws Exception {
server.enqueue(new MockResponse().setSocketPolicy(DISCONNECT_AFTER_REQUEST));
CompletableFuture<Response<String>> future = service.response();
try {
future.get();
fail();
} catch (ExecutionException e) {
assertThat(e.getCause()).isInstanceOf(IOException.class);
}
}
}