/*
* Copyright (C) 2017 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.rxjava2;
import io.reactivex.Completable;
import io.reactivex.exceptions.CompositeException;
import io.reactivex.exceptions.Exceptions;
import io.reactivex.functions.Consumer;
import io.reactivex.observers.TestObserver;
import io.reactivex.plugins.RxJavaPlugins;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.CompletableThrowingTest.ForwardingCompletableObserver;
import retrofit2.http.GET;
import static java.util.concurrent.TimeUnit.SECONDS;
import static okhttp3.mockwebserver.SocketPolicy.DISCONNECT_AFTER_REQUEST;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertFalse;
public final class AsyncTest {
@Rule public final MockWebServer server = new MockWebServer();
interface Service {
@GET("/") Completable completable();
}
private Service service;
@Before public void setUp() {
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(server.url("/"))
.addCallAdapterFactory(RxJava2CallAdapterFactory.createAsync())
.build();
service = retrofit.create(Service.class);
}
@Test public void success() throws InterruptedException {
TestObserver<Void> observer = new TestObserver<>();
service.completable().subscribe(observer);
assertFalse(observer.await(1, SECONDS));
server.enqueue(new MockResponse());
observer.awaitTerminalEvent(1, SECONDS);
observer.assertComplete();
}
@Test public void failure() throws InterruptedException {
TestObserver<Void> observer = new TestObserver<>();
service.completable().subscribe(observer);
assertFalse(observer.await(1, SECONDS));
server.enqueue(new MockResponse().setSocketPolicy(DISCONNECT_AFTER_REQUEST));
observer.awaitTerminalEvent(1, SECONDS);
observer.assertError(IOException.class);
}
@Test public void throwingInOnCompleteDeliveredToPlugin() throws InterruptedException {
server.enqueue(new MockResponse());
final CountDownLatch latch = new CountDownLatch(1);
final AtomicReference<Throwable> errorRef = new AtomicReference<>();
RxJavaPlugins.setErrorHandler(new Consumer<Throwable>() {
@Override public void accept(Throwable throwable) throws Exception {
if (!errorRef.compareAndSet(null, throwable)) {
throw Exceptions.propagate(throwable); // Don't swallow secondary errors!
}
latch.countDown();
}
});
TestObserver<Void> observer = new TestObserver<>();
final RuntimeException e = new RuntimeException();
service.completable().subscribe(new ForwardingCompletableObserver(observer) {
@Override public void onComplete() {
throw e;
}
});
latch.await(1, SECONDS);
assertThat(errorRef.get()).isSameAs(e);
}
@Test public void bodyThrowingInOnErrorDeliveredToPlugin() throws InterruptedException {
server.enqueue(new MockResponse().setResponseCode(404));
final CountDownLatch latch = new CountDownLatch(1);
final AtomicReference<Throwable> pluginRef = new AtomicReference<>();
RxJavaPlugins.setErrorHandler(new Consumer<Throwable>() {
@Override public void accept(Throwable throwable) throws Exception {
if (!pluginRef.compareAndSet(null, throwable)) {
throw Exceptions.propagate(throwable); // Don't swallow secondary errors!
}
latch.countDown();
}
});
TestObserver<Void> observer = new TestObserver<>();
final RuntimeException e = new RuntimeException();
final AtomicReference<Throwable> errorRef = new AtomicReference<>();
service.completable().subscribe(new ForwardingCompletableObserver(observer) {
@Override public void onError(Throwable throwable) {
errorRef.set(throwable);
throw e;
}
});
latch.await(1, SECONDS);
//noinspection ThrowableResultOfMethodCallIgnored
CompositeException composite = (CompositeException) pluginRef.get();
assertThat(composite.getExceptions()).containsExactly(errorRef.get(), e);
}
}