/*
* 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.rxjava;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;
import retrofit2.Retrofit;
import retrofit2.http.GET;
import rx.Completable;
import rx.CompletableSubscriber;
import rx.Subscription;
import rx.exceptions.CompositeException;
import rx.exceptions.Exceptions;
import rx.plugins.RxJavaErrorHandler;
import rx.plugins.RxJavaPlugins;
import static org.assertj.core.api.Assertions.assertThat;
public final class CompletableThrowingTest {
@Rule public final MockWebServer server = new MockWebServer();
@Rule public final TestRule resetRule = new RxJavaPluginsResetRule();
@Rule public final RecordingSubscriber.Rule subscriberRule = new RecordingSubscriber.Rule();
interface Service {
@GET("/") Completable completable();
}
private Service service;
@Before public void setUp() {
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(server.url("/"))
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.build();
service = retrofit.create(Service.class);
}
@Test public void throwingInOnCompleteDeliveredToPlugin() {
server.enqueue(new MockResponse());
final AtomicReference<Throwable> pluginRef = new AtomicReference<>();
RxJavaPlugins.getInstance().registerErrorHandler(new RxJavaErrorHandler() {
@Override public void handleError(Throwable throwable) {
if (!pluginRef.compareAndSet(null, throwable)) {
throw Exceptions.propagate(throwable); // Don't swallow secondary errors!
}
}
});
RecordingSubscriber<Void> observer = subscriberRule.create();
final RuntimeException e = new RuntimeException();
service.completable().unsafeSubscribe(new ForwardingCompletableObserver(observer) {
@Override public void onCompleted() {
throw e;
}
});
assertThat(pluginRef.get()).isSameAs(e);
}
@Test public void bodyThrowingInOnErrorDeliveredToPlugin() {
server.enqueue(new MockResponse().setResponseCode(404));
final AtomicReference<Throwable> pluginRef = new AtomicReference<>();
RxJavaPlugins.getInstance().registerErrorHandler(new RxJavaErrorHandler() {
@Override public void handleError(Throwable throwable) {
if (!pluginRef.compareAndSet(null, throwable)) {
throw Exceptions.propagate(throwable); // Don't swallow secondary errors!
}
}
});
RecordingSubscriber<Void> observer = subscriberRule.create();
final RuntimeException e = new RuntimeException();
final AtomicReference<Throwable> errorRef = new AtomicReference<>();
service.completable().unsafeSubscribe(new ForwardingCompletableObserver(observer) {
@Override public void onError(Throwable throwable) {
errorRef.set(throwable);
throw e;
}
});
CompositeException composite = (CompositeException) pluginRef.get();
assertThat(composite.getExceptions()).containsExactly(errorRef.get(), e);
}
static abstract class ForwardingCompletableObserver implements CompletableSubscriber {
private final RecordingSubscriber<Void> delegate;
ForwardingCompletableObserver(RecordingSubscriber<Void> delegate) {
this.delegate = delegate;
}
@Override public void onSubscribe(Subscription d) {
}
@Override public void onCompleted() {
delegate.onCompleted();
}
@Override public void onError(Throwable throwable) {
delegate.onError(throwable);
}
}
}