/**
* Copyright 2014 Netflix, 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 rx.internal.operators;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import org.junit.Test;
import rx.Notification;
import rx.Observable;
import rx.Observer;
import rx.exceptions.TestException;
import rx.observers.Subscribers;
import rx.observers.TestSubscriber;
public class OperatorDematerializeTest {
@Test
@SuppressWarnings("unchecked")
public void testDematerialize1() {
Observable<Notification<Integer>> notifications = Observable.just(1, 2).materialize();
Observable<Integer> dematerialize = notifications.dematerialize();
Observer<Integer> observer = mock(Observer.class);
dematerialize.subscribe(observer);
verify(observer, times(1)).onNext(1);
verify(observer, times(1)).onNext(2);
verify(observer, times(1)).onCompleted();
verify(observer, never()).onError(any(Throwable.class));
}
@Test
@SuppressWarnings("unchecked")
public void testDematerialize2() {
Throwable exception = new Throwable("test");
Observable<Integer> observable = Observable.error(exception);
Observable<Integer> dematerialize = observable.materialize().dematerialize();
Observer<Integer> observer = mock(Observer.class);
dematerialize.subscribe(observer);
verify(observer, times(1)).onError(exception);
verify(observer, times(0)).onCompleted();
verify(observer, times(0)).onNext(any(Integer.class));
}
@Test
@SuppressWarnings("unchecked")
public void testDematerialize3() {
Exception exception = new Exception("test");
Observable<Integer> observable = Observable.error(exception);
Observable<Integer> dematerialize = observable.materialize().dematerialize();
Observer<Integer> observer = mock(Observer.class);
dematerialize.subscribe(observer);
verify(observer, times(1)).onError(exception);
verify(observer, times(0)).onCompleted();
verify(observer, times(0)).onNext(any(Integer.class));
}
@Test
public void testErrorPassThru() {
Exception exception = new Exception("test");
Observable<Integer> observable = Observable.error(exception);
Observable<Integer> dematerialize = observable.dematerialize();
@SuppressWarnings("unchecked")
Observer<Integer> observer = mock(Observer.class);
dematerialize.subscribe(observer);
verify(observer, times(1)).onError(exception);
verify(observer, times(0)).onCompleted();
verify(observer, times(0)).onNext(any(Integer.class));
}
@Test
public void testCompletePassThru() {
Observable<Integer> observable = Observable.empty();
Observable<Integer> dematerialize = observable.dematerialize();
@SuppressWarnings("unchecked")
Observer<Integer> observer = mock(Observer.class);
TestSubscriber<Integer> ts = new TestSubscriber<Integer>(observer);
dematerialize.subscribe(ts);
System.out.println(ts.getOnErrorEvents());
verify(observer, never()).onError(any(Throwable.class));
verify(observer, times(1)).onCompleted();
verify(observer, times(0)).onNext(any(Integer.class));
}
@Test
public void testHonorsContractWhenCompleted() {
Observable<Integer> source = Observable.just(1);
Observable<Integer> result = source.materialize().dematerialize();
@SuppressWarnings("unchecked")
Observer<Integer> o = mock(Observer.class);
result.unsafeSubscribe(Subscribers.from(o));
verify(o).onNext(1);
verify(o).onCompleted();
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void testHonorsContractWhenThrows() {
Observable<Integer> source = Observable.error(new TestException());
Observable<Integer> result = source.materialize().dematerialize();
@SuppressWarnings("unchecked")
Observer<Integer> o = mock(Observer.class);
result.unsafeSubscribe(Subscribers.from(o));
verify(o, never()).onNext(any(Integer.class));
verify(o, never()).onCompleted();
verify(o).onError(any(TestException.class));
}
}