/**
* 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.times;
import static org.mockito.Mockito.verify;
import java.util.Arrays;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
import rx.Observable;
import rx.Observer;
public class OperatorToObservableListTest {
@Test
public void testList() {
Observable<String> w = Observable.from(Arrays.asList("one", "two", "three"));
Observable<List<String>> observable = w.toList();
@SuppressWarnings("unchecked")
Observer<List<String>> observer = mock(Observer.class);
observable.subscribe(observer);
verify(observer, times(1)).onNext(Arrays.asList("one", "two", "three"));
verify(observer, Mockito.never()).onError(any(Throwable.class));
verify(observer, times(1)).onCompleted();
}
@Test
public void testListViaObservable() {
Observable<String> w = Observable.from(Arrays.asList("one", "two", "three"));
Observable<List<String>> observable = w.toList();
@SuppressWarnings("unchecked")
Observer<List<String>> observer = mock(Observer.class);
observable.subscribe(observer);
verify(observer, times(1)).onNext(Arrays.asList("one", "two", "three"));
verify(observer, Mockito.never()).onError(any(Throwable.class));
verify(observer, times(1)).onCompleted();
}
@Test
public void testListMultipleObservers() {
Observable<String> w = Observable.from(Arrays.asList("one", "two", "three"));
Observable<List<String>> observable = w.toList();
@SuppressWarnings("unchecked")
Observer<List<String>> o1 = mock(Observer.class);
observable.subscribe(o1);
@SuppressWarnings("unchecked")
Observer<List<String>> o2 = mock(Observer.class);
observable.subscribe(o2);
List<String> expected = Arrays.asList("one", "two", "three");
verify(o1, times(1)).onNext(expected);
verify(o1, Mockito.never()).onError(any(Throwable.class));
verify(o1, times(1)).onCompleted();
verify(o2, times(1)).onNext(expected);
verify(o2, Mockito.never()).onError(any(Throwable.class));
verify(o2, times(1)).onCompleted();
}
@Test
public void testListWithNullValue() {
Observable<String> w = Observable.from(Arrays.asList("one", null, "three"));
Observable<List<String>> observable = w.toList();
@SuppressWarnings("unchecked")
Observer<List<String>> observer = mock(Observer.class);
observable.subscribe(observer);
verify(observer, times(1)).onNext(Arrays.asList("one", null, "three"));
verify(observer, Mockito.never()).onError(any(Throwable.class));
verify(observer, times(1)).onCompleted();
}
@Test
public void testListWithBlockingFirst() {
Observable<String> o = Observable.from(Arrays.asList("one", "two", "three"));
List<String> actual = o.toList().toBlocking().first();
Assert.assertEquals(Arrays.asList("one", "two", "three"), actual);
}
}