/**
* 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.inOrder;
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 java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.mockito.InOrder;
import rx.Observable;
import rx.Observer;
import rx.exceptions.TestException;
import rx.schedulers.TestScheduler;
import rx.subjects.PublishSubject;
public class OperatorTakeLastTimedTest {
@Test(expected = IndexOutOfBoundsException.class)
public void testTakeLastTimedWithNegativeCount() {
Observable.just("one").takeLast(-1, 1, TimeUnit.SECONDS);
}
@Test
public void takeLastTimed() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Object> source = PublishSubject.create();
Observable<Object> result = source.takeLast(1, TimeUnit.SECONDS, scheduler);
@SuppressWarnings("unchecked")
Observer<Object> o = mock(Observer.class);
InOrder inOrder = inOrder(o);
result.subscribe(o);
source.onNext(1); // T: 0ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(2); // T: 250ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(3); // T: 500ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(4); // T: 750ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(5); // T: 1000ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onCompleted(); // T: 1250ms
inOrder.verify(o, times(1)).onNext(2);
inOrder.verify(o, times(1)).onNext(3);
inOrder.verify(o, times(1)).onNext(4);
inOrder.verify(o, times(1)).onNext(5);
inOrder.verify(o, times(1)).onCompleted();
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void takeLastTimedDelayCompletion() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Object> source = PublishSubject.create();
Observable<Object> result = source.takeLast(1, TimeUnit.SECONDS, scheduler);
@SuppressWarnings("unchecked")
Observer<Object> o = mock(Observer.class);
InOrder inOrder = inOrder(o);
result.subscribe(o);
source.onNext(1); // T: 0ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(2); // T: 250ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(3); // T: 500ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(4); // T: 750ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(5); // T: 1000ms
scheduler.advanceTimeBy(1250, TimeUnit.MILLISECONDS);
source.onCompleted(); // T: 2250ms
inOrder.verify(o, times(1)).onCompleted();
verify(o, never()).onNext(any());
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void takeLastTimedWithCapacity() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Object> source = PublishSubject.create();
Observable<Object> result = source.takeLast(2, 1, TimeUnit.SECONDS, scheduler);
@SuppressWarnings("unchecked")
Observer<Object> o = mock(Observer.class);
InOrder inOrder = inOrder(o);
result.subscribe(o);
source.onNext(1); // T: 0ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(2); // T: 250ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(3); // T: 500ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(4); // T: 750ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(5); // T: 1000ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onCompleted(); // T: 1250ms
inOrder.verify(o, times(1)).onNext(4);
inOrder.verify(o, times(1)).onNext(5);
inOrder.verify(o, times(1)).onCompleted();
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void takeLastTimedThrowingSource() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Object> source = PublishSubject.create();
Observable<Object> result = source.takeLast(1, TimeUnit.SECONDS, scheduler);
@SuppressWarnings("unchecked")
Observer<Object> o = mock(Observer.class);
InOrder inOrder = inOrder(o);
result.subscribe(o);
source.onNext(1); // T: 0ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(2); // T: 250ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(3); // T: 500ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(4); // T: 750ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(5); // T: 1000ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onError(new TestException()); // T: 1250ms
inOrder.verify(o, times(1)).onError(any(TestException.class));
verify(o, never()).onNext(any());
verify(o, never()).onCompleted();
}
@Test
public void takeLastTimedWithZeroCapacity() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Object> source = PublishSubject.create();
Observable<Object> result = source.takeLast(0, 1, TimeUnit.SECONDS, scheduler);
@SuppressWarnings("unchecked")
Observer<Object> o = mock(Observer.class);
InOrder inOrder = inOrder(o);
result.subscribe(o);
source.onNext(1); // T: 0ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(2); // T: 250ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(3); // T: 500ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(4); // T: 750ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onNext(5); // T: 1000ms
scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
source.onCompleted(); // T: 1250ms
inOrder.verify(o, times(1)).onCompleted();
verify(o, never()).onNext(any());
verify(o, never()).onError(any(Throwable.class));
}
}