/**
* Copyright (c) 2016-present, RxJava Contributors.
*
* 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 io.reactivex.internal.operators.observable;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.*;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.mockito.InOrder;
import io.reactivex.*;
import io.reactivex.exceptions.TestException;
import io.reactivex.observers.TestObserver;
import io.reactivex.schedulers.*;
import io.reactivex.subjects.PublishSubject;
public class ObservableTakeLastTimedTest {
@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();
// FIXME time unit now matters!
Observable<Object> result = source.takeLast(1000, TimeUnit.MILLISECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
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.onComplete(); // 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)).onComplete();
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void takeLastTimedDelayCompletion() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Object> source = PublishSubject.create();
// FIXME time unit now matters
Observable<Object> result = source.takeLast(1000, TimeUnit.MILLISECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
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.onComplete(); // T: 2250ms
inOrder.verify(o, times(1)).onComplete();
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();
// FIXME time unit now matters!
Observable<Object> result = source.takeLast(2, 1000, TimeUnit.MILLISECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
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.onComplete(); // T: 1250ms
inOrder.verify(o, times(1)).onNext(4);
inOrder.verify(o, times(1)).onNext(5);
inOrder.verify(o, times(1)).onComplete();
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);
Observer<Object> o = TestHelper.mockObserver();
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()).onComplete();
}
@Test
public void takeLastTimedWithZeroCapacity() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Object> source = PublishSubject.create();
Observable<Object> result = source.takeLast(0, 1, TimeUnit.SECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
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.onComplete(); // T: 1250ms
inOrder.verify(o, times(1)).onComplete();
verify(o, never()).onNext(any());
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void takeLastTimeAndSize() {
Observable.just(1, 2)
.takeLast(1, 1, TimeUnit.MINUTES)
.test()
.assertResult(2);
}
@Test
public void takeLastTime() {
Observable.just(1, 2)
.takeLast(1, TimeUnit.MINUTES)
.test()
.assertResult(1, 2);
}
@Test
public void takeLastTimeDelayError() {
Observable.just(1, 2).concatWith(Observable.<Integer>error(new TestException()))
.takeLast(1, TimeUnit.MINUTES, true)
.test()
.assertFailure(TestException.class, 1, 2);
}
@Test
public void takeLastTimeDelayErrorCustomScheduler() {
Observable.just(1, 2).concatWith(Observable.<Integer>error(new TestException()))
.takeLast(1, TimeUnit.MINUTES, Schedulers.io(), true)
.test()
.assertFailure(TestException.class, 1, 2);
}
@Test
public void disposed() {
TestHelper.checkDisposed(PublishSubject.create().takeLast(1, TimeUnit.MINUTES));
}
@Test
public void observeOn() {
Observable.range(1, 1000)
.takeLast(1, TimeUnit.DAYS)
.take(500)
.observeOn(Schedulers.single(), true, 1)
.test()
.awaitDone(5, TimeUnit.SECONDS)
.assertSubscribed()
.assertValueCount(500)
.assertNoErrors()
.assertComplete();
}
@Test
public void cancelCompleteRace() {
for (int i = 0; i < 500; i++) {
final PublishSubject<Integer> ps = PublishSubject.create();
final TestObserver<Integer> to = ps.takeLast(1, TimeUnit.DAYS).test();
Runnable r1 = new Runnable() {
@Override
public void run() {
ps.onComplete();
}
};
Runnable r2 = new Runnable() {
@Override
public void run() {
to.cancel();
}
};
TestHelper.race(r1, r2);
}
}
}