/**
* 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.functions.Function;
import io.reactivex.observers.TestObserver;
import io.reactivex.schedulers.*;
import io.reactivex.subjects.PublishSubject;
public class ObservableSkipLastTimedTest {
@Test
public void testSkipLastTimed() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Integer> source = PublishSubject.create();
// FIXME the timeunit now matters due to rounding
Observable<Integer> result = source.skipLast(1000, TimeUnit.MILLISECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
result.subscribe(o);
source.onNext(1);
source.onNext(2);
source.onNext(3);
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
source.onNext(4);
source.onNext(5);
source.onNext(6);
scheduler.advanceTimeBy(950, TimeUnit.MILLISECONDS);
source.onComplete();
InOrder inOrder = inOrder(o);
inOrder.verify(o).onNext(1);
inOrder.verify(o).onNext(2);
inOrder.verify(o).onNext(3);
inOrder.verify(o, never()).onNext(4);
inOrder.verify(o, never()).onNext(5);
inOrder.verify(o, never()).onNext(6);
inOrder.verify(o).onComplete();
inOrder.verifyNoMoreInteractions();
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void testSkipLastTimedErrorBeforeTime() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Integer> source = PublishSubject.create();
Observable<Integer> result = source.skipLast(1, TimeUnit.SECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
result.subscribe(o);
source.onNext(1);
source.onNext(2);
source.onNext(3);
source.onError(new TestException());
scheduler.advanceTimeBy(1050, TimeUnit.MILLISECONDS);
verify(o).onError(any(TestException.class));
verify(o, never()).onComplete();
verify(o, never()).onNext(any());
}
@Test
public void testSkipLastTimedCompleteBeforeTime() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Integer> source = PublishSubject.create();
Observable<Integer> result = source.skipLast(1, TimeUnit.SECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
result.subscribe(o);
source.onNext(1);
source.onNext(2);
source.onNext(3);
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
source.onComplete();
InOrder inOrder = inOrder(o);
inOrder.verify(o).onComplete();
inOrder.verifyNoMoreInteractions();
verify(o, never()).onNext(any());
verify(o, never()).onError(any(Throwable.class));
}
@Test
public void testSkipLastTimedWhenAllElementsAreValid() {
TestScheduler scheduler = new TestScheduler();
PublishSubject<Integer> source = PublishSubject.create();
Observable<Integer> result = source.skipLast(1, TimeUnit.MILLISECONDS, scheduler);
Observer<Object> o = TestHelper.mockObserver();
result.subscribe(o);
source.onNext(1);
source.onNext(2);
source.onNext(3);
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
source.onComplete();
InOrder inOrder = inOrder(o);
inOrder.verify(o).onNext(1);
inOrder.verify(o).onNext(2);
inOrder.verify(o).onNext(3);
inOrder.verify(o).onComplete();
inOrder.verifyNoMoreInteractions();
}
@Test
public void skipLastTimedDefaultScheduler() {
Observable.just(1).concatWith(Observable.just(2).delay(500, TimeUnit.MILLISECONDS))
.skipLast(300, TimeUnit.MILLISECONDS)
.test()
.awaitDone(5, TimeUnit.SECONDS)
.assertResult(1);
}
@Test
public void skipLastTimedDefaultSchedulerDelayError() {
Observable.just(1).concatWith(Observable.just(2).delay(500, TimeUnit.MILLISECONDS))
.skipLast(300, TimeUnit.MILLISECONDS, true)
.test()
.awaitDone(5, TimeUnit.SECONDS)
.assertResult(1);
}
@Test
public void skipLastTimedCustomSchedulerDelayError() {
Observable.just(1).concatWith(Observable.just(2).delay(500, TimeUnit.MILLISECONDS))
.skipLast(300, TimeUnit.MILLISECONDS, Schedulers.io(), true)
.test()
.awaitDone(5, TimeUnit.SECONDS)
.assertResult(1);
}
@Test
public void dispose() {
TestHelper.checkDisposed(PublishSubject.create().skipLast(1, TimeUnit.DAYS));
}
@Test
public void doubleOnSubscribe() {
TestHelper.checkDoubleOnSubscribeObservable(new Function<Observable<Object>, ObservableSource<Object>>() {
@Override
public ObservableSource<Object> apply(Observable<Object> o) throws Exception {
return o.skipLast(1, TimeUnit.DAYS);
}
});
}
@Test
public void onNextDisposeRace() {
TestScheduler scheduler = new TestScheduler();
for (int i = 0; i < 500; i++) {
final PublishSubject<Integer> ps = PublishSubject.create();
final TestObserver<Integer> to = ps.skipLast(1, TimeUnit.DAYS, scheduler).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);
}
}
@Test
public void errorDelayed() {
Observable.error(new TestException())
.skipLast(1, TimeUnit.DAYS, new TestScheduler(), true)
.test()
.assertFailure(TestException.class);
}
@Test
public void take() {
Observable.just(1)
.skipLast(0, TimeUnit.SECONDS)
.take(1)
.test()
.awaitDone(5, TimeUnit.SECONDS)
.assertResult(1);
}
}