Examples with PublishProcessor io.reactivex.rxjava3.processors.PublishProcessor used on opensource projects

Example 81 with PublishProcessor

use of io.reactivex.rxjava3.processors.PublishProcessor in project RxJava by ReactiveX.

the class FlowableTimeoutWithSelectorTest method timeoutSelectorWithTimeoutAndOnNextRaceCondition.

@Test
public void timeoutSelectorWithTimeoutAndOnNextRaceCondition() throws InterruptedException {
    // Thread 1                                    Thread 2
    // 
    // observer.onNext(1)
    // start timeout
    // unsubscribe timeout in thread 2          start to do some long-time work in "unsubscribe"
    // observer.onNext(2)
    // timeout.onNext(1)
    // "unsubscribe" done
    // 
    // 
    // In the above case, the timeout operator should ignore "timeout.onNext(1)"
    // since "observer" has already seen 2.
    final CountDownLatch observerReceivedTwo = new CountDownLatch(1);
    final CountDownLatch timeoutEmittedOne = new CountDownLatch(1);
    final CountDownLatch observerCompleted = new CountDownLatch(1);
    final CountDownLatch enteredTimeoutOne = new CountDownLatch(1);
    final AtomicBoolean latchTimeout = new AtomicBoolean(false);
    final Function<Integer, Flowable<Integer>> timeoutFunc = new Function<Integer, Flowable<Integer>>() {

        @Override
        public Flowable<Integer> apply(Integer t1) {
            if (t1 == 1) {
                // Force "unsubscribe" run on another thread
                return Flowable.unsafeCreate(new Publisher<Integer>() {

                    @Override
                    public void subscribe(Subscriber<? super Integer> subscriber) {
                        subscriber.onSubscribe(new BooleanSubscription());
                        enteredTimeoutOne.countDown();
                        // force the timeout message be sent after observer.onNext(2)
                        while (true) {
                            try {
                                if (!observerReceivedTwo.await(30, TimeUnit.SECONDS)) {
                                    // CountDownLatch timeout
                                    // There should be something wrong
                                    latchTimeout.set(true);
                                }
                                break;
                            } catch (InterruptedException e) {
                            // Since we just want to emulate a busy method,
                            // we ignore the interrupt signal from Scheduler.
                            }
                        }
                        subscriber.onNext(1);
                        timeoutEmittedOne.countDown();
                    }
                }).subscribeOn(Schedulers.newThread());
            } else {
                return PublishProcessor.create();
            }
        }
    };
    final Subscriber<Integer> subscriber = TestHelper.mockSubscriber();
    doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            observerReceivedTwo.countDown();
            return null;
        }
    }).when(subscriber).onNext(2);
    doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            observerCompleted.countDown();
            return null;
        }
    }).when(subscriber).onComplete();
    final TestSubscriber<Integer> ts = new TestSubscriber<>(subscriber);
    new Thread(new Runnable() {

        @Override
        public void run() {
            PublishProcessor<Integer> source = PublishProcessor.create();
            source.timeout(timeoutFunc, Flowable.just(3)).subscribe(ts);
            // start timeout
            source.onNext(1);
            try {
                if (!enteredTimeoutOne.await(30, TimeUnit.SECONDS)) {
                    latchTimeout.set(true);
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            // disable timeout
            source.onNext(2);
            try {
                if (!timeoutEmittedOne.await(30, TimeUnit.SECONDS)) {
                    latchTimeout.set(true);
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            source.onComplete();
        }
    }).start();
    if (!observerCompleted.await(30, TimeUnit.SECONDS)) {
        latchTimeout.set(true);
    }
    assertFalse("CoundDownLatch timeout", latchTimeout.get());
    InOrder inOrder = inOrder(subscriber);
    inOrder.verify(subscriber).onSubscribe((Subscription) notNull());
    inOrder.verify(subscriber).onNext(1);
    inOrder.verify(subscriber).onNext(2);
    inOrder.verify(subscriber, never()).onNext(3);
    inOrder.verify(subscriber).onComplete();
    inOrder.verifyNoMoreInteractions();
}

Example 82 with PublishProcessor

use of io.reactivex.rxjava3.processors.PublishProcessor in project RxJava by ReactiveX.

the class FlowableTimeoutWithSelectorTest method onCompleteOnTimeoutRace.

@Test
public void onCompleteOnTimeoutRace() {
    for (int i = 0; i < TestHelper.RACE_DEFAULT_LOOPS; i++) {
        List<Throwable> errors = TestHelper.trackPluginErrors();
        try {
            final PublishProcessor<Integer> pp = PublishProcessor.create();
            final Subscriber<?>[] sub = { null, null };
            final Flowable<Integer> pp2 = new Flowable<Integer>() {

                int count;

                @Override
                protected void subscribeActual(Subscriber<? super Integer> s) {
                    assertFalse(((Disposable) s).isDisposed());
                    s.onSubscribe(new BooleanSubscription());
                    sub[count++] = s;
                }
            };
            TestSubscriber<Integer> ts = pp.timeout(Functions.justFunction(pp2)).test();
            pp.onNext(0);
            Runnable r1 = new Runnable() {

                @Override
                public void run() {
                    pp.onComplete();
                }
            };
            Runnable r2 = new Runnable() {

                @Override
                public void run() {
                    sub[0].onComplete();
                }
            };
            TestHelper.race(r1, r2);
            ts.assertValueAt(0, 0);
            if (!errors.isEmpty()) {
                TestHelper.assertUndeliverable(errors, 0, TestException.class);
            }
        } finally {
            RxJavaPlugins.reset();
        }
    }
}

Example 83 with PublishProcessor

use of io.reactivex.rxjava3.processors.PublishProcessor in project RxJava by ReactiveX.

the class FlowableTimeoutWithSelectorTest method onErrorOnTimeoutRace.

@Test
public void onErrorOnTimeoutRace() {
    for (int i = 0; i < TestHelper.RACE_DEFAULT_LOOPS; i++) {
        List<Throwable> errors = TestHelper.trackPluginErrors();
        try {
            final PublishProcessor<Integer> pp = PublishProcessor.create();
            final Subscriber<?>[] sub = { null, null };
            final Flowable<Integer> pp2 = new Flowable<Integer>() {

                int count;

                @Override
                protected void subscribeActual(Subscriber<? super Integer> s) {
                    assertFalse(((Disposable) s).isDisposed());
                    s.onSubscribe(new BooleanSubscription());
                    sub[count++] = s;
                }
            };
            TestSubscriber<Integer> ts = pp.timeout(Functions.justFunction(pp2)).test();
            pp.onNext(0);
            final Throwable ex = new TestException();
            Runnable r1 = new Runnable() {

                @Override
                public void run() {
                    pp.onError(ex);
                }
            };
            Runnable r2 = new Runnable() {

                @Override
                public void run() {
                    sub[0].onComplete();
                }
            };
            TestHelper.race(r1, r2);
            ts.assertValueAt(0, 0);
            if (!errors.isEmpty()) {
                TestHelper.assertUndeliverable(errors, 0, TestException.class);
            }
        } finally {
            RxJavaPlugins.reset();
        }
    }
}

Example 84 with PublishProcessor

use of io.reactivex.rxjava3.processors.PublishProcessor in project RxJava by ReactiveX.

the class FlowableTakeLastTimedTest method takeLastTimedThrowingSource.

@Test
public void takeLastTimedThrowingSource() {
    TestScheduler scheduler = new TestScheduler();
    PublishProcessor<Object> source = PublishProcessor.create();
    Flowable<Object> result = source.takeLast(1, TimeUnit.SECONDS, scheduler);
    Subscriber<Object> subscriber = TestHelper.mockSubscriber();
    InOrder inOrder = inOrder(subscriber);
    result.subscribe(subscriber);
    // T: 0ms
    source.onNext(1);
    scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
    // T: 250ms
    source.onNext(2);
    scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
    // T: 500ms
    source.onNext(3);
    scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
    // T: 750ms
    source.onNext(4);
    scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
    // T: 1000ms
    source.onNext(5);
    scheduler.advanceTimeBy(250, TimeUnit.MILLISECONDS);
    // T: 1250ms
    source.onError(new TestException());
    inOrder.verify(subscriber, times(1)).onError(any(TestException.class));
    verify(subscriber, never()).onNext(any());
    verify(subscriber, never()).onComplete();
}

Example 85 with PublishProcessor

use of io.reactivex.rxjava3.processors.PublishProcessor in project RxJava by ReactiveX.

the class FlowableTakeTimedTest method takeTimedErrorAfterTime.

@Test
public void takeTimedErrorAfterTime() {
    TestScheduler scheduler = new TestScheduler();
    PublishProcessor<Integer> source = PublishProcessor.create();
    Flowable<Integer> result = source.take(1, TimeUnit.SECONDS, scheduler);
    Subscriber<Object> subscriber = TestHelper.mockSubscriber();
    result.subscribe(subscriber);
    source.onNext(1);
    source.onNext(2);
    source.onNext(3);
    scheduler.advanceTimeBy(1, TimeUnit.SECONDS);
    source.onNext(4);
    source.onError(new TestException());
    InOrder inOrder = inOrder(subscriber);
    inOrder.verify(subscriber).onNext(1);
    inOrder.verify(subscriber).onNext(2);
    inOrder.verify(subscriber).onNext(3);
    inOrder.verify(subscriber).onComplete();
    inOrder.verifyNoMoreInteractions();
    verify(subscriber, never()).onNext(4);
    verify(subscriber, never()).onError(any(TestException.class));
}