Examples with AssertSubscriber reactor.test.subscriber.AssertSubscriber used on opensource projects

Example 1 with AssertSubscriber

use of reactor.test.subscriber.AssertSubscriber in project reactor-core by reactor.

the class FluxDoOnEachTest method nextCallbackError.

@Test
public void nextCallbackError() {
    AssertSubscriber<Integer> ts = AssertSubscriber.create();
    LongAdder state = new LongAdder();
    Throwable err = new Exception("test");
    Flux.just(1).doOnEach(s -> {
        if (s.isOnNext()) {
            state.increment();
            throw Exceptions.propagate(err);
        }
    }).subscribe(ts);
    // nominal error path (DownstreamException)
    ts.assertErrorMessage("test");
    Assert.assertEquals(1, state.intValue());
}

Example 2 with AssertSubscriber

use of reactor.test.subscriber.AssertSubscriber in project reactor-core by reactor.

the class FluxDoOnEachTest method never.

@Test
public void never() {
    AssertSubscriber<Integer> ts = AssertSubscriber.create();
    AtomicReference<Integer> onNext = new AtomicReference<>();
    AtomicReference<Throwable> onError = new AtomicReference<>();
    AtomicBoolean onComplete = new AtomicBoolean();
    LongAdder state = new LongAdder();
    Flux.never().cast(Integer.class).doOnEach(s -> {
        if (s.isOnNext()) {
            onNext.set(s.get());
            state.increment();
        } else if (s.isOnError()) {
            onError.set(s.getThrowable());
        } else if (s.isOnComplete()) {
            onComplete.set(true);
        }
    }).subscribe(ts);
    Assert.assertNull(onNext.get());
    Assert.assertNull(onError.get());
    Assert.assertFalse(onComplete.get());
}

Example 3 with AssertSubscriber

use of reactor.test.subscriber.AssertSubscriber in project reactor-core by reactor.

the class FluxDoOnEachTest method errorCallbackError.

@Test
public void errorCallbackError() {
    AssertSubscriber<String> ts = AssertSubscriber.create();
    LongAdder state = new LongAdder();
    IllegalStateException err = new IllegalStateException("test");
    Flux.error(new IllegalStateException("bar")).cast(String.class).doOnEach(s -> {
        if (s.isOnError()) {
            state.increment();
            throw Exceptions.propagate(err);
        }
    }).subscribe(ts);
    ts.assertNoValues();
    ts.assertError(IllegalStateException.class);
    ts.assertErrorWith(e -> e.getSuppressed()[0].getMessage().equals("bar"));
    Assert.assertEquals(1, state.intValue());
}

Example 4 with AssertSubscriber

use of reactor.test.subscriber.AssertSubscriber in project reactor-core by reactor.

the class FluxDoOnEachTest method normal.

@Test
public void normal() {
    AssertSubscriber<Integer> ts = AssertSubscriber.create();
    AtomicReference<Integer> onNext = new AtomicReference<>();
    AtomicReference<Throwable> onError = new AtomicReference<>();
    AtomicBoolean onComplete = new AtomicBoolean();
    LongAdder state = new LongAdder();
    Flux.just(1, 2).hide().doOnEach(s -> {
        if (s.isOnNext()) {
            onNext.set(s.get());
            state.increment();
        } else if (s.isOnError()) {
            onError.set(s.getThrowable());
        } else if (s.isOnComplete()) {
            onComplete.set(true);
        }
    }).subscribe(ts);
    Assert.assertEquals((Integer) 2, onNext.get());
    Assert.assertNull(onError.get());
    Assert.assertTrue(onComplete.get());
    Assert.assertEquals(2, state.intValue());
}

Example 5 with AssertSubscriber

use of reactor.test.subscriber.AssertSubscriber in project reactor-core by reactor.

the class MonoUsingTest method subscriberCancels.

@Test
public void subscriberCancels() {
    AssertSubscriber<Integer> ts = AssertSubscriber.create();
    AtomicInteger cleanup = new AtomicInteger();
    MonoProcessor<Integer> tp = MonoProcessor.create();
    Mono.using(() -> 1, r -> tp, cleanup::set, true).subscribe(ts);
    Assert.assertTrue("No subscriber?", tp.hasDownstreams());
    tp.onNext(1);
    ts.assertValues(1).assertComplete().assertNoError();
    Assert.assertEquals(1, cleanup.get());
}