Examples with Subscription org.reactivestreams.Subscription used on opensource projects

Example 36 with Subscription

use of org.reactivestreams.Subscription in project reactor-core by reactor.

the class FluxBufferTest method scanOverlappingSubscriber.

@Test
public void scanOverlappingSubscriber() {
    CoreSubscriber<? super List> actual = new LambdaSubscriber<>(null, e -> {
    }, null, null);
    FluxBuffer.BufferOverlappingSubscriber<String, List<String>> test = new FluxBuffer.BufferOverlappingSubscriber<>(actual, 23, 2, ArrayList::new);
    Subscription parent = Operators.emptySubscription();
    test.onSubscribe(parent);
    test.onNext("foo");
    test.onNext("bar");
    assertThat(test.scan(Scannable.Attr.CAPACITY)).isEqualTo(23);
    assertThat(test.scan(Scannable.Attr.BUFFERED)).isEqualTo(2);
    test.onNext("baz");
    // 2 buffers
    assertThat(test.scan(Scannable.Attr.CAPACITY)).isEqualTo(46);
    // buffered foo bar baz then baz
    assertThat(test.scan(Scannable.Attr.BUFFERED)).isEqualTo(4);
    assertThat(test.scan(Scannable.Attr.PREFETCH)).isEqualTo(Integer.MAX_VALUE);
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isEqualTo(Long.MAX_VALUE);
    assertThat(test.scan(Scannable.Attr.PARENT)).isSameAs(parent);
    assertThat(test.scan(Scannable.Attr.ACTUAL)).isSameAs(actual);
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isFalse();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isFalse();
    test.onError(new IllegalStateException("boom"));
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isTrue();
}

Example 37 with Subscription

use of org.reactivestreams.Subscription in project reactor-core by reactor.

the class FluxBufferTest method scanExactSubscriber.

@Test
public void scanExactSubscriber() {
    CoreSubscriber<? super List> actual = new LambdaSubscriber<>(null, e -> {
    }, null, null);
    FluxBuffer.BufferExactSubscriber<String, List<String>> test = new FluxBuffer.BufferExactSubscriber<>(actual, 23, ArrayList::new);
    Subscription parent = Operators.emptySubscription();
    test.onSubscribe(parent);
    test.onNext("foo");
    assertThat(test.scan(Scannable.Attr.CAPACITY)).isEqualTo(23);
    assertThat(test.scan(Scannable.Attr.BUFFERED)).isEqualTo(1);
    assertThat(test.scan(Scannable.Attr.PREFETCH)).isEqualTo(23);
    assertThat(test.scan(Scannable.Attr.PARENT)).isSameAs(parent);
    assertThat(test.scan(Scannable.Attr.ACTUAL)).isSameAs(actual);
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isFalse();
    test.onError(new IllegalStateException("boom"));
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isTrue();
}

Example 38 with Subscription

use of org.reactivestreams.Subscription in project reactor-core by reactor.

the class FluxBufferTimeoutTest method downstreamDemandShouldBeAbleToDecreaseOnTimeSpan.

@Test
public void downstreamDemandShouldBeAbleToDecreaseOnTimeSpan() {
    Subscription[] subscriptionsHolder = new Subscription[1];
    CoreSubscriber<List<String>> actual = new LambdaSubscriber<>(null, e -> {
    }, null, s -> subscriptionsHolder[0] = s);
    VirtualTimeScheduler timeScheduler = VirtualTimeScheduler.getOrSet();
    FluxBufferTimeout.BufferTimeoutSubscriber<String, List<String>> test = new FluxBufferTimeout.BufferTimeoutSubscriber<String, List<String>>(actual, 5, 100, timeScheduler.createWorker(), ArrayList::new);
    Subscription subscription = Operators.emptySubscription();
    test.onSubscribe(subscription);
    subscriptionsHolder[0].request(1);
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isEqualTo(1L);
    timeScheduler.advanceTimeBy(Duration.ofMillis(100));
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isEqualTo(1L);
    test.onNext(String.valueOf("0"));
    timeScheduler.advanceTimeBy(Duration.ofMillis(100));
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isEqualTo(0L);
}

Example 39 with Subscription

use of org.reactivestreams.Subscription in project reactor-core by reactor.

the class FluxBufferWhenTest method scanStartEndMain.

@Test
public void scanStartEndMain() {
    CoreSubscriber<List<String>> actual = new LambdaSubscriber<>(null, e -> {
    }, null, null);
    FluxBufferWhen.BufferWhenMainSubscriber<String, Integer, Long, List<String>> test = new FluxBufferWhen.BufferWhenMainSubscriber<String, Integer, Long, List<String>>(actual, ArrayList::new, Queues.small(), Mono.just(1), u -> Mono.just(1L));
    Subscription parent = Operators.emptySubscription();
    test.onSubscribe(parent);
    test.request(100L);
    assertThat(test.scan(Scannable.Attr.PARENT)).isSameAs(parent);
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isFalse();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isFalse();
    assertThat(test.scan(Scannable.Attr.PREFETCH)).isEqualTo(Integer.MAX_VALUE);
    // TODO
    assertThat(test.scan(Scannable.Attr.BUFFERED)).isEqualTo(0);
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isEqualTo(100L);
    assertThat(test.scan(Scannable.Attr.ACTUAL)).isSameAs(actual);
    test.onError(new IllegalStateException("boom"));
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isTrue();
}

Example 40 with Subscription

use of org.reactivestreams.Subscription in project reactor-core by reactor.

the class FluxBufferWhenTest method scanWhenOpenSubscriber.

@Test
public void scanWhenOpenSubscriber() {
    // noinspection ConstantConditions
    FluxBufferWhen.BufferWhenMainSubscriber<String, Integer, Long, List<String>> main = new FluxBufferWhen.BufferWhenMainSubscriber<>(null, ArrayList::new, Queues.small(), Mono.just(1), u -> Mono.just(1L));
    FluxBufferWhen.BufferWhenOpenSubscriber test = new FluxBufferWhen.BufferWhenOpenSubscriber<>(main);
    Subscription parent = Operators.emptySubscription();
    test.onSubscribe(parent);
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isEqualTo(Long.MAX_VALUE);
    assertThat(test.scan(Scannable.Attr.ACTUAL)).isSameAs(main);
    assertThat(test.scan(Scannable.Attr.PARENT)).isSameAs(parent);
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isFalse();
    test.dispose();
    assertThat(test.isDisposed()).isTrue();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isTrue();
}