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

Example 66 with Subscription

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

the class ParallelMergeSequentialTest method scanInnerSubscriber.

@Test
public void scanInnerSubscriber() {
    CoreSubscriber<Integer> mainActual = new LambdaSubscriber<>(null, e -> {
    }, null, null);
    MergeSequentialMain<Integer> main = new MergeSequentialMain<>(mainActual, 2, 123, Queues.small());
    MergeSequentialInner<Integer> test = new MergeSequentialInner<>(main, 456);
    Subscription subscription = Operators.emptySubscription();
    test.onSubscribe(subscription);
}

Example 67 with Subscription

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

the class ParallelSourceTest method scanMainSubscriber.

@Test
public void scanMainSubscriber() {
    @SuppressWarnings("unchecked") CoreSubscriber<String>[] subs = new CoreSubscriber[1];
    subs[0] = new LambdaSubscriber<>(null, e -> {
    }, null, null);
    ParallelSource.ParallelSourceMain<String> test = new ParallelSource.ParallelSourceMain<>(subs, 123, Queues.one());
    Subscription parent = Operators.emptySubscription();
    test.onSubscribe(parent);
    assertThat(test.scan(Scannable.Attr.PARENT)).isSameAs(parent);
    assertThat(test.scan(Scannable.Attr.PREFETCH)).isEqualTo(123);
    assertThat(test.scan(Scannable.Attr.BUFFERED)).isZero();
    test.queue.offer("foo");
    assertThat(test.scan(Scannable.Attr.BUFFERED)).isEqualTo(1);
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isFalse();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isFalse();
    assertThat(test.scan(Scannable.Attr.ERROR)).isNull();
    test.onError(new IllegalStateException("boom"));
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isTrue();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isFalse();
    assertThat(test.scan(Scannable.Attr.ERROR)).hasMessage("boom");
    test.cancel();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isTrue();
}

Example 68 with Subscription

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

the class ParallelCollectTest method scanSubscriber.

@Test
public void scanSubscriber() {
    CoreSubscriber<List<Integer>> subscriber = new LambdaSubscriber<>(null, e -> {
    }, null, null);
    ParallelCollectSubscriber<Integer, List<Integer>> test = new ParallelCollectSubscriber<>(subscriber, new ArrayList<>(), List::add);
    Subscription s = Operators.emptySubscription();
    test.onSubscribe(s);
    assertThat(test.scan(Scannable.Attr.ACTUAL)).isSameAs(subscriber);
    assertThat(test.scan(Scannable.Attr.PREFETCH)).isEqualTo(Integer.MAX_VALUE);
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isFalse();
    test.complete(Collections.emptyList());
    assertThat(test.scan(Scannable.Attr.TERMINATED)).isTrue();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isFalse();
    test.cancel();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isTrue();
}

Example 69 with Subscription

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

the class ParallelGroupTest method scanInnerGroup.

@Test
public void scanInnerGroup() {
    ParallelInnerGroup<Integer> test = new ParallelInnerGroup<>(1023);
    CoreSubscriber<Integer> subscriber = new LambdaSubscriber<>(null, e -> {
    }, null, sub -> sub.request(3));
    Subscription s = Operators.emptySubscription();
    test.onSubscribe(s);
    test.subscribe(subscriber);
    assertThat(test.scan(Scannable.Attr.PARENT)).isSameAs(s);
    assertThat(test.scan(Scannable.Attr.ACTUAL)).isSameAs(subscriber);
    // see other test for request
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isZero();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isFalse();
    test.cancel();
    assertThat(test.scan(Scannable.Attr.CANCELLED)).isTrue();
}

Example 70 with Subscription

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

the class ParallelGroupTest method scanInnerGroupRequestNotTrackedWhenParent.

@Test
public void scanInnerGroupRequestNotTrackedWhenParent() {
    ParallelInnerGroup<Integer> test = new ParallelInnerGroup<>(1023);
    CoreSubscriber<Integer> subscriber = new LambdaSubscriber<>(null, e -> {
    }, null, sub -> sub.request(3));
    Subscription s = Operators.emptySubscription();
    test.onSubscribe(s);
    test.subscribe(subscriber);
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isZero();
    test.request(2);
    assertThat(test.scan(Scannable.Attr.REQUESTED_FROM_DOWNSTREAM)).isZero();
}