Examples with Cancellable io.smallrye.mutiny.subscription.Cancellable used on opensource projects

Example 11 with Cancellable

use of io.smallrye.mutiny.subscription.Cancellable in project smallrye-mutiny by smallrye.

the class UniSubscriberTest method testSingleCallbackVariant.

@Test
public void testSingleCallbackVariant() {
    AtomicInteger result = new AtomicInteger();
    Uni.createFrom().item(1).subscribe().with(result::set);
    assertThat(result).hasValue(1);
    AtomicReference<String> value = new AtomicReference<>("sentinel");
    Uni.createFrom().<String>nullItem().subscribe().with(value::set);
    assertThat(value).hasValue(null);
    result.set(-1);
    Uni.createFrom().<Integer>failure(new IOException("boom")).subscribe().with(result::set);
    assertThat(result).hasValue(-1);
    // Assert cancellation before the emission
    AtomicBoolean called = new AtomicBoolean();
    Cancellable cancellable = Uni.createFrom().nothing().subscribe().with(x -> called.set(true));
    assertThat(called).isFalse();
    cancellable.cancel();
    assertThat(called).isFalse();
    // Assert cancellation after the emission
    cancellable = Uni.createFrom().item(1).subscribe().with(x -> called.set(true));
    assertThat(called).isTrue();
    cancellable.cancel();
}

Example 12 with Cancellable

use of io.smallrye.mutiny.subscription.Cancellable in project smallrye-mutiny by smallrye.

the class UniSubscriberTest method testTwoCallbacksVariant.

@Test
public void testTwoCallbacksVariant() {
    AtomicInteger result = new AtomicInteger();
    AtomicReference<Throwable> failure = new AtomicReference<>();
    Uni.createFrom().item(1).subscribe().with(result::set, failure::set);
    assertThat(result).hasValue(1);
    assertThat(failure).hasValue(null);
    AtomicReference<String> value = new AtomicReference<>("sentinel");
    Uni.createFrom().<String>nullItem().subscribe().with(value::set, failure::set);
    assertThat(value).hasValue(null);
    assertThat(failure).hasValue(null);
    result.set(-1);
    Uni.createFrom().<Integer>failure(new IOException("boom")).subscribe().with(result::set, failure::set);
    assertThat(result).hasValue(-1);
    assertThat(failure.get()).isInstanceOf(IOException.class).hasMessage("boom");
    // Assert cancellation before the emission
    AtomicBoolean called = new AtomicBoolean();
    Cancellable cancellable = Uni.createFrom().nothing().subscribe().with(x -> called.set(true), f -> called.set(true));
    assertThat(called).isFalse();
    cancellable.cancel();
    assertThat(called).isFalse();
    // Assert cancellation after the emission
    cancellable = Uni.createFrom().item(1).subscribe().with(x -> called.set(true), f -> called.set(true));
    assertThat(called).isTrue();
    cancellable.cancel();
}

Example 13 with Cancellable

use of io.smallrye.mutiny.subscription.Cancellable in project smallrye-mutiny by smallrye.

the class MultiOnEventTest method testCancellationBeforeActionCompletes.

@Test
public void testCancellationBeforeActionCompletes() {
    AtomicBoolean terminated = new AtomicBoolean();
    Uni<Object> uni = Uni.createFrom().emitter(e -> e.onTermination(() -> terminated.set(true)));
    AtomicInteger result = new AtomicInteger();
    Cancellable cancellable = numbers.onItem().call(i -> uni).subscribe().with(result::set);
    cancellable.cancel();
    assertThat(result).hasValue(0);
    // noinspection ConstantConditions
    assertThat(terminated).isTrue();
}

Example 14 with Cancellable

use of io.smallrye.mutiny.subscription.Cancellable in project smallrye-mutiny by smallrye.

the class UniOnItemInvokeTest method testCancellationBeforeActionCompletes.

@Test
public void testCancellationBeforeActionCompletes() {
    AtomicBoolean terminated = new AtomicBoolean();
    Uni<Object> uni = Uni.createFrom().emitter(e -> e.onTermination(() -> terminated.set(true)));
    AtomicInteger result = new AtomicInteger();
    Cancellable cancellable = one.onItem().call(i -> uni).subscribe().with(result::set);
    cancellable.cancel();
    assertThat(result).hasValue(0);
    // noinspection ConstantConditions
    assertThat(terminated).isTrue();
}

Example 15 with Cancellable

use of io.smallrye.mutiny.subscription.Cancellable in project smallrye-reactive-messaging by smallrye.

the class ClientTestBase method subscribe.

void subscribe(Multi<IncomingKafkaRecord<Integer, String>> stream, CountDownLatch... latches) throws Exception {
    Cancellable cancellable = stream.onItem().invoke(record -> {
        onReceive(record);
        for (CountDownLatch latch : latches) {
            latch.countDown();
        }
    }).subscribe().with(ignored -> {
    // Ignored.
    });
    subscriptions.add(cancellable);
    waitForPartitionAssignment();
}