Java Code Examples for reactor.core.publisher.Flux#hide()

The following examples show how to use reactor.core.publisher.Flux#hide() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source Project: reactive-grpc File: ServerErrorIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

6 votes

@Test
public void manyToOne() {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> requestFlux = Flux.just(HelloRequest.getDefaultInstance());

    if (!expectFusion) {
        requestFlux = requestFlux.hide();
    }

    Mono<HelloResponse> resp = requestFlux.as(stub::sayHelloReqStream);

    StepVerifier.Step<HelloResponse> stepVerifier = StepVerifier.create(resp);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<HelloResponse>) stepVerifier).expectFusion();
    }

    stepVerifier
            .verifyErrorMatches(t -> t instanceof StatusRuntimeException && ((StatusRuntimeException)t).getStatus() == Status.INTERNAL);
}

Example 2

Source Project: reactive-grpc File: ServerErrorIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

6 votes

@Test
public void manyToMany() {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> requestFlux = Flux.just(HelloRequest.getDefaultInstance());

    if (!expectFusion) {
        requestFlux = requestFlux.hide();
    }

    Flux<HelloResponse> resp = requestFlux.transform(stub::sayHelloBothStream);

    StepVerifier.Step<HelloResponse> stepVerifier = StepVerifier.create(resp);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<HelloResponse>) stepVerifier).expectFusion();
    }

    stepVerifier
            .verifyErrorMatches(t -> t instanceof StatusRuntimeException && ((StatusRuntimeException)t).getStatus() == Status.INTERNAL);
}

Example 3

Source Project: reactive-grpc File: EndToEndIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

6 votes

@Test
public void manyToOne() throws Exception {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> req = Flux.just(
            HelloRequest.newBuilder().setName("a").build(),
            HelloRequest.newBuilder().setName("b").build(),
            HelloRequest.newBuilder().setName("c").build());

    if (!expectFusion) {
        req = req.hide();
    }

    Mono<HelloResponse> resp = req.as(stub::sayHelloReqStream);

    StepVerifier.Step<String> stepVerifier = StepVerifier.create(resp.map(HelloResponse::getMessage));

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<String>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext("Hello a and b and c")
            .verifyComplete();
}

Example 4

Source Project: reactive-grpc File: ClientThreadIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void manyToMany() {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> req = Flux.just(
            HelloRequest.newBuilder().setName("a").build(),
            HelloRequest.newBuilder().setName("b").build(),
            HelloRequest.newBuilder().setName("c").build(),
            HelloRequest.newBuilder().setName("d").build(),
            HelloRequest.newBuilder().setName("e").build());

    if (!expectFusion) {
        req = req.hide();
    }

    Flux<HelloResponse> resp = req.transform(stub::sayHelloBothStream);

    AtomicReference<String> clientThreadName = new AtomicReference<>();

    StepVerifier.Step<String> stepVerifier = StepVerifier.create(
        resp
            .map(HelloResponse::getMessage)
            .doOnNext(x -> clientThreadName.set(Thread.currentThread().getName()))
    );

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<String>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext("Hello a and b", "Hello c and d", "Hello e")
            .verifyComplete();

    assertThat(clientThreadName.get()).isEqualTo("TheGrpcClient");
    assertThat(service.serverThreadName.get()).isEqualTo("TheGrpcServer");
}

Example 5

Source Project: reactive-grpc File: CancellationPropagationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void clientCanCancelServerStreamExplicitly() throws InterruptedException {
    serverRule.getServiceRegistry().addService(service);

    AtomicInteger lastNumberConsumed = new AtomicInteger(Integer.MAX_VALUE);
    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());
    Mono<Empty> request = Mono.just(Empty.getDefaultInstance());

    if (!expectFusion) {
        request = request.hide();
    }

    Flux<NumberProto.Number> test =
            request
                .as(stub::responsePressure)
                .doOnNext(number -> {lastNumberConsumed.set(number.getNumber(0)); System.out.println("C: " + number.getNumber(0));})
                .doOnError(throwable -> System.out.println(throwable.getMessage()))
                .doOnComplete(() -> System.out.println("Completed"))
                .doOnCancel(() -> System.out.println("Client canceled"));

    if (!expectFusion) {
        test = test.hide();
    }

    Disposable subscription = test.publish().connect();

    Thread.sleep(1000);
    subscription.dispose();
    Thread.sleep(1000);

    // Cancellation may or may not deliver the last generated message due to delays in the gRPC processing thread
    assertThat(Math.abs(lastNumberConsumed.get() - service.getLastNumberProduced())).isLessThanOrEqualTo(3);
    assertThat(service.wasCanceled()).isTrue();
}

Example 6

Source Project: reactive-grpc File: CancellationPropagationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void clientCanCancelServerStreamImplicitly() throws InterruptedException {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());
    Mono<Empty> request = Mono.just(Empty.getDefaultInstance());

    if (!expectFusion) {
        request = request.hide();
    }

    Flux<NumberProto.Number> test =
            request
                .as(stub::responsePressure)
                .doOnNext(number -> System.out.println(number.getNumber(0)))
                .doOnError(throwable -> System.out.println(throwable.getMessage()))
                .doOnComplete(() -> System.out.println("Completed"))
                .doOnCancel(() -> System.out.println("Client canceled"))
                .take(10);

    if (!expectFusion) {
        test = test.hide();
    }

    Disposable subscription = test.publish().connect();

    Thread.sleep(1000);

    assertThat(service.wasCanceled()).isTrue();
}

Example 7

Source Project: reactive-grpc File: BackpressureIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void clientToServerBackpressure() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    Flux<NumberProto.Number> reactorRequest = Flux
            .fromIterable(IntStream.range(0, NUMBER_OF_STREAM_ELEMENTS)::iterator)
            .doOnNext(i -> System.out.println(i + " --> "))
            .doOnNext(i -> updateNumberOfWaits(lastValueTime, numberOfWaits))
            .map(BackpressureIntegrationTest::protoNum);

    if (!expectFusion) {
        reactorRequest = reactorRequest.hide();
    }

    Mono<NumberProto.Number> reactorResponse = reactorRequest.as(stub::requestPressure);

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(reactorResponse);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
                .expectNextMatches(v -> v.getNumber(0) == NUMBER_OF_STREAM_ELEMENTS - 1)
                .expectComplete()
                .verify(Duration.ofSeconds(15));

    assertThat(numberOfWaits.get()).isGreaterThan(0L);
}

Example 8

Source Project: reactive-grpc File: BackpressureIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void bidiResponseBackpressure() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    Flux<NumberProto.Number> reactorRequest = Flux.empty();

    if (!expectFusion) {
        reactorRequest = reactorRequest.hide();
    }

    Flux<NumberProto.Number> reactorResponse = reactorRequest.transform(stub::twoWayResponsePressure)
            .doOnNext(n -> System.out.println(n.getNumber(0) + "  <--"))
            .doOnNext(n -> waitIfValuesAreEqual(n.getNumber(0), 3));

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(reactorResponse);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNextCount(NUMBER_OF_STREAM_ELEMENTS)
            .expectComplete()
            .verify(Duration.ofSeconds(15));

    assertThat(numberOfWaits.get()).isGreaterThan(0L);
}

Example 9

Source Project: reactive-grpc File: BackpressureIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void bidiRequestBackpressure() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    Flux<NumberProto.Number> reactorRequest = Flux
            .fromIterable(IntStream.range(0, NUMBER_OF_STREAM_ELEMENTS)::iterator)
            .doOnNext(i -> System.out.println(i + " --> "))
            .doOnNext(i -> updateNumberOfWaits(lastValueTime, numberOfWaits))
            .map(BackpressureIntegrationTest::protoNum);

    if (!expectFusion) {
        reactorRequest = reactorRequest.hide();
    }

    Flux<NumberProto.Number> reactorResponse = reactorRequest.transform(stub::twoWayRequestPressure);

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(reactorResponse);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNextMatches(v -> v.getNumber(0) == NUMBER_OF_STREAM_ELEMENTS - 1)
            .expectComplete()
            .verify(Duration.ofSeconds(15));

    assertThat(numberOfWaits.get()).isGreaterThan(0L);
}

Example 10

Source Project: reactive-grpc File: EndToEndIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void manyToMany() throws Exception {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> req = Flux.just(
            HelloRequest.newBuilder().setName("a").build(),
            HelloRequest.newBuilder().setName("b").build(),
            HelloRequest.newBuilder().setName("c").build(),
            HelloRequest.newBuilder().setName("d").build(),
            HelloRequest.newBuilder().setName("e").build());

    if (!expectFusion) {
        req = req.hide();
    }

    Flux<HelloResponse> resp = req.transform(stub::sayHelloBothStream);



    StepVerifier.Step<String> stepVerifier = StepVerifier.create(resp.map(HelloResponse::getMessage));

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<String>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext("Hello a and b", "Hello c and d", "Hello e")
            .verifyComplete();
}

Example 11

Source Project: reactive-grpc File: ServerErrorUpstreamCancellationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void serverErrorSignalsUpstreamCancellationManyToOne() {
    serverRule.getServiceRegistry().addService(service);
    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    AtomicBoolean upstreamCancel = new AtomicBoolean(false);

    Flux<NumberProto.Number> requestFlux = Flux.range(0, Integer.MAX_VALUE)
                                               .map(this::protoNum)
                                               .doOnCancel(() -> upstreamCancel.set(true));

    if (!expectFusion) {
        requestFlux = requestFlux.hide();
    }

    Mono<NumberProto.Number> observer = requestFlux
                                            .as(stub::requestPressure)
                                            .doOnError(System.out::println)
                                            .doOnSuccess(i -> System.out.println(i.getNumber(0)));

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(observer);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .verifyError(StatusRuntimeException.class);

    assertThat(upstreamCancel.get()).isTrue();
}

Example 12

Source Project: reactive-grpc File: ServerErrorUpstreamCancellationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

5 votes

@Test
public void serverErrorSignalsUpstreamCancellationBidi() {
    serverRule.getServiceRegistry().addService(service);
    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    AtomicBoolean upstreamCancel = new AtomicBoolean(false);

    Flux<NumberProto.Number> requestFlux = Flux.range(0, Integer.MAX_VALUE)
                                               .map(this::protoNum)
                                               .doOnCancel(() -> upstreamCancel.set(true));

    if (!expectFusion) {
        requestFlux = requestFlux.hide();
    }

    Flux<NumberProto.Number> subscriber = requestFlux
                                              .transform(stub::twoWayPressure)
                                              .doOnNext(i -> System.out.println(i.getNumber(0)));

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(subscriber);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .verifyError(StatusRuntimeException.class);

    assertThat(upstreamCancel.get()).isTrue();
}

Example 13

Source Project: reactive-grpc File: CancellationPropagationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

4 votes

@Test
public void serverCanCancelClientStreamImplicitly() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    service.setExplicitCancel(false);

    AtomicBoolean requestWasCanceled = new AtomicBoolean(false);
    AtomicBoolean requestDidProduce = new AtomicBoolean(false);

    Flux<NumberProto.Number> request = Flux
            .fromIterable(IntStream.range(0, NUMBER_OF_STREAM_ELEMENTS)::iterator)
            .delayElements(Duration.ofMillis(SEQUENCE_DELAY_MILLIS))
            .map(CancellationPropagationIntegrationTest::protoNum)
            .doOnNext(x -> {
                requestDidProduce.set(true);
                System.out.println("Produced: " + x.getNumber(0));
            })
            .doOnCancel(() -> {
                requestWasCanceled.set(true);
                System.out.println("Client canceled");
            });

    if (!expectFusion) {
        request = request.hide();
    }

    Mono<NumberProto.Number> observer = request.as(stub::requestPressure)
            .doOnSuccess(number -> System.out.println(number.getNumber(0)))
            .doOnError(throwable -> System.out.println(throwable.getMessage()));

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(observer);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext(protoNum(9))
            .verifyComplete();

    await().atMost(org.awaitility.Duration.FIVE_HUNDRED_MILLISECONDS).untilTrue(requestWasCanceled);

    assertThat(requestWasCanceled.get()).isTrue();
    assertThat(requestDidProduce.get()).isTrue();
}

Example 14

Source Project: reactive-grpc File: CancellationPropagationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

4 votes

@Test
public void serverCanCancelClientStreamExplicitly() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    service.setExplicitCancel(true);

    AtomicBoolean requestWasCanceled = new AtomicBoolean(false);
    AtomicBoolean requestDidProduce = new AtomicBoolean(false);

    Flux<NumberProto.Number> request = Flux
            .fromIterable(IntStream.range(0, NUMBER_OF_STREAM_ELEMENTS)::iterator)
            .delayElements(Duration.ofMillis(SEQUENCE_DELAY_MILLIS))
            .map(CancellationPropagationIntegrationTest::protoNum)
            .doOnNext(n -> {
                requestDidProduce.set(true);
                System.out.println("P: " + n.getNumber(0));
            })
            .doOnCancel(() -> {
                requestWasCanceled.set(true);
                System.out.println("Client canceled");
            });

    if (!expectFusion) {
        request = request.hide();
    }

    Mono<NumberProto.Number> observer = request.as(stub::requestPressure)
            .doOnSuccess(number -> System.out.println(number.getNumber(0)))
            .doOnError(throwable -> System.out.println(throwable.getMessage()));

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(observer);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext(protoNum(-1))
            .verifyComplete();

    await().atMost(org.awaitility.Duration.FIVE_HUNDRED_MILLISECONDS).untilTrue(requestWasCanceled);

    assertThat(requestWasCanceled.get()).isTrue();
    assertThat(requestDidProduce.get()).isTrue();
}

Example 15

Source Project: reactive-grpc File: CancellationPropagationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

4 votes

@Test
public void serverCanCancelClientStreamImplicitlyBidi() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    service.setExplicitCancel(false);

    AtomicBoolean requestWasCanceled = new AtomicBoolean(false);
    AtomicBoolean requestDidProduce = new AtomicBoolean(false);

    Flux<NumberProto.Number> request = Flux
            .fromIterable(IntStream.range(0, NUMBER_OF_STREAM_ELEMENTS)::iterator)
            .delayElements(Duration.ofMillis(SEQUENCE_DELAY_MILLIS))
            .map(CancellationPropagationIntegrationTest::protoNum)
            .doOnNext(x -> {
                requestDidProduce.set(true);
                System.out.println("Produced: " + x.getNumber(0));
            })
            .doOnCancel(() -> {
                requestWasCanceled.set(true);
                System.out.println("Client canceled");
            });

    if (!expectFusion) {
        request = request.hide();
    }

    Flux<NumberProto.Number> observer = request.transform(stub::twoWayPressure)
            .doOnNext(number -> System.out.println(number.getNumber(0)))
            .doOnError(throwable -> System.out.println(throwable.getMessage()));

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(observer);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext(protoNum(9))
            .verifyComplete();

    await().atMost(org.awaitility.Duration.FIVE_HUNDRED_MILLISECONDS).untilTrue(requestWasCanceled);

    assertThat(requestWasCanceled.get()).isTrue();
    assertThat(requestDidProduce.get()).isTrue();
}

Example 16

Source Project: reactive-grpc File: CancellationPropagationIntegrationTest.java License: BSD 3-Clause "New" or "Revised" License

4 votes

@Test
public void serverCanCancelClientStreamExplicitlyBidi() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    service.setExplicitCancel(true);

    AtomicBoolean requestWasCanceled = new AtomicBoolean(false);
    AtomicBoolean requestDidProduce = new AtomicBoolean(false);

    Flux<NumberProto.Number> request = Flux
            .fromIterable(IntStream.range(0, NUMBER_OF_STREAM_ELEMENTS)::iterator)
            .delayElements(Duration.ofMillis(SEQUENCE_DELAY_MILLIS))
            .map(CancellationPropagationIntegrationTest::protoNum)
            .doOnNext(n -> {
                requestDidProduce.set(true);
                System.out.println("P: " + n.getNumber(0));
            })
            .doOnCancel(() -> {
                requestWasCanceled.set(true);
                System.out.println("Client canceled");
            });

    if (!expectFusion) {
        request = request.hide();
    }

    Flux<NumberProto.Number> observer = request.transform(stub::twoWayPressure)
            .doOnNext(number -> System.out.println(number.getNumber(0)))
            .doOnError(throwable -> System.out.println(throwable.getMessage()));

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(observer);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext(protoNum(-1))
            .verifyComplete();

    await().atMost(org.awaitility.Duration.FIVE_HUNDRED_MILLISECONDS).untilTrue(requestWasCanceled);

    assertThat(requestWasCanceled.get()).isTrue();
    assertThat(requestDidProduce.get()).isTrue();
}

Example 17

Source Project: reactor-core File: ReduceOperatorTest.java License: Apache License 2.0

4 votes

@Override
final Flux<I> hide(Flux<I> input) {
	return input.hide();
}

Example 18

Source Project: reactor-core File: FluxOperatorTest.java License: Apache License 2.0

4 votes

@Override
Flux<I> hide(Flux<I> input) {
	return input.hide();
}