Java Code Examples for reactor.test.StepVerifier#Step

The following examples show how to use reactor.test.StepVerifier#Step . 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 File: OperatorScenario.java From reactor-core with Apache License 2.0

6 votes

final StepVerifier.Step<O> applySteps(int start,
		int stop,
		StepVerifier.Step<O> step) {
	if (stop <= start) {
		return step;
	}

	if (receivers != null) {
		for (int i = start; i < receivers.length; i++) {
			step = step.assertNext(receivers[i]);
			if (i == stop - 1) {
				return step;
			}
		}
	}
	else if (receiverValues != null) {
		for (int i = start; i < receiverValues.length; i++) {
			step = step.expectNext(receiverValues[i]);
			if (i == stop - 1) {
				return step;
			}
		}
	}

	return step;
}

Example 2

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

6 votes

final StepVerifier.Step<O> inputConditionalError(OperatorScenario<I, PI, O, PO> scenario) {
	TestPublisher<I> ts =
			TestPublisher.createNoncompliant(TestPublisher.Violation.CLEANUP_ON_TERMINATE);
	return StepVerifier.create(scenario.body()
	                                   .apply(withFluxSource(ts.flux())))
	                   .then(() -> {
		                   ts.error(exception());

		                   //verify drop path
		                   if (scenario.shouldHitDropErrorHookAfterTerminate()) {
			                   ts.complete();
			                   ts.error(scenario.droppedError);
		                   }
		                   if (scenario.shouldHitDropNextHookAfterTerminate()) {
			                   ts.next(scenario.droppedItem);
		                   }
	                   });
}

Example 3

Source File: SwitchOnFirstIntegrationTest.java From reactive-grpc with BSD 3-Clause "New" or "Revised" License

6 votes

@Test
public void SwitchOnFirstWorksAsExpected() {
    serverRule.getServiceRegistry().addService(svc);
    ReactorSkipGreeterGrpc.ReactorSkipGreeterStub stub = ReactorSkipGreeterGrpc.newReactorStub(serverRule.getChannel());

    StepVerifier.Step<String> stepVerifier = StepVerifier.create(
        stub.skipGreet(
            Flux.just(
                Frame.newBuilder().setConfig(Config.newBuilder().setSkip(3).build()).build(),
                Frame.newBuilder().setPayload(Payload.newBuilder().setName("Andy").build()).build(),
                Frame.newBuilder().setPayload(Payload.newBuilder().setName("Brad").build()).build(),
                Frame.newBuilder().setPayload(Payload.newBuilder().setName("Charles").build()).build(),
                Frame.newBuilder().setPayload(Payload.newBuilder().setName("Diane").build()).build(),
                Frame.newBuilder().setPayload(Payload.newBuilder().setName("Edith").build()).build()
            ))
            .map(Greeting::getMessage)
            .doOnNext(System.out::println));

    stepVerifier
            .expectNext("Hello Diane")
            .expectNext("Hello Edith")
            .verifyComplete();
}

Example 4

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

6 votes

final StepVerifier.Step<O> inputHiddenErrorOutputConditional(OperatorScenario<I, PI, O, PO> scenario) {
	TestPublisher<I> ts =
			TestPublisher.createNoncompliant(TestPublisher.Violation.CLEANUP_ON_TERMINATE);
	return StepVerifier.create(scenario.body()
	                                   .andThen(this::conditional)
	                                   .apply(hide(withFluxSource(ts.flux()))))
	                   .then(() -> {
		                   ts.error(exception());

		                   //verify drop path
		                   if (scenario.shouldHitDropNextHookAfterTerminate()) {
			                   ts.next(scenario.droppedItem);
		                   }
		                   if (scenario.shouldHitDropErrorHookAfterTerminate()) {
			                   ts.complete();
			                   ts.error(scenario.droppedError);
		                   }
	                   });
}

Example 5

Source File: EndToEndIntegrationTest.java From reactive-grpc with 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 6

Source File: ClientThreadIntegrationTest.java From reactive-grpc with 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 7

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

5 votes

final StepVerifier.Step<O> inputHiddenOutputConditionalTryNext(OperatorScenario<I, PI, O, PO> scenario) {
	return StepVerifier.create(scenario.body()
	                                   .andThen(this::conditional)
	                                   .apply(anySourceHidden(scenario)),
			Math.max(scenario.producerCount(), scenario.receiverCount()))
	                   .consumeSubscriptionWith(s -> s.request(0));
}

Example 8

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

5 votes

final StepVerifier.Step<O> inputConditionalOutputConditional(OperatorScenario<I, PI, O, PO> scenario) {
	TestPublisher<I> ts = TestPublisher.create();

	return StepVerifier.create(scenario.body()
	                                   .andThen(this::conditional)
	                                   .apply(withFluxSource(ts.flux())))
	                   .then(() -> testPublisherSource(scenario, ts));

}

Example 9

Source File: ServerErrorUpstreamCancellationIntegrationTest.java From reactive-grpc with 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 10

Source File: ServerErrorUpstreamCancellationIntegrationTest.java From reactive-grpc with 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 11

Source File: EndToEndIntegrationTest.java From reactive-grpc with 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 12

Source File: BackpressureIntegrationTest.java From reactive-grpc with 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 13

Source File: BackpressureIntegrationTest.java From reactive-grpc with 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 14

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

5 votes

final StepVerifier.Step<O> inputFusedSyncErrorOutputFusedSync(OperatorScenario<I, PI, O, PO> scenario) {
	return StepVerifier.create(scenario.body()
	                                   .apply(Flux.just(item(0), item(1))
	                                              .as(f -> withFluxSource(new FluxFuseableExceptionOnPoll<>(
			                                              f,
			                                              exception())))))
	                   .expectFusion(scenario.fusionMode() & SYNC);
}

Example 15

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

5 votes

final StepVerifier.Step<O> inputFusedConditionalOutputConditionalTryNext(OperatorScenario<I, PI, O, PO> scenario) {
	return StepVerifier.create(scenario.body()
	                                   .andThen(this::conditional)
	                                   .apply(anySource(scenario)),
			Math.max(scenario.producerCount(), scenario.receiverCount()))
	                   .consumeSubscriptionWith(s -> s.request(0));
}

Example 16

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

5 votes

final StepVerifier.Step<O> inputFusedAsyncErrorOutputFusedAsync(OperatorScenario<I, PI, O, PO> scenario) {
	FluxIdentityProcessor<I> up = Processors.unicast();
	up.onNext(item(0));
	return StepVerifier.create(scenario.body()
	                                   .apply(up.as(f -> withFluxSource(new FluxFuseableExceptionOnPoll<>(
			                                   f,
			                                   exception())))))
	                   .expectFusion(scenario.fusionMode() & ASYNC);
}

Example 17

Source File: OperatorScenario.java From reactor-core with Apache License 2.0

4 votes

final StepVerifier.Step<O> applySteps(StepVerifier.Step<O> step) {
	return applySteps(0, Integer.MAX_VALUE, step);
}

Example 18

Source File: OperatorScenario.java From reactor-core with Apache License 2.0

4 votes

@Nullable
final Consumer<StepVerifier.Step<O>> verifier() {
	return verifier;
}

Example 19

Source File: CancellationPropagationIntegrationTest.java From reactive-grpc with 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 20

Source File: BaseOperatorTest.java From reactor-core with Apache License 2.0

4 votes

final StepVerifier.Step<O> inputConditionalTryNext(OperatorScenario<I, PI, O, PO> scenario) {
	TestPublisher<I> ts = TestPublisher.create();

	return StepVerifier.create(scenario.body().apply(withFluxSource(ts.flux())), Math.max(scenario.producerCount(), scenario.receiverCount()))
	                   .then(() -> testPublisherSource(scenario, ts));
}