Java Code Examples for reactor.core.publisher.Hooks#onOperatorDebug()

The following examples show how to use reactor.core.publisher.Hooks#onOperatorDebug() . 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: TransactionalServiceIntegrationTests.java    From spring-data-examples with Apache License 2.0 6 votes vote down vote up 
@Before
public void setUp() {

	Hooks.onOperatorDebug();

	List<String> statements = Arrays.asList(//
			"DROP TABLE IF EXISTS customer;",
			"CREATE TABLE customer ( id SERIAL PRIMARY KEY, firstname VARCHAR(100) NOT NULL, lastname VARCHAR(100) NOT NULL);");

	statements.forEach(it -> database.execute(it) //
			.fetch() //
			.rowsUpdated() //
			.as(StepVerifier::create) //
			.expectNextCount(1) //
			.verifyComplete());
}
Example 2
Source File: CustomerRepositoryIntegrationTests.java    From spring-data-examples with Apache License 2.0 6 votes vote down vote up 
@Before
public void setUp() {

	Hooks.onOperatorDebug();

	List<String> statements = Arrays.asList(//
			"DROP TABLE IF EXISTS customer;",
			"CREATE TABLE customer ( id SERIAL PRIMARY KEY, firstname VARCHAR(100) NOT NULL, lastname VARCHAR(100) NOT NULL);");

	statements.forEach(it -> database.execute(it) //
			.fetch() //
			.rowsUpdated() //
			.as(StepVerifier::create) //
			.expectNextCount(1) //
			.verifyComplete());
}
Example 3
Source File: ReactivePostRepositoryTest.java    From POC with Apache License 2.0 6 votes vote down vote up 
@BeforeEach
void setUp() {

	Hooks.onOperatorDebug();

	List<String> statements = Arrays.asList(//
			"DROP TABLE IF EXISTS reactive_posts;",
			"CREATE TABLE reactive_posts ( id SERIAL PRIMARY KEY, title VARCHAR(100) NOT NULL, content VARCHAR(100) NOT NULL);");

	statements.forEach(it -> this.databaseClient.execute(it) //
			.fetch() //
			.rowsUpdated() //
			.as(StepVerifier::create) //
			.expectNextCount(1) //
			.verifyComplete());
}
Example 4
Source File: HooksTraceTest.java    From reactor-core with Apache License 2.0 6 votes vote down vote up 
@Test
public void testTraceComposed2() {
	Hooks.onOperatorDebug();
	assertThatExceptionOfType(RuntimeException.class).isThrownBy(() ->
			Flux.just(1)
			    .flatMap(d -> {
				    throw new RuntimeException();
			    })
			    .filter(d -> true)
			    .doOnNext(d -> System.currentTimeMillis())
			    .map(d -> d)
			    .blockLast()
	).satisfies(e -> assertThat(e.getSuppressed()[0])
			.hasMessageContaining("HooksTraceTest.java:")
			.hasMessageContaining("|_  Flux.flatMap ⇢ at reactor.HooksTraceTest.lambda$testTraceComposed2$31(HooksTraceTest.java:")
	);
}
Example 5
Source File: R080_Backpressure.java    From reactor-workshop with GNU General Public License v3.0 6 votes vote down vote up 
@Test
public void whatIsBackpressure() throws Exception {
    //given
    Hooks.onOperatorDebug();
    final Flux<Long> flux = Flux
            .interval(Duration.ofMillis(10))
            .doOnNext(x -> log.info("Emitting {}", x))
            .onBackpressureError()
            .onBackpressureDrop(x -> log.warn("Dropped {}", x))
            .publishOn(newElastic("Two"));

    //when
    flux.subscribe(x -> {
                log.info("Handling {}", x);
                Sleeper.sleep(Duration.ofMillis(1110));
            },
            e -> {
                log.error("Opps", e);
            }
    );

    //then
    TimeUnit.SECONDS.sleep(50);
}
Example 6
Source File: R2dbcApplicationIntegrationTest.java    From tutorials with MIT License 6 votes vote down vote up 
@Before
public void setup() {

    Hooks.onOperatorDebug();

    List<String> statements = Arrays.asList(//
            "DROP TABLE IF EXISTS player;",
            "CREATE table player (id INT AUTO_INCREMENT NOT NULL, name VARCHAR2, age INT NOT NULL);");

    statements.forEach(it -> client.execute(it) //
            .fetch() //
            .rowsUpdated() //
            .as(StepVerifier::create) //
            .expectNextCount(1) //
            .verifyComplete());

}
Example 7
Source File: ReactiveRequestProcessingTest.java    From crnk-framework with Apache License 2.0 6 votes vote down vote up 
@Test
public void getTasks() throws IOException {
	Mockito.when(requestContextBase.getMethod()).thenReturn("GET");
	Mockito.when(requestContextBase.getPath()).thenReturn("/reactive/task/");
	Mockito.when(requestContextBase.getRequestHeader("Accept")).thenReturn("*");
	Hooks.onOperatorDebug();
	HttpResponse response = processor.processAsync(requestContext).get();

	String json = new String(response.getBody());
	Assert.assertEquals(200, response.getStatusCode());
	Document document = boot.getObjectMapper().readerFor(Document.class).readValue(json);
	Assert.assertTrue(document.getData().isPresent());

	List<Resource> resources = document.getCollectionData().get();
	Assert.assertEquals(1, resources.size());
	Resource resource = resources.get(0);
	Assert.assertEquals("http://localhost:8080/reactive/task/1", resource.getLinks().get("self").asText());
	Assert.assertNotNull(resource.getLinks().get("value"));
}
Example 8
Source File: ApiController.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 5 votes vote down vote up 
@GetMapping(API_BASE_PATH + "/images")
Flux<Image> images() {
	Hooks.onOperatorDebug();

	return Flux.just(
		new Image(1, "learning-spring-boot-cover.jpg"),
		new Image(2, "learning-spring-boot-2nd-edition-cover.jpg"),
		new Image(3, "bazinga.png")
	);
}
Example 9
Source File: GuideTests.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Before
public void populateDebug() {
	if (testName.getMethodName().equals("debuggingCommonStacktrace")) {
		toDebug = scatterAndGather(urls());
	}
	else if (testName.getMethodName().startsWith("debuggingActivated")) {
		Hooks.onOperatorDebug();
		toDebug = scatterAndGather(urls());
	}
}
Example 10
Source File: ScannableTest.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Test
public void operatorChainWithDebugMode() {
	Hooks.onOperatorDebug();

	List<String> downstream = new ArrayList<>();
	List<String> upstream = new ArrayList<>();

	Mono<?> m=
			Flux.from(s -> {
				Scannable thisSubscriber = Scannable.from(s);
				assertThat(thisSubscriber.isScanAvailable()).as("thisSubscriber.isScanAvailable").isTrue();
				thisSubscriber.steps().forEach(downstream::add);
			})
			    .map(a -> a)
			    .delayElements(Duration.ofMillis(10))
			    .filter(a -> true)
			    .reduce((a, b) -> b);

	m.subscribe();

	Scannable thisOperator = Scannable.from(m);
	assertThat(thisOperator.isScanAvailable()).as("thisOperator.isScanAvailable").isTrue();

	thisOperator.steps().forEach(upstream::add);

	assertThat(downstream).containsExactly(
			"Flux.from ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:537)",
			"Flux.map ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:542)",
			"Flux.delayElements ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:543)",
			"Flux.filter ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:544)",
			"Flux.reduce ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:545)",
			"lambda");

	assertThat(upstream).containsExactly(
			"Flux.from ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:537)",
			"Flux.map ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:542)",
			"Flux.delayElements ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:543)",
			"Flux.filter ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:544)",
			"Flux.reduce ⇢ at reactor.core.ScannableTest.operatorChainWithDebugMode(ScannableTest.java:545)");
}
Example 11
Source File: ApiController.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 5 votes vote down vote up 
@PostMapping(API_BASE_PATH + "/images")
Mono<Void> create(@RequestPart Flux<FilePart> images) {
	Hooks.onOperatorDebug();

	return images
		.map(image -> {
			log.info("We will save " + image + " to a Reactive database soon!");
			return image;
		})
		.then();
}
Example 12
Source File: ReactorProbe.java    From Hands-On-Reactive-Programming-with-Reactor with MIT License 5 votes vote down vote up 
@Test
public void testPublisherStub() throws Exception {
    Hooks.onOperatorDebug();
    TestPublisher<Long> numberGenerator= TestPublisher.<Long>create();
    StringWriter out = new StringWriter();
    new PrintService().printEventNumbers(numberGenerator.flux(),new PrintWriter(out));
    numberGenerator.next(1L,2L,3L,4L);
    numberGenerator.complete();
    assertTrue(out.getBuffer().length() >0);
}
Example 13
Source File: HooksTraceTest.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Test
public void testTraceComposed() {
	Hooks.onOperatorDebug();
	assertThatExceptionOfType(RuntimeException.class).isThrownBy(() ->
			Mono.just(1)
			    .flatMap(d -> Mono.error(new RuntimeException()))
			    .filter(d -> true)
			    .doOnNext(d -> System.currentTimeMillis())
			    .map(d -> d)
			    .block()
	).satisfies(e -> assertThat(e.getSuppressed()[0])
			.hasMessageContaining("HooksTraceTest.java:")
			.hasMessageContaining("|_  Mono.flatMap ⇢ at reactor.HooksTraceTest.lambda$testTraceComposed$25(HooksTraceTest.java:")
	);
}
Example 14
Source File: GatewayApplication.java    From rsocket-routing-sample with Apache License 2.0 4 votes vote down vote up 
public static void main(String[] args) {
	Hooks.onOperatorDebug();
	//ResourceLeakDetector.setLevel(ResourceLeakDetector.Level.PARANOID);
	SpringApplication.run(GatewayApplication.class, args);
}
Example 15
Source File: LearningSpringBootImagesApplication.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 4 votes vote down vote up 
@Autowired
protected void initialize(ReactorCoreProperties properties) {
	if (properties.getStacktraceMode().isEnabled()) {
		Hooks.onOperatorDebug();
	}
}
Example 16
Source File: DemoApplication.java    From Hands-On-Reactive-Programming-in-Spring-5 with MIT License 4 votes vote down vote up 
public static void main(String[] args) {
	Hooks.onOperatorDebug();
	SpringApplication.run(DemoApplication.class, args);
}
Example 17
Source File: ConsumerDebuggingApplication.java    From tutorials with MIT License 4 votes vote down vote up 
public static void main(String[] args) {
    Hooks.onOperatorDebug();
    SpringApplication app = new SpringApplication(ConsumerDebuggingApplication.class);
    app.setDefaultProperties(Collections.singletonMap("server.port", "8082"));
    app.run(args);
}
Example 18
Source File: PingPongApp.java    From spring-cloud-rsocket with Apache License 2.0 4 votes vote down vote up 
public static void main(String[] args) {
	Hooks.onOperatorDebug();
	SpringApplication.run(PingPongApp.class, args);
}
Example 19
Source File: BrokerActuatorIntegrationTests.java    From spring-cloud-rsocket with Apache License 2.0 4 votes vote down vote up 
@BeforeClass
public static void init() {
	Hooks.onOperatorDebug();
	port = SocketUtils.findAvailableTcpPort();
	System.setProperty("spring.rsocket.server.port", String.valueOf(port));
}
Example 20
Source File: OwnerControllerTests.java    From spring-graalvm-native with Apache License 2.0 4 votes vote down vote up 
@Test
public void testInitUpdateOwnerForm() throws Exception {
	Hooks.onOperatorDebug();
	client.get().uri("/owners/{ownerId}/edit", TEST_OWNER_ID).exchange()
			.expectStatus().isOk();
}