Examples with Mono reactor.core.publisher.Mono used on opensource projects

Example 11 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class DispatcherHandlerErrorTests method noHandler.

@Test
public void noHandler() throws Exception {
    ServerWebExchange exchange = MockServerHttpRequest.get("/does-not-exist").toExchange();
    Mono<Void> publisher = this.dispatcherHandler.handle(exchange);
    StepVerifier.create(publisher).consumeErrorWith(error -> {
        assertThat(error, instanceOf(ResponseStatusException.class));
        assertThat(error.getMessage(), is("Request failure [status: 404, reason: \"No matching handler\"]"));
    }).verify();
}

Example 12 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class DispatcherHandlerErrorTests method controllerReturnsMonoError.

@Test
public void controllerReturnsMonoError() throws Exception {
    ServerWebExchange exchange = MockServerHttpRequest.get("/error-signal").toExchange();
    Mono<Void> publisher = this.dispatcherHandler.handle(exchange);
    StepVerifier.create(publisher).consumeErrorWith(error -> assertSame(EXCEPTION, error)).verify();
}

Example 13 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class RouterFunctionsTests method toHttpHandlerHandlerThrowResponseStatusExceptionInResponseWriteTo.

@Test
public void toHttpHandlerHandlerThrowResponseStatusExceptionInResponseWriteTo() throws Exception {
    HandlerFunction<ServerResponse> handlerFunction = // Mono.<ServerResponse> is required for compilation in Eclipse
    request -> Mono.<ServerResponse>just(new ServerResponse() {

        @Override
        public HttpStatus statusCode() {
            return HttpStatus.OK;
        }

        @Override
        public HttpHeaders headers() {
            return new HttpHeaders();
        }

        @Override
        public Mono<Void> writeTo(ServerWebExchange exchange, HandlerStrategies strategies) {
            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Not found");
        }
    });
    RouterFunction<ServerResponse> routerFunction = RouterFunctions.route(RequestPredicates.all(), handlerFunction);
    HttpHandler result = RouterFunctions.toHttpHandler(routerFunction);
    assertNotNull(result);
    MockServerHttpRequest httpRequest = MockServerHttpRequest.get("http://localhost").build();
    MockServerHttpResponse httpResponse = new MockServerHttpResponse();
    result.handle(httpRequest, httpResponse).block();
    assertEquals(HttpStatus.NOT_FOUND, httpResponse.getStatusCode());
}

Example 14 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class MessageReaderArgumentResolverTests method emptyBody.

// More extensive "empty body" tests in RequestBody- and HttpEntityArgumentResolverTests
// SPR-9942
@Test
// SPR-9942
@SuppressWarnings("unchecked")
public void emptyBody() throws Exception {
    ServerWebExchange exchange = post("/path").contentType(MediaType.APPLICATION_JSON).toExchange();
    ResolvableType type = forClassWithGenerics(Mono.class, TestBean.class);
    MethodParameter param = this.testMethod.arg(type);
    Mono<TestBean> result = (Mono<TestBean>) this.resolver.readBody(param, true, this.bindingContext, exchange).block();
    StepVerifier.create(result).expectError(ServerWebInputException.class).verify();
}

Example 15 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class ModelAttributeMethodArgumentResolverTests method testValidationError.

private void testValidationError(MethodParameter param, Function<Mono<?>, Mono<?>> valueMonoExtractor) throws URISyntaxException {
    ServerWebExchange exchange = postForm("age=invalid");
    Mono<?> mono = createResolver().resolveArgument(param, this.bindContext, exchange);
    mono = valueMonoExtractor.apply(mono);
    StepVerifier.create(mono).consumeErrorWith(ex -> {
        assertTrue(ex instanceof WebExchangeBindException);
        WebExchangeBindException bindException = (WebExchangeBindException) ex;
        assertEquals(1, bindException.getErrorCount());
        assertTrue(bindException.hasFieldErrors("age"));
    }).verify();
}