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

Example 36 with Mono

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

the class InvocableHandlerMethodTests method illegalArgumentExceptionIsWrappedWithInvocationDetails.

@Test
public void illegalArgumentExceptionIsWrappedWithInvocationDetails() throws Exception {
    Mono<Object> resolvedValue = Mono.just(1);
    Method method = on(TestController.class).mockCall(o -> o.singleArg(null)).method();
    Mono<HandlerResult> mono = invoke(new TestController(), method, resolverFor(resolvedValue));
    try {
        mono.block();
        fail("Expected IllegalStateException");
    } catch (IllegalStateException ex) {
        assertThat(ex.getMessage(), is("Failed to invoke handler method with resolved arguments: " + "[0][type=java.lang.Integer][value=1] " + "on " + method.toGenericString()));
    }
}

Example 37 with Mono

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

the class InvocableHandlerMethodTests method resolverThrowsException.

@Test
public void resolverThrowsException() throws Exception {
    Mono<Object> resolvedValue = Mono.error(new UnsupportedMediaTypeStatusException("boo"));
    Method method = on(TestController.class).mockCall(o -> o.singleArg(null)).method();
    Mono<HandlerResult> mono = invoke(new TestController(), method, resolverFor(resolvedValue));
    try {
        mono.block();
        fail("Expected UnsupportedMediaTypeStatusException");
    } catch (UnsupportedMediaTypeStatusException ex) {
        assertThat(ex.getMessage(), is("Request failure [status: 415, reason: \"boo\"]"));
    }
}

Example 38 with Mono

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

the class InvocableHandlerMethodTests method noMatchingResolver.

@Test
public void noMatchingResolver() throws Exception {
    Method method = on(TestController.class).mockCall(o -> o.singleArg(null)).method();
    Mono<HandlerResult> mono = invoke(new TestController(), method);
    try {
        mono.block();
        fail("Expected IllegalStateException");
    } catch (IllegalStateException ex) {
        assertThat(ex.getMessage(), is("No suitable resolver for argument 0 of type 'java.lang.String' " + "on " + method.toGenericString()));
    }
}

Example 39 with Mono

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

the class InvocableHandlerMethodTests method invokeMethodWithNoValue.

@Test
public void invokeMethodWithNoValue() throws Exception {
    Mono<Object> resolvedValue = Mono.empty();
    Method method = on(TestController.class).mockCall(o -> o.singleArg(null)).method();
    Mono<HandlerResult> mono = invoke(new TestController(), method, resolverFor(resolvedValue));
    assertHandlerResultValue(mono, "success:null");
}

Example 40 with Mono

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

the class FormHttpMessageWriter method write.

@Override
public Mono<Void> write(Publisher<? extends MultiValueMap<String, String>> inputStream, ResolvableType elementType, MediaType mediaType, ReactiveHttpOutputMessage outputMessage, Map<String, Object> hints) {
    MediaType contentType = outputMessage.getHeaders().getContentType();
    if (contentType == null) {
        contentType = MediaType.APPLICATION_FORM_URLENCODED;
        outputMessage.getHeaders().setContentType(contentType);
    }
    Charset charset = getMediaTypeCharset(contentType);
    return Flux.from(inputStream).single().map(form -> generateForm(form, charset)).then(value -> {
        ByteBuffer byteBuffer = charset.encode(value);
        DataBuffer buffer = outputMessage.bufferFactory().wrap(byteBuffer);
        outputMessage.getHeaders().setContentLength(byteBuffer.remaining());
        return outputMessage.writeWith(Mono.just(buffer));
    });
}