Examples with Publisher org.reactivestreams.Publisher used on opensource projects

Example 6 with Publisher

use of org.reactivestreams.Publisher in project spring-framework by spring-projects.

the class DispatcherHandlerErrorTests method unknownReturnType.

@Test
public void unknownReturnType() throws Exception {
    ServerWebExchange exchange = MockServerHttpRequest.get("/unknown-return-type").toExchange();
    Mono<Void> publisher = this.dispatcherHandler.handle(exchange);
    StepVerifier.create(publisher).consumeErrorWith(error -> {
        assertThat(error, instanceOf(IllegalStateException.class));
        assertThat(error.getMessage(), startsWith("No HandlerResultHandler"));
    }).verify();
}

Example 7 with Publisher

use of org.reactivestreams.Publisher in project spring-framework by spring-projects.

the class DefaultEntityResponseBuilderTests method bodyInserter.

@Test
public void bodyInserter() throws Exception {
    String body = "foo";
    Publisher<String> publisher = Mono.just(body);
    BiFunction<ServerHttpResponse, BodyInserter.Context, Mono<Void>> writer = (response, strategies) -> {
        byte[] bodyBytes = body.getBytes(UTF_8);
        ByteBuffer byteBuffer = ByteBuffer.wrap(bodyBytes);
        DataBuffer buffer = new DefaultDataBufferFactory().wrap(byteBuffer);
        return response.writeWith(Mono.just(buffer));
    };
    Mono<EntityResponse<Publisher<String>>> result = EntityResponse.fromPublisher(publisher, String.class).build();
    MockServerWebExchange exchange = MockServerHttpRequest.get("http://localhost").toExchange();
    HandlerStrategies strategies = HandlerStrategies.empty().messageWriter(new EncoderHttpMessageWriter<>(new CharSequenceEncoder())).build();
    StepVerifier.create(result).consumeNextWith(response -> {
        StepVerifier.create(response.entity()).expectNext(body).expectComplete().verify();
        response.writeTo(exchange, strategies);
    }).expectComplete().verify();
    assertNotNull(exchange.getResponse().getBody());
}

Example 8 with Publisher

use of org.reactivestreams.Publisher in project spring-framework by spring-projects.

the class DispatcherHandlerErrorTests method responseBodyMessageConversionError.

@Test
public void responseBodyMessageConversionError() throws Exception {
    ServerWebExchange exchange = MockServerHttpRequest.post("/request-body").accept(APPLICATION_JSON).body("body").toExchange();
    Mono<Void> publisher = this.dispatcherHandler.handle(exchange);
    StepVerifier.create(publisher).consumeErrorWith(error -> assertThat(error, instanceOf(NotAcceptableStatusException.class))).verify();
}

Example 9 with Publisher

use of org.reactivestreams.Publisher 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 10 with Publisher

use of org.reactivestreams.Publisher 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();
}