/
HttpHandlerConnectorTests.java
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/
HttpHandlerConnectorTests.java
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/*
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.test.web.reactive.server;
import java.net.URI;
import java.time.Duration;
import java.util.Arrays;
import java.util.Collections;
import java.util.function.Function;
import org.junit.jupiter.api.Test;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Schedulers;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DefaultDataBufferFactory;
import org.springframework.core.io.buffer.support.DataBufferTestUtils;
import org.springframework.http.HttpCookie;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.ReactiveHttpOutputMessage;
import org.springframework.http.ResponseCookie;
import org.springframework.http.client.reactive.ClientHttpResponse;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Unit tests for {@link HttpHandlerConnector}.
* @author Rossen Stoyanchev
*/
public class HttpHandlerConnectorTests {
@Test
public void adaptRequest() {
TestHttpHandler handler = new TestHttpHandler(response -> {
response.setStatusCode(HttpStatus.OK);
return response.setComplete();
});
new HttpHandlerConnector(handler).connect(HttpMethod.POST, URI.create("/custom-path"),
request -> {
request.getHeaders().put("custom-header", Arrays.asList("h0", "h1"));
request.getCookies().add("custom-cookie", new HttpCookie("custom-cookie", "c0"));
return request.writeWith(Mono.just(toDataBuffer("Custom body")));
}).block(Duration.ofSeconds(5));
MockServerHttpRequest request = (MockServerHttpRequest) handler.getSavedRequest();
assertThat(request.getMethod()).isEqualTo(HttpMethod.POST);
assertThat(request.getURI().toString()).isEqualTo("/custom-path");
HttpHeaders headers = request.getHeaders();
assertThat(headers.get("custom-header")).isEqualTo(Arrays.asList("h0", "h1"));
assertThat(request.getCookies().getFirst("custom-cookie")).isEqualTo(new HttpCookie("custom-cookie", "c0"));
assertThat(headers.get(HttpHeaders.COOKIE)).isEqualTo(Collections.singletonList("custom-cookie=c0"));
DataBuffer buffer = request.getBody().blockFirst(Duration.ZERO);
assertThat(DataBufferTestUtils.dumpString(buffer, UTF_8)).isEqualTo("Custom body");
}
@Test
public void adaptResponse() {
ResponseCookie cookie = ResponseCookie.from("custom-cookie", "c0").build();
TestHttpHandler handler = new TestHttpHandler(response -> {
response.setStatusCode(HttpStatus.OK);
response.getHeaders().put("custom-header", Arrays.asList("h0", "h1"));
response.addCookie(cookie);
return response.writeWith(Mono.just(toDataBuffer("Custom body")));
});
ClientHttpResponse response = new HttpHandlerConnector(handler)
.connect(HttpMethod.GET, URI.create("/custom-path"), ReactiveHttpOutputMessage::setComplete)
.block(Duration.ofSeconds(5));
assertThat(response.getStatusCode()).isEqualTo(HttpStatus.OK);
HttpHeaders headers = response.getHeaders();
assertThat(headers.get("custom-header")).isEqualTo(Arrays.asList("h0", "h1"));
assertThat(response.getCookies().getFirst("custom-cookie")).isEqualTo(cookie);
assertThat(headers.get(HttpHeaders.SET_COOKIE)).isEqualTo(Collections.singletonList("custom-cookie=c0"));
DataBuffer buffer = response.getBody().blockFirst(Duration.ZERO);
assertThat(DataBufferTestUtils.dumpString(buffer, UTF_8)).isEqualTo("Custom body");
}
@Test // gh-23936
public void handlerOnNonBlockingThread() {
TestHttpHandler handler = new TestHttpHandler(response -> {
assertThat(Schedulers.isInNonBlockingThread()).isTrue();
response.setStatusCode(HttpStatus.OK);
return response.setComplete();
});
new HttpHandlerConnector(handler)
.connect(HttpMethod.POST, URI.create("/path"), request -> request.writeWith(Mono.empty()))
.block(Duration.ofSeconds(5));
}
private DataBuffer toDataBuffer(String body) {
return new DefaultDataBufferFactory().wrap(body.getBytes(UTF_8));
}
private static class TestHttpHandler implements HttpHandler {
private ServerHttpRequest savedRequest;
private final Function<ServerHttpResponse, Mono<Void>> responseMonoFunction;
public TestHttpHandler(Function<ServerHttpResponse, Mono<Void>> function) {
this.responseMonoFunction = function;
}
public ServerHttpRequest getSavedRequest() {
return this.savedRequest;
}
@Override
public Mono<Void> handle(ServerHttpRequest request, ServerHttpResponse response) {
this.savedRequest = request;
return this.responseMonoFunction.apply(response);
}
}
}