/*
* Copyright 2012-2017 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
*
* http://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.boot.web.reactive.server;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.rules.TemporaryFolder;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import org.springframework.boot.testutil.InternalOutputCapture;
import org.springframework.boot.web.server.WebServer;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.util.SocketUtils;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.ClientResponse;
import org.springframework.web.reactive.function.client.WebClient;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Base for testing classes that extends {@link AbstractReactiveWebServerFactory}.
*
* @author Brian Clozel
*/
public abstract class AbstractReactiveWebServerFactoryTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Rule
public TemporaryFolder temporaryFolder = new TemporaryFolder();
@Rule
public InternalOutputCapture output = new InternalOutputCapture();
protected WebServer webServer;
@After
public void tearDown() {
if (this.webServer != null) {
try {
this.webServer.stop();
}
catch (Exception ex) {
// Ignore
}
}
}
protected abstract AbstractReactiveWebServerFactory getFactory();
@Test
public void startStopServer() {
this.webServer = getFactory().getWebServer(new EchoHandler());
this.webServer.start();
assertThat(this.output.toString()).contains("started on port");
Mono<String> result = getWebClient().post().uri("/test")
.contentType(MediaType.TEXT_PLAIN)
.body(BodyInserters.fromObject("Hello World")).exchange()
.flatMap(response -> response.bodyToMono(String.class));
assertThat(result.block()).isEqualTo("Hello World");
this.webServer.stop();
Mono<ClientResponse> response = getWebClient().post().uri("/test")
.contentType(MediaType.TEXT_PLAIN)
.body(BodyInserters.fromObject("Hello World")).exchange();
StepVerifier.create(response).expectError().verify();
}
@Test
public void specificPort() throws Exception {
AbstractReactiveWebServerFactory factory = getFactory();
int specificPort = SocketUtils.findAvailableTcpPort(41000);
factory.setPort(specificPort);
this.webServer = factory.getWebServer(new EchoHandler());
this.webServer.start();
Mono<String> result = WebClient.create("http://localhost:" + specificPort).post()
.uri("/test").contentType(MediaType.TEXT_PLAIN)
.body(BodyInserters.fromObject("Hello World")).exchange()
.flatMap(response -> response.bodyToMono(String.class));
assertThat(result.block()).isEqualTo("Hello World");
assertThat(this.webServer.getPort()).isEqualTo(specificPort);
}
protected WebClient getWebClient() {
return WebClient.create("http://localhost:" + this.webServer.getPort());
}
protected static class EchoHandler implements HttpHandler {
@Override
public Mono<Void> handle(ServerHttpRequest request, ServerHttpResponse response) {
response.setStatusCode(HttpStatus.OK);
return response.writeWith(request.getBody());
}
}
}