/*
* 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.autoconfigure.websocket.servlet;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.tomcat.websocket.WsWebSocketContainer;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
import org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration;
import org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.test.util.EnvironmentTestUtils;
import org.springframework.boot.web.context.ServerPortInfoApplicationContextInitializer;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.converter.CompositeMessageConverter;
import org.springframework.messaging.converter.MessageConverter;
import org.springframework.messaging.converter.SimpleMessageConverter;
import org.springframework.messaging.simp.annotation.SubscribeMapping;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.messaging.simp.stomp.StompCommand;
import org.springframework.messaging.simp.stomp.StompFrameHandler;
import org.springframework.messaging.simp.stomp.StompHeaders;
import org.springframework.messaging.simp.stomp.StompSession;
import org.springframework.messaging.simp.stomp.StompSessionHandler;
import org.springframework.messaging.simp.stomp.StompSessionHandlerAdapter;
import org.springframework.stereotype.Controller;
import org.springframework.test.util.ReflectionTestUtils;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.socket.client.standard.StandardWebSocketClient;
import org.springframework.web.socket.config.annotation.AbstractWebSocketMessageBrokerConfigurer;
import org.springframework.web.socket.config.annotation.DelegatingWebSocketMessageBrokerConfiguration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import org.springframework.web.socket.messaging.WebSocketStompClient;
import org.springframework.web.socket.sockjs.client.RestTemplateXhrTransport;
import org.springframework.web.socket.sockjs.client.SockJsClient;
import org.springframework.web.socket.sockjs.client.Transport;
import org.springframework.web.socket.sockjs.client.WebSocketTransport;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.fail;
/**
* Tests for {@link WebSocketMessagingAutoConfiguration}.
*
* @author Andy Wilkinson
*/
public class WebSocketMessagingAutoConfigurationTests {
private AnnotationConfigServletWebServerApplicationContext context = new AnnotationConfigServletWebServerApplicationContext();
private SockJsClient sockJsClient;
@Before
public void setup() {
List<Transport> transports = Arrays.asList(
new WebSocketTransport(
new StandardWebSocketClient(new WsWebSocketContainer())),
new RestTemplateXhrTransport(new RestTemplate()));
this.sockJsClient = new SockJsClient(transports);
}
@After
public void tearDown() {
this.context.close();
this.sockJsClient.stop();
}
@Test
public void basicMessagingWithJsonResponse() throws Throwable {
Object result = performStompSubscription("/app/json");
assertThat(new String((byte[]) result))
.isEqualTo(String.format("{%n \"foo\" : 5,%n \"bar\" : \"baz\"%n}"));
}
@Test
public void basicMessagingWithStringResponse() throws Throwable {
Object result = performStompSubscription("/app/string");
assertThat(new String((byte[]) result)).isEqualTo("string data");
}
@Test
public void customizedConverterTypesMatchDefaultConverterTypes() {
List<MessageConverter> customizedConverters = getCustomizedConverters();
List<MessageConverter> defaultConverters = getDefaultConverters();
assertThat(customizedConverters.size()).isEqualTo(defaultConverters.size());
Iterator<MessageConverter> customizedIterator = customizedConverters.iterator();
Iterator<MessageConverter> defaultIterator = defaultConverters.iterator();
while (customizedIterator.hasNext()) {
assertThat(customizedIterator.next())
.isInstanceOf(defaultIterator.next().getClass());
}
}
private List<MessageConverter> getCustomizedConverters() {
List<MessageConverter> customizedConverters = new ArrayList<>();
WebSocketMessagingAutoConfiguration.WebSocketMessageConverterConfiguration configuration = new WebSocketMessagingAutoConfiguration.WebSocketMessageConverterConfiguration(
new ObjectMapper());
configuration.configureMessageConverters(customizedConverters);
return customizedConverters;
}
@SuppressWarnings("unchecked")
private List<MessageConverter> getDefaultConverters() {
CompositeMessageConverter compositeDefaultConverter = new DelegatingWebSocketMessageBrokerConfiguration()
.brokerMessageConverter();
return (List<MessageConverter>) ReflectionTestUtils
.getField(compositeDefaultConverter, "converters");
}
private Object performStompSubscription(final String topic) throws Throwable {
EnvironmentTestUtils.addEnvironment(this.context, "server.port:0",
"spring.jackson.serialization.indent-output:true");
this.context.register(WebSocketMessagingConfiguration.class);
new ServerPortInfoApplicationContextInitializer().initialize(this.context);
this.context.refresh();
WebSocketStompClient stompClient = new WebSocketStompClient(this.sockJsClient);
final AtomicReference<Throwable> failure = new AtomicReference<>();
final AtomicReference<Object> result = new AtomicReference<>();
final CountDownLatch latch = new CountDownLatch(1);
StompSessionHandler handler = new StompSessionHandlerAdapter() {
@Override
public void afterConnected(StompSession session,
StompHeaders connectedHeaders) {
session.subscribe(topic, new StompFrameHandler() {
@Override
public void handleFrame(StompHeaders headers, Object payload) {
result.set(payload);
latch.countDown();
}
@Override
public Type getPayloadType(StompHeaders headers) {
return Object.class;
}
});
}
@Override
public void handleFrame(StompHeaders headers, Object payload) {
latch.countDown();
}
@Override
public void handleException(StompSession session, StompCommand command,
StompHeaders headers, byte[] payload, Throwable exception) {
failure.set(exception);
latch.countDown();
}
@Override
public void handleTransportError(StompSession session, Throwable exception) {
failure.set(exception);
latch.countDown();
}
};
stompClient.setMessageConverter(new SimpleMessageConverter());
stompClient.connect("ws://localhost:{port}/messaging", handler,
this.context.getEnvironment().getProperty("local.server.port"));
if (!latch.await(30000, TimeUnit.SECONDS)) {
if (failure.get() != null) {
throw failure.get();
}
fail("Response was not received within 30 seconds");
}
return result.get();
}
@Configuration
@EnableWebSocket
@EnableConfigurationProperties
@EnableWebSocketMessageBroker
@ImportAutoConfiguration({JacksonAutoConfiguration.class,
ServletWebServerFactoryAutoConfiguration.class,
WebSocketMessagingAutoConfiguration.class,
DispatcherServletAutoConfiguration.class})
static class WebSocketMessagingConfiguration
extends AbstractWebSocketMessageBrokerConfigurer {
@Override
public void registerStompEndpoints(StompEndpointRegistry registry) {
registry.addEndpoint("/messaging").withSockJS();
}
@Override
public void configureMessageBroker(MessageBrokerRegistry registry) {
registry.setApplicationDestinationPrefixes("/app");
}
@Bean
public MessagingController messagingController() {
return new MessagingController();
}
@Bean
public TomcatServletWebServerFactory tomcat() {
return new TomcatServletWebServerFactory(0);
}
@Bean
public TomcatWebSocketServletWebServerCustomizer tomcatCustomizer() {
return new TomcatWebSocketServletWebServerCustomizer();
}
}
@Controller
static class MessagingController {
@SubscribeMapping("/json")
Data json() {
return new Data(5, "baz");
}
@SubscribeMapping("/string")
String string() {
return "string data";
}
}
static class Data {
private int foo;
private String bar;
Data(int foo, String bar) {
this.foo = foo;
this.bar = bar;
}
public int getFoo() {
return this.foo;
}
public String getBar() {
return this.bar;
}
}
}