/*
* Copyright 2014-2016 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.integration.websocket.inbound;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.Map;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.config.EnableIntegration;
import org.springframework.integration.core.MessageProducer;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.integration.websocket.ClientWebSocketContainer;
import org.springframework.integration.websocket.IntegrationWebSocketContainer;
import org.springframework.integration.websocket.TestServerConfig;
import org.springframework.integration.websocket.TomcatWebSocketTestServer;
import org.springframework.integration.websocket.support.SubProtocolHandlerRegistry;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.simp.stomp.StompCommand;
import org.springframework.messaging.simp.stomp.StompHeaderAccessor;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.client.WebSocketClient;
import org.springframework.web.socket.client.standard.StandardWebSocketClient;
import org.springframework.web.socket.messaging.StompSubProtocolHandler;
import org.springframework.web.socket.messaging.SubProtocolHandler;
import org.springframework.web.socket.messaging.SubProtocolWebSocketHandler;
import org.springframework.web.socket.sockjs.client.SockJsClient;
import org.springframework.web.socket.sockjs.client.Transport;
import org.springframework.web.socket.sockjs.client.WebSocketTransport;
/**
* @author Artem Bilan
* @since 4.1
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class WebSocketInboundChannelAdapterTests {
@Value("#{server.serverContext.getBean('subProtocolWebSocketHandler')}")
private SubProtocolWebSocketHandler subProtocolWebSocketHandler;
@Value("#{server.serverContext.getBean('clientOutboundChannel')}")
private DirectChannel clientOutboundChannel;
@Autowired
IntegrationWebSocketContainer clientWebSocketContainer;
@Autowired
@Qualifier("webSocketChannel")
private QueueChannel webSocketChannel;
@Test
@SuppressWarnings("unchecked")
public void testWebSocketInboundChannelAdapter() throws Exception {
WebSocketSession session = clientWebSocketContainer.getSession(null);
assertNotNull(session);
assertTrue(session.isOpen());
assertEquals("v10.stomp", session.getAcceptedProtocol());
Map<String, WebSocketSession> sessions =
TestUtils.getPropertyValue(this.subProtocolWebSocketHandler, "sessions", Map.class);
assertEquals(1, sessions.size());
String sessionId = sessions.keySet().iterator().next();
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.MESSAGE);
headers.setLeaveMutable(true);
headers.setSessionId(sessionId);
Message<byte[]> message = MessageBuilder.createMessage(ByteBuffer.allocate(0).array(), headers.getMessageHeaders());
this.clientOutboundChannel.send(message);
Message<?> received = this.webSocketChannel.receive(10000);
assertNotNull(received);
StompHeaderAccessor receivedHeaders = StompHeaderAccessor.wrap(received);
assertEquals(StompCommand.MESSAGE, receivedHeaders.getCommand());
Object receivedPayload = received.getPayload();
assertThat(receivedPayload, instanceOf(String.class));
assertEquals("", receivedPayload);
}
@Configuration
@EnableIntegration
public static class ContextConfiguration {
@Bean
public TomcatWebSocketTestServer server() {
return new TomcatWebSocketTestServer(TestServerConfig.class);
}
@Bean
public WebSocketClient webSocketClient() {
return new SockJsClient(Collections.<Transport>singletonList(new WebSocketTransport(new StandardWebSocketClient())));
}
@Bean
public IntegrationWebSocketContainer clientWebSocketContainer() {
return new ClientWebSocketContainer(webSocketClient(), server().getWsBaseUrl() + "/ws");
}
@Bean
public SubProtocolHandler stompSubProtocolHandler() {
return new StompSubProtocolHandler();
}
@Bean
public MessageChannel webSocketChannel() {
return new QueueChannel();
}
@Bean
public MessageProducer webSocketInboundChannelAdapter() {
WebSocketInboundChannelAdapter webSocketInboundChannelAdapter =
new WebSocketInboundChannelAdapter(clientWebSocketContainer(),
new SubProtocolHandlerRegistry(stompSubProtocolHandler()));
webSocketInboundChannelAdapter.setOutputChannel(webSocketChannel());
return webSocketInboundChannelAdapter;
}
}
}