/*
* Copyright 2002-2015 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.web.socket.messaging;
import java.util.concurrent.ConcurrentHashMap;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.springframework.context.support.StaticApplicationContext;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.SubscribableChannel;
import org.springframework.messaging.handler.annotation.MessageExceptionHandler;
import org.springframework.messaging.handler.annotation.MessageMapping;
import org.springframework.messaging.simp.SimpMessageHeaderAccessor;
import org.springframework.messaging.simp.SimpMessageSendingOperations;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import static org.junit.Assert.*;
/**
* Unit tests for {@link WebSocketAnnotationMethodMessageHandler}.
* @author Rossen Stoyanchev
*/
public class WebSocketAnnotationMethodMessageHandlerTests {
private TestWebSocketAnnotationMethodMessageHandler messageHandler;
private StaticApplicationContext applicationContext;
@Before
public void setUp() throws Exception {
this.applicationContext = new StaticApplicationContext();
this.applicationContext.registerSingleton("controller", TestController.class);
this.applicationContext.registerSingleton("controllerAdvice", TestControllerAdvice.class);
this.applicationContext.refresh();
SubscribableChannel channel = Mockito.mock(SubscribableChannel.class);
SimpMessageSendingOperations brokerTemplate = new SimpMessagingTemplate(channel);
this.messageHandler = new TestWebSocketAnnotationMethodMessageHandler(brokerTemplate, channel, channel);
this.messageHandler.setApplicationContext(this.applicationContext);
this.messageHandler.afterPropertiesSet();
}
@Test
public void globalException() throws Exception {
SimpMessageHeaderAccessor headers = SimpMessageHeaderAccessor.create();
headers.setSessionId("session1");
headers.setSessionAttributes(new ConcurrentHashMap<>());
headers.setDestination("/exception");
Message<?> message = MessageBuilder.withPayload(new byte[0]).setHeaders(headers).build();
this.messageHandler.handleMessage(message);
TestControllerAdvice controllerAdvice = this.applicationContext.getBean(TestControllerAdvice.class);
assertTrue(controllerAdvice.isExceptionHandled());
}
@Controller
private static class TestController {
@MessageMapping("/exception")
public void handleWithSimulatedException() {
throw new IllegalStateException("simulated exception");
}
}
@ControllerAdvice
private static class TestControllerAdvice {
private boolean exceptionHandled;
public boolean isExceptionHandled() {
return this.exceptionHandled;
}
@MessageExceptionHandler
public void handleException(IllegalStateException ex) {
this.exceptionHandled = true;
}
}
private static class TestWebSocketAnnotationMethodMessageHandler extends WebSocketAnnotationMethodMessageHandler {
public TestWebSocketAnnotationMethodMessageHandler(SimpMessageSendingOperations brokerTemplate,
SubscribableChannel clientInboundChannel, MessageChannel clientOutboundChannel) {
super(clientInboundChannel, clientOutboundChannel, brokerTemplate);
}
}
}