/*
* Copyright 2002-2016 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.transformer;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.endpoint.AbstractEndpoint;
import org.springframework.integration.handler.AbstractReplyProducingMessageHandler;
import org.springframework.integration.handler.advice.AbstractRequestHandlerAdvice;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* Also in JMX - changes here should be reflected there.
*
* @author Mark Fisher
* @author Gary Russell
* @author Artem Bilan
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class TransformerContextTests {
private static volatile int adviceCalled;
@Autowired
private MessageChannel input;
@Autowired
private MessageChannel direct;
@Autowired
private MessageChannel directRef;
@Autowired
private PollableChannel output;
@Autowired
private AbstractEndpoint pojoTransformer;
@Autowired
private TestBean testBean;
@Test
public void methodInvokingTransformer() {
this.input.send(new GenericMessage<String>("foo"));
Message<?> reply = this.output.receive(0);
assertEquals("FOO", reply.getPayload());
assertEquals(1, adviceCalled);
this.direct.send(new GenericMessage<String>("foo"));
reply = this.output.receive(0);
assertEquals("FOO", reply.getPayload());
StackTraceElement[] st = (StackTraceElement[]) reply.getHeaders().get("callStack");
assertEquals("doSend", st[6].getMethodName()); // no MethodInvokerHelper
this.directRef.send(new GenericMessage<String>("foo"));
reply = this.output.receive(0);
assertEquals("FOO", reply.getPayload());
st = (StackTraceElement[]) reply.getHeaders().get("callStack");
assertEquals("doSend", st[6].getMethodName()); // no MethodInvokerHelper
assertTrue(this.testBean.isRunning());
this.pojoTransformer.stop();
assertFalse(this.testBean.isRunning());
this.pojoTransformer.start();
assertTrue(this.testBean.isRunning());
}
public static class FooAdvice extends AbstractRequestHandlerAdvice {
@Override
protected Object doInvoke(ExecutionCallback callback, Object target, Message<?> message) throws Exception {
adviceCalled++;
return callback.execute();
}
}
public static class Bar extends AbstractReplyProducingMessageHandler {
@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
Exception e = new RuntimeException();
StackTraceElement[] st = e.getStackTrace();
return MessageBuilder.withPayload(requestMessage.getPayload().toString().toUpperCase())
.setHeader("callStack", st);
}
}
}