/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.test.integration.exceptions;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.mule.api.MessagingException;
import org.mule.api.MuleEvent;
import org.mule.api.MuleException;
import org.mule.api.client.MuleClient;
import org.mule.api.construct.FlowConstruct;
import org.mule.exception.AbstractMessagingExceptionStrategy;
import org.mule.tck.junit4.FunctionalTestCase;
import org.junit.Test;
/**
* Assert that flows do not propagate exceptions via vm request-response endpoints or use of flow-ref. Also
* assert that a sub-flow/processor-chain does not handle it's own exception but they are rather handled by
* calling flow.
*/
public class ExceptionPropagationMule5737TestCase extends FunctionalTestCase
{
@Override
protected String getConfigFile()
{
return "org/mule/test/integration/exceptions/exception-propagation-mule-5737-config.xml";
}
@Test
public void testVMRequestResponseEndpointExceptionPropagation() throws MuleException
{
MuleClient client = muleContext.getClient();
client.send("vm://flow-in", "", null);
}
@Test
public void testFlowWithChildFlowExceptionPropagation() throws MuleException
{
MuleClient client = muleContext.getClient();
FlowConstruct flow = muleContext.getRegistry().lookupFlowConstruct("flowWithChildFlow");
FlowConstruct childFlow = muleContext.getRegistry().lookupFlowConstruct("childFlow");
SensingExceptionStrategy parentES = (SensingExceptionStrategy) flow.getExceptionListener();
SensingExceptionStrategy childFlowES = (SensingExceptionStrategy) childFlow.getExceptionListener();
client.send("vm://flowWithChildFlow-in", "", null);
assertFalse(parentES.caught);
assertTrue(childFlowES.caught);
}
@Test
public void testFlowWithSubFlowExceptionPropagation() throws MuleException
{
MuleClient client = muleContext.getClient();
SensingExceptionStrategy parentES = (SensingExceptionStrategy) muleContext.getRegistry()
.lookupFlowConstruct("flowWithSubFlow")
.getExceptionListener();
client.send("vm://flowWithSubFlow-in", "", null);
assertTrue(parentES.caught);
}
@Test
public void testFlowWithChildServiceExceptionPropagation() throws MuleException
{
MuleClient client = muleContext.getClient();
SensingExceptionStrategy parentES = (SensingExceptionStrategy) muleContext.getRegistry()
.lookupFlowConstruct("flowWithChildService")
.getExceptionListener();
SensingExceptionStrategy childServiceES = (SensingExceptionStrategy) muleContext.getRegistry()
.lookupFlowConstruct("childService")
.getExceptionListener();
client.send("vm://flowWithChildService-in", "", null);
assertFalse(parentES.caught);
assertTrue(childServiceES.caught);
}
public static class SensingExceptionStrategy extends AbstractMessagingExceptionStrategy
{
public SensingExceptionStrategy()
{
super(null);
}
boolean caught;
@Override
public MuleEvent handleException(Exception e, MuleEvent event)
{
caught = true;
MuleEvent resultEvent = super.handleException(e, event);
resultEvent.getMessage().setExceptionPayload(null);
((MessagingException)e).setHandled(true);
return resultEvent;
}
}
}