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ModifyExceptionStackTest.java
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ModifyExceptionStackTest.java
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/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.
*/
/**
*
* @author <a href="http://community.jboss.org/people/LightGuard">Jason Porter</a>
*/
package org.jboss.seam.exception.control.test.stack;
import java.util.ArrayList;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import org.jboss.arquillian.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.seam.exception.control.CaughtException;
import org.jboss.seam.exception.control.ExceptionStack;
import org.jboss.seam.exception.control.ExceptionToCatch;
import org.jboss.seam.exception.control.Handles;
import org.jboss.seam.exception.control.HandlesExceptions;
import org.jboss.seam.exception.control.extension.CatchExtension;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ArchivePaths;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.ByteArrayAsset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertThat;
import static org.junit.matchers.JUnitMatchers.hasItem;
@RunWith(Arquillian.class)
@HandlesExceptions
public class ModifyExceptionStackTest
{
private Exception startException;
@Deployment
public static Archive<?> createTestArchive()
{
return ShrinkWrap.create(JavaArchive.class)
.addPackage(CaughtException.class.getPackage())
.addClasses(ModifyExceptionStackTest.class, CatchExtension.class)
.addManifestResource("META-INF/services/javax.enterprise.inject.spi.Extension")
.addManifestResource(new ByteArrayAsset(new byte[0]), ArchivePaths.create("beans.xml"));
}
@SuppressWarnings("serial")
public static class ApplicationException extends Exception
{
}
@Test
public void assertModifyingStack(Event<ExceptionToCatch> event)
{
this.startException = new Exception(new NullPointerException());
event.fire(new ExceptionToCatch(this.startException));
}
public void changeStackObserver(@Observes ExceptionStack stack)
{
ArrayList<Throwable> causes = new ArrayList<Throwable>(stack.getCauseElements());
causes.set(0, new ApplicationException());
stack.setCauseElements(causes);
}
public void assertionHandler(@Handles CaughtException<Throwable> e)
{
assertThat(e.getExceptionStack().getCauseElements(), not(hasItem((Throwable) this.startException)));
}
}