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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package org.apache.webbeans.newtests.decorators.tests;
import java.util.ArrayList;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.util.AnnotationLiteral;
import junit.framework.Assert;
import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.newtests.AbstractUnitTest;
import org.apache.webbeans.newtests.decorators.multiple.Decorator1;
import org.apache.webbeans.newtests.decorators.multiple.Decorator2;
import org.apache.webbeans.newtests.decorators.multiple.IOutputProvider;
import org.apache.webbeans.newtests.decorators.multiple.MyIntercept;
import org.apache.webbeans.newtests.decorators.multiple.OutputInterceptor;
import org.apache.webbeans.newtests.decorators.multiple.OutputProvider;
import org.apache.webbeans.newtests.decorators.multiple.OutsideBean;
import org.apache.webbeans.newtests.decorators.multiple.RequestStringBuilder;
import org.junit.Test;
public class DecoratorAndInterceptorStackTests extends AbstractUnitTest
{
public static final String PACKAGE_NAME = DecoratorAndInterceptorStackTests.class.getPackage().getName();
private static final int NUM_THREADS = 20;
private static final Logger log = Logger.getLogger(DecoratorAndInterceptorStackTests.class.getName());
@Test
public void testDecoratorStack()
{
Collection<Class<?>> classes = new ArrayList<Class<?>>();
classes.add(Decorator1.class);
classes.add(Decorator2.class);
classes.add(IOutputProvider.class);
classes.add(OutputProvider.class);
classes.add(RequestStringBuilder.class);
classes.add(MyIntercept.class);
classes.add(OutputInterceptor.class);
Collection<String> xmls = new ArrayList<String>();
xmls.add(getXmlPath(PACKAGE_NAME, "DecoratorAndInterceptorStack"));
startContainer(classes, xmls);
Bean<?> bean = getBeanManager().getBeans(OutputProvider.class, new AnnotationLiteral<Default>()
{
}).iterator().next();
Object instance = getBeanManager().getReference(bean, OutputProvider.class, getBeanManager().createCreationalContext(bean));
OutputProvider outputProvider = (OutputProvider) instance;
Assert.assertTrue(outputProvider != null);
String result = outputProvider.getOutput();
System.out.println(result);
// Verify that the Interceptors and Decorators were called in order, and in a stack.
Assert.assertTrue(result.equalsIgnoreCase("OutputInterceptor\nDecorator1\nDecorator2\nOutputProvider\n"));
}
@Test
public void testParallelInterceptorInvocation() throws Exception
{
Collection<Class<?>> classes = new ArrayList<Class<?>>();
classes.add(Decorator1.class);
classes.add(IOutputProvider.class);
classes.add(OutputProvider.class);
classes.add(RequestStringBuilder.class);
classes.add(MyIntercept.class);
classes.add(OutsideBean.class);
classes.add(OutputInterceptor.class);
Collection<String> xmls = new ArrayList<String>();
xmls.add(getXmlPath(PACKAGE_NAME, "DecoratorAndInterceptorStack"));
startContainer(classes, xmls);
OutsideBean outsideBean = getInstance(OutsideBean.class);
Assert.assertNotNull(outsideBean);
InterceptorTestRunner[] threads = new InterceptorTestRunner[NUM_THREADS];
for (int i= 0 ; i < NUM_THREADS; i++)
{
threads[i] = new InterceptorTestRunner(outsideBean);
threads[i].setName("testthread_" + i);
threads[i].start();
}
for (int i= 0 ; i < NUM_THREADS; i++)
{
threads[i].join();
Assert.assertFalse(threads[i].isFailed());
}
}
public static class InterceptorTestRunner extends Thread
{
private OutsideBean outsideBean;
private boolean failed = false;
public InterceptorTestRunner(OutsideBean outsideBean)
{
this.outsideBean = outsideBean;
}
@Override
public void run()
{
try
{
// this starts the RequestContext for this very thread
WebBeansContext.currentInstance().getContextFactory().initRequestContext(null);
for (int i=0; i < 10; i++)
{
outsideBean.doThaStuff();
}
}
catch (Exception e)
{
log.log(Level.SEVERE, "Error while executing Decorators in parallel!", e);
failed = true;
}
}
public boolean isFailed()
{
return failed;
}
}
}