/*
* JBoss, Home of Professional Open Source.
* Copyright 2007, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.classloader.delegate.test;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import junit.framework.Test;
import org.jboss.classloader.spi.ClassLoaderDomain;
import org.jboss.classloader.spi.ClassLoaderSystem;
import org.jboss.classloader.spi.DelegateLoader;
import org.jboss.classloader.spi.ParentPolicy;
import org.jboss.classloader.spi.filter.FilteredDelegateLoader;
import org.jboss.classloader.test.support.MockClassLoaderPolicy;
import org.jboss.test.classloader.AbstractClassLoaderTestWithSecurity;
import org.jboss.test.classloader.delegate.support.a.TestA1;
import org.jboss.test.classloader.delegate.support.a.TestADelegateClassLoaderDomain;
import org.jboss.test.classloader.delegate.support.a.TestAbstractFactory;
import org.jboss.test.classloader.delegate.support.a.TestSleep;
import org.jboss.test.classloader.delegate.support.b.TestB1;
import org.jboss.test.classloader.delegate.support.b.TestFactoryImplementation;
import org.jboss.test.thread.TestThread;
/**
* DelegateUnitTestCase
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 1.1 $
*/
public class DelegateUnitTestCase extends AbstractClassLoaderTestWithSecurity
{
public static Test suite()
{
return suite(DelegateUnitTestCase.class);
}
public DelegateUnitTestCase(String name)
{
super(name);
}
public void testNoDelegateAToB() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy pb = createMockClassLoaderPolicy("B");
pb.setPaths(TestB1.class);
ClassLoader b = system.registerClassLoaderPolicy(pb);
MockClassLoaderPolicy pa = createMockClassLoaderPolicy("A");
pa.setPaths(TestA1.class);
ClassLoader a = system.registerClassLoaderPolicy(pa);
assertLoadClass(TestB1.class, b, false);
assertLoadClassFail(TestB1.class, a);
}
public void testDelegateAToB() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy pb = createMockClassLoaderPolicy("B");
pb.setPaths(TestB1.class);
ClassLoader b = system.registerClassLoaderPolicy(pb);
MockClassLoaderPolicy pa = createMockClassLoaderPolicy("A");
pa.setPaths(TestA1.class);
pa.setDelegates(Collections.singletonList(new FilteredDelegateLoader(pb)));
ClassLoader a = system.registerClassLoaderPolicy(pa);
Class<?> fromB = assertLoadClass(TestB1.class, b, false);
Class<?> fromA = assertLoadClass(TestB1.class, a, b, false);
assertClassEquality(fromB, fromA);
}
public void testAbstractFactoryObviousWay() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy pb = createMockClassLoaderPolicy("B");
pb.setPaths(TestB1.class);
MockClassLoaderPolicy pa = createMockClassLoaderPolicy("A");
pa.setPaths(TestA1.class);
List<DelegateLoader> delegates = new ArrayList<DelegateLoader>();
delegates.add(new FilteredDelegateLoader(pa));
delegates.add(new FilteredDelegateLoader(pb));
pa.setDelegates(delegates);
pb.setDelegates(delegates);
ClassLoader a = system.registerClassLoaderPolicy(pa);
ClassLoader b = system.registerClassLoaderPolicy(pb);
Class<?> testAbstractFactoryClass = assertLoadClass(TestAbstractFactory.class, a);
Method method = testAbstractFactoryClass.getMethod("getInstance", (Class[]) null);
Object instance = method.invoke(null, (Object[]) null);
Class<?> testFactoryImplementationClass = assertLoadClass(TestFactoryImplementation.class, b);
assertClassEquality(testFactoryImplementationClass, instance.getClass());
}
public void testDelegateToAnotherCodeSource() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy pb = createMockClassLoaderPolicy("B");
pb.setPaths(ClassLoaderDomain.class);
ClassLoader b = system.registerClassLoaderPolicy(pb);
MockClassLoaderPolicy pa = createMockClassLoaderPolicy("A");
pa.setPaths(TestADelegateClassLoaderDomain.class);
pa.setDelegates(Collections.singletonList(new FilteredDelegateLoader(pb)));
ClassLoader a = system.registerClassLoaderPolicy(pa);
Class<?> fromB = assertLoadClass(ClassLoaderDomain.class, b, false);
Class<?> fromA = assertLoadClass(ClassLoaderDomain.class, a, b, false);
Class<?> delegate = assertLoadClass(TestADelegateClassLoaderDomain.class, a, false);
Method method = delegate.getMethod("getSomething", (Class[]) null);
fromA = method.getReturnType();
assertNotNull(fromA);
assertClassLoader(fromA, b);
assertClassEquality(fromB, fromA);
}
public void testAbstractFactoryWrongWay() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy pb = createMockClassLoaderPolicy("B");
pb.setPaths(TestB1.class);
MockClassLoaderPolicy pa = createMockClassLoaderPolicy("A");
pa.setPaths(TestA1.class);
List<DelegateLoader> delegates = new ArrayList<DelegateLoader>();
delegates.add(new FilteredDelegateLoader(pa));
delegates.add(new FilteredDelegateLoader(pb));
pa.setDelegates(delegates);
pb.setDelegates(delegates);
ClassLoader a = system.registerClassLoaderPolicy(pa);
ClassLoader b = system.registerClassLoaderPolicy(pb);
Class<?> testAbstractFactoryClass = assertLoadClass(TestAbstractFactory.class, b, a);
Method method = testAbstractFactoryClass.getMethod("getInstance", (Class[]) null);
Object instance = method.invoke(null, (Object[]) null);
Class<?> testFactoryImplementationClass = assertLoadClass(TestFactoryImplementation.class, a, b);
assertClassEquality(testFactoryImplementationClass, instance.getClass());
}
public void testLoadClassFromDefaultPackage() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy policy = createMockClassLoaderPolicy();
policy.setPath("");
policy.setPackageNames(new String[] { "" });
ClassLoader classLoader = system.registerClassLoaderPolicy(policy);
assertLoadClass("TestDefaultPackage", classLoader);
}
public void testLoadClassFromDefaultPackageFromDelegate() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy policy = createMockClassLoaderPolicy();
policy.setPath("");
policy.setPackageNames(new String[] { "" });
MockClassLoaderPolicy policy2 = createMockClassLoaderPolicy();
policy2.setDelegates(Collections.singletonList(new FilteredDelegateLoader(policy)));
ClassLoader classLoader = system.registerClassLoaderPolicy(policy);
ClassLoader classLoader2 = system.registerClassLoaderPolicy(policy2);
assertLoadClass("TestDefaultPackage", classLoader2, classLoader);
}
public void testLoadClassFromDefaultPackageFromExports() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy policy = createMockClassLoaderPolicy();
policy.setPath("");
policy.setPackageNames(new String[] { "" });
MockClassLoaderPolicy policy2 = createMockClassLoaderPolicy();
policy2.setImportAll(true);
ClassLoader classLoader = system.registerClassLoaderPolicy(policy);
ClassLoader classLoader2 = system.registerClassLoaderPolicy(policy2);
assertLoadClass("TestDefaultPackage", classLoader2, classLoader);
}
public void testLoadClassFromDefaultPackageFromParent() throws Exception
{
ClassLoaderSystem system = createClassLoaderSystem();
ClassLoaderDomain parent = system.createAndRegisterDomain("parent", ParentPolicy.BEFORE_BUT_JAVA_ONLY);
MockClassLoaderPolicy policy = createMockClassLoaderPolicy();
policy.setPath("");
policy.setPackageNames(new String[] { "" });
ClassLoaderDomain child = system.createAndRegisterDomain("child", ParentPolicy.BEFORE, parent);
MockClassLoaderPolicy policy2 = createMockClassLoaderPolicy();
ClassLoader classLoader = system.registerClassLoaderPolicy(parent, policy);
ClassLoader classLoader2 = system.registerClassLoaderPolicy(child, policy2);
assertLoadClass("TestDefaultPackage", classLoader2, classLoader);
}
public void testAbstractFactoryConcurrent() throws Exception
{
for (int i = 0; i < 10; ++i)
{
getLog().debug("Attempt: " + i);
ClassLoaderSystem system = createClassLoaderSystemWithModifiedBootstrap();
MockClassLoaderPolicy pb = createMockClassLoaderPolicy("B");
pb.setPaths(TestB1.class);
MockClassLoaderPolicy pa = createMockClassLoaderPolicy("A");
pa.setPaths(TestA1.class);
List<DelegateLoader> delegates = new ArrayList<DelegateLoader>();
delegates.add(new FilteredDelegateLoader(pa));
delegates.add(new FilteredDelegateLoader(pb));
pa.setDelegates(delegates);
pb.setDelegates(delegates);
final ClassLoader a = system.registerClassLoaderPolicy(pa);
final ClassLoader b = system.registerClassLoaderPolicy(pb);
Class<?> testSleep = assertLoadClass(TestSleep.class, a);
Field field = testSleep.getField("sleep");
field.set(null, new Long(1));
final CountDownLatch startALatch = new CountDownLatch(1);
final CountDownLatch startBLatch = new CountDownLatch(1);
TestThread threadA = new TestThread("A")
{
public void run()
{
try
{
startBLatch.await();
}
catch (InterruptedException ignored)
{
}
startALatch.countDown();
Class<?> testAbstractFactoryClass = assertLoadClass(TestAbstractFactory.class, a);
try
{
Method method = testAbstractFactoryClass.getMethod("getInstance", (Class[]) null);
method.invoke(null, (Object[]) null);
}
catch (Exception e)
{
throw new Error("Error", e);
}
}
};
TestThread threadB = new TestThread("B")
{
public void run()
{
startBLatch.countDown();
try
{
startALatch.await();
}
catch (InterruptedException ignored)
{
}
assertLoadClass(TestFactoryImplementation.class, b);
}
};
threadA.start();
threadB.start();
threadA.doJoin();
threadB.doJoin();
}
}
}