/*
* 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.transformers.xml.xstream;
import org.mule.api.transformer.TransformerException;
import org.mule.module.xml.transformer.XStreamFactory;
import org.mule.module.xml.transformer.XmlToObject;
import org.mule.tck.junit4.AbstractMuleTestCase;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.DomDriver;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Tests configuration and creation of XStream-based transformers
*/
public class XStreamTransformerConfigurationTestCase extends AbstractMuleTestCase
{
public static volatile boolean MyDriverDidInitialize;
protected static class MyDOMDriver extends DomDriver
{
public MyDOMDriver()
{
super();
XStreamTransformerConfigurationTestCase.MyDriverDidInitialize = true;
}
}
@Before
public void doSetUp()
{
MyDriverDidInitialize = true;
}
@After
public void doTearDown()
{
MyDriverDidInitialize = false;
}
@Test
public void testDefaultDriver() throws Exception
{
XmlToObject transformer = new XmlToObject();
// check for XStream's default
assertEquals(XStreamFactory.XSTREAM_XPP_DRIVER, transformer.getDriverClass());
}
@Test
public void testCustomDriver() throws Exception
{
XmlToObject transformer = new XmlToObject();
// set custom driver
transformer.setDriverClass(MyDOMDriver.class.getName());
XStream xs = transformer.getXStream();
assertNotNull(xs);
assertSame(xs, transformer.getXStream());
assertTrue(MyDriverDidInitialize);
}
@Test
public void testBadDriver() throws Exception
{
XmlToObject transformer = new XmlToObject();
// set nonexisting driver class
transformer.setDriverClass("DudeWhereIsMyDriver");
try
{
assertNotNull(transformer.getXStream());
fail();
}
catch (TransformerException tex)
{
// OK
assertTrue(tex.getCause() instanceof ClassNotFoundException);
}
}
@Test
public void testClassLoader()
{
ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
try
{
TestClassLoader classLoader = new TestClassLoader();
Thread.currentThread().setContextClassLoader(classLoader);
XmlToObject transformer = new XmlToObject();
transformer.initialise();
assertEquals(classLoader, transformer.getXStream().getClassLoader());
}
catch (Exception e)
{
fail(e.getMessage());
}
finally
{
Thread.currentThread().setContextClassLoader(originalClassLoader);
}
}
private static class TestClassLoader extends ClassLoader
{
}
}