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1   /*
2    * $Id: XStreamTransformerConfigurationTestCase.java 19191 2010-08-25 21:05:23Z tcarlson $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.transformers.xml.xstream;
12  
13  import org.mule.api.transformer.TransformerException;
14  import org.mule.module.xml.transformer.XStreamFactory;
15  import org.mule.module.xml.transformer.XmlToObject;
16  import org.mule.tck.AbstractMuleTestCase;
17  
18  import com.thoughtworks.xstream.XStream;
19  import com.thoughtworks.xstream.io.xml.DomDriver;
20  
21  /**
22   * Tests configuration and creation of XStream-based transformers
23   */
24  public class XStreamTransformerConfigurationTestCase extends AbstractMuleTestCase
25  {
26      public static volatile boolean MyDriverDidInitialize;
27  
28      protected static class MyDOMDriver extends DomDriver
29      {
30          public MyDOMDriver()
31          {
32              super();
33              XStreamTransformerConfigurationTestCase.MyDriverDidInitialize = true;
34          }
35      }
36  
37      @Override
38      protected void doSetUp() throws Exception
39      {
40          super.doSetUp();
41          MyDriverDidInitialize = true;
42      }
43  
44      @Override
45      protected void doTearDown() throws Exception
46      {
47          MyDriverDidInitialize = false;
48          super.doTearDown();
49      }
50  
51      public void testDefaultDriver() throws Exception
52      {
53          XmlToObject transformer = new XmlToObject();
54          // check for XStream's default
55          assertEquals(XStreamFactory.XSTREAM_XPP_DRIVER, transformer.getDriverClass());
56      }
57  
58      public void testCustomDriver() throws Exception
59      {
60          XmlToObject transformer = new XmlToObject();
61          // set custom driver
62          transformer.setDriverClass(MyDOMDriver.class.getName());
63          XStream xs = transformer.getXStream();
64  
65          assertNotNull(xs);
66          assertSame(xs, transformer.getXStream());
67          assertTrue(MyDriverDidInitialize);
68      }
69  
70      public void testBadDriver() throws Exception
71      {
72          XmlToObject transformer = new XmlToObject();
73          // set nonexisting driver class
74          transformer.setDriverClass("DudeWhereIsMyDriver");
75  
76          try
77          {
78              assertNotNull(transformer.getXStream());
79              fail();
80          }
81          catch (TransformerException tex)
82          {
83              // OK
84              assertTrue(tex.getCause() instanceof ClassNotFoundException);
85          }
86      }
87  
88      public void testClassLoader()
89      {
90  
91          ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
92  
93          try
94          {
95              TestClassLoader classLoader =  new TestClassLoader();   
96              Thread.currentThread().setContextClassLoader(classLoader);
97              XmlToObject transformer = new XmlToObject();
98              transformer.initialise();
99              assertEquals(classLoader, transformer.getXStream().getClassLoader());
100         }
101         catch (Exception e)
102         {
103             fail(e.getMessage());
104         }
105         finally
106         {
107             Thread.currentThread().setContextClassLoader(originalClassLoader);
108         }
109     }
110 
111     private static class TestClassLoader extends ClassLoader
112     {
113     }
114 
115 }