1   package org.apache.velocity.test;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.StringWriter;
23  import java.io.Writer;
24  
25  import junit.framework.Test;
26  import junit.framework.TestSuite;
27  
28  import org.apache.velocity.Template;
29  import org.apache.velocity.VelocityContext;
30  import org.apache.velocity.app.VelocityEngine;
31  import org.apache.velocity.test.TemplateTestBase;
32  
33  /**
34   * Test resource caching related issues.
35   *
36   * @author <a href="mailto:wglass@apache.org">Will Glass-Husain</a>
37   * @version $Id: ResourceCachingTestCase.java 957852 2010-06-25 08:53:22Z apetrelli $
38   */
39  public class ResourceCachingTestCase extends BaseTestCase
40  {
41      /**
42       * Path for templates. This property will override the
43       * value in the default velocity properties file.
44       */
45      private final static String FILE_RESOURCE_LOADER_PATH = "/resourcecaching";
46  
47  
48      /**
49       * Default constructor.
50       */
51      public ResourceCachingTestCase(String name)
52      {
53          super(name);
54      }
55  
56      public void setUp()
57              throws Exception
58      {
59  
60      }
61  
62      public static Test suite ()
63      {
64          return new TestSuite(ResourceCachingTestCase.class);
65      }
66  
67      /**
68       * Tests for fix of bug VELOCITY-98 where a #include followed by #parse
69       * of the same file throws ClassCastException when caching is on.
70       * @throws Exception
71       */
72      public void testIncludeParseCaching ()
73              throws Exception
74      {
75  
76          VelocityEngine ve = new VelocityEngine();
77  
78          ve.setProperty("file.resource.loader.cache", "true");
79          ve.setProperty("file.resource.loader.path", TemplateTestBase.TEST_COMPARE_DIR + FILE_RESOURCE_LOADER_PATH);
80          ve.init();
81  
82          Template template = ve.getTemplate("testincludeparse.vm");
83  
84          Writer writer = new StringWriter();
85  
86          VelocityContext context = new VelocityContext();
87  
88          // will produce a ClassCastException if Velocity-98 is not solved
89          template.merge(context, writer);
90          writer.flush();
91          writer.close();
92      }
93  
94  
95  }