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  
32  /**
33   * Test resource caching related issues.
34   *
35   * @author <a href="mailto:wglass@apache.org">Will Glass-Husain</a>
36   * @version $Id: ResourceCachingTestCase.java 463298 2006-10-12 16:10:32Z henning $
37   */
38  public class ResourceCachingTestCase extends BaseTestCase
39  {
40      /**
41       * Path for templates. This property will override the
42       * value in the default velocity properties file.
43       */
44      private final static String FILE_RESOURCE_LOADER_PATH = "test/resourcecaching";
45  
46  
47      /**
48       * Default constructor.
49       */
50      public ResourceCachingTestCase(String name)
51      {
52          super(name);
53      }
54  
55      public void setUp()
56              throws Exception
57      {
58  
59      }
60  
61      public static Test suite ()
62      {
63          return new TestSuite(ResourceCachingTestCase.class);
64      }
65  
66      /**
67       * Tests for fix of bug VELOCITY-98 where a #include followed by #parse
68       * of the same file throws ClassCastException when caching is on.
69       * @throws Exception
70       */
71      public void testIncludeParseCaching ()
72              throws Exception
73      {
74  
75          VelocityEngine ve = new VelocityEngine();
76  
77          ve.setProperty("file.resource.loader.cache", "true");
78          ve.setProperty("file.resource.loader.path", FILE_RESOURCE_LOADER_PATH);
79          ve.init();
80  
81          Template template = ve.getTemplate("testincludeparse.vm");
82  
83          Writer writer = new StringWriter();
84  
85          VelocityContext context = new VelocityContext();
86  
87          // will produce a ClassCastException if Velocity-98 is not solved
88          template.merge(context, writer);
89          writer.flush();
90          writer.close();
91      }
92  
93  
94  }