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1   /*
2    * $Id: VelocityResultTest.java 471756 2006-11-06 15:01:43Z husted $
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  package org.apache.struts2.dispatcher;
22  
23  import junit.framework.TestCase;
24  
25  import org.apache.velocity.Template;
26  import org.apache.velocity.app.VelocityEngine;
27  import org.apache.velocity.exception.ParseErrorException;
28  import org.apache.velocity.exception.ResourceNotFoundException;
29  
30  import com.mockobjects.dynamic.Mock;
31  import com.opensymphony.xwork2.ActionContext;
32  import com.opensymphony.xwork2.ActionInvocation;
33  import com.opensymphony.xwork2.ActionProxy;
34  import com.opensymphony.xwork2.util.ValueStack;
35  import com.opensymphony.xwork2.util.ValueStackFactory;
36  
37  
38  /***
39   *
40   */
41  public class VelocityResultTest extends TestCase {
42  
43      ActionInvocation actionInvocation;
44      Mock mockActionProxy;
45      ValueStack stack;
46      String namespace;
47      TestVelocityEngine velocity;
48      VelocityResult result;
49  
50  
51      public void testCanResolveLocationUsingOgnl() throws Exception {
52          TestResult result = new TestResult();
53  
54          String location = "/myaction.action";
55          Bean bean = new Bean();
56          bean.setLocation(location);
57  
58          ValueStack stack = ActionContext.getContext().getValueStack();
59          stack.push(bean);
60  
61          assertEquals(location, stack.findValue("location"));
62  
63          result.setLocation("${location}");
64          result.execute(actionInvocation);
65          assertEquals(location, result.finalLocation);
66      }
67  
68      public void testCanResolveLocationUsingStaticExpression() throws Exception {
69          TestResult result = new TestResult();
70          String location = "/any.action";
71          result.setLocation("${'" + location + "'}");
72          result.execute(actionInvocation);
73          assertEquals(location, result.finalLocation);
74      }
75  
76      public void testResourcesFoundUsingAbsolutePath() throws Exception {
77          String location = "/WEB-INF/views/registration.vm";
78  
79          Template template = result.getTemplate(stack, velocity, actionInvocation, location, "UTF-8");
80          assertNotNull(template);
81          assertEquals("expect absolute locations to be handled as is", location, velocity.templateName);
82      }
83  
84      public void testResourcesFoundUsingNames() throws Exception {
85          String location = "Registration.vm";
86          String expectedTemplateName = namespace + "/" + location;
87  
88          Template template = result.getTemplate(stack, velocity, actionInvocation, location, "UTF-8");
89          assertNotNull(template);
90          assertEquals("expect the prefix to be appended to the path when the location is not absolute", expectedTemplateName, velocity.templateName);
91      }
92  
93      protected void setUp() throws Exception {
94          namespace = "/html";
95          result = new VelocityResult();
96          stack = ValueStackFactory.getFactory().createValueStack();
97          ActionContext.getContext().setValueStack(stack);
98          velocity = new TestVelocityEngine();
99          mockActionProxy = new Mock(ActionProxy.class);
100         mockActionProxy.expectAndReturn("getNamespace", "/html");
101 
102         Mock mockActionInvocation = new Mock(ActionInvocation.class);
103         mockActionInvocation.expectAndReturn("getProxy", mockActionProxy.proxy());
104         mockActionInvocation.expectAndReturn("getStack", stack);
105         actionInvocation = (ActionInvocation) mockActionInvocation.proxy();
106     }
107 
108 
109     class Bean {
110         private String location;
111 
112         public void setLocation(String location) {
113             this.location = location;
114         }
115 
116         public String getLocation() {
117             return location;
118         }
119     }
120 
121     class TestResult extends StrutsResultSupport {
122 
123         private static final long serialVersionUID = -1512206785088317315L;
124 
125         public String finalLocation;
126 
127         protected void doExecute(String finalLocation, ActionInvocation invocation) throws Exception {
128             this.finalLocation = finalLocation;
129         }
130     }
131 
132     class TestVelocityEngine extends VelocityEngine {
133         public String templateName;
134 
135         public Template getTemplate(String templateName) throws ResourceNotFoundException, ParseErrorException, Exception {
136             this.templateName = templateName;
137 
138             return new Template();
139         }
140 
141         public Template getTemplate(String templateName, String charSet) throws ResourceNotFoundException, ParseErrorException, Exception {
142             this.templateName = templateName;
143 
144             return new Template();
145         }
146     }
147 }