ReflectionUtilsTest


1   /*
2    * Copyright 2005-2007 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package net.sf.dozer.util.mapping.util;
17  
18  import java.beans.PropertyDescriptor  ;
19  
20  import net.sf.dozer.util.mapping.DozerTestBase;
21  import net.sf.dozer.util.mapping.MappingException;
22  import net.sf.dozer.util.mapping.vo.SimpleObj;
23  import net.sf.dozer.util.mapping.vo.inheritance.ChildChildIF;
24  
25  /**
26   * @author tierney.matt
27   */
28  public class ReflectionUtilsTest extends DozerTestBase {
29    private ReflectionUtils utils = new ReflectionUtils();
30  
31    public void testGetMethod_NotFound() throws Exception   {
32      SimpleObj src = new SimpleObj();
33      try {
34        utils.getMethod(src, String.valueOf(System.currentTimeMillis()));
35        fail("Should have thrown exception");
36      } catch (MappingException e) {
37      }
38    }
39    
40    public void testGetDeepFieldHierarchy_NonDeepField() throws Exception   {
41      try {
42        utils.getDeepFieldHierarchy(SimpleObj.class, "test");
43        fail("Should have thrown exception");
44      } catch (MappingException e) {
45        assertEquals("invalid exception thrown", "Field does not contain deep field delimitor", e.getMessage());
46      }
47    }
48    
49    public void testGetDeepFieldHierarchy_NotExists() throws Exception   {
50      try {
51        utils.getDeepFieldHierarchy(SimpleObj.class, String.valueOf(System.currentTimeMillis()) + "." + String.valueOf(System.currentTimeMillis()));
52        fail("Should have thrown exception");
53      } catch (MappingException e) {
54      }
55    }
56    
57    public void testGetPropertyDescriptors_InterfaceInheritance() throws Exception   {
58      //Should walk the inheritance hierarchy all the way up to the super interface and find all properties along the way
59      PropertyDescriptor  [] pds = utils.getPropertyDescriptors(ChildChildIF.class);
60      assertNotNull("prop descriptors should not be null", pds);
61      assertEquals("3 prop descriptors should have been found", 3, pds.length);
62    }
63    
64    public void testGetPropertyDescriptor_InterfaceInheritance() throws Exception   {
65      //Should walk the inheritance hierarchy all the way up to the super interface and find the property along the way
66      String   fieldName = "parentField";
67      PropertyDescriptor   pd = utils.getPropertyDescriptor(ChildChildIF.class, fieldName);
68      assertNotNull("prop descriptor should not be null", pd);
69      assertEquals("invalid prop descriptor name found", fieldName, pd.getName());
70    }
71  }
72
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