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1
8 package org.codehaus.dna.impl;
9
10 import junit.framework.TestCase;
11
12 import org.codehaus.dna.MissingResourceException;
13 import org.codehaus.dna.impl.DefaultResourceLocator;
14
15 public class DefaultResourceLocatorTestCase
16 extends TestCase
17 {
18 public void testLookupMissingResourceWithNoParent()
19 throws Exception 
20 {
21 final DefaultResourceLocator locator = new DefaultResourceLocator();
22 assertEquals( "locator.contains(rez) post to insert",
23 false,
24 locator.contains( "rez" ) );
25
26 try
27 {
28 locator.lookup( "rez" );
29 }
30 catch( MissingResourceException e )
31 {
32 return;
33 }
34 fail( "Expected to fail looking up missing resource" );
35 }
36
37 public void testLookupMissingResourceWithParent()
38 throws Exception
39 {
40 final DefaultResourceLocator parent = new DefaultResourceLocator();
41 final DefaultResourceLocator locator = new DefaultResourceLocator( parent );
42 assertEquals( "locator.contains(rez) post to insert",
43 false,
44 locator.contains( "rez" ) );
45
46 try
47 {
48 locator.lookup( "rez" );
49 }
50 catch( MissingResourceException e )
51 {
52 return;
53 }
54 fail( "Expected to fail looking up missing resource" );
55 }
56
57 public void testLookupResourceInLocalLocator()
58 throws Exception
59 {
60 final Object resource = new Object ();
61 final DefaultResourceLocator locator = new DefaultResourceLocator();
62 locator.put( "rez", resource );
63 assertEquals( "locator.contains(rez) post to insert",
64 true,
65 locator.contains( "rez" ) );
66
67 final Object result = locator.lookup( "rez" );
68 assertEquals( "locator.contains(rez) == resource",
69 resource, result );
70 }
71
72 public void testLookupResourceInParentLocator()
73 throws Exception
74 {
75 final Object resource = new Object ();
76 final DefaultResourceLocator parent = new DefaultResourceLocator();
77 final DefaultResourceLocator locator = new DefaultResourceLocator( parent );
78 parent.put( "rez", resource );
79 assertEquals( "locator.contains(rez) post to insert",
80 true,
81 locator.contains( "rez" ) );
82
83 final Object result = locator.lookup( "rez" );
84 assertEquals( "locator.contains(rez) == resource",
85 resource, result );
86 }
87
88 public void testPutWithNullKey()
89 throws Exception
90 {
91 final DefaultResourceLocator locator = new DefaultResourceLocator();
92 try
93 {
94 locator.put( null, new Object () );
95 }
96 catch( NullPointerException e )
97 {
98 assertEquals( "key", e.getMessage() );
99 return;
100 }
101 fail( "Expect to fail to put resource with null key" );
102 }
103
104 public void testPutWithNullResource()
105 throws Exception
106 {
107 final DefaultResourceLocator locator = new DefaultResourceLocator();
108 try
109 {
110 locator.put( "rez", null );
111 }
112 catch( NullPointerException e )
113 {
114 assertEquals( "resource", e.getMessage() );
115 return;
116 }
117 fail( "Expect to fail to put resource with null resource" );
118 }
119 }
120 |
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