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1   package org.codehaus.plexus.interpolation;
2   
3   /*
4    * Copyright 2001-2008 Codehaus Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import java.util.Properties;
20  
21  import junit.framework.TestCase;
22  
23  public class PropertiesBasedValueSourceTest
24      extends TestCase
25  {
26  
27      public void testPropertyShouldReturnValueFromProperties()
28      {
29          Properties props = new Properties();
30  
31          String key = "key";
32          String value = "value";
33  
34          props.setProperty( key, value );
35  
36          PropertiesBasedValueSource vs = new PropertiesBasedValueSource( props );
37  
38          assertNotNull( vs.getValue( key ) );
39      }
40  
41      public void testPropertyShouldReturnNullWhenPropertyMissing()
42      {
43          Properties props = new Properties();
44  
45          String key = "key";
46  
47          PropertiesBasedValueSource vs = new PropertiesBasedValueSource( props );
48  
49          assertNull( vs.getValue( key ) );
50      }
51  
52  }