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1   package org.apache.commons.jcs.access;
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 junit.framework.TestCase;
23  import org.apache.commons.jcs.JCS;
24  import org.apache.commons.jcs.engine.control.CompositeCacheManager;
25  import org.junit.FixMethodOrder;
26  import org.junit.runners.MethodSorters;
27  
28  /**
29   * This test is for the system property usage in configuration values.
30   *
31   * @author Aaron Smuts
32   *
33   */
34  @FixMethodOrder(MethodSorters.NAME_ASCENDING)
35  public class SystemPropertyUnitTest
36      extends TestCase
37  {
38  
39      /**
40       * Verify that we use a system property for a ${FOO} string in a value.
41       *
42       * @throws Exception
43       *
44       */
45      public void test1SystemPropertyInValueDelimiter()
46          throws Exception
47      {
48  
49          int maxMemory = 1234;
50          System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_DISK_DIR", "system_set" );
51          System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_MAX_SIZE", String.valueOf( maxMemory ) );
52  
53          JCS.setConfigFilename( "/TestSystemProperties.ccf" );
54  
55          CacheAccess<String, String> cache = JCS.getInstance( "test1" );
56          assertEquals( "We should have used the system property for the memory size", maxMemory, cache
57              .getCacheAttributes().getMaxObjects() );
58  
59          System.clearProperty("MY_SYSTEM_PROPERTY_DISK_DIR");
60          System.clearProperty("MY_SYSTEM_PROPERTY_MAX_SIZE");
61      }
62  
63      /**
64       * Verify that we use a system property for a ${FOO} string in a value. We
65       * define a propety in the cache.ccf file, but we do not have it as a system
66       * property. The default value should be used, if one exists.
67       *
68       * @throws Exception
69       *
70       */
71      public void test2SystemPropertyMissingInValueDelimeter()
72          throws Exception
73      {
74          System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_DISK_DIR", "system_set" );
75  
76          CompositeCacheManager mgr = CompositeCacheManager.getUnconfiguredInstance();
77          mgr.configure( "/TestSystemProperties.ccf" );
78  
79          CacheAccess<String, String> cache = JCS.getInstance( "missing" );
80          // TODO check against the actual default def
81          assertEquals( "We should have used the default property for the memory size", 100, cache.getCacheAttributes()
82              .getMaxObjects() );
83  
84          System.clearProperty("MY_SYSTEM_PROPERTY_DISK_DIR");
85  
86      }
87  
88  }