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1   package org.apache.commons.jcs3.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  
24  import org.apache.commons.jcs3.JCS;
25  import org.apache.commons.jcs3.engine.control.CompositeCacheManager;
26  import org.junit.FixMethodOrder;
27  import org.junit.runners.MethodSorters;
28  
29  /**
30   * This test is for the system property usage in configuration values.
31   */
32  @FixMethodOrder(MethodSorters.NAME_ASCENDING)
33  public class SystemPropertyUnitTest
34      extends TestCase
35  {
36  
37      /**
38       * Verify that we use a system property for a ${FOO} string in a value.
39       *
40       * @throws Exception
41       *
42       */
43      public void test1SystemPropertyInValueDelimiter()
44          throws Exception
45      {
46  
47          final int maxMemory = 1234;
48          System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_DISK_DIR", "system_set" );
49          System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_MAX_SIZE", String.valueOf( maxMemory ) );
50  
51          JCS.setConfigFilename( "/TestSystemProperties.ccf" );
52  
53          final CacheAccess<String, String> cache = JCS.getInstance( "test1" );
54          assertEquals( "We should have used the system property for the memory size", maxMemory, cache
55              .getCacheAttributes().getMaxObjects() );
56  
57          System.clearProperty("MY_SYSTEM_PROPERTY_DISK_DIR");
58          System.clearProperty("MY_SYSTEM_PROPERTY_MAX_SIZE");
59      }
60  
61      /**
62       * Verify that we use a system property for a ${FOO} string in a value. We
63       * define a propety in the cache.ccf file, but we do not have it as a system
64       * property. The default value should be used, if one exists.
65       *
66       * @throws Exception
67       *
68       */
69      public void test2SystemPropertyMissingInValueDelimeter()
70          throws Exception
71      {
72          System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_DISK_DIR", "system_set" );
73  
74          final CompositeCacheManager mgr = CompositeCacheManager.getUnconfiguredInstance();
75          mgr.configure( "/TestSystemProperties.ccf" );
76  
77          final CacheAccess<String, String> cache = JCS.getInstance( "missing" );
78          // TODO check against the actual default def
79          assertEquals( "We should have used the default property for the memory size", 100, cache.getCacheAttributes()
80              .getMaxObjects() );
81  
82          System.clearProperty("MY_SYSTEM_PROPERTY_DISK_DIR");
83  
84      }
85  
86  }