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1   package org.apache.commons.jcs.auxiliary.disk.jdbc.mysql;
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 java.sql.SQLException;
23  
24  import junit.framework.TestCase;
25  
26  import org.apache.commons.jcs.auxiliary.disk.jdbc.TableState;
27  import org.apache.commons.jcs.auxiliary.disk.jdbc.dsfactory.SharedPoolDataSourceFactory;
28  import org.apache.commons.jcs.engine.control.CompositeCacheManager;
29  
30  /**
31   * Simple tests for the MySQLDisk Cache.
32   * <p>
33   * We will probably need to setup an hsql behind this, to test some of the pass through methods.
34   * <p>
35   * @author Aaron Smuts
36   */
37  public class MySQLDiskCacheUnitTest
38      extends TestCase
39  {
40      /**
41       * Verify that we simply return null on get if an optimization is in
42       * progress and the cache is configured to balk on optimization.
43       * <p>
44       * This is a bit tricky since we don't want to have to have a mysql instance
45       * running. Right now this doesn't really test much
46       * @throws SQLException
47       */
48      public void testBalkOnGet() throws SQLException
49      {
50          // SETUP
51          MySQLDiskCacheAttributes attributes = new MySQLDiskCacheAttributes();
52          String tableName = "JCS_TEST";
53          // Just use something that exists
54          attributes.setDriverClassName( "org.hsqldb.jdbcDriver" );
55          attributes.setTableName( tableName );
56          attributes.setBalkDuringOptimization( true );
57          SharedPoolDataSourceFactory dsFactory = new SharedPoolDataSourceFactory();
58          dsFactory.initialize(attributes);
59  
60          TableState tableState = new TableState( tableName );
61          tableState.setState( TableState.OPTIMIZATION_RUNNING );
62  
63          MySQLDiskCache<String, String> cache = new MySQLDiskCache<String, String>( attributes, dsFactory, tableState,
64          		CompositeCacheManager.getUnconfiguredInstance() );
65  
66          // DO WORK
67          Object result = cache.processGet( "myKey" );
68  
69          // VERIFY
70          assertNull( "The result should be null", result );
71      }
72  }