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1   package org.apache.commons.jcs3.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 org.apache.commons.jcs3.auxiliary.disk.jdbc.TableState;
25  import org.apache.commons.jcs3.auxiliary.disk.jdbc.dsfactory.SharedPoolDataSourceFactory;
26  
27  import junit.framework.TestCase;
28  
29  /**
30   * Simple tests for the MySQLDisk Cache.
31   * <p>
32   * We will probably need to setup an hsql behind this, to test some of the pass through methods.
33   * </p>
34   */
35  public class MySQLDiskCacheUnitTest
36      extends TestCase
37  {
38      /**
39       * Verify that we simply return null on get if an optimization is in
40       * progress and the cache is configured to balk on optimization.
41       * <p>
42       * This is a bit tricky since we don't want to have to have a mysql instance
43       * running. Right now this doesn't really test much
44       * </p>
45       * @throws SQLException
46       */
47      public void testBalkOnGet() throws SQLException
48      {
49          // SETUP
50          final MySQLDiskCacheAttributes attributes = new MySQLDiskCacheAttributes();
51          final String tableName = "JCS_TEST";
52          // Just use something that exists
53          attributes.setDriverClassName( "org.hsqldb.jdbcDriver" );
54          attributes.setTableName( tableName );
55          attributes.setBalkDuringOptimization( true );
56          final SharedPoolDataSourceFactory dsFactory = new SharedPoolDataSourceFactory();
57          dsFactory.initialize(attributes);
58  
59          final TableState tableState = new TableState( tableName );
60          tableState.setState( TableState.OPTIMIZATION_RUNNING );
61  
62          final MySQLDiskCache<String, String> cache = new MySQLDiskCache<>(attributes, dsFactory, tableState);
63  
64          // DO WORK
65          final Object result = cache.processGet( "myKey" );
66  
67          // VERIFY
68          assertNull( "The result should be null", result );
69      }
70  }