package org.apache.commons.jcs.auxiliary.disk.jdbc;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import junit.framework.TestCase;
  import org.apache.commons.jcs.JCS;
  import org.apache.commons.jcs.access.CacheAccess;
  import org.apache.commons.jcs.engine.behavior.ICacheElement;
  
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Properties;
  import java.util.Set;
  
  /**
   * Runs basic tests for the JDBC disk cache using a shared connection pool.
   *<p>
   * @author Aaron Smuts
   */
  public class JDBCDiskCacheSharedPoolUnitTest
      extends TestCase
  {
      /** Test setup */
      @Override
      public void setUp()
      {
          JCS.setConfigFilename( "/TestJDBCDiskCacheSharedPool.ccf" );
      }
  
      /**
       * Test the basic JDBC disk cache functionality with a hsql backing.
       * @throws Exception
       */
      public void testSimpleJDBCPutGetWithHSQL()
          throws Exception
      {
          System.setProperty( "hsqldb.cache_scale", "8" );
  
          String rafroot = "target";
          Properties p = new Properties();
          String driver = p.getProperty( "driver", "org.hsqldb.jdbcDriver" );
          String url = p.getProperty( "url", "jdbc:hsqldb:" );
          String database = p.getProperty( "database", rafroot + "/cache_hsql_db_sharedpool" );
          String user = p.getProperty( "user", "sa" );
          String password = p.getProperty( "password", "" );
  
          new org.hsqldb.jdbcDriver();
          Class.forName( driver ).newInstance();
          Connection cConn = DriverManager.getConnection( url + database, user, password );
  
          HsqlSetupTableUtil.setupTABLE( cConn, "JCS_STORE_0" );
  
          HsqlSetupTableUtil.setupTABLE( cConn, "JCS_STORE_1" );
  
          runTestForRegion( "testCache1", 200 );
      }
  
      /**
       * Adds items to cache, gets them, and removes them. The item count is more than the size of the
       * memory cache, so items should spool to disk.
       * <p>
       * @param region Name of the region to access
       * @param items
       * @throws Exception If an error occurs
       */
      public void runTestForRegion( String region, int items )
          throws Exception
      {
          CacheAccess<String, String> jcs = JCS.getInstance( region );
  
  //        System.out.println( "BEFORE PUT \n" + jcs.getStats() );
  
          // Add items to cache
  
          for ( int i = 0; i <= items; i++ )
          {
              jcs.put( i + ":key", region + " data " + i );
          }
  
  //        System.out.println( jcs.getStats() );
 
         Thread.sleep( 1000 );
 
 //        System.out.println( jcs.getStats() );
 
         // Test that all items are in cache
 
         for ( int i = 0; i <= items; i++ )
         {
             String value = jcs.get( i + ":key" );
 
             assertEquals( "key = [" + i + ":key] value = [" + value + "]", region + " data " + i, value );
         }
 
         // Test that getElements returns all the expected values
         Set<String> keys = new HashSet<String>();
         for ( int i = 0; i <= items; i++ )
         {
             keys.add( i + ":key" );
         }
 
         Map<String, ICacheElement<String, String>> elements = jcs.getCacheElements( keys );
         for ( int i = 0; i <= items; i++ )
         {
             ICacheElement<String, String> element = elements.get( i + ":key" );
             assertNotNull( "element " + i + ":key is missing", element );
             assertEquals( "value " + i + ":key", region + " data " + i, element.getVal() );
         }
 
         // Remove all the items
         for ( int i = 0; i <= items; i++ )
         {
             jcs.remove( i + ":key" );
         }
 
         // Verify removal
         for ( int i = 0; i <= items; i++ )
         {
             assertNull( "Removed key should be null: " + i + ":key", jcs.get( i + ":key" ) );
         }
     }
 }