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 static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.util.Properties;
  
  import org.apache.commons.jcs.JCS;
  import org.apache.commons.jcs.access.CacheAccess;
  import org.apache.commons.jcs.access.exception.CacheException;
  import org.apache.commons.jcs.utils.timing.SleepUtil;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  /**
   * Runs basic tests for the JDBC disk cache.
   * <p>
   * @author Aaron Smuts
   */
  public class JDBCDiskCacheShrinkUnitTest
  {
      /**
       * Creates the DB
       * <p>
       * @throws Exception
       */
      @BeforeClass
      public static void setupDatabase() 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 + "/JDBCDiskCacheShrinkUnitTest" );
          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_SHRINK" );
      }
  
      /**
       * Test setup
       */
      @Before
      public void setUp()
      {
          JCS.setConfigFilename( "/TestJDBCDiskCacheShrink.ccf" );
      }
  
      /**
       * Test the basic JDBC disk cache functionality with a hsql backing. Verify that items
       * configured to expire after 1 second actually expire.
       * <p>
       * @throws Exception
       */
      @Test
      public void testExpireInBackground()
          throws Exception
      {
          String regionExpire = "expire1Second";
          int items = 200;
  
          CacheAccess<String, String> jcsExpire = JCS.getInstance( regionExpire );
  
  //        System.out.println( "BEFORE PUT \n" + jcsExpire.getStats() );
  
          // Add items to cache
  
          for ( int i = 0; i <= items; i++ )
          {
              jcsExpire.put( i + ":key", regionExpire + " data " + i );
         }
 
 //        System.out.println( jcsExpire.getStats() );
 
         // the shrinker is supposed to run every second
         SleepUtil.sleepAtLeast( 3000 );
 
 //        System.out.println( jcsExpire.getStats() );
 
         // Test that all items have been removed from the cache
         for ( int i = 0; i <= items; i++ )
         {
             assertNull( "Removed key should be null: " + i + ":key", jcsExpire.get( i + ":key" ) );
         }
     }
 
     /**
      * Verify that those not scheduled to expire do not expire.
      * <p>
      * @throws CacheException
      * @throws InterruptedException
      */
     @Test
     public void testDidNotExpire()
         throws CacheException, InterruptedException
     {
         String region = "expire100Second";
         int items = 200;
 
         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() );
 
         SleepUtil.sleepAtLeast( 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 );
         }
 
         // 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" ) );
         }
     }
 
     /**
      * Verify that eternal trumps max life.
      * @throws CacheException
      * @throws InterruptedException
      */
     @Test
     public void testDidNotExpireEternal()
         throws CacheException, InterruptedException
     {
         String region = "eternal";
         int items = 200;
 
         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() );
 
         SleepUtil.sleepAtLeast( 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 );
         }
 
         // 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" ) );
         }
     }
 }