package org.apache.jcs.auxiliary.disk.jdbc.hsql;
/*
* 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.jcs.JCS;
import org.apache.jcs.access.exception.CacheException;
/**
* Test which exercises the indexed disk cache. This one uses three different regions for thre
* threads.
*/
public class HSQLDiskCacheUnitTest
extends TestCase
{
/**
* Test setup
*/
public void setUp()
{
JCS.setConfigFilename( "/TestHSQLDiskCache.ccf" );
}
/**
* 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
* @exception Exception If an error occurs
*/
public void testBasicPutRemove()
throws Exception
{
int items = 20;
String region = "testBasicPutRemove";
JCS jcs = JCS.getInstance( region );
// Add items to cache
for ( int i = 0; i <= items; i++ )
{
jcs.put( i + ":key", region + " data " + i );
}
//SleepUtil.sleepAtLeast( 1000 );
System.out.println( jcs.getStats() );
// Test that all items are in cache
for ( int i = 0; i <= items; i++ )
{
String value = (String) 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 remove all work son a region where it is not prohibited.
* <p>
* @throws CacheException
* @throws InterruptedException
*/
public void testRemoveAll()
throws CacheException, InterruptedException
{
String region = "removeAllAllowed";
JCS jcs = JCS.getInstance( region );
int items = 20;
// Add items to cache
for ( int i = 0; i <= items; i++ )
{
jcs.put( i + ":key", region + " data " + i );
}
// a db thread could be updating when we call remove all?
// there was a race on remove all, an element may be put to disk after it is called even
// though the put
// was called before clear.
// I discovered it and removed it.
// Thread.sleep( 500 );
System.out.println( jcs.getStats() );
jcs.clear();
for ( int i = 0; i <= items; i++ )
{
String value = (String) jcs.get( i + ":key" );
assertNull( "value should be null key = [" + i + ":key] value = [" + value + "]", value );
}
}
/**
* Verify that remove all does not work on a region where it is prohibited.
* <p>
* @throws CacheException
* @throws InterruptedException
*/
public void testRemoveAllProhibition()
throws CacheException, InterruptedException
{
String region = "noRemoveAll";
JCS jcs = JCS.getInstance( region );
int items = 20;
// Add items to cache
for ( int i = 0; i <= items; i++ )
{
jcs.put( i + ":key", region + " data " + i );
}
// a db thread could be updating the disk when
// Thread.sleep( 500 );
System.out.println( jcs.getStats() );
jcs.clear();
for ( int i = 0; i <= items; i++ )
{
String value = (String) jcs.get( i + ":key" );
assertEquals( "key = [" + i + ":key] value = [" + value + "]", region + " data " + i, value );
}
}
}