| 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" ) ); |
| } |
| } |
| } |