| package org.apache.commons.jcs3.auxiliary.disk.indexed; |
| |
| import org.apache.commons.jcs3.auxiliary.disk.DiskTestObject; |
| import org.apache.commons.jcs3.utils.timing.SleepUtil; |
| import org.apache.commons.jcs3.engine.behavior.ICacheElement; |
| |
| /* |
| * 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; |
| |
| /** |
| * Tests for the optimization routine. |
| * <p> |
| * @author Aaron Smuts |
| */ |
| public class IndexedDiskCacheOptimizationUnitTest |
| extends TestCase |
| { |
| /** |
| * Set the optimize at remove count to 10. Add 20. Check the file size. Remove 10. Check the |
| * times optimized. Check the file size. |
| * @throws Exception |
| */ |
| public void testBasicOptimization() |
| throws Exception |
| { |
| // SETUP |
| int removeCount = 50; |
| |
| IndexedDiskCacheAttributes cattr = new IndexedDiskCacheAttributes(); |
| cattr.setCacheName( "testOptimization" ); |
| cattr.setMaxKeySize( removeCount * 2 ); |
| cattr.setOptimizeAtRemoveCount( removeCount ); |
| cattr.setDiskPath( "target/test-sandbox/testOptimization" ); |
| IndexedDiskCache<Integer, DiskTestObject> disk = new IndexedDiskCache<>( cattr ); |
| |
| disk.removeAll(); |
| |
| int numberToInsert = removeCount * 3; |
| ICacheElement<Integer, DiskTestObject>[] elements = DiskTestObjectUtil |
| .createCacheElementsWithTestObjectsOfVariableSizes( numberToInsert, cattr.getCacheName() ); |
| |
| for ( int i = 0; i < elements.length; i++ ) |
| { |
| disk.processUpdate( elements[i] ); |
| } |
| |
| |
| Thread.sleep( 1000 ); |
| long sizeBeforeRemove = disk.getDataFileSize(); |
| // System.out.println( "file sizeBeforeRemove " + sizeBeforeRemove ); |
| // System.out.println( "totalSize inserted " + DiskTestObjectUtil.totalSize( elements, numberToInsert ) ); |
| |
| // DO WORK |
| for ( int i = 0; i < removeCount; i++ ) |
| { |
| disk.processRemove( Integer.valueOf( i ) ); |
| } |
| |
| SleepUtil.sleepAtLeast( 1000 ); |
| |
| disk.optimizeFile(); |
| // VERIFY |
| long sizeAfterRemove = disk.getDataFileSize(); |
| long expectedSizeAfterRemove = DiskTestObjectUtil.totalSize( elements, removeCount, elements.length ); |
| |
| // test is prone to failure for timing reasons. |
| if ( expectedSizeAfterRemove != sizeAfterRemove ) |
| { |
| SleepUtil.sleepAtLeast( 2000 ); |
| } |
| |
| assertTrue( "The post optimization size should be smaller." |
| +"sizeAfterRemove=" + sizeAfterRemove + " sizeBeforeRemove= " +sizeBeforeRemove |
| , sizeAfterRemove < sizeBeforeRemove ); |
| assertEquals( "The file size is not as expected size.", expectedSizeAfterRemove, sizeAfterRemove ); |
| } |
| } |