| /******************************************************************************* |
| * Copyright (c) 2000, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tests.internal.localstore; |
| |
| import java.io.File; |
| import java.util.Date; |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.tests.resources.ResourceTest; |
| |
| // |
| public class RefreshLocalPerformanceTest extends ResourceTest { |
| /** big site default volume (windows) */ |
| public static final String bigSiteDevice = "d:"; |
| |
| /** big site initial location */ |
| public static final IPath bigSiteLocation = new Path(bigSiteDevice, "/bigsite"); |
| |
| /** benchmark */ |
| public Date startDate; |
| |
| public RefreshLocalPerformanceTest() { |
| super(); |
| } |
| |
| public RefreshLocalPerformanceTest(String name) { |
| super(name); |
| } |
| |
| protected int countChildren(File root) { |
| String[] children = root.list(); |
| if (children == null) { |
| return 0; |
| } |
| int result = 0; |
| for (String element : children) { |
| File child = new File(root, element); |
| if (child.isDirectory()) { |
| result += countChildren(child); |
| } |
| result++; |
| } |
| return result; |
| } |
| |
| public String dispTime(long diff) { |
| return String.valueOf(diff); |
| } |
| |
| public void startClock() { |
| startDate = new Date(); |
| } |
| |
| public long stopClock() { |
| Date stopDate = new Date(); |
| return stopDate.getTime() - startDate.getTime(); |
| } |
| |
| // this test should not be in AllTests because it is only a performance test |
| public static Test suite() { |
| TestSuite suite = new TestSuite(RefreshLocalPerformanceTest.class.getName()); |
| suite.addTest(new RefreshLocalPerformanceTest("testLocalRefreshPerformance")); |
| return suite; |
| } |
| |
| /** |
| * Defines only a default mapping to a project and refreshes locally. |
| */ |
| public void testLocalRefreshPerformance() throws Exception { |
| // test if the test can be done in this machine |
| if (!bigSiteLocation.toFile().isDirectory()) { |
| return; |
| } |
| |
| // create common objects |
| int n = 10; |
| IProject project = getWorkspace().getRoot().getProject("MyTestProject"); |
| IProjectDescription description = getWorkspace().newProjectDescription(project.getName()); |
| description.setLocation(bigSiteLocation); |
| |
| // performance data |
| long averageWithTree = 0; |
| long averageWithoutTree = 0; |
| long[] withoutTree = new long[n]; |
| long[] withTree = new long[n]; |
| |
| // report the number of files to be refreshed |
| int numberOfFiles = countChildren(bigSiteLocation.toFile()); |
| System.out.println("Number of local resources: " + numberOfFiles); |
| |
| // test each project |
| for (int i = 0; i < n; i++) { |
| project.create(description, null); |
| project.open(null); |
| |
| // refresh local (new project) |
| System.out.print("NO TREE: "); |
| startClock(); |
| project.refreshLocal(IResource.DEPTH_INFINITE, null); |
| withoutTree[i] = stopClock(); |
| System.out.println(dispTime(withoutTree[i])); |
| // test with existing workspace tree |
| System.out.print("TREE: "); |
| startClock(); |
| project.refreshLocal(IResource.DEPTH_INFINITE, null); |
| withTree[i] = stopClock(); |
| System.out.println(dispTime(withTree[i])); |
| |
| // calculate average |
| averageWithoutTree += withoutTree[i]; |
| averageWithTree += withTree[i]; |
| |
| // delete project but leave contents |
| project.delete(false, false, null); |
| } |
| averageWithoutTree /= n; |
| averageWithTree /= n; |
| System.out.println("Average without tree: " + averageWithoutTree); |
| System.out.println("Average with tree: " + averageWithTree); |
| } |
| } |