Java tutorial
/******************************************************************************* * 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.jdt.ui.tests.performance.views; import java.io.File; import java.util.zip.ZipFile; import junit.extensions.TestSetup; import junit.framework.Test; import junit.framework.TestSuite; import org.eclipse.jdt.testplugin.JavaProjectHelper; import org.eclipse.jdt.testplugin.JavaTestPlugin; import org.eclipse.test.OrderedTestSuite; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IResourceVisitor; import org.eclipse.core.resources.IWorkspaceRunnable; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jdt.ui.JavaUI; import org.eclipse.jdt.ui.tests.performance.JdtPerformanceTestCase; import org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart; public class PackageExplorerPerfTest extends JdtPerformanceTestCase { private static class MyTestSetup extends TestSetup { public static final String SRC_CONTAINER = "src"; public static IJavaProject fJProject1; public MyTestSetup(Test test) { super(test); } protected void setUp() throws Exception { fJProject1 = JavaProjectHelper.createJavaProject("Testing", "bin"); // we must make sure that the performance test are compatible to 2.1.3 & 3.0 so use rt13 assertTrue("rt not found", JavaProjectHelper.addRTJar13(fJProject1) != null); File junitSrcArchive = JavaTestPlugin.getDefault().getFileInPlugin(JavaProjectHelper.JUNIT_SRC_381); JavaProjectHelper.addSourceContainerWithImport(fJProject1, SRC_CONTAINER, junitSrcArchive, JavaProjectHelper.JUNIT_SRC_ENCODING); } protected void tearDown() throws Exception { if (fJProject1 != null && fJProject1.exists()) JavaProjectHelper.delete(fJProject1); } } public static Test suite() { TestSuite suite = new OrderedTestSuite(PackageExplorerPerfTest.class, new String[] { "testOpen", "testSelect", "testExpand", "testRefreshClassFolder" }); return new MyTestSetup(suite); } public static Test setUpTest(Test someTest) { return new MyTestSetup(someTest); } public PackageExplorerPerfTest(String name) { super(name); } public void testOpen() throws Exception { IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); IWorkbenchPage page = activeWorkbenchWindow.getActivePage(); page.close(); page = activeWorkbenchWindow.openPage("org.eclipse.ui.resourcePerspective", ResourcesPlugin.getWorkspace().getRoot()); joinBackgroudActivities(); startMeasuring(); page.showView(JavaUI.ID_PACKAGES); finishMeasurements(); } public void testSelect() throws Exception { joinBackgroudActivities(); TreeViewer viewer = getViewer(); StructuredSelection selection = new StructuredSelection(MyTestSetup.fJProject1); startMeasuring(); viewer.setSelection(selection); finishMeasurements(); } public void testExpand() throws Exception { joinBackgroudActivities(); TreeViewer viewer = getViewer(); startMeasuring(); viewer.expandToLevel(MyTestSetup.fJProject1, 1); finishMeasurements(); } // test for Bug 311212: [package explorer] Performance problem with refreshing external class folders public void testRefreshClassFolder() throws Throwable { // Import rtstubs a few times. Caveat: Only import class files, but not META-INF. // PackageExplorerContentProvider#processResourceDelta(..) refreshes the parent if a resource changes. // This is not what we want to test. final IJavaProject javaProject = MyTestSetup.fJProject1; File jreArchive = JavaTestPlugin.getDefault().getFileInPlugin(JavaProjectHelper.RT_STUBS_15); IPackageFragmentRoot classFolder = JavaProjectHelper.addClassFolderWithImport(javaProject, "classes", null, null, jreArchive); ((IFolder) classFolder.getResource()).getFolder("META-INF").delete(true, null); ZipFile zipFile = new ZipFile(jreArchive); try { for (int i = 1; i <= 5; i++) { String packName = "copy" + i; classFolder.createPackageFragment(packName, true, null); IFolder folder = javaProject.getProject().getFolder("classes").getFolder(packName); JavaProjectHelper.importFilesFromZip(zipFile, folder.getFullPath(), null); folder.getFolder("META-INF").delete(true, null); } } finally { zipFile.close(); } javaProject.getProject().getWorkspace().run(new IWorkspaceRunnable() { public void run(IProgressMonitor monitor) throws CoreException { javaProject.getProject().refreshLocal(IResource.DEPTH_INFINITE, null); } }, null); getViewer().expandToLevel(classFolder, 1); PackageExplorerPart view = getView(); view.selectAndReveal(classFolder); // runs pending updates joinBackgroudActivities(); touchAllFilesOnDisk((IFolder) classFolder.getResource()); startMeasuring(); javaProject.getProject().refreshLocal(IResource.DEPTH_INFINITE, null); view.selectAndReveal(classFolder); // runs pending updates finishMeasurements(); } private void touchAllFilesOnDisk(IFolder folder) throws CoreException { final long now = System.currentTimeMillis(); folder.accept(new IResourceVisitor() { public boolean visit(IResource resource) throws CoreException { if (resource instanceof IFile) { IFile file = (IFile) resource; file.getRawLocation().toFile().setLastModified(now); } return true; } }); } private TreeViewer getViewer() { return getView().getTreeViewer(); } private PackageExplorerPart getView() { IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(); return (PackageExplorerPart) page.findView(JavaUI.ID_PACKAGES); } }