/*******************************************************************************

 * Copyright (c) 2000, 2013 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.packageview;

import java.io.ByteArrayInputStream;

import junit.framework.Test;

import junit.framework.TestCase;

import junit.framework.TestSuite;

import org.eclipse.jdt.testplugin.JavaProjectHelper;

import org.eclipse.core.resources.IFile;

import org.eclipse.core.resources.IFolder;

import org.eclipse.core.resources.IWorkspace;

import org.eclipse.core.resources.IWorkspaceDescription;

import org.eclipse.core.resources.ResourcesPlugin;

import org.eclipse.jface.viewers.ITreeContentProvider;

import org.eclipse.ui.IViewPart;

import org.eclipse.ui.IWorkbench;

import org.eclipse.ui.IWorkbenchPage;

import org.eclipse.ui.PlatformUI;

import org.eclipse.jdt.core.ElementChangedEvent;

import org.eclipse.jdt.core.IElementChangedListener;

import org.eclipse.jdt.core.IJavaProject;

import org.eclipse.jdt.core.IPackageFragmentRoot;

import org.eclipse.jdt.core.JavaCore;

import org.eclipse.jdt.internal.core.JavaElementDelta;

import org.eclipse.jdt.internal.ui.packageview.LibraryContainer;

import org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider;

import org.eclipse.jdt.internal.ui.util.CoreUtility;

/**

 * Tests for the PackageExplorerContentProvider.

 * <ul>

 * <li>Bug 357450: Class folder in Java project have refresh problem</li>

 * </ul>

 * 

 * @since 3.9

 */

public class ContentProviderTests6 extends TestCase {

	private IWorkspace fWorkspace;

	private boolean fEnableAutoBuildAfterTesting;

	private IWorkbench fWorkbench;

	private IWorkbenchPage page;

	private MockPluginView fMyPart;

	private ITreeContentProvider fProvider;

	private IJavaProject fJProject;

	private IPackageFragmentRoot classFolder;

	public ContentProviderTests6(String name) {

		super(name);

	}

	public static Test suite() {

		TestSuite suite= new TestSuite("org.eclipse.jdt.ui.tests.ContentProviderTests6"); //$NON-NLS-1$

		//$JUnit-BEGIN$

		suite.addTestSuite(ContentProviderTests6.class);

		//$JUnit-END$

		return suite;

	}

	public void testAddFileToClassFolder() throws Exception {

		IFile file= ((IFolder)classFolder.getResource()).getFile("testFile.class"); //$NON-NLS-1$

		if (!file.exists()) {

			file.create(new ByteArrayInputStream(new byte[] {}), false, null);

		}

		//send a delta indicating file added

		JavaElementDelta delta= new JavaElementDelta(classFolder.getJavaModel());

		delta.added(JavaCore.create(file));

		IElementChangedListener listener= (IElementChangedListener)fProvider;

		listener.elementChanged(new ElementChangedEvent(delta, ElementChangedEvent.POST_CHANGE));

		//force events from display

		while (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {

		}

		assertTrue("No add happened", !fMyPart.hasAddHappened()); //$NON-NLS-1$

		assertions();

	}

	public void testAddFolderToClassFolder() throws Exception {

		IFolder folder= ((IFolder)classFolder.getResource()).getFolder("testFolder"); //$NON-NLS-1$

		if (!folder.exists()) {

			folder.create(false, true, null);

		}

		//send a delta indicating folder added

		JavaElementDelta delta= new JavaElementDelta(classFolder.getJavaModel());

		delta.added(JavaCore.create(folder));

		IElementChangedListener listener= (IElementChangedListener)fProvider;

		listener.elementChanged(new ElementChangedEvent(delta, ElementChangedEvent.POST_CHANGE));

		//force events from display

		while (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {

		}

		assertTrue("No add happened", !fMyPart.hasAddHappened()); //$NON-NLS-1$

		assertions();

	}

	public void testRemoveFileFromClassFolder() throws Exception {

		IFile file= ((IFolder)classFolder.getResource()).getFile("testFile.class"); //$NON-NLS-1$

		if (!file.exists()) {

			file.create(new ByteArrayInputStream(new byte[] {}), false, null);

		}

		file.delete(false, null);

		//send a delta indicating file removed

		JavaElementDelta delta= new JavaElementDelta(classFolder.getJavaModel());

		delta.removed(JavaCore.create(file));

		IElementChangedListener listener= (IElementChangedListener)fProvider;

		listener.elementChanged(new ElementChangedEvent(delta, ElementChangedEvent.POST_CHANGE));

		//force events from display

		while (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {

		}

		assertTrue("No remove happened", !fMyPart.hasRemoveHappened()); //$NON-NLS-1$

		assertions();

	}

	public void testRemoveFolderFromClassFolder() throws Exception {

		IFolder folder= ((IFolder)classFolder.getResource()).getFolder("testFolder"); //$NON-NLS-1$

		if (!folder.exists()) {

			folder.create(false, true, null);

		}

		folder.delete(false, null);

		//send a delta indicating folder deleted

		JavaElementDelta delta= new JavaElementDelta(classFolder.getJavaModel());

		delta.removed(JavaCore.create(folder));

		IElementChangedListener listener= (IElementChangedListener)fProvider;

		listener.elementChanged(new ElementChangedEvent(delta, ElementChangedEvent.POST_CHANGE));

		//force events from display

		while (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {

		}

		assertTrue("No remove happened", !fMyPart.hasRemoveHappened()); //$NON-NLS-1$

		assertions();

	}

	private void assertions() {

		assertTrue("Refresh happened", fMyPart.hasRefreshHappened()); //$NON-NLS-1$

		assertTrue("LibraryContainer Refreshed", fMyPart.wasObjectRefreshed(new LibraryContainer(fJProject))); //$NON-NLS-1$

		assertTrue("Resource Refreshed", fMyPart.wasObjectRefreshed(classFolder.getResource())); //$NON-NLS-1$

		assertTrue("Number of refreshed objects", fMyPart.getRefreshedObject().size() == 2); //$NON-NLS-1$

	}

	/*

	 * @see TestCase#setUp()

	 */

	@Override

	protected void setUp() throws Exception {

		super.setUp();

		fWorkspace= ResourcesPlugin.getWorkspace();

		assertNotNull(fWorkspace);

		IWorkspaceDescription workspaceDesc= fWorkspace.getDescription();

		fEnableAutoBuildAfterTesting= workspaceDesc.isAutoBuilding();

		if (fEnableAutoBuildAfterTesting)

			CoreUtility.setAutoBuilding(false);

		fJProject= JavaProjectHelper.createJavaProject("TestProject", "bin");//$NON-NLS-1$//$NON-NLS-2$

		assertNotNull("project null", fJProject);//$NON-NLS-1$

		//set up project : Add classFolder

		classFolder= JavaProjectHelper.addClassFolder(fJProject, "classFolder", null, null); //$NON-NLS-1$

		assertNotNull("class folder null", classFolder); //$NON-NLS-1$

		//set up the mock view

		setUpMockView();

	}

	public void setUpMockView() throws Exception{

		fWorkbench= PlatformUI.getWorkbench();

		assertNotNull(fWorkbench);

		page= fWorkbench.getActiveWorkbenchWindow().getActivePage();

		assertNotNull(page);

		IViewPart myPart= page.showView("org.eclipse.jdt.ui.tests.packageview.MockPluginView"); //$NON-NLS-1$

		if (myPart instanceof MockPluginView) {

			fMyPart= (MockPluginView)myPart;

			fMyPart.clear();

			fProvider= (ITreeContentProvider)fMyPart.getTreeViewer().getContentProvider();

			((PackageExplorerContentProvider)fProvider).setShowLibrariesNode(true);

		} else {

			assertTrue("Unable to get view", false);//$NON-NLS-1$

		}

		assertNotNull(fProvider);

	}

	/**

	 * @see TestCase#tearDown()

	 */

	@Override

	protected void tearDown() throws Exception {

		super.tearDown();

		JavaProjectHelper.delete(fJProject);

		if (fEnableAutoBuildAfterTesting)

			CoreUtility.setAutoBuilding(true);

	}

}

		suite.addTest(ContentProviderTests6.suite());