core/tests/org.eclipse.dltk.ui.tests/src/org/eclipse/dltk/ui/tests/navigator/scriptexplorer/ContentProviderTests1.java - dltk/org.eclipse.dltk.core - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2017 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
  *
  *******************************************************************************/
 package org.eclipse.dltk.ui.tests.navigator.scriptexplorer;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;

 import java.util.ArrayList;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.IWorkspaceDescription;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.dltk.core.ElementChangedEvent;
 import org.eclipse.dltk.core.IBuildpathEntry;
 import org.eclipse.dltk.core.IElementChangedListener;
 import org.eclipse.dltk.core.IModelElement;
 import org.eclipse.dltk.core.IModelElementDelta;
 import org.eclipse.dltk.core.IProjectFragment;
 import org.eclipse.dltk.core.IScriptFolder;
 import org.eclipse.dltk.core.IScriptProject;
 import org.eclipse.dltk.core.IScriptProjectFilenames;
 import org.eclipse.dltk.core.ISourceModule;
 import org.eclipse.dltk.internal.ui.wizards.buildpath.BPListElement;
 import org.eclipse.dltk.ui.tests.DLTKUITestsPlugin;
 import org.eclipse.dltk.ui.tests.ScriptProjectHelper;
 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.junit.After;
 import org.junit.Before;
 import org.junit.Test;

 /**
  * Tests for the PackageExplorerContentProvider.
  *
  */
 public class ContentProviderTests1 {

 	private IScriptProject fJProject1;
 	private IScriptProject fJProject2;

 	private IProjectFragment fRoot1;
 	private IScriptFolder fPack1;
 	private IScriptFolder fPack2;
 	private IScriptFolder fPack4;
 	private IScriptFolder fPack3;
 	private IWorkspace fWorkspace;
 	private IWorkbench fWorkbench;
 	private MockPluginView fMyPart;

 	private ITreeContentProvider fProvider;
 	private IProjectFragment fArchiveFragmentRoot;
 	private IScriptFolder fPackJunit;
 	private IScriptFolder fPackJunitSamples;
 	private IScriptFolder fPackJunitSamplesMoney;

 	private IScriptFolder fPack5;
 	private IScriptFolder fPack6;
 	private IFile fFile1;
 	private IFile fFile2;
 	private IResource fCUIMoney;
 	private IResource fCUMoney;
 	private IResource fCUMoneyBag;
 	private IResource fCUMoneyTest;

 	private ISourceModule fCU1;
 	private ISourceModule fCU2;

 	private IWorkbenchPage page;
 	private ISourceModule fCUAllTests;
 	private ISourceModule fCUVectorTest;
 	private ISourceModule fCUSimpleTest;
 	private boolean fEnableAutoBuildAfterTesting;
 	private ISourceModule fCU3;


 	// ---------Test for getChildren-------------------
 	@Test
 	public void testGetChildrenProjectWithSourceFolders() throws Exception {
 		Object[] expectedChildren = new Object[] { fRoot1, fFile1, fFile2 };
 		Object[] children = fProvider.getChildren(fJProject2);
 		assertTrue(
 				"Wrong children found for project", compareArrays(children, expectedChildren));//$NON-NLS-1$
 	}
 	@Test
 	public void testGetChildrenMidLevelFragment() throws Exception {
 		Object[] expectedChildren = new Object[] { fPack4, fPack5 };
 		Object[] children = fProvider.getChildren(fPack3);
 		assertTrue(
 				"Wrong children found for ScriptFolder", compareArrays(children, expectedChildren));//$NON-NLS-1$
 	}
 	@Test
 	public void testGetChildrenBottomLevelFragment() throws Exception {
 		Object[] expectedChildren = new Object[] { fCU1 };
 		Object[] children = fProvider.getChildren(fPack2);
 		assertTrue(
 				"Wrong children found for ScriptFolder", compareArrays(children, expectedChildren));//$NON-NLS-1$
 	}
 	@Test
 	public void testGetChildrenMidLevelFragmentInArchive() throws Exception {
 		Object[] expectedChildren = new Object[] { fPackJunitSamplesMoney,
 				fCUAllTests, fCUSimpleTest, fCUVectorTest };
 		Object[] children = fProvider.getChildren(fPackJunitSamples);
 		assertTrue(
 				"wrong chidren found for mid level ScriptFolder in Archive", compareArrays(children, expectedChildren));//$NON-NLS-1$
 	}
 	@Test
 	public void testGetChildrenBottomLevelFragmentInArchive() throws Exception {
 		Object[] expectedChildren = new Object[] { fCUIMoney, fCUMoney,
 				fCUMoneyBag, fCUMoneyTest };
 		Object[] children = fProvider.getChildren(fPackJunitSamplesMoney);
 		assertTrue(
 				"wrong children found for a bottom ScriptFolder in ProjectFragment Archive", compareArrays(children, expectedChildren)); //$NON-NLS-1$
 	}
 	@Test
 	public void testGetChildrenSourceFolder() throws Exception {
 		Object[] expectedChildren = new Object[] { fPack1, fPack2, fPack3 };//$NON-NLS-1$
 		Object[] children = fProvider.getChildren(fRoot1);
 		assertTrue(
 				"Wrong children found for ProjectFragment", compareArrays(children, expectedChildren));//$NON-NLS-1$
 	}
 	@Test
 	public void testGetChildrenArchive() {
 		Object[] expectedChildren = new Object[] { fPackJunit };//$NON-NLS-1$
 		Object[] children = fProvider.getChildren(fArchiveFragmentRoot);
 		assertTrue(
 				"Wrong child found for ProjectFragment Archive", compareArrays(children, expectedChildren));//$NON-NLS-1$
 	}

 	// ---------------Get Parent Tests-----------------------------
 	@Test
 	public void testGetParentArchive() throws Exception {
 		Object parent = fProvider.getParent(fArchiveFragmentRoot);
 		assertTrue(
 				"Wrong parent found for ProjectFragment Archive", parent == fJProject1);//$NON-NLS-1$
 	}
 	@Test
 	public void testGetParentMidLevelFragmentInArchive() throws Exception {
 		Object expectedParent = fPackJunitSamples;
 		Object parent = fProvider.getParent(fPackJunitSamplesMoney);
 		assertTrue(
 				"Wrong parent found for a NON top level ScriptFolder in an Archive", expectedParent.equals(parent));//$NON-NLS-1$
 	}
 	@Test
 	public void testGetParentTopLevelFragmentInArchive() throws Exception {
 		Object expectedParent = fPackJunit;
 		Object parent = fProvider.getParent(fPackJunitSamples);
 		assertTrue(
 				"Wrong parent found for a top level ScriptFolder in an Archive", expectedParent.equals(parent)); //$NON-NLS-1$
 	}
 	@Test
 	public void testGetParentTopLevelFragment() throws Exception {
 		Object expectedParent = fRoot1;
 		Object parent = fProvider.getParent(fPack3);
 		assertTrue(
 				"Wrong parent found for a top level ScriptFolder", expectedParent.equals(parent));//$NON-NLS-1$
 	}
 	@Test
 	public void testGetParentMidLevelFragment() throws Exception {
 		Object expectedParent = fPack3;
 		Object parent = fProvider.getParent(fPack4);
 		assertTrue(
 				"Wrong parent found for a NON top level ScriptFolder", expectedParent.equals(parent));//$NON-NLS-1$
 	}
 	@Test
 	public void testDeleteBottomLevelFragment() throws Exception {

 		// send a delta indicating fragment deleted
 		IElementChangedListener listener = (IElementChangedListener) fProvider;
 		IModelElementDelta delta = TestDelta.createDelta(fPack4,
 				IModelElementDelta.REMOVED);
 		listener.elementChanged(new ElementChangedEvent(delta,
 				ElementChangedEvent.POST_CHANGE));

 		// force events from dispaly
 		while (fMyPart.getTreeViewer().getControl().getDisplay()
 				.readAndDispatch()) {
 		}

 //		assertTrue("Remove happened", fMyPart.hasRemoveHappened());//$NON-NLS-1$
 //		assertTrue(
 //				"Correct Remove", fMyPart.getRemovedObject().contains(fPack4));//$NON-NLS-1$
 //		assertEquals("No refreshes", 0, fMyPart.getRefreshedObject().size());//$NON-NLS-1$
 	}
 	@Test
 	public void testAddBottomLevelFragment() throws Exception {
 		IScriptFolder test = fRoot1.createScriptFolder("test", true, null);//$NON-NLS-1$

 		// send a delta indicating fragment deleted
 		IElementChangedListener listener = (IElementChangedListener) fProvider;
 		IModelElementDelta delta = TestDelta.createDelta(test,
 				IModelElementDelta.ADDED);
 		listener.elementChanged(new ElementChangedEvent(delta,
 				ElementChangedEvent.POST_CHANGE));

 		// force events from dispaly
 		while (fMyPart.getTreeViewer().getControl().getDisplay()
 				.readAndDispatch()) {
 		}

 		assertTrue("Add happened", fMyPart.hasAddHappened()); //$NON-NLS-1$
 		assertTrue("Correct Add", test.equals(fMyPart.getAddedObject())); //$NON-NLS-1$
 		assertEquals("No refreshes", 0, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
 	}
 	@Test
 	public void testChangedTopLevelScriptFolder() throws Exception {
 		// send a delta indicating fragment deleted
 		IElementChangedListener listener = (IElementChangedListener) fProvider;
 		IModelElementDelta delta = TestDelta.createDelta(fPack3,
 				IModelElementDelta.CHANGED);
 		listener.elementChanged(new ElementChangedEvent(delta,
 				ElementChangedEvent.POST_CHANGE));

 		// force events from display
 		while (fMyPart.getTreeViewer().getControl().getDisplay()
 				.readAndDispatch()) {
 		}

 		assertEquals(
 				"No refresh happened", 0, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
 	}
 	@Test
 	public void testChangeBottomLevelScriptFolder() throws Exception {
 		// send a delta indicating fragment deleted
 		fMyPart.fRefreshedObjects = new ArrayList();
 		IElementChangedListener listener = (IElementChangedListener) fProvider;
 		IModelElementDelta delta = TestDelta.createDelta(fPack6,
 				IModelElementDelta.CHANGED);
 		listener.elementChanged(new ElementChangedEvent(delta,
 				ElementChangedEvent.POST_CHANGE));

 		// force events from display
 		while (fMyPart.getTreeViewer().getControl().getDisplay()
 				.readAndDispatch()) {
 		}

 		assertEquals(
 				"No refresh happened", 0, fMyPart.getRefreshedObject().size());//$NON-NLS-1$
 	}
 	@Test
 	public void testRemoveCUsFromScriptFolder() throws Exception {

 		// send a delta indicating fragment deleted
 		IElementChangedListener listener = (IElementChangedListener) fProvider;
 		IModelElementDelta delta = TestDelta.createCUDelta(new ISourceModule[] {
 				fCU2, fCU3 }, fPack6, IModelElementDelta.REMOVED);
 		listener.elementChanged(new ElementChangedEvent(delta,
 				ElementChangedEvent.POST_CHANGE));

 		// force events from display
 		while (fMyPart.getTreeViewer().getControl().getDisplay()
 				.readAndDispatch()) {
 		}

 		// removing more than one CU now results in a refresh.
 		assertEquals("One refresh", 1, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
 	}
 	@Test
 	public void testRemoveCUFromScriptFolder() throws Exception {

 		// send a delta indicating fragment deleted
 		IElementChangedListener listener = (IElementChangedListener) fProvider;
 		IModelElementDelta delta = TestDelta.createCUDelta(
 				new ISourceModule[] { fCU2 }, fPack6,
 				IModelElementDelta.REMOVED);
 		listener.elementChanged(new ElementChangedEvent(delta,
 				ElementChangedEvent.POST_CHANGE));

 		// force events from display
 		while (fMyPart.getTreeViewer().getControl().getDisplay()
 				.readAndDispatch()) {
 		}

 		assertTrue("Remove happened", fMyPart.hasRemoveHappened()); //$NON-NLS-1$
 		assertTrue("Correct refresh", fMyPart.getRemovedObject().contains(fCU2)); //$NON-NLS-1$
 		assertEquals("No refreshes", 0, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
 	}

 	public void BUG_testBug65240() throws Exception {
 		IBuildpathEntry[] rawBuildpath = fJProject2.getRawBuildpath();
 		IBuildpathEntry src1 = rawBuildpath[0];
 		BPListElement element = BPListElement.createFromExisting(src1,
 				fJProject2);
 		element.setAttribute(BPListElement.INCLUSION, new IPath[] { new Path(
 				"pack3/pack5/") });
 		fJProject2.setRawBuildpath(new IBuildpathEntry[] { element
 				.getBuildpathEntry() }, null);
 		// TODO: right answer is Object[]{fPack4, fPack4.getResource(), fPack5}
 		// but i don't know if fPack4 should be equal to fPack4.getResource() or
 		// this is a bug
 		Object[] expectedChildren = new Object[] { fPack4, fPack5 };
 		Object[] children = fProvider.getChildren(fPack3.getResource());
 		assertTrue(
 				"Wrong children found for project", compareArrays(children, expectedChildren));//$NON-NLS-1$
 	}

 	// public void testAddWorkingCopyCU() throws Exception {
 	// //test for bug 106452: Paste of source into container doesn't refresh
 	// package explorer
 	// ISourceModule cu= fPack6.createSourceModule("New.txt","class New {}",
 	// true, null);//$NON-NLS-1$//$NON-NLS-2$
 	// cu.becomeWorkingCopy(null, null);
 	//
 	// try {
 	// fMyPart.getTreeViewer().setInput(fJProject1.getScriptModel());
 	// fMyPart.getTreeViewer().reveal(fCU2);
 	// ((PackageExplorerContentProvider)
 	// fMyPart.getTreeViewer().getContentProvider()).setProvideMembers(false);
 	//
 	// //force events from display
 	// while
 	// (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {
 	// }
 	//
 	// IElementChangedListener listener= (IElementChangedListener) fProvider;
 	// IModelElementDelta delta= TestDelta.createCUDelta(new ISourceModule[] {
 	// cu }, fPack6, IModelElementDelta.ADDED);
 	// listener.elementChanged(new ElementChangedEvent(delta,
 	// ElementChangedEvent.POST_CHANGE));
 	//
 	// //force events from display
 	// while
 	// (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {
 	// }
 	//
 	// assertTrue("No add happened", ! fMyPart.hasAddHappened()); //$NON-NLS-1$
 	// assertTrue("Refresh happened", fMyPart.hasRefreshHappened());
 	// //$NON-NLS-1$
 	// if (fMyPart.getRefreshedObject().size() != 1)
 	// fail("One refresh expected, was:\n" + fMyPart.getRefreshedObject());
 	// //$NON-NLS-1$
 	// assertEquals("Correct refresh", fPack6,
 	// fMyPart.getRefreshedObject().get(0)); //$NON-NLS-1$
 	//
 	// } finally {
 	// cu.discardWorkingCopy();
 	// }
 	// }

 	@Before
 	public void setUp() throws Exception {
 		fWorkspace = ResourcesPlugin.getWorkspace();
 		assertNotNull(fWorkspace);
 		IWorkspaceDescription workspaceDesc = fWorkspace.getDescription();
 		fEnableAutoBuildAfterTesting = workspaceDesc.isAutoBuilding();
 		if (fEnableAutoBuildAfterTesting)
 			ScriptProjectHelper.setAutoBuilding(false);

 		assertNotNull(fWorkspace);

 		fJProject1 = ScriptProjectHelper.createScriptProject("TestProject1");//$NON-NLS-1$
 		fJProject2 = ScriptProjectHelper.createScriptProject("TestProject2");//$NON-NLS-1$

 		assertNotNull("project1 null", fJProject1);//$NON-NLS-1$
 		assertNotNull("project2 null", fJProject2);//$NON-NLS-1$

 		fJProject1.setRawBuildpath(new IBuildpathEntry[0], null);

 		Object[] resource = fJProject2.getForeignResources();
 		for (int i = 0; i < resource.length; i++) {
 			Object object = resource[i];
 			if (object instanceof IFile) {
 				IFile file = (IFile) object;
 				if (IScriptProjectFilenames.BUILDPATH_FILENAME.equals(file.getName()))//$NON-NLS-1$
 					fFile1 = file;
 				else if (IScriptProjectFilenames.PROJECT_FILENAME.equals(file.getName()))//$NON-NLS-1$
 					fFile2 = file;
 			}
 		}
 		assertNotNull(fFile1);
 		assertNotNull(fFile2);

 		java.io.File junitSrcArchive = DLTKUITestsPlugin.getDefault()
 				.getFileInPlugin(ScriptProjectHelper.JUNIT_SRC_381);
 		assertTrue(
 				"junit src not found", junitSrcArchive != null && junitSrcArchive.exists());//$NON-NLS-1$

 		fArchiveFragmentRoot = ScriptProjectHelper
 				.addSourceContainerWithImport(
 						fJProject1,
 						"src", junitSrcArchive, ScriptProjectHelper.JUNIT_SRC_ENCODING);//$NON-NLS-1$
 		assertTrue(
 				"Unable to create zipfile archive", fArchiveFragmentRoot.exists());//$NON-NLS-1$

 		fPackJunit = fArchiveFragmentRoot.getScriptFolder("junit");//$NON-NLS-1$
 		fPackJunitSamples = fArchiveFragmentRoot
 				.getScriptFolder("junit/samples");//$NON-NLS-1$
 		fPackJunitSamplesMoney = fArchiveFragmentRoot
 				.getScriptFolder("junit/samples/money");//$NON-NLS-1$

 		assertNotNull("creating fPackJunit", fPackJunit);//$NON-NLS-1$
 		assertNotNull("creating fPackJunitSamples", fPackJunitSamples);//$NON-NLS-1$
 		assertNotNull("creating fPackJunitSamplesMoney", fPackJunitSamplesMoney);//$NON-NLS-1$

 		fCUIMoney = fPackJunitSamplesMoney
 				.getSourceModule("IMoney.java").getResource();//$NON-NLS-1$
 		fCUMoney = fPackJunitSamplesMoney
 				.getSourceModule("Money.java").getResource();//$NON-NLS-1$
 		fCUMoneyBag = fPackJunitSamplesMoney
 				.getSourceModule("MoneyBag.java").getResource();//$NON-NLS-1$
 		fCUMoneyTest = fPackJunitSamplesMoney
 				.getSourceModule("MoneyTest.java").getResource();//$NON-NLS-1$

 		fCUAllTests = fPackJunitSamples.getSourceModule("AllTests.txt");//$NON-NLS-1$
 		fCUVectorTest = fPackJunitSamples.getSourceModule("VectorTest.txt");//$NON-NLS-1$
 		fCUSimpleTest = fPackJunitSamples.getSourceModule("SimpleTest.txt");//$NON-NLS-1$
 		// set up project #2: file system structure with in a source folder

 		// ScriptProjectHelper.addVariableEntry(fJProject2, new
 		// Path("InterpreterEnvironment_LIB_TEST"), null, null);

 		fRoot1 = ScriptProjectHelper.addSourceContainer(fJProject2, "src1");//$NON-NLS-1$
 		fPack1 = fRoot1.createScriptFolder("pack1", true, null);//$NON-NLS-1$
 		fPack2 = fRoot1.createScriptFolder("pack2", true, null);//$NON-NLS-1$
 		fPack3 = fRoot1.createScriptFolder("pack3", true, null);//$NON-NLS-1$
 		fPack4 = fRoot1.createScriptFolder("pack3/pack4", true, null);//$NON-NLS-1$
 		fPack5 = fRoot1.createScriptFolder("pack3/pack5", true, null);//$NON-NLS-1$
 		fPack6 = fRoot1.createScriptFolder("pack3/pack5/pack6", true, null);//$NON-NLS-1$

 		fCU1 = fPack2.createSourceModule("Object.txt", "", true, null);//$NON-NLS-1$//$NON-NLS-2$
 		fCU2 = fPack6.createSourceModule("Object.txt", "", true, null);//$NON-NLS-1$//$NON-NLS-2$
 		fCU3 = fPack6.createSourceModule("Jen.txt", "", true, null);//$NON-NLS-1$//$NON-NLS-2$

 		// set up the mock view
 		setUpMockView();
 	}

 	public void setUpMockView() throws Exception {

 		fWorkbench = PlatformUI.getWorkbench();
 		assertNotNull(fWorkbench);

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

 		// just testing to make sure my part can be created
 		IViewPart myPart = new MockPluginView();
 		assertNotNull(myPart);

 		myPart = page
 				.showView("org.eclipse.dltk.ui.tests.packageview.MockPluginView");//$NON-NLS-1$
 		if (myPart instanceof MockPluginView) {
 			fMyPart = (MockPluginView) myPart;
 			fMyPart.setFolding(false);
 			// above call might cause a property change event being sent
 			fMyPart.fRefreshedObjects.clear();
 			fProvider = (ITreeContentProvider) fMyPart.getTreeViewer()
 					.getContentProvider();
 		} else
 			assertTrue("Unable to get view", false);//$NON-NLS-1$

 		assertNotNull(fProvider);
 	}

 	@After
 	public void tearDown() throws Exception {
 		fArchiveFragmentRoot.close();

 		ScriptProjectHelper.delete(fJProject1);
 		ScriptProjectHelper.delete(fJProject2);
 		page.hideView(fMyPart);

 		if (fEnableAutoBuildAfterTesting)
 			ScriptProjectHelper.setAutoBuilding(true);
 	}

 	/**
 	 * Method compareArrays. Both arrays must be of IScriptFolders or compare
 	 * will fail.
 	 *
 	 * @param children
 	 * @param expectedChildren
 	 * @return boolean
 	 */
 	private boolean compareArrays(Object[] children, Object[] expectedChildren) {
 		if (children.length != expectedChildren.length)
 			return false;
 		for (int i = 0; i < children.length; i++) {
 			Object child = children[i];
 			if (child instanceof IModelElement) {
 				IModelElement el = (IModelElement) child;
 				if (!contains(el, expectedChildren))
 					return false;
 			} else if (child instanceof IResource) {
 				IResource res = (IResource) child;
 				if (!contains(res, expectedChildren)) {
 					return false;
 				}
 			}
 		}
 		return true;
 	}

 	/**
 	 * Method contains.
 	 *
 	 * @param res
 	 * @param expectedChildren
 	 * @return boolean
 	 */
 	private boolean contains(IResource res, Object[] expectedChildren) {
 		for (int i = 0; i < expectedChildren.length; i++) {
 			Object object = expectedChildren[i];
 			if (object instanceof IResource) {
 				IResource expres = (IResource) object;
 				if (expres.equals(res))
 					return true;
 			}
 		}
 		return false;
 	}

 	/**
 	 * Method contains.
 	 *
 	 * @param fragment
 	 * @param expectedChildren
 	 * @return boolean
 	 */
 	private boolean contains(IModelElement fragment, Object[] expectedChildren) {
 		for (int i = 0; i < expectedChildren.length; i++) {
 			Object object = expectedChildren[i];
 			if (object instanceof IModelElement) {
 				IModelElement expfrag = (IModelElement) object;
 				if (expfrag.equals(fragment))
 					return true;
 			}
 		}
 		return false;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2017 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
	*
	*******************************************************************************/
	package org.eclipse.dltk.ui.tests.navigator.scriptexplorer;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertNotNull;
	import static org.junit.Assert.assertTrue;

	import java.util.ArrayList;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IWorkspace;
	import org.eclipse.core.resources.IWorkspaceDescription;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.dltk.core.ElementChangedEvent;
	import org.eclipse.dltk.core.IBuildpathEntry;
	import org.eclipse.dltk.core.IElementChangedListener;
	import org.eclipse.dltk.core.IModelElement;
	import org.eclipse.dltk.core.IModelElementDelta;
	import org.eclipse.dltk.core.IProjectFragment;
	import org.eclipse.dltk.core.IScriptFolder;
	import org.eclipse.dltk.core.IScriptProject;
	import org.eclipse.dltk.core.IScriptProjectFilenames;
	import org.eclipse.dltk.core.ISourceModule;
	import org.eclipse.dltk.internal.ui.wizards.buildpath.BPListElement;
	import org.eclipse.dltk.ui.tests.DLTKUITestsPlugin;
	import org.eclipse.dltk.ui.tests.ScriptProjectHelper;
	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.junit.After;
	import org.junit.Before;
	import org.junit.Test;

	/**
	* Tests for the PackageExplorerContentProvider.
	*
	*/
	public class ContentProviderTests1 {

	private IScriptProject fJProject1;
	private IScriptProject fJProject2;

	private IProjectFragment fRoot1;
	private IScriptFolder fPack1;
	private IScriptFolder fPack2;
	private IScriptFolder fPack4;
	private IScriptFolder fPack3;
	private IWorkspace fWorkspace;
	private IWorkbench fWorkbench;
	private MockPluginView fMyPart;

	private ITreeContentProvider fProvider;
	private IProjectFragment fArchiveFragmentRoot;
	private IScriptFolder fPackJunit;
	private IScriptFolder fPackJunitSamples;
	private IScriptFolder fPackJunitSamplesMoney;

	private IScriptFolder fPack5;
	private IScriptFolder fPack6;
	private IFile fFile1;
	private IFile fFile2;
	private IResource fCUIMoney;
	private IResource fCUMoney;
	private IResource fCUMoneyBag;
	private IResource fCUMoneyTest;

	private ISourceModule fCU1;
	private ISourceModule fCU2;

	private IWorkbenchPage page;
	private ISourceModule fCUAllTests;
	private ISourceModule fCUVectorTest;
	private ISourceModule fCUSimpleTest;
	private boolean fEnableAutoBuildAfterTesting;
	private ISourceModule fCU3;


	// ---------Test for getChildren-------------------
	@Test
	public void testGetChildrenProjectWithSourceFolders() throws Exception {
	Object[] expectedChildren = new Object[] { fRoot1, fFile1, fFile2 };
	Object[] children = fProvider.getChildren(fJProject2);
	assertTrue(
	"Wrong children found for project", compareArrays(children, expectedChildren));//$NON-NLS-1$
	}
	@Test
	public void testGetChildrenMidLevelFragment() throws Exception {
	Object[] expectedChildren = new Object[] { fPack4, fPack5 };
	Object[] children = fProvider.getChildren(fPack3);
	assertTrue(
	"Wrong children found for ScriptFolder", compareArrays(children, expectedChildren));//$NON-NLS-1$
	}
	@Test
	public void testGetChildrenBottomLevelFragment() throws Exception {
	Object[] expectedChildren = new Object[] { fCU1 };
	Object[] children = fProvider.getChildren(fPack2);
	assertTrue(
	"Wrong children found for ScriptFolder", compareArrays(children, expectedChildren));//$NON-NLS-1$
	}
	@Test
	public void testGetChildrenMidLevelFragmentInArchive() throws Exception {
	Object[] expectedChildren = new Object[] { fPackJunitSamplesMoney,
	fCUAllTests, fCUSimpleTest, fCUVectorTest };
	Object[] children = fProvider.getChildren(fPackJunitSamples);
	assertTrue(
	"wrong chidren found for mid level ScriptFolder in Archive", compareArrays(children, expectedChildren));//$NON-NLS-1$
	}
	@Test
	public void testGetChildrenBottomLevelFragmentInArchive() throws Exception {
	Object[] expectedChildren = new Object[] { fCUIMoney, fCUMoney,
	fCUMoneyBag, fCUMoneyTest };
	Object[] children = fProvider.getChildren(fPackJunitSamplesMoney);
	assertTrue(
	"wrong children found for a bottom ScriptFolder in ProjectFragment Archive", compareArrays(children, expectedChildren)); //$NON-NLS-1$
	}
	@Test
	public void testGetChildrenSourceFolder() throws Exception {
	Object[] expectedChildren = new Object[] { fPack1, fPack2, fPack3 };//$NON-NLS-1$
	Object[] children = fProvider.getChildren(fRoot1);
	assertTrue(
	"Wrong children found for ProjectFragment", compareArrays(children, expectedChildren));//$NON-NLS-1$
	}
	@Test
	public void testGetChildrenArchive() {
	Object[] expectedChildren = new Object[] { fPackJunit };//$NON-NLS-1$
	Object[] children = fProvider.getChildren(fArchiveFragmentRoot);
	assertTrue(
	"Wrong child found for ProjectFragment Archive", compareArrays(children, expectedChildren));//$NON-NLS-1$
	}

	// ---------------Get Parent Tests-----------------------------
	@Test
	public void testGetParentArchive() throws Exception {
	Object parent = fProvider.getParent(fArchiveFragmentRoot);
	assertTrue(
	"Wrong parent found for ProjectFragment Archive", parent == fJProject1);//$NON-NLS-1$
	}
	@Test
	public void testGetParentMidLevelFragmentInArchive() throws Exception {
	Object expectedParent = fPackJunitSamples;
	Object parent = fProvider.getParent(fPackJunitSamplesMoney);
	assertTrue(
	"Wrong parent found for a NON top level ScriptFolder in an Archive", expectedParent.equals(parent));//$NON-NLS-1$
	}
	@Test
	public void testGetParentTopLevelFragmentInArchive() throws Exception {
	Object expectedParent = fPackJunit;
	Object parent = fProvider.getParent(fPackJunitSamples);
	assertTrue(
	"Wrong parent found for a top level ScriptFolder in an Archive", expectedParent.equals(parent)); //$NON-NLS-1$
	}
	@Test
	public void testGetParentTopLevelFragment() throws Exception {
	Object expectedParent = fRoot1;
	Object parent = fProvider.getParent(fPack3);
	assertTrue(
	"Wrong parent found for a top level ScriptFolder", expectedParent.equals(parent));//$NON-NLS-1$
	}
	@Test
	public void testGetParentMidLevelFragment() throws Exception {
	Object expectedParent = fPack3;
	Object parent = fProvider.getParent(fPack4);
	assertTrue(
	"Wrong parent found for a NON top level ScriptFolder", expectedParent.equals(parent));//$NON-NLS-1$
	}
	@Test
	public void testDeleteBottomLevelFragment() throws Exception {

	// send a delta indicating fragment deleted
	IElementChangedListener listener = (IElementChangedListener) fProvider;
	IModelElementDelta delta = TestDelta.createDelta(fPack4,
	IModelElementDelta.REMOVED);
	listener.elementChanged(new ElementChangedEvent(delta,
	ElementChangedEvent.POST_CHANGE));

	// force events from dispaly
	while (fMyPart.getTreeViewer().getControl().getDisplay()
	.readAndDispatch()) {
	}

	// assertTrue("Remove happened", fMyPart.hasRemoveHappened());//$NON-NLS-1$
	// assertTrue(
	// "Correct Remove", fMyPart.getRemovedObject().contains(fPack4));//$NON-NLS-1$
	// assertEquals("No refreshes", 0, fMyPart.getRefreshedObject().size());//$NON-NLS-1$
	}
	@Test
	public void testAddBottomLevelFragment() throws Exception {
	IScriptFolder test = fRoot1.createScriptFolder("test", true, null);//$NON-NLS-1$

	// send a delta indicating fragment deleted
	IElementChangedListener listener = (IElementChangedListener) fProvider;
	IModelElementDelta delta = TestDelta.createDelta(test,
	IModelElementDelta.ADDED);
	listener.elementChanged(new ElementChangedEvent(delta,
	ElementChangedEvent.POST_CHANGE));

	// force events from dispaly
	while (fMyPart.getTreeViewer().getControl().getDisplay()
	.readAndDispatch()) {
	}

	assertTrue("Add happened", fMyPart.hasAddHappened()); //$NON-NLS-1$
	assertTrue("Correct Add", test.equals(fMyPart.getAddedObject())); //$NON-NLS-1$
	assertEquals("No refreshes", 0, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
	}
	@Test
	public void testChangedTopLevelScriptFolder() throws Exception {
	// send a delta indicating fragment deleted
	IElementChangedListener listener = (IElementChangedListener) fProvider;
	IModelElementDelta delta = TestDelta.createDelta(fPack3,
	IModelElementDelta.CHANGED);
	listener.elementChanged(new ElementChangedEvent(delta,
	ElementChangedEvent.POST_CHANGE));

	// force events from display
	while (fMyPart.getTreeViewer().getControl().getDisplay()
	.readAndDispatch()) {
	}

	assertEquals(
	"No refresh happened", 0, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
	}
	@Test
	public void testChangeBottomLevelScriptFolder() throws Exception {
	// send a delta indicating fragment deleted
	fMyPart.fRefreshedObjects = new ArrayList();
	IElementChangedListener listener = (IElementChangedListener) fProvider;
	IModelElementDelta delta = TestDelta.createDelta(fPack6,
	IModelElementDelta.CHANGED);
	listener.elementChanged(new ElementChangedEvent(delta,
	ElementChangedEvent.POST_CHANGE));

	// force events from display
	while (fMyPart.getTreeViewer().getControl().getDisplay()
	.readAndDispatch()) {
	}

	assertEquals(
	"No refresh happened", 0, fMyPart.getRefreshedObject().size());//$NON-NLS-1$
	}
	@Test
	public void testRemoveCUsFromScriptFolder() throws Exception {

	// send a delta indicating fragment deleted
	IElementChangedListener listener = (IElementChangedListener) fProvider;
	IModelElementDelta delta = TestDelta.createCUDelta(new ISourceModule[] {
	fCU2, fCU3 }, fPack6, IModelElementDelta.REMOVED);
	listener.elementChanged(new ElementChangedEvent(delta,
	ElementChangedEvent.POST_CHANGE));

	// force events from display
	while (fMyPart.getTreeViewer().getControl().getDisplay()
	.readAndDispatch()) {
	}

	// removing more than one CU now results in a refresh.
	assertEquals("One refresh", 1, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
	}
	@Test
	public void testRemoveCUFromScriptFolder() throws Exception {

	// send a delta indicating fragment deleted
	IElementChangedListener listener = (IElementChangedListener) fProvider;
	IModelElementDelta delta = TestDelta.createCUDelta(
	new ISourceModule[] { fCU2 }, fPack6,
	IModelElementDelta.REMOVED);
	listener.elementChanged(new ElementChangedEvent(delta,
	ElementChangedEvent.POST_CHANGE));

	// force events from display
	while (fMyPart.getTreeViewer().getControl().getDisplay()
	.readAndDispatch()) {
	}

	assertTrue("Remove happened", fMyPart.hasRemoveHappened()); //$NON-NLS-1$
	assertTrue("Correct refresh", fMyPart.getRemovedObject().contains(fCU2)); //$NON-NLS-1$
	assertEquals("No refreshes", 0, fMyPart.getRefreshedObject().size()); //$NON-NLS-1$
	}

	public void BUG_testBug65240() throws Exception {
	IBuildpathEntry[] rawBuildpath = fJProject2.getRawBuildpath();
	IBuildpathEntry src1 = rawBuildpath[0];
	BPListElement element = BPListElement.createFromExisting(src1,
	fJProject2);
	element.setAttribute(BPListElement.INCLUSION, new IPath[] { new Path(
	"pack3/pack5/") });
	fJProject2.setRawBuildpath(new IBuildpathEntry[] { element
	.getBuildpathEntry() }, null);
	// TODO: right answer is Object[]{fPack4, fPack4.getResource(), fPack5}
	// but i don't know if fPack4 should be equal to fPack4.getResource() or
	// this is a bug
	Object[] expectedChildren = new Object[] { fPack4, fPack5 };
	Object[] children = fProvider.getChildren(fPack3.getResource());
	assertTrue(
	"Wrong children found for project", compareArrays(children, expectedChildren));//$NON-NLS-1$
	}

	// public void testAddWorkingCopyCU() throws Exception {
	// //test for bug 106452: Paste of source into container doesn't refresh
	// package explorer
	// ISourceModule cu= fPack6.createSourceModule("New.txt","class New {}",
	// true, null);//$NON-NLS-1$//$NON-NLS-2$
	// cu.becomeWorkingCopy(null, null);
	//
	// try {
	// fMyPart.getTreeViewer().setInput(fJProject1.getScriptModel());
	// fMyPart.getTreeViewer().reveal(fCU2);
	// ((PackageExplorerContentProvider)
	// fMyPart.getTreeViewer().getContentProvider()).setProvideMembers(false);
	//
	// //force events from display
	// while
	// (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {
	// }
	//
	// IElementChangedListener listener= (IElementChangedListener) fProvider;
	// IModelElementDelta delta= TestDelta.createCUDelta(new ISourceModule[] {
	// cu }, fPack6, IModelElementDelta.ADDED);
	// listener.elementChanged(new ElementChangedEvent(delta,
	// ElementChangedEvent.POST_CHANGE));
	//
	// //force events from display
	// while
	// (fMyPart.getTreeViewer().getControl().getDisplay().readAndDispatch()) {
	// }
	//
	// assertTrue("No add happened", ! fMyPart.hasAddHappened()); //$NON-NLS-1$
	// assertTrue("Refresh happened", fMyPart.hasRefreshHappened());
	// //$NON-NLS-1$
	// if (fMyPart.getRefreshedObject().size() != 1)
	// fail("One refresh expected, was:\n" + fMyPart.getRefreshedObject());
	// //$NON-NLS-1$
	// assertEquals("Correct refresh", fPack6,
	// fMyPart.getRefreshedObject().get(0)); //$NON-NLS-1$
	//
	// } finally {
	// cu.discardWorkingCopy();
	// }
	// }

	@Before
	public void setUp() throws Exception {
	fWorkspace = ResourcesPlugin.getWorkspace();
	assertNotNull(fWorkspace);
	IWorkspaceDescription workspaceDesc = fWorkspace.getDescription();
	fEnableAutoBuildAfterTesting = workspaceDesc.isAutoBuilding();
	if (fEnableAutoBuildAfterTesting)
	ScriptProjectHelper.setAutoBuilding(false);

	assertNotNull(fWorkspace);

	fJProject1 = ScriptProjectHelper.createScriptProject("TestProject1");//$NON-NLS-1$
	fJProject2 = ScriptProjectHelper.createScriptProject("TestProject2");//$NON-NLS-1$

	assertNotNull("project1 null", fJProject1);//$NON-NLS-1$
	assertNotNull("project2 null", fJProject2);//$NON-NLS-1$

	fJProject1.setRawBuildpath(new IBuildpathEntry[0], null);

	Object[] resource = fJProject2.getForeignResources();
	for (int i = 0; i < resource.length; i++) {
	Object object = resource[i];
	if (object instanceof IFile) {
	IFile file = (IFile) object;
	if (IScriptProjectFilenames.BUILDPATH_FILENAME.equals(file.getName()))//$NON-NLS-1$
	fFile1 = file;
	else if (IScriptProjectFilenames.PROJECT_FILENAME.equals(file.getName()))//$NON-NLS-1$
	fFile2 = file;
	}
	}
	assertNotNull(fFile1);
	assertNotNull(fFile2);

	java.io.File junitSrcArchive = DLTKUITestsPlugin.getDefault()
	.getFileInPlugin(ScriptProjectHelper.JUNIT_SRC_381);
	assertTrue(
	"junit src not found", junitSrcArchive != null && junitSrcArchive.exists());//$NON-NLS-1$

	fArchiveFragmentRoot = ScriptProjectHelper
	.addSourceContainerWithImport(
	fJProject1,
	"src", junitSrcArchive, ScriptProjectHelper.JUNIT_SRC_ENCODING);//$NON-NLS-1$
	assertTrue(
	"Unable to create zipfile archive", fArchiveFragmentRoot.exists());//$NON-NLS-1$

	fPackJunit = fArchiveFragmentRoot.getScriptFolder("junit");//$NON-NLS-1$
	fPackJunitSamples = fArchiveFragmentRoot
	.getScriptFolder("junit/samples");//$NON-NLS-1$
	fPackJunitSamplesMoney = fArchiveFragmentRoot
	.getScriptFolder("junit/samples/money");//$NON-NLS-1$

	assertNotNull("creating fPackJunit", fPackJunit);//$NON-NLS-1$
	assertNotNull("creating fPackJunitSamples", fPackJunitSamples);//$NON-NLS-1$
	assertNotNull("creating fPackJunitSamplesMoney", fPackJunitSamplesMoney);//$NON-NLS-1$

	fCUIMoney = fPackJunitSamplesMoney
	.getSourceModule("IMoney.java").getResource();//$NON-NLS-1$
	fCUMoney = fPackJunitSamplesMoney
	.getSourceModule("Money.java").getResource();//$NON-NLS-1$
	fCUMoneyBag = fPackJunitSamplesMoney
	.getSourceModule("MoneyBag.java").getResource();//$NON-NLS-1$
	fCUMoneyTest = fPackJunitSamplesMoney
	.getSourceModule("MoneyTest.java").getResource();//$NON-NLS-1$

	fCUAllTests = fPackJunitSamples.getSourceModule("AllTests.txt");//$NON-NLS-1$
	fCUVectorTest = fPackJunitSamples.getSourceModule("VectorTest.txt");//$NON-NLS-1$
	fCUSimpleTest = fPackJunitSamples.getSourceModule("SimpleTest.txt");//$NON-NLS-1$
	// set up project #2: file system structure with in a source folder

	// ScriptProjectHelper.addVariableEntry(fJProject2, new
	// Path("InterpreterEnvironment_LIB_TEST"), null, null);

	fRoot1 = ScriptProjectHelper.addSourceContainer(fJProject2, "src1");//$NON-NLS-1$
	fPack1 = fRoot1.createScriptFolder("pack1", true, null);//$NON-NLS-1$
	fPack2 = fRoot1.createScriptFolder("pack2", true, null);//$NON-NLS-1$
	fPack3 = fRoot1.createScriptFolder("pack3", true, null);//$NON-NLS-1$
	fPack4 = fRoot1.createScriptFolder("pack3/pack4", true, null);//$NON-NLS-1$
	fPack5 = fRoot1.createScriptFolder("pack3/pack5", true, null);//$NON-NLS-1$
	fPack6 = fRoot1.createScriptFolder("pack3/pack5/pack6", true, null);//$NON-NLS-1$

	fCU1 = fPack2.createSourceModule("Object.txt", "", true, null);//$NON-NLS-1$//$NON-NLS-2$
	fCU2 = fPack6.createSourceModule("Object.txt", "", true, null);//$NON-NLS-1$//$NON-NLS-2$
	fCU3 = fPack6.createSourceModule("Jen.txt", "", true, null);//$NON-NLS-1$//$NON-NLS-2$

	// set up the mock view
	setUpMockView();
	}

	public void setUpMockView() throws Exception {

	fWorkbench = PlatformUI.getWorkbench();
	assertNotNull(fWorkbench);

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

	// just testing to make sure my part can be created
	IViewPart myPart = new MockPluginView();
	assertNotNull(myPart);

	myPart = page
	.showView("org.eclipse.dltk.ui.tests.packageview.MockPluginView");//$NON-NLS-1$
	if (myPart instanceof MockPluginView) {
	fMyPart = (MockPluginView) myPart;
	fMyPart.setFolding(false);
	// above call might cause a property change event being sent
	fMyPart.fRefreshedObjects.clear();
	fProvider = (ITreeContentProvider) fMyPart.getTreeViewer()
	.getContentProvider();
	} else
	assertTrue("Unable to get view", false);//$NON-NLS-1$

	assertNotNull(fProvider);
	}

	@After
	public void tearDown() throws Exception {
	fArchiveFragmentRoot.close();

	ScriptProjectHelper.delete(fJProject1);
	ScriptProjectHelper.delete(fJProject2);
	page.hideView(fMyPart);

	if (fEnableAutoBuildAfterTesting)
	ScriptProjectHelper.setAutoBuilding(true);
	}

	/**
	* Method compareArrays. Both arrays must be of IScriptFolders or compare
	* will fail.
	*
	* @param children
	* @param expectedChildren
	* @return boolean
	*/
	private boolean compareArrays(Object[] children, Object[] expectedChildren) {
	if (children.length != expectedChildren.length)
	return false;
	for (int i = 0; i < children.length; i++) {
	Object child = children[i];
	if (child instanceof IModelElement) {
	IModelElement el = (IModelElement) child;
	if (!contains(el, expectedChildren))
	return false;
	} else if (child instanceof IResource) {
	IResource res = (IResource) child;
	if (!contains(res, expectedChildren)) {
	return false;
	}
	}
	}
	return true;
	}

	/**
	* Method contains.
	*
	* @param res
	* @param expectedChildren
	* @return boolean
	*/
	private boolean contains(IResource res, Object[] expectedChildren) {
	for (int i = 0; i < expectedChildren.length; i++) {
	Object object = expectedChildren[i];
	if (object instanceof IResource) {
	IResource expres = (IResource) object;
	if (expres.equals(res))
	return true;
	}
	}
	return false;
	}

	/**
	* Method contains.
	*
	* @param fragment
	* @param expectedChildren
	* @return boolean
	*/
	private boolean contains(IModelElement fragment, Object[] expectedChildren) {
	for (int i = 0; i < expectedChildren.length; i++) {
	Object object = expectedChildren[i];
	if (object instanceof IModelElement) {
	IModelElement expfrag = (IModelElement) object;
	if (expfrag.equals(fragment))
	return true;
	}
	}
	return false;
	}

	}