| /******************************************************************************* |
| * Copyright (c) 2009 Wind River Systems 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: |
| * Wind River Systems - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipe.debug.tests.viewer.model; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipe.debug.tests.viewer.model.TestModel.TestElement; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.debug.internal.ui.viewers.model.ITreeModelViewer; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta; |
| import org.eclipse.jface.viewers.TreePath; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Tests to verify that the viewer property updates following changes in the |
| * model, following simple content update deltas from the model. |
| * |
| * @since 3.6 |
| */ |
| abstract public class UpdateTests extends TestCase implements ITestModelUpdatesListenerConstants { |
| Display fDisplay; |
| Shell fShell; |
| ITreeModelViewer fViewer; |
| TestModelUpdatesListener fListener; |
| |
| public UpdateTests(String name) { |
| super(name); |
| } |
| |
| /** |
| * @throws java.lang.Exception |
| */ |
| protected void setUp() throws Exception { |
| fDisplay = PlatformUI.getWorkbench().getDisplay(); |
| fShell = new Shell(fDisplay/*, SWT.ON_TOP | SWT.SHELL_TRIM*/); |
| fShell.setMaximized(true); |
| fShell.setLayout(new FillLayout()); |
| |
| fViewer = createViewer(fDisplay, fShell); |
| |
| fListener = new TestModelUpdatesListener(fViewer, false, false); |
| |
| fShell.open (); |
| } |
| |
| abstract protected ITreeModelViewer createViewer(Display display, Shell shell); |
| |
| /** |
| * @throws java.lang.Exception |
| */ |
| protected void tearDown() throws Exception { |
| fListener.dispose(); |
| fViewer.getPresentationContext().dispose(); |
| |
| // Close the shell and exit. |
| fShell.close(); |
| while (!fShell.isDisposed()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| } |
| |
| protected void runTest() throws Throwable { |
| try { |
| super.runTest(); |
| } catch (Throwable t) { |
| throw new ExecutionException("Test failed: " + t.getMessage() + "\n fListener = " + fListener.toString(), t); |
| } |
| } |
| |
| /** |
| * This test: |
| * - creates a simple model |
| * - replaces the list of elements with a shorter list of elements |
| * - refreshes the viewer |
| */ |
| public void testRemoveElements() { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Update the model |
| TestElement root = model.getRootElement(); |
| TreePath rootPath = new TreePath(new Object[] {}); |
| TestElement[] newElements = new TestElement[] { |
| new TestElement(model, "1", new TestElement[0]), |
| new TestElement(model, "2", new TestElement[0]), |
| new TestElement(model, "3", new TestElement[0]), |
| }; |
| model.setElementChildren(rootPath, newElements); |
| |
| // Reset the listener to NOT fail on redundant updates. |
| // When elements are remvoed from the model and the model is |
| // refreshed the viewer will issue an IChildrenUpdate for the |
| // missing elements as an optimization. |
| fListener.reset(rootPath, root, -1, false, false); |
| |
| model.postDelta(new ModelDelta(root, IModelDelta.CONTENT)); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } |
| |
| /** |
| * This test: |
| * - creates a simple model |
| * - sets a list of children to one of the elements |
| * - refreshes the viewer |
| */ |
| public void testAddNewChildren() { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Update the model |
| TestElement element = model.getRootElement().getChildren()[0]; |
| TreePath elementPath = new TreePath(new Object[] { element }); |
| TestElement[] newChildren = new TestElement[] { |
| new TestElement(model, "1.1", new TestElement[0]), |
| new TestElement(model, "1.2", new TestElement[0]), |
| new TestElement(model, "1.3", new TestElement[0]), |
| }; |
| model.setElementChildren(elementPath, newChildren); |
| |
| // Reset the viewer to ignore redundant updates. The '1' element |
| // will be updated for "hasChildren" before it is expanded, which is |
| // expected. |
| TreePath rootPath = TreePath.EMPTY; |
| TestElement rootElement = model.getRootElement(); |
| fListener.reset(rootPath, rootElement, -1, false, false); |
| |
| // Refresh the viewer |
| model.postDelta(new ModelDelta(rootElement, IModelDelta.CONTENT)); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } |
| |
| |
| private void removeElement(TestModel model, int index, boolean validate) { |
| ModelDelta delta = model.removeElementChild(TreePath.EMPTY, index); |
| |
| // Remove delta should generate no new updates, but we still need to wait for the event to |
| // be processed. |
| fListener.reset(); |
| model.postDelta(delta); |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| if (validate) { |
| model.validateData(fViewer, TreePath.EMPTY); |
| } |
| } |
| |
| private void addElement(TestModel model, String label, int position, boolean validate) { |
| ModelDelta delta = model.addElementChild(TreePath.EMPTY, position, new TestElement(model, label, new TestElement[0])); |
| |
| // Remove delta should generate no new updates, but we still need to wait for the event to |
| // be processed. |
| fListener.reset(); |
| model.postDelta(delta); |
| |
| if (validate) { |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_UPDATES_COMPLETE | LABEL_UPDATES_COMPLETE)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } else { |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| } |
| } |
| |
| private void insertElement(TestModel model, String label, int position, boolean validate) { |
| ModelDelta delta = model.insertElementChild(TreePath.EMPTY, position, new TestElement(model, label, new TestElement[0])); |
| |
| // Remove delta should generate no new updates, but we still need to wait for the event to |
| // be processed. |
| fListener.reset(); |
| model.postDelta(delta); |
| |
| if (validate) { |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_UPDATES_COMPLETE | LABEL_UPDATES_COMPLETE)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } else { |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| } |
| } |
| |
| public void testRepeatedAddRemoveElement() { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Update the model |
| removeElement(model, 2, true); |
| addElement(model, "3-new", 3, true); |
| removeElement(model, 4, true); |
| addElement(model, "5-new", 5, true); |
| removeElement(model, 1, true); |
| addElement(model, "1-new", 1, true); |
| removeElement(model, 3, true); |
| addElement(model, "4-new", 4, true); |
| } |
| |
| |
| /** |
| * This test case attempts to create a race condition between processing |
| * of the content updates and processing of add/remove model deltas. |
| * <br> |
| * See <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=304066">bug 304066</a> |
| */ |
| public void _X_testContentPlusAddRemoveUpdateRaceConditionsElement() { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Create a listener to listen only to a children count update for the root. |
| TestModelUpdatesListener childrenCountUpdateListener = new TestModelUpdatesListener(fViewer, false, false); |
| |
| for (int i = 0; i < 10; i++) { |
| String pass = "pass #" + i; |
| |
| // Request a content update for view |
| childrenCountUpdateListener.reset(); |
| childrenCountUpdateListener.addChildreCountUpdate(TreePath.EMPTY); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| // Wait until the delta is processed |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| removeElement(model, 5, false); |
| removeElement(model, 4, false); |
| removeElement(model, 3, false); |
| removeElement(model, 2, false); |
| removeElement(model, 1, false); |
| removeElement(model, 0, false); |
| |
| // Wait until the children count update is completed using the count from |
| // before elements were removed. |
| while (!childrenCountUpdateListener.isFinished(CHILD_COUNT_UPDATES)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| insertElement(model, "1 - " + pass, 0, false); |
| insertElement(model, "2 - " + pass, 1, false); |
| insertElement(model, "3 - " + pass, 2, false); |
| insertElement(model, "4 - " + pass, 3, false); |
| insertElement(model, "5 - " + pass, 4, false); |
| insertElement(model, "6 - " + pass, 5, false); |
| |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| } |
| |
| childrenCountUpdateListener.dispose(); |
| } |
| |
| |
| /** |
| * This test forces the viewer to reschedule pending content updates |
| * due to a remove event from the model. |
| * @see org.eclipse.debug.internal.ui.viewers.model.ModelContentProvider#rescheduleUpdates |
| */ |
| public void testRescheduleUpdates() { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| for (int i = 0; i < 5; i++) { |
| // Refresh the viewer so that updates are generated. |
| TestElement rootElement = model.getRootElement(); |
| fListener.reset(); |
| fListener.addUpdates(TreePath.EMPTY, model.getRootElement(), 1, CHILD_COUNT_UPDATES); |
| model.postDelta(new ModelDelta(rootElement, IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed. |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES)) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Update the model |
| removeElement(model, 0, true); |
| addElement(model, "1", 0, true); |
| } |
| } |
| |
| |
| } |