| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.waveprotocol.wave.client.editor.undo; |
| |
| import org.waveprotocol.wave.client.editor.EditorUndoManager; |
| import org.waveprotocol.wave.client.editor.EditorUndoManagerImpl; |
| import org.waveprotocol.wave.client.editor.Responsibility; |
| import org.waveprotocol.wave.client.editor.ResponsibilityManagerImpl; |
| import org.waveprotocol.wave.client.editor.testing.DocumentFreeSelectionHelper; |
| import org.waveprotocol.wave.model.undo.UndoManagerFactory; |
| import org.waveprotocol.wave.model.document.util.DocProviders; |
| |
| import junit.framework.TestCase; |
| |
| import org.waveprotocol.wave.model.document.indexed.IndexedDocument; |
| import org.waveprotocol.wave.model.document.operation.DocOp; |
| import org.waveprotocol.wave.model.document.operation.impl.DocOpBuilder; |
| import org.waveprotocol.wave.model.document.raw.impl.Element; |
| import org.waveprotocol.wave.model.document.raw.impl.Node; |
| import org.waveprotocol.wave.model.document.raw.impl.Text; |
| import org.waveprotocol.wave.model.document.util.FocusedRange; |
| import org.waveprotocol.wave.model.document.util.XmlStringBuilder; |
| import org.waveprotocol.wave.model.operation.OperationException; |
| import org.waveprotocol.wave.model.operation.SilentOperationSink; |
| |
| |
| public class EditorUndoManagerImplTest extends TestCase { |
| IndexedDocument<Node, Element, Text> doc; |
| SilentOperationSink<DocOp> silentOperationSink; |
| DocumentFreeSelectionHelper selectionHelper; |
| EditorUndoManager undoManager; |
| Responsibility.Manager responsibility; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| doc = DocProviders.POJO.parse("<doc>hello</doc>"); |
| silentOperationSink = |
| new SilentOperationSink<DocOp>() { |
| public void consume(DocOp op) { |
| try { |
| doc.consume(op); |
| } catch (OperationException e) { |
| e.printStackTrace(); |
| throw new RuntimeException(e); |
| } |
| } |
| }; |
| |
| selectionHelper = new DocumentFreeSelectionHelper(0, 0); |
| responsibility = new ResponsibilityManagerImpl(); |
| undoManager = |
| new EditorUndoManagerImpl(UndoManagerFactory.createUndoManager(), |
| silentOperationSink, selectionHelper); |
| } |
| |
| public void testSimpleUndo() { |
| undoManager.maybeCheckpoint(1, 1); |
| responsibility.startDirectSequence(); |
| insert(1, 7); |
| responsibility.endDirectSequence(); |
| undoManager.undo(); |
| assertTrue(selectionHelper.getSelectionRange().equals(new FocusedRange(1, 1))); |
| assertEquals(XmlStringBuilder.innerXml(doc).toString(), "<doc>hello</doc>"); |
| } |
| |
| public void testMultipleSimpleUndo() { |
| responsibility.startDirectSequence(); |
| undoManager.maybeCheckpoint(1, 1); |
| insert(1, 7); |
| undoManager.maybeCheckpoint(2, 2); |
| insert(2, 8); |
| responsibility.endDirectSequence(); |
| |
| undoManager.undo(); |
| assertTrue(selectionHelper.getSelectionRange().equals(new FocusedRange(2, 2))); |
| assertEquals(XmlStringBuilder.innerXml(doc).toString(), "<doc>ahello</doc>"); |
| |
| undoManager.undo(); |
| assertTrue(selectionHelper.getSelectionRange().equals(new FocusedRange(1, 1))); |
| assertEquals(XmlStringBuilder.innerXml(doc).toString(), "<doc>hello</doc>"); |
| } |
| |
| public void testMultipleSimpleUndo2() { |
| responsibility.startDirectSequence(); |
| undoManager.maybeCheckpoint(1, 1); |
| insert(1, 7); |
| undoManager.maybeCheckpoint(2, 2); |
| insert(2, 8); |
| responsibility.endDirectSequence(); |
| |
| undoManager.undo(); |
| assertTrue(selectionHelper.getSelectionRange().equals(new FocusedRange(2, 2))); |
| assertEquals(XmlStringBuilder.innerXml(doc).toString(), "<doc>ahello</doc>"); |
| |
| undoManager.undo(); |
| assertTrue(selectionHelper.getSelectionRange().equals(new FocusedRange(1, 1))); |
| assertEquals(XmlStringBuilder.innerXml(doc).toString(), "<doc>hello</doc>"); |
| } |
| |
| public void testMutlipleUndoComplex() { |
| responsibility.startDirectSequence(); |
| undoManager.maybeCheckpoint(1, 1); |
| insert(1, 7); |
| undoManager.maybeCheckpoint(2, 2); |
| insert(2, 8); |
| |
| undoManager.undo(); |
| assertEquals(new FocusedRange(2, 2), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>ahello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| |
| undoManager.maybeCheckpoint(3, 4); |
| insert(3, 8); |
| |
| undoManager.undo(); |
| assertEquals(new FocusedRange(3, 4), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>ahello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| |
| undoManager.undo(); |
| assertEquals(new FocusedRange(1, 1), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>hello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| |
| responsibility.endDirectSequence(); |
| } |
| |
| public void testUndoWithNoCheckpoints() { |
| undoManager.undo(); |
| assertEquals(new FocusedRange(0, 0), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>hello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| } |
| |
| public void testUndoWithNoSelection() { |
| responsibility.startDirectSequence(); |
| selectionHelper.setSelectionRange(null); |
| undoManager.maybeCheckpoint(); |
| insert(1, 7); |
| undoManager.undo(); |
| assertEquals(null, selectionHelper.getSelectionRange()); |
| assertEquals("<doc>hello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| responsibility.endDirectSequence(); |
| } |
| |
| public void testUndoWithNonUndoableOps() { |
| insert(2, 7); |
| |
| responsibility.startDirectSequence(); |
| undoManager.maybeCheckpoint(); |
| insert(5, 8); |
| responsibility.endDirectSequence(); |
| |
| insert(3, 9); |
| |
| undoManager.undo(); |
| |
| assertEquals(new FocusedRange(0), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>haaello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| } |
| |
| |
| public void testUndoRedoSequence() { |
| responsibility.startDirectSequence(); |
| undoManager.maybeCheckpoint(1, 1); |
| insert(1, 7); |
| undoManager.maybeCheckpoint(2, 2); |
| insert(2, 8); |
| |
| FocusedRange oldSelection = selectionHelper.getSelectionRange(); |
| undoManager.undo(); |
| assertEquals(new FocusedRange(2, 2), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>ahello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| |
| undoManager.redo(); |
| assertEquals(oldSelection, selectionHelper.getSelectionRange()); |
| assertEquals("<doc>aahello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| |
| selectionHelper.setSelectionRange(new FocusedRange(5)); |
| undoManager.undo(); |
| assertEquals(new FocusedRange(2, 2), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>ahello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| responsibility.endDirectSequence(); |
| |
| insert(1, 8); |
| |
| undoManager.redo(); |
| assertEquals(new FocusedRange(6), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>aaahello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| |
| undoManager.redo(); |
| assertEquals(new FocusedRange(6), selectionHelper.getSelectionRange()); |
| assertEquals("<doc>aaahello</doc>", XmlStringBuilder.innerXml(doc).toString()); |
| } |
| |
| private void insert(int location, int size) { |
| DocOp op = new DocOpBuilder() |
| .retain(location) |
| .characters("a") |
| .retain(size - location) |
| .build(); |
| silentOperationSink.consume(op); |
| if (responsibility.withinDirectSequence()) { |
| undoManager.undoableOp(op); |
| } else { |
| undoManager.nonUndoableOp(op); |
| } |
| } |
| } |