Add some tests for history.js. Update History commands for getText() function
git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1865 eee81c28-f429-11dd-99c0-75d572ba1dddmaster
Jeff Schiller
parent
4a133d490d
commit
4a514ee231
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@ -41,7 +41,9 @@ var removedElements = {};
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* void apply();
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* void unapply();
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* Element[] elements();
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* static type();
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* String getText();
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*
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* static String type();
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* }
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*/
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@ -53,8 +55,8 @@ var removedElements = {};
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// elem - The DOM element that was moved
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// oldNextSibling - The element's next sibling before it was moved
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// oldParent - The element's parent before it was moved
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// opt_desc - An optional string visible to user related to this change
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svgedit.history.MoveElementCommand = function(elem, oldNextSibling, oldParent, opt_desc) {
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// text - An optional string visible to user related to this change
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svgedit.history.MoveElementCommand = function(elem, oldNextSibling, oldParent, text) {
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this.elem = elem;
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this.text = text ? ("Move " + elem.tagName + " to " + text) : ("Move " + elem.tagName);
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this.oldNextSibling = oldNextSibling;
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@ -65,6 +67,11 @@ svgedit.history.MoveElementCommand = function(elem, oldNextSibling, oldParent, o
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svgedit.history.MoveElementCommand.type = function() { return 'svgedit.history.MoveElementCommand'; }
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svgedit.history.MoveElementCommand.prototype.type = svgedit.history.MoveElementCommand.type;
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// Function: svgedit.history.MoveElementCommand.getText
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svgedit.history.MoveElementCommand.prototype.getText = function() {
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return this.text;
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};
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// Function: svgedit.history.MoveElementCommand.apply
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// Re-positions the element
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svgedit.history.MoveElementCommand.prototype.apply = function() {
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@ -99,6 +106,11 @@ svgedit.history.InsertElementCommand = function(elem, text) {
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svgedit.history.InsertElementCommand.type = function() { return 'svgedit.history.InsertElementCommand'; }
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svgedit.history.InsertElementCommand.prototype.type = svgedit.history.InsertElementCommand.type;
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// Function: svgedit.history.InsertElementCommand.getText
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svgedit.history.InsertElementCommand.prototype.getText = function() {
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return this.text;
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};
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// Function: svgedit.history.InsertElementCommand.apply
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// Re-Inserts the new element
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svgedit.history.InsertElementCommand.prototype.apply = function() {
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@ -138,6 +150,11 @@ svgedit.history.RemoveElementCommand = function(elem, parent, text) {
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svgedit.history.RemoveElementCommand.type = function() { return 'svgedit.history.RemoveElementCommand'; }
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svgedit.history.RemoveElementCommand.prototype.type = svgedit.history.RemoveElementCommand.type;
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// Function: svgedit.history.RemoveElementCommand.getText
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svgedit.history.RemoveElementCommand.prototype.getText = function() {
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return this.text;
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};
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// Function: RemoveElementCommand.apply
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// Re-removes the new element
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svgedit.history.RemoveElementCommand.prototype.apply = function() {
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@ -185,6 +202,11 @@ svgedit.history.ChangeElementCommand = function(elem, attrs, text) {
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svgedit.history.ChangeElementCommand.type = function() { return 'svgedit.history.ChangeElementCommand'; }
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svgedit.history.ChangeElementCommand.prototype.type = svgedit.history.ChangeElementCommand.type;
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// Function: svgedit.history.ChangeElementCommand.getText
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svgedit.history.ChangeElementCommand.prototype.getText = function() {
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return this.text;
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};
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// Function: svgedit.history.ChangeElementCommand.apply
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// Performs the stored change action
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svgedit.history.ChangeElementCommand.prototype.apply = function() {
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@ -283,6 +305,11 @@ svgedit.history.BatchCommand = function(text) {
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svgedit.history.BatchCommand.type = function() { return 'svgedit.history.BatchCommand'; }
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svgedit.history.BatchCommand.prototype.type = svgedit.history.BatchCommand.type;
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// Function: svgedit.history.BatchCommand.getText
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svgedit.history.BatchCommand.prototype.getText = function() {
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return this.text;
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};
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// Function: svgedit.history.BatchCommand.apply
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// Runs "apply" on all subcommands
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svgedit.history.BatchCommand.prototype.apply = function() {
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@ -348,7 +375,7 @@ svgedit.history.BatchCommand.prototype.isEmpty = function() {
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// historyEventHandler - an object that conforms to the HistoryEventHandler interface
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// (see above)
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svgedit.history.UndoManager = function(historyEventHandler) {
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this.handler_ = historyEventHandler;
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this.handler_ = historyEventHandler || null;
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this.undoStackPointer = 0;
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this.undoStack = [];
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@ -383,14 +410,14 @@ svgedit.history.UndoManager.prototype.getRedoStackSize = function() {
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// Returns:
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// String associated with the next undo command
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svgedit.history.UndoManager.prototype.getNextUndoCommandText = function() {
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return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer-1].text : "";
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return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer-1].getText() : "";
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};
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// Function: svgedit.history.UndoManager.getNextRedoCommandText
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// Returns:
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// String associated with the next redo command
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svgedit.history.UndoManager.prototype.getNextRedoCommandText = function() {
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return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].text : "";
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return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : "";
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};
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// Function: svgedit.history.UndoManager.undo
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@ -399,12 +426,16 @@ svgedit.history.UndoManager.prototype.undo = function() {
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if (this.undoStackPointer > 0) {
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var cmd = this.undoStack[--this.undoStackPointer];
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if (this.handler_ != null) {
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this.handler_.handleHistoryEvent(svgedit.history.HistoryEventTypes.BEFORE_UNAPPLY, cmd);
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}
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cmd.unapply();
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if (this.handler_ != null) {
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this.handler_.handleHistoryEvent(svgedit.history.HistoryEventTypes.AFTER_UNAPPLY, cmd);
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}
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}
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};
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// Function: svgedit.history.UndoManager.redo
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@ -413,12 +444,16 @@ svgedit.history.UndoManager.prototype.redo = function() {
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if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
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var cmd = this.undoStack[this.undoStackPointer++];
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if (this.handler_ != null) {
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this.handler_.handleHistoryEvent(svgedit.history.HistoryEventTypes.BEFORE_APPLY, cmd);
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}
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cmd.apply();
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if (this.handler_ != null) {
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this.handler_.handleHistoryEvent(svgedit.history.HistoryEventTypes.AFTER_APPLY, cmd);
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}
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}
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};
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// Function: svgedit.history.UndoManager.addCommandToHistory
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@ -18,9 +18,36 @@
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var svgns = 'http://www.w3.org/2000/svg';
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var svg = document.createElementNS(svgns, 'svg');
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var undoMgr = null;
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module('svgedit.history Module');
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var MockCommand = function(opt_text) {
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this.text_ = opt_text;
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};
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MockCommand.prototype.apply = function() {
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};
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MockCommand.prototype.unapply = function() {
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};
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MockCommand.prototype.getText = function() {
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return this.text_;
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};
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MockCommand.prototype.elements = function() {
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return [];
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};
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var MockHistoryEventHandler = function() {
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};
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MockHistoryEventHandler.prototype.handleHistoryEvent = function(eventType, command) {
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};
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function setUp() {
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undoMgr = new svgedit.history.UndoManager();
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}
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function tearDown() {
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undoMgr = null;
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}
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test('Test svgedit.history package', function() {
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expect(13);
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@ -38,6 +65,183 @@
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equals(typeof svgedit.history.BatchCommand, typeof function(){});
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equals(typeof svgedit.history.UndoManager, typeof function(){});
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});
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test('Test UndoManager methods', function() {
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expect(14);
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setUp();
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ok(undoMgr);
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ok(undoMgr.addCommandToHistory);
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ok(undoMgr.getUndoStackSize);
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ok(undoMgr.getRedoStackSize);
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ok(undoMgr.resetUndoStack);
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ok(undoMgr.getNextUndoCommandText);
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ok(undoMgr.getNextRedoCommandText);
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equals(typeof undoMgr, typeof {});
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equals(typeof undoMgr.addCommandToHistory, typeof function(){});
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equals(typeof undoMgr.getUndoStackSize, typeof function(){});
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equals(typeof undoMgr.getRedoStackSize, typeof function(){});
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equals(typeof undoMgr.resetUndoStack, typeof function(){});
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equals(typeof undoMgr.getNextUndoCommandText, typeof function(){});
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equals(typeof undoMgr.getNextRedoCommandText, typeof function(){});
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tearDown();
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});
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test('Test UndoManager.addCommandToHistory() function', function() {
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expect(3);
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setUp();
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equals(undoMgr.getUndoStackSize(), 0);
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undoMgr.addCommandToHistory(new MockCommand());
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equals(undoMgr.getUndoStackSize(), 1);
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undoMgr.addCommandToHistory(new MockCommand());
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equals(undoMgr.getUndoStackSize(), 2);
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tearDown();
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});
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test('Test UndoManager.getUndoStackSize() and getRedoStackSize() functions', function() {
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expect(18);
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setUp();
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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equals(undoMgr.getUndoStackSize(), 3);
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equals(undoMgr.getRedoStackSize(), 0);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 2);
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equals(undoMgr.getRedoStackSize(), 1);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 1);
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equals(undoMgr.getRedoStackSize(), 2);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 0);
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equals(undoMgr.getRedoStackSize(), 3);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 0);
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equals(undoMgr.getRedoStackSize(), 3);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 1);
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equals(undoMgr.getRedoStackSize(), 2);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 2);
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equals(undoMgr.getRedoStackSize(), 1);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 3);
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equals(undoMgr.getRedoStackSize(), 0);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 3);
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equals(undoMgr.getRedoStackSize(), 0);
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tearDown();
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});
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test('Test UndoManager.resetUndoStackSize() function', function() {
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expect(4);
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setUp();
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 2);
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equals(undoMgr.getRedoStackSize(), 1);
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undoMgr.resetUndoStack();
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equals(undoMgr.getUndoStackSize(), 0);
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equals(undoMgr.getRedoStackSize(), 0);
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tearDown();
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});
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test('Test UndoManager.getNextUndoCommandText() function', function() {
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expect(9);
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setUp();
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equals(undoMgr.getNextUndoCommandText(), '');
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undoMgr.addCommandToHistory(new MockCommand('First'));
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undoMgr.addCommandToHistory(new MockCommand('Second'));
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undoMgr.addCommandToHistory(new MockCommand('Third'));
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equals(undoMgr.getNextUndoCommandText(), 'Third');
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undoMgr.undo();
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equals(undoMgr.getNextUndoCommandText(), 'Second');
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undoMgr.undo();
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equals(undoMgr.getNextUndoCommandText(), 'First');
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undoMgr.undo();
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equals(undoMgr.getNextUndoCommandText(), '');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'First');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'Second');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'Third');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'Third');
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tearDown();
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});
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test('Test UndoManager.getNextRedoCommandText() function', function() {
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expect(8);
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setUp();
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equals(undoMgr.getNextRedoCommandText(), '');
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undoMgr.addCommandToHistory(new MockCommand('First'));
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undoMgr.addCommandToHistory(new MockCommand('Second'));
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undoMgr.addCommandToHistory(new MockCommand('Third'));
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equals(undoMgr.getNextRedoCommandText(), '');
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undoMgr.undo();
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equals(undoMgr.getNextRedoCommandText(), 'Third');
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undoMgr.undo();
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equals(undoMgr.getNextRedoCommandText(), 'Second');
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undoMgr.undo();
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equals(undoMgr.getNextRedoCommandText(), 'First');
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undoMgr.redo();
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equals(undoMgr.getNextRedoCommandText(), 'Second');
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undoMgr.redo();
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equals(undoMgr.getNextRedoCommandText(), 'Third');
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undoMgr.redo();
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equals(undoMgr.getNextRedoCommandText(), '');
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tearDown();
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});
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});
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</script>
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</head>
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