svgedit/test/history_test.html

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HTML

<!DOCTYPE html>
<html>
<head>
<link rel='stylesheet' href='qunit/qunit.css' type='text/css'/>
<script src='../editor/jquery.js'></script>
<script type='text/javascript' src='../editor/history.js'></script>
<script type='text/javascript' src='qunit/qunit.js'></script>
<script type='text/javascript'>
$(function() {
// Mocked out methods.
svgedit.transformlist = {};
svgedit.transformlist.removeElementFromListMap = function(elem) {};
svgedit.utilities = {};
svgedit.utilities.getHref = function(elem) { return '#foo'; };
svgedit.utilities.setHref = function(elem, val) {};
svgedit.utilities.getRotationAngle = function(elem) { return 0; };
// log function
QUnit.log = function(result, message) {
if (window.console && window.console.log) {
window.console.log(result +' :: '+ message);
}
};
var svgns = 'http://www.w3.org/2000/svg';
var svg = document.createElementNS(svgns, 'svg');
var undoMgr = null;
var divparent = document.getElementById('divparent');
var div1 = document.getElementById('div1');
var div2 = document.getElementById('div2');
var div3 = document.getElementById('div3');
var div4 = document.getElementById('div4');
var div5 = document.getElementById('div5');
module('svgedit.history');
var MockCommand = function(opt_text) {
this.text_ = opt_text;
};
MockCommand.prototype.apply = function() {
};
MockCommand.prototype.unapply = function() {
};
MockCommand.prototype.getText = function() {
return this.text_;
};
MockCommand.prototype.elements = function() {
return [];
};
var MockHistoryEventHandler = function() {
};
MockHistoryEventHandler.prototype.handleHistoryEvent = function(eventType, command) {
};
function setUp() {
undoMgr = new svgedit.history.UndoManager();
}
function tearDown() {
undoMgr = null;
}
test('Test svgedit.history package', function() {
expect(13);
ok(svgedit.history);
ok(svgedit.history.MoveElementCommand);
ok(svgedit.history.InsertElementCommand);
ok(svgedit.history.ChangeElementCommand);
ok(svgedit.history.RemoveElementCommand);
ok(svgedit.history.BatchCommand);
ok(svgedit.history.UndoManager);
equals(typeof svgedit.history.MoveElementCommand, typeof function(){});
equals(typeof svgedit.history.InsertElementCommand, typeof function(){});
equals(typeof svgedit.history.ChangeElementCommand, typeof function(){});
equals(typeof svgedit.history.RemoveElementCommand, typeof function(){});
equals(typeof svgedit.history.BatchCommand, typeof function(){});
equals(typeof svgedit.history.UndoManager, typeof function(){});
});
test('Test UndoManager methods', function() {
expect(14);
setUp();
ok(undoMgr);
ok(undoMgr.addCommandToHistory);
ok(undoMgr.getUndoStackSize);
ok(undoMgr.getRedoStackSize);
ok(undoMgr.resetUndoStack);
ok(undoMgr.getNextUndoCommandText);
ok(undoMgr.getNextRedoCommandText);
equals(typeof undoMgr, typeof {});
equals(typeof undoMgr.addCommandToHistory, typeof function(){});
equals(typeof undoMgr.getUndoStackSize, typeof function(){});
equals(typeof undoMgr.getRedoStackSize, typeof function(){});
equals(typeof undoMgr.resetUndoStack, typeof function(){});
equals(typeof undoMgr.getNextUndoCommandText, typeof function(){});
equals(typeof undoMgr.getNextRedoCommandText, typeof function(){});
tearDown();
});
test('Test UndoManager.addCommandToHistory() function', function() {
expect(3);
setUp();
equals(undoMgr.getUndoStackSize(), 0);
undoMgr.addCommandToHistory(new MockCommand());
equals(undoMgr.getUndoStackSize(), 1);
undoMgr.addCommandToHistory(new MockCommand());
equals(undoMgr.getUndoStackSize(), 2);
tearDown();
});
test('Test UndoManager.getUndoStackSize() and getRedoStackSize() functions', function() {
expect(18);
setUp();
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
equals(undoMgr.getUndoStackSize(), 3);
equals(undoMgr.getRedoStackSize(), 0);
undoMgr.undo();
equals(undoMgr.getUndoStackSize(), 2);
equals(undoMgr.getRedoStackSize(), 1);
undoMgr.undo();
equals(undoMgr.getUndoStackSize(), 1);
equals(undoMgr.getRedoStackSize(), 2);
undoMgr.undo();
equals(undoMgr.getUndoStackSize(), 0);
equals(undoMgr.getRedoStackSize(), 3);
undoMgr.undo();
equals(undoMgr.getUndoStackSize(), 0);
equals(undoMgr.getRedoStackSize(), 3);
undoMgr.redo();
equals(undoMgr.getUndoStackSize(), 1);
equals(undoMgr.getRedoStackSize(), 2);
undoMgr.redo();
equals(undoMgr.getUndoStackSize(), 2);
equals(undoMgr.getRedoStackSize(), 1);
undoMgr.redo();
equals(undoMgr.getUndoStackSize(), 3);
equals(undoMgr.getRedoStackSize(), 0);
undoMgr.redo();
equals(undoMgr.getUndoStackSize(), 3);
equals(undoMgr.getRedoStackSize(), 0);
tearDown();
});
test('Test UndoManager.resetUndoStackSize() function', function() {
expect(4);
setUp();
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.undo();
equals(undoMgr.getUndoStackSize(), 2);
equals(undoMgr.getRedoStackSize(), 1);
undoMgr.resetUndoStack();
equals(undoMgr.getUndoStackSize(), 0);
equals(undoMgr.getRedoStackSize(), 0);
tearDown();
});
test('Test UndoManager.getNextUndoCommandText() function', function() {
expect(9);
setUp();
equals(undoMgr.getNextUndoCommandText(), '');
undoMgr.addCommandToHistory(new MockCommand('First'));
undoMgr.addCommandToHistory(new MockCommand('Second'));
undoMgr.addCommandToHistory(new MockCommand('Third'));
equals(undoMgr.getNextUndoCommandText(), 'Third');
undoMgr.undo();
equals(undoMgr.getNextUndoCommandText(), 'Second');
undoMgr.undo();
equals(undoMgr.getNextUndoCommandText(), 'First');
undoMgr.undo();
equals(undoMgr.getNextUndoCommandText(), '');
undoMgr.redo();
equals(undoMgr.getNextUndoCommandText(), 'First');
undoMgr.redo();
equals(undoMgr.getNextUndoCommandText(), 'Second');
undoMgr.redo();
equals(undoMgr.getNextUndoCommandText(), 'Third');
undoMgr.redo();
equals(undoMgr.getNextUndoCommandText(), 'Third');
tearDown();
});
test('Test UndoManager.getNextRedoCommandText() function', function() {
expect(8);
setUp();
equals(undoMgr.getNextRedoCommandText(), '');
undoMgr.addCommandToHistory(new MockCommand('First'));
undoMgr.addCommandToHistory(new MockCommand('Second'));
undoMgr.addCommandToHistory(new MockCommand('Third'));
equals(undoMgr.getNextRedoCommandText(), '');
undoMgr.undo();
equals(undoMgr.getNextRedoCommandText(), 'Third');
undoMgr.undo();
equals(undoMgr.getNextRedoCommandText(), 'Second');
undoMgr.undo();
equals(undoMgr.getNextRedoCommandText(), 'First');
undoMgr.redo();
equals(undoMgr.getNextRedoCommandText(), 'Second');
undoMgr.redo();
equals(undoMgr.getNextRedoCommandText(), 'Third');
undoMgr.redo();
equals(undoMgr.getNextRedoCommandText(), '');
tearDown();
});
test('Test UndoManager.undo() and redo() functions', function() {
expect(10);
setUp();
var lastCalled = null;
var cmd1 = new MockCommand();
var cmd2 = new MockCommand();
var cmd3 = new MockCommand();
cmd1.apply = function() { lastCalled = 'cmd1.apply'; };
cmd2.apply = function() { lastCalled = 'cmd2.apply'; };
cmd3.apply = function() { lastCalled = 'cmd3.apply'; };
cmd1.unapply = function() { lastCalled = 'cmd1.unapply'; };
cmd2.unapply = function() { lastCalled = 'cmd2.unapply'; };
cmd3.unapply = function() { lastCalled = 'cmd3.unapply'; };
undoMgr.addCommandToHistory(cmd1);
undoMgr.addCommandToHistory(cmd2);
undoMgr.addCommandToHistory(cmd3);
ok(!lastCalled);
undoMgr.undo();
equals(lastCalled, 'cmd3.unapply');
undoMgr.redo();
equals(lastCalled, 'cmd3.apply');
undoMgr.undo();
undoMgr.undo();
equals(lastCalled, 'cmd2.unapply');
undoMgr.undo();
equals(lastCalled, 'cmd1.unapply');
lastCalled = null;
undoMgr.undo();
ok(!lastCalled);
undoMgr.redo();
equals(lastCalled, 'cmd1.apply');
undoMgr.redo();
equals(lastCalled, 'cmd2.apply');
undoMgr.redo();
equals(lastCalled, 'cmd3.apply');
lastCalled = null;
undoMgr.redo();
ok(!lastCalled);
tearDown();
});
test('Test MoveElementCommand', function() {
expect(26);
setUp();
var move = new svgedit.history.MoveElementCommand(div3, div1, divparent);
ok(move.unapply);
ok(move.apply);
equals(typeof move.unapply, typeof function(){});
equals(typeof move.apply, typeof function(){});
move.unapply();
equals(divparent.firstElementChild, div3);
equals(divparent.firstElementChild.nextElementSibling, div1);
equals(divparent.lastElementChild, div2);
move.apply();
equals(divparent.firstElementChild, div1);
equals(divparent.firstElementChild.nextElementSibling, div2);
equals(divparent.lastElementChild, div3);
move = new svgedit.history.MoveElementCommand(div1, null, divparent);
move.unapply();
equals(divparent.firstElementChild, div2);
equals(divparent.firstElementChild.nextElementSibling, div3);
equals(divparent.lastElementChild, div1);
move.apply();
equals(divparent.firstElementChild, div1);
equals(divparent.firstElementChild.nextElementSibling, div2);
equals(divparent.lastElementChild, div3);
move = new svgedit.history.MoveElementCommand(div2, div5, div4);
move.unapply();
equals(divparent.firstElementChild, div1);
equals(divparent.firstElementChild.nextElementSibling, div3);
equals(divparent.lastElementChild, div3);
equals(div4.firstElementChild, div2);
equals(div4.firstElementChild.nextElementSibling, div5);
move.apply();
equals(divparent.firstElementChild, div1);
equals(divparent.firstElementChild.nextElementSibling, div2);
equals(divparent.lastElementChild, div3);
equals(div4.firstElementChild, div5);
equals(div4.lastElementChild, div5);
tearDown();
});
test('Test InsertElementCommand', function() {
expect(20);
setUp();
var insert = new svgedit.history.InsertElementCommand(div3);
ok(insert.unapply);
ok(insert.apply);
equals(typeof insert.unapply, typeof function(){});
equals(typeof insert.apply, typeof function(){});
insert.unapply();
equals(divparent.childElementCount, 2);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div2);
equals(divparent.lastElementChild, div2);
insert.apply();
equals(divparent.childElementCount, 3);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div2);
equals(div2.nextElementSibling, div3);
insert = new svgedit.history.InsertElementCommand(div2);
insert.unapply();
equals(divparent.childElementCount, 2);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div3);
equals(divparent.lastElementChild, div3);
insert.apply();
equals(divparent.childElementCount, 3);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div2);
equals(div2.nextElementSibling, div3);
tearDown();
});
test('Test RemoveElementCommand', function() {
expect(22);
setUp();
var div6 = document.createElement('div');
div6.id = 'div6';
var remove = new svgedit.history.RemoveElementCommand(div6, null, divparent);
ok(remove.unapply);
ok(remove.apply);
equals(typeof remove.unapply, typeof function(){});
equals(typeof remove.apply, typeof function(){});
remove.unapply();
equals(divparent.childElementCount, 4);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div2);
equals(div2.nextElementSibling, div3);
equals(div3.nextElementSibling, div6);
remove.apply();
equals(divparent.childElementCount, 3);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div2);
equals(div2.nextElementSibling, div3);
remove = new svgedit.history.RemoveElementCommand(div6, div2, divparent);
remove.unapply();
equals(divparent.childElementCount, 4);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div6);
equals(div6.nextElementSibling, div2);
equals(div2.nextElementSibling, div3);
remove.apply();
equals(divparent.childElementCount, 3);
equals(divparent.firstElementChild, div1);
equals(div1.nextElementSibling, div2);
equals(div2.nextElementSibling, div3);
tearDown();
});
test('Test ChangeElementCommand', function() {
expect(20);
setUp();
div1.setAttribute('title', 'new title');
var change = new svgedit.history.ChangeElementCommand(div1,
{'title': 'old title', 'class': 'foo'});
ok(change.unapply);
ok(change.apply);
equals(typeof change.unapply, typeof function(){});
equals(typeof change.apply, typeof function(){});
change.unapply();
equals(div1.getAttribute('title'), 'old title');
equals(div1.getAttribute('class'), 'foo');
change.apply();
equals(div1.getAttribute('title'), 'new title');
ok(!div1.getAttribute('class'));
div1.textContent = 'inner text';
change = new svgedit.history.ChangeElementCommand(div1,
{'#text': null});
change.unapply();
ok(!div1.textContent);
change.apply();
equals(div1.textContent, 'inner text');
div1.textContent = '';
change = new svgedit.history.ChangeElementCommand(div1,
{'#text': 'old text'});
change.unapply();
equals(div1.textContent, 'old text');
change.apply();
ok(!div1.textContent);
// TODO(codedread): Refactor this #href stuff in history.js and svgcanvas.js
var rect = document.createElementNS(svgns, 'rect');
var justCalled = null;
var gethrefvalue = null;
var sethrefvalue = null;
svgedit.utilities.getHref = function(elem) {
equals(elem, rect);
justCalled = 'getHref';
return gethrefvalue;
};
svgedit.utilities.setHref = function(elem, val) {
equals(elem, rect);
equals(val, sethrefvalue);
justCalled = 'setHref';
};
gethrefvalue = '#newhref';
change = new svgedit.history.ChangeElementCommand(rect,
{'#href': '#oldhref'});
equals(justCalled, 'getHref');
justCalled = null;
sethrefvalue = '#oldhref';
change.unapply();
equals(justCalled, 'setHref');
justCalled = null;
sethrefvalue = '#newhref';
change.apply();
equals(justCalled, 'setHref');
tearDown();
});
});
</script>
</head>
<body>
<h1 id='qunit-header'>Unit Tests for history.js</h1>
<h2 id='qunit-banner'></h2>
<h2 id='qunit-userAgent'></h2>
<ol id='qunit-tests'>
</ol>
<div id='divparent' style='visibility:hidden'>
<div id='div1'></div>
<div id='div2'></div>
<div id='div3'></div>
</div>
<div id='div4' style='visibility:hidden'>
<div id='div5'></div>
</div>
</body>
</html>