6 ], function(chai, sinon, _, smartxml) {
10 /* global describe, it, beforeEach, Node, DOMParser */
12 var expect = chai.expect;
15 var getDocumentFromXML = function(xml) {
16 return smartxml.documentFromXML(xml);
19 var elementNodeFromParams = function(params) {
20 return smartxml.elementNodeFromXML('<' + params.tag + '></' + params.tag + '>');
23 var elementNodeFromXML = function(xml) {
24 return smartxml.elementNodeFromXML(xml);
28 describe('smartxml', function() {
30 describe('Basic Document properties', function() {
31 it('exposes its root element', function() {
32 var doc = getDocumentFromXML('<div></div>');
33 expect(doc.root.getTagName()).to.equal('div');
36 it('can resets its content entirely', function() {
37 var doc = getDocumentFromXML('<div></div>');
39 expect(doc.root.getTagName()).to.equal('div');
41 doc.loadXML('<header></header>');
42 expect(doc.root.getTagName()).to.equal('header');
45 it('knows if it contains an ElementNode in its tree', function() {
46 var doc = getDocumentFromXML('<root><a></a>text</root>'),
48 a = root.contents()[0],
49 text = root.contents()[1];
51 expect(doc.containsNode(root)).to.equal(true, 'contains its root');
52 expect(doc.containsNode(a)).to.equal(true, 'contains Element Node');
53 expect(doc.containsNode(text)).to.equal(true, 'contains Text Node');
56 it('creates text nodes', function() {
57 var doc = getDocumentFromXML('<div></div>'),
58 emptyTextNode = doc.createDocumentNode({text:''}),
59 nonEmptyTextNode = doc.createDocumentNode({text: 'alice'});
60 expect(emptyTextNode.getText()).to.equal('', 'empty ok');
61 expect(nonEmptyTextNode.getText()).to.equal('alice', 'non empty ok');
64 it('creates nodes from xml strings', function() {
65 var doc = getDocumentFromXML('<div></div>'),
66 node = doc.createDocumentNode('<a>Alice<b></b></a>');
67 expect(node.getTagName()).to.equal('a');
68 expect(node.contents().length).to.equal(2);
69 expect(node.contents()[0].getText()).to.equal('Alice');
70 expect(node.contents()[1].getTagName()).to.equal('b');
74 describe('DocumentNode', function() {
75 it('can be cloned', function() {
76 var doc = getDocumentFromXML('<div>Alice</div>'),
77 text = doc.root.contents()[0],
80 [doc.root, text].forEach(function(node) {
81 suffix = ' (' + (node.nodeType === Node.TEXT_NODE ? 'text' : 'element') + ')';
83 expect(doc.containsNode(clone)).to.equal(false, 'clone is not contained in a document' + suffix);
84 expect(node.sameNode(clone)).to.equal(false, 'clone is not same node as its originator' + suffix);
85 expect(node.nativeNode.isEqualNode(clone.nativeNode)).to.equal(true, 'clone is identical as its originator' + suffix);
89 it('can be cloned with its contents and its contents data', function() {
90 var doc = getDocumentFromXML('<root><div></div></root>'),
92 div = root.contents()[0];
94 var ClonableObject = function(arg) {
97 ClonableObject.prototype.clone = function() {
98 return new ClonableObject(this.arg);
101 div.setData('key', 'value');
102 div.setData('clonableObject', new ClonableObject('test'));
104 var rootClone = root.clone(),
105 divClone = rootClone.contents()[0],
106 stringClone = divClone.getData('key'),
107 objClone = divClone.getData('clonableObject');
109 expect(stringClone).to.equal('value');
110 expect(objClone.arg).to.equal('test', 'clonable object got copied');
111 expect(objClone !== div.getData('clonableObject')).to.be.equal(true, 'copy of the clonable object is a new object');
114 it('knows its path in the document tree', function() {
115 var doc = getDocumentFromXML('<root><a><b><c></c>text</b></a></root>'),
117 a = root.contents()[0],
119 text = b.contents()[1];
121 expect(root.getPath()).to.eql([], 'path of the root element is empty');
122 expect(a.getPath()).to.eql([0]);
123 expect(b.getPath()).to.eql([0, 0]);
124 expect(text.getPath()).to.eql([0,0,1]);
126 /* Paths relative to a given ancestor */
127 expect(text.getPath(root)).to.eql([0,0,1]);
128 expect(text.getPath(a)).to.eql([0,1]);
129 expect(text.getPath(b)).to.eql([1]);
133 describe('Basic ElementNode properties', function() {
134 it('exposes node contents', function() {
135 var node = elementNodeFromXML('<node>Some<node>text</node>is here</node>'),
136 contents = node.contents();
138 expect(contents).to.have.length(3);
139 expect(contents[0].nodeType).to.equal(Node.TEXT_NODE, 'text node 1');
140 expect(contents[1].nodeType).to.equal(Node.ELEMENT_NODE, 'element node 1');
141 expect(contents[2].nodeType).to.equal(Node.TEXT_NODE, 'text node 2');
144 describe('Storing custom data', function() {
147 beforeEach(function() {
148 node = elementNodeFromXML('<div></div>');
151 it('can append single value', function() {
152 node.setData('key', 'value');
153 expect(node.getData('key')).to.equal('value');
156 it('can overwrite the whole data', function() {
157 node.setData('key1', 'value1');
158 node.setData({key2: 'value2'});
159 expect(node.getData('key2')).to.equal('value2');
162 it('can fetch the whole data at once', function() {
163 node.setData({key1: 'value1', key2: 'value2'});
164 expect(node.getData()).to.eql({key1: 'value1', key2: 'value2'});
168 describe('Changing node tag', function() {
170 it('can change tag name', function() {
171 var node = elementNodeFromXML('<div></div>');
173 expect(node.getTagName()).to.equal('span');
176 it('emits nodeTagChange event', function() {
177 var node = elementNodeFromXML('<div></div>'),
180 node.document.on('change', spy);
182 var event = spy.args[0][0];
184 expect(event.type).to.equal('nodeTagChange');
185 expect(event.meta.node.sameNode(node)).to.be.true;
186 expect(event.meta.oldTagName).to.equal('div');
189 describe('Implementation specific expectations', function() {
190 // DOM specifies ElementNode tag as a read-only property, so
191 // changing it in a seamless way is a little bit tricky. For this reason
192 // the folowing expectations are required, despite the fact that they actually are
193 // motivated by implemetation details.
195 it('keeps node in the document', function() {
196 var doc = getDocumentFromXML('<div><header></header></div>'),
197 header = doc.root.contents()[0];
198 header.setTag('span');
199 expect(header.parent().sameNode(doc.root)).to.be.true;
201 it('keeps custom data', function() {
202 var node = elementNodeFromXML('<div></div>');
204 node.setData('key', 'value');
205 node.setTag('header');
207 expect(node.getTagName()).to.equal('header');
208 expect(node.getData()).to.eql({key: 'value'});
211 it('can change document root tag name', function() {
212 var doc = getDocumentFromXML('<div></div>');
213 doc.root.setTag('span');
214 expect(doc.root.getTagName()).to.equal('span');
217 it('keeps contents', function() {
218 var node = elementNodeFromXML('<div><div></div></div>');
219 node.setTag('header');
220 expect(node.contents()).to.have.length(1);
224 describe('Setting node attributes', function() {
225 it('can set node attribute', function() {
226 var node = elementNodeFromXML('<div></div>');
228 node.setAttr('key', 'value');
229 expect(node.getAttr('key')).to.equal('value');
231 it('emits nodeAttrChange event', function() {
232 var node = elementNodeFromXML('<div key="value1"></div>'),
235 node.document.on('change', spy);
236 node.setAttr('key', 'value2');
237 var event = spy.args[0][0];
239 expect(event.type).to.equal('nodeAttrChange');
240 expect(event.meta.node.sameNode(node)).to.be.true;
241 expect(event.meta.attr).to.equal('key');
242 expect(event.meta.oldVal).to.equal('value1');
249 describe('Basic TextNode properties', function() {
250 it('can have its text set', function() {
251 var node = elementNodeFromXML('<div>Alice</div>'),
252 textNode = node.contents()[0];
254 textNode.setText('Cat');
255 expect(textNode.getText()).to.equal('Cat');
258 it('emits nodeTextChange', function() {
259 var node = elementNodeFromXML('<div>Alice</div>'),
260 textNode = node.contents()[0],
263 textNode.document.on('change', spy);
264 textNode.setText('Cat');
266 var event = spy.args[0][0];
267 expect(event.type).to.equal('nodeTextChange');
270 it('puts NodeElement after itself', function() {
271 var node = elementNodeFromXML('<div>Alice</div>'),
272 textNode = node.contents()[0],
273 returned = textNode.after({tagName:'div'});
274 expect(returned.sameNode(node.contents()[1])).to.be.true;
277 it('puts NodeElement before itself', function() {
278 var node = elementNodeFromXML('<div>Alice</div>'),
279 textNode = node.contents()[0],
280 returned = textNode.before({tagName:'div'});
281 expect(returned.sameNode(node.contents()[0])).to.be.true;
284 describe('Wrapping TextNode contents', function() {
286 it('wraps DocumentTextElement', function() {
287 var node = elementNodeFromXML('<section>Alice</section>'),
288 textNode = node.contents()[0];
290 var returned = textNode.wrapWith({tagName: 'header'}),
291 parent = textNode.parent(),
292 parent2 = node.contents()[0];
294 expect(returned.sameNode(parent)).to.be.equal(true, 'wrapper is a parent');
295 expect(returned.sameNode(parent2)).to.be.equal(true, 'wrapper has a correct parent');
296 expect(returned.getTagName()).to.equal('header');
299 describe('wrapping part of DocumentTextElement', function() {
300 [{start: 5, end: 12}, {start: 12, end: 5}].forEach(function(offsets) {
301 it('wraps in the middle ' + offsets.start + '/' + offsets.end, function() {
302 var node = elementNodeFromXML('<section>Alice has a cat</section>'),
303 textNode = node.contents()[0];
305 var returned = textNode.wrapWith({tagName: 'header', attrs: {'attr1': 'value1'}, start: offsets.start, end: offsets.end}),
306 contents = node.contents();
308 expect(contents.length).to.equal(3);
310 expect(contents[0].nodeType).to.be.equal(Node.TEXT_NODE, 'first node is text node');
311 expect(contents[0].getText()).to.equal('Alice');
313 expect(contents[1].sameNode(returned)).to.be.true;
314 expect(returned.getTagName()).to.equal('header');
315 expect(returned.getAttr('attr1')).to.equal('value1');
316 expect(contents[1].contents().length).to.equal(1, 'wrapper has one node inside');
317 expect(contents[1].contents()[0].getText()).to.equal(' has a ');
319 expect(contents[2].nodeType).to.be.equal(Node.TEXT_NODE, 'third node is text node');
320 expect(contents[2].getText()).to.equal('cat');
324 it('wraps whole text inside DocumentTextElement if offsets span entire content', function() {
325 var node = elementNodeFromXML('<section>Alice has a cat</section>'),
326 textNode = node.contents()[0];
328 textNode.wrapWith({tagName: 'header', start: 0, end: 15});
330 var contents = node.contents();
331 expect(contents.length).to.equal(1);
332 expect(contents[0].getTagName()).to.equal('header');
333 expect(contents[0].contents()[0].getText()).to.equal('Alice has a cat');
338 describe('Dividing text node into two with element node', function() {
339 it('can divide text node with element node, splitting text node into two', function() {
340 var doc = getDocumentFromXML('<div>Alice has a cat</div>'),
341 text = doc.root.contents()[0];
343 var returned = text.divideWithElementNode({tagName: 'aside'}, {offset: 5}),
344 contents = doc.root.contents(),
345 lhsText = contents[0],
346 rhsText = contents[2];
348 expect(lhsText.getText()).to.equal('Alice');
349 expect(returned.sameNode(contents[1]));
350 expect(rhsText.getText()).to.equal(' has a cat');
353 it('treats dividing at the very end as appending after it', function() {
354 var doc = getDocumentFromXML('<div>Alice has a cat</div>'),
355 text = doc.root.contents()[0];
358 var returned = text.divideWithElementNode({tagName: 'aside'}, {offset: 15}),
359 contents = doc.root.contents(),
360 textNode = contents[0],
361 elementNode = contents[1];
363 expect(contents.length).to.equal(2);
364 expect(textNode.getText()).to.equal('Alice has a cat');
365 expect(returned.sameNode(elementNode)).to.be.true;
366 expect(elementNode.getTagName()).to.equal('aside');
369 it('treats dividing at the very beginning as prepending before it', function() {
370 var doc = getDocumentFromXML('<div>Alice has a cat</div>'),
371 text = doc.root.contents()[0];
373 var returned = text.divideWithElementNode({tagName: 'aside'}, {offset: 0}),
374 contents = doc.root.contents(),
375 textNode = contents[1],
376 elementNode = contents[0];
378 expect(contents.length).to.equal(2);
379 expect(textNode.getText()).to.equal('Alice has a cat');
380 expect(returned.sameNode(elementNode)).to.be.true;
381 expect(elementNode.getTagName()).to.equal('aside');
386 describe('Manipulations', function() {
388 describe('replacing node with another one', function() {
389 it('replaces node with another one', function() {
390 var doc = getDocumentFromXML('<div><a></a></div>'),
391 a = doc.root.contents()[0];
393 var c = a.replaceWith({tagName: 'b', attrs: {b:'1'}});
395 expect(doc.root.contents()[0].sameNode(c));
396 expect(c.getTagName()).to.equal('b');
397 expect(c.getAttr('b')).to.equal('1');
399 it('can replace document root', function() {
400 var doc = getDocumentFromXML('<div></div>');
402 var header = doc.root.replaceWith({tagName: 'header'});
404 expect(doc.root.sameNode(header)).to.be.true;
405 expect(doc.containsNode(header)).to.be.true;
409 it('merges adjacent text nodes resulting from detaching an element node in between', function() {
410 var doc = getDocumentFromXML('<div>Alice <span>has</span>a cat</div>'),
411 span = doc.root.contents()[1];
415 var rootContents = doc.root.contents();
416 expect(rootContents).to.have.length(1, 'one child left');
417 expect(rootContents[0].getText()).to.equal('Alice a cat');
420 it('inserts node at index', function() {
421 var doc = getDocumentFromXML('<div><a></a><b></b><c></c></div>'),
422 b = doc.root.contents()[1];
424 var inserted = doc.root.insertAtIndex({tagName: 'test'}, 1);
426 expect(doc.root.contents()[1].sameNode(inserted)).to.equal(true, 'inserted node returned');
427 expect(b.getIndex()).to.equal(2, 'b node shifted right');
430 it('appends node when inserting node at index out of range', function() {
431 var doc = getDocumentFromXML('<div></div>');
433 var test1 = doc.root.insertAtIndex({tagName: 'test1'}, 0),
434 test2 = doc.root.insertAtIndex({tagName: 'test1'}, 10);
436 expect(doc.root.contents()[0].sameNode(test1)).to.equal(true, 'inserting at index 0 of empty nodes appends node');
437 expect(doc.root.contents().length).to.equal(1, 'inserting at index out of range does nothing');
438 expect(test2).to.equal(undefined, 'inserting at index out of range returns undefined');
441 it('appends element node to another element node', function() {
442 var node1 = elementNodeFromParams({tag: 'div'}),
443 node2 = elementNodeFromParams({tag: 'a'}),
444 node3 = elementNodeFromParams({tag: 'p'});
447 expect(node1.contents()[0].sameNode(node2)).to.be.true;
448 expect(node1.contents()[1].sameNode(node3)).to.be.true;
451 it('prepends element node to another element node', function() {
452 var node1 = elementNodeFromParams({tag: 'div'}),
453 node2 = elementNodeFromParams({tag: 'a'}),
454 node3 = elementNodeFromParams({tag: 'p'});
455 node1.prepend(node2);
456 node1.prepend(node3);
457 expect(node1.contents()[0].sameNode(node3)).to.be.true;
458 expect(node1.contents()[1].sameNode(node2)).to.be.true;
461 describe('adding text nodes', function() {
462 it('merges text nodes on append', function() {
463 var doc = getDocumentFromXML('<root>text1</root>'),
465 returned = doc.root.append({text: 'text2'});
466 expect(doc.root.contents().length).to.equal(1);
467 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
468 expect(doc.root.contents()[0].getText()).to.equal('text1text2');
471 it('merges text nodes on prepend', function() {
472 var doc = getDocumentFromXML('<root>text1</root>'),
474 returned = doc.root.prepend({text: 'text2'});
475 expect(doc.root.contents().length).to.equal(1);
476 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
477 expect(doc.root.contents()[0].getText()).to.equal('text2text1');
480 it('merges text nodes on before text node', function() {
481 var doc = getDocumentFromXML('<root>text1</root>'),
482 textNode = doc.root.contents()[0],
484 returned = textNode.before({text: 'text2'});
485 expect(doc.root.contents().length).to.equal(1);
486 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
487 expect(doc.root.contents()[0].getText()).to.equal('text2text1');
490 it('merges text nodes on after text node', function() {
491 var doc = getDocumentFromXML('<root>text1</root>'),
492 textNode = doc.root.contents()[0],
494 returned = textNode.after({text: 'text2'});
495 expect(doc.root.contents().length).to.equal(1);
496 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
497 expect(doc.root.contents()[0].getText()).to.equal('text1text2');
500 it('merges text nodes on before element node', function() {
501 var doc = getDocumentFromXML('<root>text1<div></div></root>'),
502 textNode = doc.root.contents()[0],
503 div = doc.root.contents()[1],
505 returned = div.before({text: 'text2'});
506 expect(doc.root.contents().length).to.equal(2);
507 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
508 expect(textNode.getText()).to.equal('text1text2');
511 it('merges text nodes on after element node', function() {
512 var doc = getDocumentFromXML('<root><div></div>text1</root>'),
513 textNode = doc.root.contents()[1],
514 div = doc.root.contents()[0],
516 returned = div.after({text: 'text2'});
517 expect(doc.root.contents().length).to.equal(2);
518 expect(returned.sameNode(doc.root.contents()[1])).to.equal(true, 'modified node returned');
519 expect(textNode.getText()).to.equal('text2text1');
523 it('wraps element node with another element node', function() {
524 var node = elementNodeFromXML('<div></div>'),
525 wrapper = elementNodeFromXML('<wrapper></wrapper>');
527 node.wrapWith(wrapper);
528 expect(node.parent().sameNode(wrapper)).to.be.true;
531 it('unwraps element node contents', function() {
532 var node = elementNodeFromXML('<div>Alice <div>has <span>propably</span> a cat</div>!</div>'),
533 outerDiv = node.contents()[1];
535 outerDiv.unwrapContent();
537 expect(node.contents().length).to.equal(3);
538 expect(node.contents()[0].getText()).to.equal('Alice has ');
539 expect(node.contents()[1].getTagName()).to.equal('span');
540 expect(node.contents()[2].getText()).to.equal(' a cat!');
543 it('unwrap single element node from its parent', function() {
544 var doc = getDocumentFromXML('<div><a><b></b></a></div>'),
546 a = div.contents()[0],
549 var parent = b.unwrap();
551 expect(parent.sameNode(div)).to.equal(true, 'returns new parent');
552 expect(div.contents()).to.have.length(1, 'root contains only one node');
553 expect(div.contents()[0].sameNode(b)).to.equal(true, 'node got unwrapped');
556 it('unwrap single text node from its parent', function() {
557 var doc = getDocumentFromXML('<div>Some <span>text</span>!</div>'),
559 span = div.contents()[1],
560 text = span.contents()[0];
562 var parent = text.unwrap();
564 expect(parent.sameNode(div)).to.equal(true, 'returns new parent');
565 expect(div.contents()).to.have.length(1, 'root contains only one node');
566 expect(div.contents()[0].getText()).to.equal('Some text!');
569 describe('Wrapping text', function() {
570 it('wraps text spanning multiple sibling TextNodes', function() {
571 var section = elementNodeFromXML('<section>Alice has a <span>small</span> cat</section>'),
572 wrapper = section.wrapText({
573 _with: {tagName: 'span', attrs: {'attr1': 'value1'}},
579 expect(section.contents().length).to.equal(2);
580 expect(section.contents()[0].nodeType).to.equal(Node.TEXT_NODE);
581 expect(section.contents()[0].getText()).to.equal('Alice ');
583 var wrapper2 = section.contents()[1];
584 expect(wrapper2.sameNode(wrapper)).to.be.true;
585 expect(wrapper.getTagName()).to.equal('span');
587 var wrapperContents = wrapper.contents();
588 expect(wrapperContents.length).to.equal(3);
589 expect(wrapperContents[0].getText()).to.equal('has a ');
591 expect(wrapperContents[1].nodeType).to.equal(Node.ELEMENT_NODE);
592 expect(wrapperContents[1].contents().length).to.equal(1);
593 expect(wrapperContents[1].contents()[0].getText()).to.equal('small');
597 describe('Wrapping Nodes', function() {
598 it('wraps multiple sibling nodes', function() {
599 var section = elementNodeFromXML('<section>Alice<div>has</div><div>a cat</div></section>'),
600 aliceText = section.contents()[0],
601 firstDiv = section.contents()[1],
602 lastDiv = section.contents()[section.contents().length -1];
604 var returned = section.document.wrapNodes({
607 _with: {tagName: 'header'}
610 var sectionContentss = section.contents(),
611 header = sectionContentss[0],
612 headerContents = header.contents();
614 expect(sectionContentss).to.have.length(1);
615 expect(header.sameNode(returned)).to.equal(true, 'wrapper returned');
616 expect(header.parent().sameNode(section)).to.be.true;
617 expect(headerContents).to.have.length(3);
618 expect(headerContents[0].sameNode(aliceText)).to.equal(true, 'first node wrapped');
619 expect(headerContents[1].sameNode(firstDiv)).to.equal(true, 'second node wrapped');
620 expect(headerContents[2].sameNode(lastDiv)).to.equal(true, 'third node wrapped');
623 it('wraps multiple sibling Elements - middle case', function() {
624 var section = elementNodeFromXML('<section><div></div><div></div><div></div><div></div></section>'),
625 div2 = section.contents()[1],
626 div3 = section.contents()[2];
628 section.document.wrapNodes({
631 _with: {tagName: 'header'}
634 var sectionContentss = section.contents(),
635 header = sectionContentss[1],
636 headerChildren = header.contents();
638 expect(sectionContentss).to.have.length(3);
639 expect(headerChildren).to.have.length(2);
640 expect(headerChildren[0].sameNode(div2)).to.equal(true, 'first node wrapped');
641 expect(headerChildren[1].sameNode(div3)).to.equal(true, 'second node wrapped');
647 var getTextNodes = function(text, doc) {
650 var search = function(node) {
651 node.contents().forEach(function(node) {
652 if(node.nodeType === Node.TEXT_NODE) {
653 if(node.getText() === text) {
665 var getTextNode = function(text, doc) {
666 var nodes = getTextNodes(text, doc),
668 if(nodes.length === 0) {
669 error = 'Text not found';
670 } else if(nodes.length > 1) {
671 error = 'Text not unique';
672 } else if(nodes[0].getText() !== text) {
673 error = 'I was trying to cheat your test :(';
676 throw new Error(error);
681 describe('Removing arbitrary text', function() {
682 it('removes within single text element', function() {
683 var doc = getDocumentFromXML('<div>Alice</div>'),
684 text = getTextNode('Alice', doc);
695 expect(doc.root.contents().length).to.equal(1);
696 expect(doc.root.contents()[0].getText()).to.equal('Ae');
698 it('removes across elements - 1', function() {
699 var doc = getDocumentFromXML('<div><a>aaa</a><b>bbb</b></div>');
703 node: getTextNode('aaa', doc),
707 node: getTextNode('bbb', doc),
712 var contents = doc.root.contents();
713 expect(contents.length).to.equal(2);
714 expect(contents[0].contents()[0].getText()).to.equal('aa');
715 expect(contents[1].contents()[0].getText()).to.equal('b');
717 it('removes across elements - 2', function() {
718 var doc = getDocumentFromXML('<a><b><c>ccc</c></b>xxx</a>');
721 node: getTextNode('ccc', doc),
725 node: getTextNode('xxx', doc),
730 var contents = doc.root.contents();
731 expect(contents.length).to.equal(2);
732 expect(contents[0].getTagName()).to.equal('b');
733 expect(contents[1].getText()).to.equal('x');
735 var bContents = contents[0].contents();
736 expect(bContents.length).to.equal(1);
737 expect(bContents[0].getTagName()).to.equal('c');
738 expect(bContents[0].contents().length).to.equal(1);
739 expect(bContents[0].contents()[0].getText()).to.equal('cc');
741 it('remove across elements - 3 (merged text nodes)', function() {
742 var doc = getDocumentFromXML('<div>Alice <span>has</span> a cat</div>');
745 node: getTextNode('Alice ', doc),
749 node: getTextNode(' a cat', doc),
753 var contents = doc.root.contents();
754 expect(contents.length).to.equal(1);
755 expect(contents[0].getText()).to.equal('Acat');
757 it('remove across elements - 4', function() {
758 var doc = getDocumentFromXML('<div>Alice <div>has <span>a</span> cat</div></div>');
761 node: getTextNode('Alice ', doc),
765 node: getTextNode(' cat', doc),
769 var contents = doc.root.contents();
770 expect(contents.length).to.equal(2);
771 expect(contents[0].getText()).to.equal('A');
772 expect(contents[1].getTagName()).to.equal('div');
773 expect(contents[1].contents().length).to.equal(1);
774 expect(contents[1].contents()[0].getText()).to.equal('cat');
776 it('removes across elements - 5 (whole document)', function() {
777 var doc = getDocumentFromXML('<div>Alice <div>has <span>a</span> cat</div>!!!</div>');
780 node: getTextNode('Alice ', doc),
784 node: getTextNode('!!!', doc),
789 expect(doc.root.getTagName()).to.equal('div');
790 expect(doc.root.contents().length).to.equal(1);
791 expect(doc.root.contents()[0].getText()).to.equal('');
793 it('removes nodes in between', function() {
794 var doc = getDocumentFromXML('<div><a>aaa<x>!</x></a>xxx<x></x><b><x>!</x>bbb</b></div>');
797 node: getTextNode('aaa', doc),
801 node: getTextNode('bbb', doc),
806 var contents = doc.root.contents();
807 expect(contents.length).to.equal(2, 'two nodes survived');
808 expect(contents[0].getTagName()).to.equal('a');
809 expect(contents[1].getTagName()).to.equal('b');
810 expect(contents[0].contents().length).to.equal(1);
811 expect(contents[0].contents()[0].getText()).to.equal('aa');
812 expect(contents[1].contents().length).to.equal(1);
813 expect(contents[1].contents()[0].getText()).to.equal('b');
817 describe('Splitting text', function() {
819 it('splits TextNode\'s parent into two ElementNodes', function() {
820 var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
822 text = section.contents()[0].contents()[0];
824 var returnedValue = text.split({offset: 5});
825 expect(section.contents().length).to.equal(2, 'section has two children');
827 var header1 = section.contents()[0];
828 var header2 = section.contents()[1];
830 expect(header1.getTagName()).to.equal('header', 'first section child ok');
831 expect(header1.contents().length).to.equal(1, 'first header has one child');
832 expect(header1.contents()[0].getText()).to.equal('Some ', 'first header has correct content');
833 expect(header2.getTagName()).to.equal('header', 'second section child ok');
834 expect(header2.contents().length).to.equal(1, 'second header has one child');
835 expect(header2.contents()[0].getText()).to.equal('header', 'second header has correct content');
837 expect(returnedValue.first.sameNode(header1)).to.equal(true, 'first node returned');
838 expect(returnedValue.second.sameNode(header2)).to.equal(true, 'second node returned');
841 it('leaves empty copy of ElementNode if splitting at the very beginning', function() {
842 var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
844 text = section.contents()[0].contents()[0];
846 text.split({offset: 0});
848 var header1 = section.contents()[0];
849 var header2 = section.contents()[1];
851 expect(header1.contents().length).to.equal(0);
852 expect(header2.contents()[0].getText()).to.equal('Some header');
855 it('leaves empty copy of ElementNode if splitting at the very end', function() {
856 var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
858 text = section.contents()[0].contents()[0];
860 text.split({offset: 11});
862 var header1 = section.contents()[0];
863 var header2 = section.contents()[1];
865 expect(header1.contents()[0].getText()).to.equal('Some header');
866 expect(header2.contents().length).to.equal(0);
869 it('keeps TextNodes\'s parent\'s children elements intact', function() {
870 var doc = getDocumentFromXML('<section><header>A <span>fancy</span> and <span>nice</span> header</header></section>'),
872 header = section.contents()[0],
873 textAnd = header.contents()[2];
875 textAnd.split({offset: 2});
877 var sectionContents = section.contents();
878 expect(sectionContents.length).to.equal(2, 'Section has two children');
879 expect(sectionContents[0].getTagName()).to.equal('header', 'First section node is a header');
880 expect(sectionContents[1].getTagName()).to.equal('header', 'Second section node is a header');
882 var firstHeaderContents = sectionContents[0].contents();
883 expect(firstHeaderContents.length).to.equal(3, 'First header has three children');
884 expect(firstHeaderContents[0].getText()).to.equal('A ', 'First header starts with a text');
885 expect(firstHeaderContents[1].getTagName()).to.equal('span', 'First header has span in the middle');
886 expect(firstHeaderContents[2].getText()).to.equal(' a', 'First header ends with text');
888 var secondHeaderContents = sectionContents[1].contents();
889 expect(secondHeaderContents.length).to.equal(3, 'Second header has three children');
890 expect(secondHeaderContents[0].getText()).to.equal('nd ', 'Second header starts with text');
891 expect(secondHeaderContents[1].getTagName()).to.equal('span', 'Second header has span in the middle');
892 expect(secondHeaderContents[2].getText()).to.equal(' header', 'Second header ends with text');
896 describe('Events', function() {
897 it('emits nodeDetached event on node detach', function() {
898 var node = elementNodeFromXML('<div><div></div></div>'),
899 innerNode = node.contents()[0],
901 node.document.on('change', spy);
903 var detached = innerNode.detach(),
904 event = spy.args[0][0];
906 expect(event.type).to.equal('nodeDetached');
907 expect(event.meta.node.sameNode(detached, 'detached node in event meta'));
908 expect(event.meta.parent.sameNode(node), 'original parent node in event meta');
911 it('emits nodeAdded event when appending new node', function() {
912 var node = elementNodeFromXML('<div></div>'),
914 node.document.on('change', spy);
916 var appended = node.append({tagName:'div'}),
917 event = spy.args[0][0];
918 expect(event.type).to.equal('nodeAdded');
919 expect(event.meta.node.sameNode(appended)).to.be.true;
922 it('emits nodeMoved when appending aready existing node', function() {
923 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
924 a = node.contents()[0],
925 b = node.contents()[1],
927 node.document.on('change', spy);
929 var appended = a.append(b),
930 event = spy.args[0][0];
932 expect(spy.callCount).to.equal(1);
933 expect(event.type).to.equal('nodeMoved');
934 expect(event.meta.node.sameNode(appended)).to.be.true;
935 expect(node.document.root.sameNode(event.meta.parent)).to.equal(true, 'previous parent attached to event meta');
938 it('emits nodeAdded event when prepending new node', function() {
939 var node = elementNodeFromXML('<div></div>'),
941 node.document.on('change', spy);
943 var prepended = node.prepend({tagName:'div'}),
944 event = spy.args[0][0];
945 expect(event.type).to.equal('nodeAdded');
946 expect(event.meta.node.sameNode(prepended)).to.be.true;
949 it('emits nodeMoved when prepending aready existing node', function() {
950 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
951 a = node.contents()[0],
952 b = node.contents()[1],
954 node.document.on('change', spy);
956 var prepended = a.prepend(b),
957 event = spy.args[0][0];
958 expect(spy.callCount).to.equal(1);
959 expect(event.type).to.equal('nodeMoved');
960 expect(event.meta.node.sameNode(prepended)).to.be.true;
963 it('emits nodeAdded event when inserting node after another', function() {
964 var node = elementNodeFromXML('<div><a></a></div>').contents()[0],
966 node.document.on('change', spy);
968 var inserted = node.after({tagName:'div'}),
969 event = spy.args[0][0];
970 expect(event.type).to.equal('nodeAdded');
971 expect(event.meta.node.sameNode(inserted)).to.be.true;
974 it('emits nodeMoved when inserting aready existing node after another', function() {
975 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
976 a = node.contents()[0],
977 b = node.contents()[1],
979 node.document.on('change', spy);
980 var inserted = b.after(a),
981 event = spy.args[0][0];
983 expect(spy.callCount).to.equal(1);
984 expect(event.type).to.equal('nodeMoved');
985 expect(event.meta.node.sameNode(inserted)).to.be.true;
988 it('emits nodeAdded event when inserting node before another', function() {
989 var node = elementNodeFromXML('<div><a></a></div>').contents()[0],
991 node.document.on('change', spy);
993 var inserted = node.before({tagName:'div'}),
994 event = spy.args[0][0];
995 expect(event.type).to.equal('nodeAdded');
996 expect(event.meta.node.sameNode(inserted)).to.be.true;
999 it('emits nodeAdded when inserting aready existing node before another', function() {
1000 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
1001 a = node.contents()[0],
1002 b = node.contents()[1],
1004 node.document.on('change', spy);
1005 var inserted = a.before(b),
1006 event = spy.args[0][0];
1008 expect(spy.callCount).to.equal(1);
1009 expect(event.type).to.equal('nodeMoved');
1010 expect(event.meta.node.sameNode(inserted)).to.be.true;
1013 it('emits nodeDetached and nodeAdded when replacing root node with another', function() {
1014 var doc = getDocumentFromXML('<a></a>'),
1018 doc.on('change', spy);
1020 doc.root.replaceWith({tagName: 'b'});
1022 expect(spy.callCount).to.equal(2);
1024 var event1 = spy.args[0][0],
1025 event2 = spy.args[1][0];
1027 expect(event1.type).to.equal('nodeDetached');
1028 expect(event1.meta.node.sameNode(oldRoot)).to.equal(true, 'root node in nodeDetached event metadata');
1029 expect(event2.type).to.equal('nodeAdded');
1030 expect(event2.meta.node.sameNode(doc.root)).to.equal(true, 'new root node in nodelAdded event meta');
1034 ['append', 'prepend', 'before', 'after'].forEach(function(insertionMethod) {
1035 it('emits nodeDetached for node moved from a document tree to out of document node ' + insertionMethod, function() {
1036 var doc = getDocumentFromXML('<div><a></a></div>'),
1037 a = doc.root.contents()[0],
1040 doc.on('change', spy);
1042 var newNode = doc.createDocumentNode({tagName: 'b'}),
1043 newNodeInner = newNode.append({tagName:'c'});
1045 newNodeInner[insertionMethod](a);
1047 var event = spy.args[0][0];
1048 expect(event.type).to.equal('nodeDetached');
1049 expect(event.meta.node.sameNode(a));
1052 it('doesn\'t emit nodeDetached event for already out of document node moved to out of document node' + insertionMethod, function() {
1053 var doc = getDocumentFromXML('<div><a></a></div>'),
1056 doc.on('change', spy);
1058 var newNode = doc.createDocumentNode({tagName: 'b'});
1059 newNode.append({tagName:'c'});
1061 expect(spy.callCount).to.equal(0);
1068 describe('Traversing', function() {
1069 describe('Basic', function() {
1070 it('can access node parent', function() {
1071 var doc = getDocumentFromXML('<a><b></b></a>'),
1073 b = a.contents()[0];
1075 expect(a.parent()).to.equal(null, 'parent of a root is null');
1076 expect(b.parent().sameNode(a)).to.be.true;
1078 it('can access node parents', function() {
1079 var doc = getDocumentFromXML('<a><b><c></c></b></a>'),
1081 b = a.contents()[0],
1082 c = b.contents()[0];
1084 var parents = c.parents();
1086 expect(parents[0].sameNode(b)).to.be.true;
1087 expect(parents[1].sameNode(a)).to.be.true;
1091 describe('finding sibling parents of two elements', function() {
1092 it('returns elements themself if they have direct common parent', function() {
1093 var doc = getDocumentFromXML('<section><div><div>A</div><div>B</div></div></section>'),
1094 wrappingDiv = doc.root.contents()[0],
1095 divA = wrappingDiv.contents()[0],
1096 divB = wrappingDiv.contents()[1];
1098 var siblingParents = doc.getSiblingParents({node1: divA, node2: divB});
1100 expect(siblingParents.node1.sameNode(divA)).to.equal(true, 'divA');
1101 expect(siblingParents.node2.sameNode(divB)).to.equal(true, 'divB');
1104 it('returns sibling parents - example 1', function() {
1105 var doc = getDocumentFromXML('<section>Alice <span>has a cat</span></section>'),
1106 aliceText = doc.root.contents()[0],
1107 span = doc.root.contents()[1],
1108 spanText = span.contents()[0];
1110 var siblingParents = doc.getSiblingParents({node1: aliceText, node2: spanText});
1112 expect(siblingParents.node1.sameNode(aliceText)).to.equal(true, 'aliceText');
1113 expect(siblingParents.node2.sameNode(span)).to.equal(true, 'span');
1118 describe('Serializing document to WLXML', function() {
1119 it('keeps document intact when no changes have been made', function() {
1120 var xmlIn = '<section>Alice<div>has</div>a <span class="uri" meta-uri="http://cat.com">cat</span>!</section>',
1121 doc = getDocumentFromXML(xmlIn),
1122 xmlOut = doc.toXML();
1124 var parser = new DOMParser(),
1125 input = parser.parseFromString(xmlIn, 'application/xml').childNodes[0],
1126 output = parser.parseFromString(xmlOut, 'application/xml').childNodes[0];
1128 expect(input.isEqualNode(output)).to.be.true;
1131 it('keeps entities intact', function() {
1132 var xmlIn = '<section>< ></section>',
1133 doc = getDocumentFromXML(xmlIn),
1134 xmlOut = doc.toXML();
1135 expect(xmlOut).to.equal(xmlIn);
1137 it('keeps entities intact when they form html/xml', function() {
1138 var xmlIn = '<section><abc></section>',
1139 doc = getDocumentFromXML(xmlIn),
1140 xmlOut = doc.toXML();
1141 expect(xmlOut).to.equal(xmlIn);
1145 describe('Extension API', function() {
1146 var doc, extension, elementNode, textNode;
1148 beforeEach(function() {
1149 doc = getDocumentFromXML('<section>Alice<div class="test_class"></div></section>');
1150 elementNode = doc.root;
1151 textNode = doc.root.contents()[0];
1154 expect(elementNode.testTransformation).to.be.undefined;
1155 expect(textNode.testTransformation).to.be.undefined;
1156 expect(doc.testTransformation).to.be.undefined;
1158 expect(doc.testMethod).to.be.undefined;
1159 expect(elementNode.testMethod).to.be.undefined;
1160 expect(textNode.testMethod).to.be.undefined;
1161 expect(elementNode.elementTestMethod).to.be.undefined;
1162 expect(textNode.textTestMethod).to.be.undefined;
1165 it('allows adding method to a document', function() {
1166 extension = {document: {methods: {
1167 testMethod: function() { return this; }
1170 doc.registerExtension(extension);
1171 expect(doc.testMethod()).to.equal(doc, 'context is set to a document instance');
1174 it('allows adding transformation to a document', function() {
1175 extension = {document: {transformations: {
1176 testTransformation: function() { return this; },
1177 testTransformation2: {impl: function() { return this;}}
1180 doc.registerExtension(extension);
1181 expect(doc.testTransformation()).to.equal(doc, 'context is set to a document instance');
1182 expect(doc.testTransformation2()).to.equal(doc, 'context is set to a document instance');
1185 it('allows adding method to a DocumentNode instance', function() {
1189 testMethod: function() { return this; }
1194 textTestMethod: function() { return this; }
1199 elementTestMethod: function() { return this; }
1204 doc.registerExtension(extension);
1207 elementNode = doc.root;
1208 textNode = doc.root.contents()[0];
1210 expect(elementNode.testMethod().sameNode(elementNode)).to.equal(true, 'context is set to a node instance');
1211 expect(textNode.testMethod().sameNode(textNode)).to.equal(true, 'context is set to a node instance');
1213 expect(elementNode.elementTestMethod().sameNode(elementNode)).to.be.true;
1214 expect(elementNode.textTestMethod).to.be.undefined;
1216 expect(textNode.textTestMethod().sameNode(textNode)).to.be.true;
1217 expect(textNode.elementTestMethod).to.be.undefined;
1220 it('allows adding transformation to a DocumentNode', function() {
1224 testTransformation: function() { return this; },
1225 testTransformation2: {impl: function() { return this;}}
1230 textTestTransformation: function() { return this; }
1235 elementTestTransformation: function() { return this; }
1240 doc.registerExtension(extension);
1243 elementNode = doc.root;
1244 textNode = doc.root.contents()[0];
1246 expect(elementNode.testTransformation().sameNode(elementNode)).to.equal(true, '1');
1247 expect(elementNode.testTransformation2().sameNode(elementNode)).to.equal(true, '2');
1248 expect(textNode.testTransformation().sameNode(textNode)).to.equal(true, '3');
1249 expect(textNode.testTransformation2().sameNode(textNode)).to.equal(true, '4');
1251 expect(elementNode.elementTestTransformation().sameNode(elementNode)).to.be.true;
1252 expect(elementNode.textTestTransformation).to.be.undefined;
1254 expect(textNode.textTestTransformation().sameNode(textNode)).to.be.true;
1255 expect(textNode.elementTestTransfomation).to.be.undefined;
1258 it('allows text/element node methods and transformations to access node and transormations on document node', function() {
1260 var doc = getDocumentFromXML('<div>text</div>');
1262 doc.registerExtension({
1271 return 'super_trans';
1278 return 'element_sub_' + this.__super__.test();
1283 return 'element_trans_sub_' + this.__super__.testT();
1290 return 'text_sub_' + this.__super__.test();
1295 return 'text_trans_sub_' + this.__super__.testT();
1301 var textNode = doc.root.contents()[0];
1303 expect(doc.root.test()).to.equal('element_sub_super');
1304 expect(textNode.test()).to.equal('text_sub_super');
1305 expect(doc.root.testT()).to.equal('element_trans_sub_super_trans');
1306 expect(textNode.testT()).to.equal('text_trans_sub_super_trans');
1310 describe('Undo/redo', function() {
1312 it('smoke tests', function() {
1313 var doc = getDocumentFromXML('<div>Alice</div>'),
1314 textNode = doc.root.contents()[0];
1316 expect(doc.undoStack).to.have.length(0);
1318 textNode.wrapWith({tagName: 'span', start:1, end:2});
1319 expect(doc.undoStack).to.have.length(1, '1');
1320 expect(doc.toXML()).to.equal('<div>A<span>l</span>ice</div>');
1323 expect(doc.undoStack).to.have.length(0, '2');
1324 expect(doc.toXML()).to.equal('<div>Alice</div>');
1327 expect(doc.undoStack).to.have.length(1, '3');
1328 expect(doc.toXML()).to.equal('<div>A<span>l</span>ice</div>');
1331 expect(doc.undoStack).to.have.length(0, '4');
1332 expect(doc.toXML()).to.equal('<div>Alice</div>');
1335 expect(doc.undoStack).to.have.length(0, '5');
1336 expect(doc.toXML()).to.equal('<div>Alice</div>');
1339 it('smoke tests 2', function() {
1340 var doc = getDocumentFromXML('<div>Alice</div>'),
1341 textNode = doc.root.contents()[0],
1342 path = textNode.getPath();
1344 textNode.setText('Alice ');
1345 textNode.setText('Alice h');
1346 textNode.setText('Alice ha');
1347 textNode.setText('Alice has');
1349 expect(textNode.getText()).to.equal('Alice has');
1352 expect(doc.root.contents()[0].getText()).to.equal('Alice ha', '1');
1355 expect(doc.root.contents()[0].getText()).to.equal('Alice h', '2');
1358 expect(doc.root.contents()[0].getText()).to.equal('Alice ha', '3');
1361 expect(doc.root.contents()[0].getText()).to.equal('Alice has', '4');
1365 textNode = doc.getNodeByPath(path);
1366 textNode.setText('Cat');
1368 textNode = doc.getNodeByPath(path);
1369 expect(textNode.getText()).to.equal('Alice h');
1373 var sampleMethod = function(val) {
1374 this._$.attr('x', val);
1375 this.triggerChangeEvent();
1378 var transformations = {
1379 'unaware': sampleMethod,
1380 'returning change root': {
1382 getChangeRoot: function() {
1383 return this.context;
1386 'implementing undo operation': {
1387 impl: function(t, val) {
1388 t.oldVal = this.getAttr('x');
1389 sampleMethod.call(this, val);
1392 this.setAttr('x', t.oldVal);
1397 _.pairs(transformations).forEach(function(pair) {
1399 transformaton = pair[1];
1401 describe(name + ' transformation: ', function() {
1402 var doc, node, nodePath;
1404 beforeEach(function() {
1405 doc = getDocumentFromXML('<div><test x="old"></test></div>');
1407 doc.registerExtension({elementNode: {transformations: {
1411 node = doc.root.contents()[0];
1412 nodePath = node.getPath();
1415 it('transforms as expected', function() {
1417 expect(node.getAttr('x')).to.equal('new');
1420 it('can be undone', function() {
1423 node = doc.getNodeByPath(nodePath);
1424 expect(node.getAttr('x')).to.equal('old');
1427 it('can be undone and then redone', function() {
1431 node = doc.getNodeByPath(nodePath);
1432 expect(node.getAttr('x')).to.equal('new');
1435 it('handles a sample scenario', function() {
1436 doc.root.contents()[0].test('1');
1437 doc.root.contents()[0].test('2');
1438 doc.root.contents()[0].test('3');
1439 doc.root.contents()[0].test('4');
1440 doc.root.contents()[0].test('5');
1442 expect(doc.root.contents()[0].getAttr('x')).to.equal('5', 'after initial transformations');
1444 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undo 1.1');
1446 expect(doc.root.contents()[0].getAttr('x')).to.equal('3', 'undo 1.2');
1448 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'redo 1.1');
1450 expect(doc.root.contents()[0].getAttr('x')).to.equal('5', 'redo 1.2');
1452 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undo 2.1');
1453 doc.root.contents()[0].test('10');
1454 expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'additional transformation');
1455 expect(doc.redoStack.length).to.equal(0, 'transformation cleared redo stack');
1457 expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'empty redoStack so redo was noop');
1459 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undoing additional transformation');
1461 expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'redoing additional transformation');
1466 it('smoke tests nested transformations', function() {
1467 var doc = getDocumentFromXML('<div></div>');
1469 doc.registerExtension({elementNode: {transformations: {
1470 nested: function(v) {
1471 this._$.attr('innerAttr', v);
1472 this.triggerChangeEvent();
1474 outer: function(v) {
1476 this._$.attr('outerAttr', v);
1477 this.triggerChangeEvent();
1481 doc.root.outer('test1');
1482 doc.root.outer('test2');
1484 expect(doc.root.getAttr('innerAttr')).to.equal('test2');
1485 expect(doc.root.getAttr('outerAttr')).to.equal('test2');
1489 expect(doc.root.getAttr('innerAttr')).to.equal('test1');
1490 expect(doc.root.getAttr('outerAttr')).to.equal('test1');
1494 expect(doc.root.getAttr('innerAttr')).to.equal(undefined);
1495 expect(doc.root.getAttr('outerAttr')).to.equal(undefined);
1499 expect(doc.root.getAttr('innerAttr')).to.equal('test1');
1500 expect(doc.root.getAttr('outerAttr')).to.equal('test1');
1504 expect(doc.root.getAttr('innerAttr')).to.equal('test2');
1505 expect(doc.root.getAttr('outerAttr')).to.equal('test2');
1509 it('ignores transformation if document didn\'t emit change event', function() {
1510 var doc = getDocumentFromXML('<div></div>');
1512 doc.registerExtension({elementNode: {transformations: {
1519 expect(doc.undoStack.length).to.equal(0);
1523 describe('Transactions', function() {
1524 it('allows to undo/redo series of transformations at once', function() {
1525 var doc = getDocumentFromXML('<div></div>');
1527 doc.registerExtension({
1528 elementNode: {transformations: {
1530 this.setAttr('test', v);
1535 doc.startTransaction();
1539 doc.endTransaction();
1542 expect(doc.root.getAttr('test'), '1');
1544 expect(doc.root.getAttr('test'), '3');
1546 expect(doc.root.getAttr('test'), '1');
1548 expect(doc.root.getAttr('test'), '3');
1551 it('ignores empty transactions', function() {
1552 var doc = getDocumentFromXML('<div></div>');
1553 doc.startTransaction();
1554 doc.endTransaction();
1555 expect(doc.undoStack).to.have.length(0, 'empty transaction doesn\'t get pushed into undo stack');
1558 it('doesn\'t break on optimizations', function() {
1559 // This is a smoke test checking if optimizations made to transaction undoing
1560 // doesnt't break anything.
1561 var doc = getDocumentFromXML('<div smart="1" unaware="1"></div>');
1563 doc.registerExtension({
1564 elementNode: {transformations: {
1565 unaware: function(v) {
1566 this.setAttr('unware', v);
1567 this.triggerChangeEvent();
1570 impl: function(t, v) {
1571 t.oldVal = this.getAttr('smart');
1572 this.setAttr('smart', v);
1573 this.triggerChangeEvent();
1576 this.setAttr('smart', t.oldVal);
1577 this.triggerChangeEvent();
1583 doc.startTransaction();
1584 doc.root.smart('2');
1585 doc.root.unaware('2');
1586 doc.root.smart('3');
1587 doc.root.unaware('3');
1588 doc.endTransaction();
1592 expect(doc.root.getAttr('smart')).to.equal('1');
1593 expect(doc.root.getAttr('unaware')).to.equal('1');
1597 describe('Regression tests', function() {
1598 it('redos correctly after running its own undo followed by unaware transformation undo', function() {
1599 var doc = getDocumentFromXML('<section t="0"></section>');
1601 doc.registerExtension({elementNode: {transformations: {
1602 unaware: function() {
1603 this.triggerChangeEvent();
1607 this._$.attr('t', 1);
1608 this.triggerChangeEvent();
1611 this._$.attr('t', 0);
1621 expect(doc.root.getAttr('t')).to.equal('1');