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('detaching nodes', function() {
389 it('can detach document root node', function() {
390 var doc = getDocumentFromXML('<div></div>');
393 expect(doc.root).to.equal(null);
397 describe('replacing node with another one', function() {
398 it('replaces node with another one', function() {
399 var doc = getDocumentFromXML('<div><a></a></div>'),
400 a = doc.root.contents()[0];
402 var c = a.replaceWith({tagName: 'b', attrs: {b:'1'}});
404 expect(doc.root.contents()[0].sameNode(c));
405 expect(c.getTagName()).to.equal('b');
406 expect(c.getAttr('b')).to.equal('1');
408 it('can replace document root', function() {
409 var doc = getDocumentFromXML('<div></div>');
411 var header = doc.root.replaceWith({tagName: 'header'});
413 expect(doc.root.sameNode(header)).to.be.true;
414 expect(doc.containsNode(header)).to.be.true;
418 it('merges adjacent text nodes resulting from detaching an element node in between', function() {
419 var doc = getDocumentFromXML('<div>Alice <span>has</span>a cat</div>'),
420 span = doc.root.contents()[1];
424 var rootContents = doc.root.contents();
425 expect(rootContents).to.have.length(1, 'one child left');
426 expect(rootContents[0].getText()).to.equal('Alice a cat');
429 it('inserts node at index', function() {
430 var doc = getDocumentFromXML('<div><a></a><b></b><c></c></div>'),
431 b = doc.root.contents()[1];
433 var inserted = doc.root.insertAtIndex({tagName: 'test'}, 1);
435 expect(doc.root.contents()[1].sameNode(inserted)).to.equal(true, 'inserted node returned');
436 expect(b.getIndex()).to.equal(2, 'b node shifted right');
439 it('appends node when inserting node at index out of range', function() {
440 var doc = getDocumentFromXML('<div></div>');
442 var test1 = doc.root.insertAtIndex({tagName: 'test1'}, 0),
443 test2 = doc.root.insertAtIndex({tagName: 'test1'}, 10);
445 expect(doc.root.contents()[0].sameNode(test1)).to.equal(true, 'inserting at index 0 of empty nodes appends node');
446 expect(doc.root.contents().length).to.equal(1, 'inserting at index out of range does nothing');
447 expect(test2).to.equal(undefined, 'inserting at index out of range returns undefined');
450 it('appends element node to another element node', function() {
451 var node1 = elementNodeFromParams({tag: 'div'}),
452 node2 = elementNodeFromParams({tag: 'a'}),
453 node3 = elementNodeFromParams({tag: 'p'});
456 expect(node1.contents()[0].sameNode(node2)).to.be.true;
457 expect(node1.contents()[1].sameNode(node3)).to.be.true;
460 it('prepends element node to another element node', function() {
461 var node1 = elementNodeFromParams({tag: 'div'}),
462 node2 = elementNodeFromParams({tag: 'a'}),
463 node3 = elementNodeFromParams({tag: 'p'});
464 node1.prepend(node2);
465 node1.prepend(node3);
466 expect(node1.contents()[0].sameNode(node3)).to.be.true;
467 expect(node1.contents()[1].sameNode(node2)).to.be.true;
470 describe('adding text nodes', function() {
471 it('merges text nodes on append', function() {
472 var doc = getDocumentFromXML('<root>text1</root>'),
474 returned = doc.root.append({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('text1text2');
480 it('merges text nodes on prepend', function() {
481 var doc = getDocumentFromXML('<root>text1</root>'),
483 returned = doc.root.prepend({text: 'text2'});
484 expect(doc.root.contents().length).to.equal(1);
485 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
486 expect(doc.root.contents()[0].getText()).to.equal('text2text1');
489 it('merges text nodes on before text node', function() {
490 var doc = getDocumentFromXML('<root>text1</root>'),
491 textNode = doc.root.contents()[0],
493 returned = textNode.before({text: 'text2'});
494 expect(doc.root.contents().length).to.equal(1);
495 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
496 expect(doc.root.contents()[0].getText()).to.equal('text2text1');
499 it('merges text nodes on after text node', function() {
500 var doc = getDocumentFromXML('<root>text1</root>'),
501 textNode = doc.root.contents()[0],
503 returned = textNode.after({text: 'text2'});
504 expect(doc.root.contents().length).to.equal(1);
505 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
506 expect(doc.root.contents()[0].getText()).to.equal('text1text2');
509 it('merges text nodes on before element node', function() {
510 var doc = getDocumentFromXML('<root>text1<div></div></root>'),
511 textNode = doc.root.contents()[0],
512 div = doc.root.contents()[1],
514 returned = div.before({text: 'text2'});
515 expect(doc.root.contents().length).to.equal(2);
516 expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
517 expect(textNode.getText()).to.equal('text1text2');
520 it('merges text nodes on after element node', function() {
521 var doc = getDocumentFromXML('<root><div></div>text1</root>'),
522 textNode = doc.root.contents()[1],
523 div = doc.root.contents()[0],
525 returned = div.after({text: 'text2'});
526 expect(doc.root.contents().length).to.equal(2);
527 expect(returned.sameNode(doc.root.contents()[1])).to.equal(true, 'modified node returned');
528 expect(textNode.getText()).to.equal('text2text1');
532 it('wraps root element node with another element node', function() {
533 var node = elementNodeFromXML('<div></div>'),
534 wrapper = elementNodeFromXML('<wrapper></wrapper>');
536 node.wrapWith(wrapper);
537 expect(node.parent().sameNode(wrapper)).to.be.true;
538 expect(node.document.root.sameNode(wrapper)).to.be.true;
541 it('wraps element node with another element node', function() {
542 var doc = getDocumentFromXML('<section><div></div></section>'),
543 div = doc.root.contents()[0];
545 var wrapper = div.wrapWith({tagName: 'wrapper'});
546 expect(wrapper.sameNode(doc.root.contents()[0])).to.equal(true, '1');
547 expect(div.parent().sameNode(wrapper)).to.equal(true, '2');
548 expect(wrapper.contents()[0].sameNode(div)).to.equal(true, '3');
551 it('wraps element outside of document tree', function() {
552 var doc = getDocumentFromXML('<section><div></div></section>'),
553 node = doc.createDocumentNode({tagName: 'node'});
555 node.wrapWith({tagName: 'wrapper'});
556 expect(node.parent().getTagName()).to.equal('wrapper');
557 expect(node.parent().contents()[0].sameNode(node)).to.be.true;
558 expect(doc.root.getTagName()).to.equal('section');
561 it('unwraps element node contents', function() {
562 var node = elementNodeFromXML('<div>Alice <div>has <span>propably</span> a cat</div>!</div>'),
563 outerDiv = node.contents()[1];
565 outerDiv.unwrapContent();
567 expect(node.contents().length).to.equal(3);
568 expect(node.contents()[0].getText()).to.equal('Alice has ');
569 expect(node.contents()[1].getTagName()).to.equal('span');
570 expect(node.contents()[2].getText()).to.equal(' a cat!');
573 it('unwrap single element node from its parent', function() {
574 var doc = getDocumentFromXML('<div><a><b></b></a></div>'),
576 a = div.contents()[0],
579 var parent = b.unwrap();
581 expect(parent.sameNode(div)).to.equal(true, 'returns new parent');
582 expect(div.contents()).to.have.length(1, 'root contains only one node');
583 expect(div.contents()[0].sameNode(b)).to.equal(true, 'node got unwrapped');
586 it('unwrap single text node from its parent', function() {
587 var doc = getDocumentFromXML('<div>Some <span>text</span>!</div>'),
589 span = div.contents()[1],
590 text = span.contents()[0];
592 var parent = text.unwrap();
594 expect(parent.sameNode(div)).to.equal(true, 'returns new parent');
595 expect(div.contents()).to.have.length(1, 'root contains only one node');
596 expect(div.contents()[0].getText()).to.equal('Some text!');
599 describe('Wrapping text', function() {
600 it('wraps text spanning multiple sibling TextNodes', function() {
601 var section = elementNodeFromXML('<section>Alice has a <span>small</span> cat</section>'),
602 wrapper = section.wrapText({
603 _with: {tagName: 'span', attrs: {'attr1': 'value1'}},
609 expect(section.contents().length).to.equal(2);
610 expect(section.contents()[0].nodeType).to.equal(Node.TEXT_NODE);
611 expect(section.contents()[0].getText()).to.equal('Alice ');
613 var wrapper2 = section.contents()[1];
614 expect(wrapper2.sameNode(wrapper)).to.be.true;
615 expect(wrapper.getTagName()).to.equal('span');
617 var wrapperContents = wrapper.contents();
618 expect(wrapperContents.length).to.equal(3);
619 expect(wrapperContents[0].getText()).to.equal('has a ');
621 expect(wrapperContents[1].nodeType).to.equal(Node.ELEMENT_NODE);
622 expect(wrapperContents[1].contents().length).to.equal(1);
623 expect(wrapperContents[1].contents()[0].getText()).to.equal('small');
627 describe('Wrapping Nodes', function() {
628 it('wraps multiple sibling nodes', function() {
629 var section = elementNodeFromXML('<section>Alice<div>has</div><div>a cat</div></section>'),
630 aliceText = section.contents()[0],
631 firstDiv = section.contents()[1],
632 lastDiv = section.contents()[section.contents().length -1];
634 var returned = section.document.wrapNodes({
637 _with: {tagName: 'header'}
640 var sectionContentss = section.contents(),
641 header = sectionContentss[0],
642 headerContents = header.contents();
644 expect(sectionContentss).to.have.length(1);
645 expect(header.sameNode(returned)).to.equal(true, 'wrapper returned');
646 expect(header.parent().sameNode(section)).to.be.true;
647 expect(headerContents).to.have.length(3);
648 expect(headerContents[0].sameNode(aliceText)).to.equal(true, 'first node wrapped');
649 expect(headerContents[1].sameNode(firstDiv)).to.equal(true, 'second node wrapped');
650 expect(headerContents[2].sameNode(lastDiv)).to.equal(true, 'third node wrapped');
653 it('wraps multiple sibling Elements - middle case', function() {
654 var section = elementNodeFromXML('<section><div></div><div></div><div></div><div></div></section>'),
655 div2 = section.contents()[1],
656 div3 = section.contents()[2];
658 section.document.wrapNodes({
661 _with: {tagName: 'header'}
664 var sectionContentss = section.contents(),
665 header = sectionContentss[1],
666 headerChildren = header.contents();
668 expect(sectionContentss).to.have.length(3);
669 expect(headerChildren).to.have.length(2);
670 expect(headerChildren[0].sameNode(div2)).to.equal(true, 'first node wrapped');
671 expect(headerChildren[1].sameNode(div3)).to.equal(true, 'second node wrapped');
677 var getTextNodes = function(text, doc) {
680 var search = function(node) {
681 node.contents().forEach(function(node) {
682 if(node.nodeType === Node.TEXT_NODE) {
683 if(node.getText() === text) {
695 var getTextNode = function(text, doc) {
696 var nodes = getTextNodes(text, doc),
698 if(nodes.length === 0) {
699 error = 'Text not found';
700 } else if(nodes.length > 1) {
701 error = 'Text not unique';
702 } else if(nodes[0].getText() !== text) {
703 error = 'I was trying to cheat your test :(';
706 throw new Error(error);
711 describe('Removing arbitrary text', function() {
712 it('removes within single text element', function() {
713 var doc = getDocumentFromXML('<div>Alice</div>'),
714 text = getTextNode('Alice', doc);
725 expect(doc.root.contents().length).to.equal(1);
726 expect(doc.root.contents()[0].getText()).to.equal('Ae');
728 it('removes across elements - 1', function() {
729 var doc = getDocumentFromXML('<div><a>aaa</a><b>bbb</b></div>');
733 node: getTextNode('aaa', doc),
737 node: getTextNode('bbb', doc),
742 var contents = doc.root.contents();
743 expect(contents.length).to.equal(2);
744 expect(contents[0].contents()[0].getText()).to.equal('aa');
745 expect(contents[1].contents()[0].getText()).to.equal('b');
747 it('removes across elements - 2', function() {
748 var doc = getDocumentFromXML('<a><b><c>ccc</c></b>xxx</a>');
751 node: getTextNode('ccc', doc),
755 node: getTextNode('xxx', doc),
760 var contents = doc.root.contents();
761 expect(contents.length).to.equal(2);
762 expect(contents[0].getTagName()).to.equal('b');
763 expect(contents[1].getText()).to.equal('x');
765 var bContents = contents[0].contents();
766 expect(bContents.length).to.equal(1);
767 expect(bContents[0].getTagName()).to.equal('c');
768 expect(bContents[0].contents().length).to.equal(1);
769 expect(bContents[0].contents()[0].getText()).to.equal('cc');
771 it('remove across elements - 3 (merged text nodes)', function() {
772 var doc = getDocumentFromXML('<div>Alice <span>has</span> a cat</div>');
775 node: getTextNode('Alice ', doc),
779 node: getTextNode(' a cat', doc),
783 var contents = doc.root.contents();
784 expect(contents.length).to.equal(1);
785 expect(contents[0].getText()).to.equal('Acat');
787 it('remove across elements - 4', function() {
788 var doc = getDocumentFromXML('<div>Alice <div>has <span>a</span> cat</div></div>');
791 node: getTextNode('Alice ', doc),
795 node: getTextNode(' cat', doc),
799 var contents = doc.root.contents();
800 expect(contents.length).to.equal(2);
801 expect(contents[0].getText()).to.equal('A');
802 expect(contents[1].getTagName()).to.equal('div');
803 expect(contents[1].contents().length).to.equal(1);
804 expect(contents[1].contents()[0].getText()).to.equal('cat');
806 it('removes across elements - 5 (whole document)', function() {
807 var doc = getDocumentFromXML('<div>Alice <div>has <span>a</span> cat</div>!!!</div>');
810 node: getTextNode('Alice ', doc),
814 node: getTextNode('!!!', doc),
819 expect(doc.root.getTagName()).to.equal('div');
820 expect(doc.root.contents().length).to.equal(1);
821 expect(doc.root.contents()[0].getText()).to.equal('');
823 it('removes nodes in between', function() {
824 var doc = getDocumentFromXML('<div><a>aaa<x>!</x></a>xxx<x></x><b><x>!</x>bbb</b></div>');
827 node: getTextNode('aaa', doc),
831 node: getTextNode('bbb', doc),
836 var contents = doc.root.contents();
837 expect(contents.length).to.equal(2, 'two nodes survived');
838 expect(contents[0].getTagName()).to.equal('a');
839 expect(contents[1].getTagName()).to.equal('b');
840 expect(contents[0].contents().length).to.equal(1);
841 expect(contents[0].contents()[0].getText()).to.equal('aa');
842 expect(contents[1].contents().length).to.equal(1);
843 expect(contents[1].contents()[0].getText()).to.equal('b');
847 describe('Splitting text', function() {
849 it('splits TextNode\'s parent into two ElementNodes', function() {
850 var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
852 text = section.contents()[0].contents()[0];
854 var returnedValue = text.split({offset: 5});
855 expect(section.contents().length).to.equal(2, 'section has two children');
857 var header1 = section.contents()[0];
858 var header2 = section.contents()[1];
860 expect(header1.getTagName()).to.equal('header', 'first section child ok');
861 expect(header1.contents().length).to.equal(1, 'first header has one child');
862 expect(header1.contents()[0].getText()).to.equal('Some ', 'first header has correct content');
863 expect(header2.getTagName()).to.equal('header', 'second section child ok');
864 expect(header2.contents().length).to.equal(1, 'second header has one child');
865 expect(header2.contents()[0].getText()).to.equal('header', 'second header has correct content');
867 expect(returnedValue.first.sameNode(header1)).to.equal(true, 'first node returned');
868 expect(returnedValue.second.sameNode(header2)).to.equal(true, 'second node returned');
871 it('leaves empty copy of ElementNode if splitting at the very beginning', function() {
872 var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
874 text = section.contents()[0].contents()[0];
876 text.split({offset: 0});
878 var header1 = section.contents()[0];
879 var header2 = section.contents()[1];
881 expect(header1.contents().length).to.equal(0);
882 expect(header2.contents()[0].getText()).to.equal('Some header');
885 it('leaves empty copy of ElementNode if splitting at the very end', function() {
886 var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
888 text = section.contents()[0].contents()[0];
890 text.split({offset: 11});
892 var header1 = section.contents()[0];
893 var header2 = section.contents()[1];
895 expect(header1.contents()[0].getText()).to.equal('Some header');
896 expect(header2.contents().length).to.equal(0);
899 it('keeps TextNodes\'s parent\'s children elements intact', function() {
900 var doc = getDocumentFromXML('<section><header>A <span>fancy</span> and <span>nice</span> header</header></section>'),
902 header = section.contents()[0],
903 textAnd = header.contents()[2];
905 textAnd.split({offset: 2});
907 var sectionContents = section.contents();
908 expect(sectionContents.length).to.equal(2, 'Section has two children');
909 expect(sectionContents[0].getTagName()).to.equal('header', 'First section node is a header');
910 expect(sectionContents[1].getTagName()).to.equal('header', 'Second section node is a header');
912 var firstHeaderContents = sectionContents[0].contents();
913 expect(firstHeaderContents.length).to.equal(3, 'First header has three children');
914 expect(firstHeaderContents[0].getText()).to.equal('A ', 'First header starts with a text');
915 expect(firstHeaderContents[1].getTagName()).to.equal('span', 'First header has span in the middle');
916 expect(firstHeaderContents[2].getText()).to.equal(' a', 'First header ends with text');
918 var secondHeaderContents = sectionContents[1].contents();
919 expect(secondHeaderContents.length).to.equal(3, 'Second header has three children');
920 expect(secondHeaderContents[0].getText()).to.equal('nd ', 'Second header starts with text');
921 expect(secondHeaderContents[1].getTagName()).to.equal('span', 'Second header has span in the middle');
922 expect(secondHeaderContents[2].getText()).to.equal(' header', 'Second header ends with text');
926 describe('Events', function() {
927 it('emits nodeDetached event on node detach', function() {
928 var node = elementNodeFromXML('<div><div></div></div>'),
929 innerNode = node.contents()[0],
931 node.document.on('change', spy);
933 var detached = innerNode.detach(),
934 event = spy.args[0][0];
936 expect(event.type).to.equal('nodeDetached');
937 expect(event.meta.node.sameNode(detached, 'detached node in event meta'));
938 expect(event.meta.parent.sameNode(node), 'original parent node in event meta');
941 it('emits nodeAdded event when appending new node', function() {
942 var node = elementNodeFromXML('<div></div>'),
944 node.document.on('change', spy);
946 var appended = node.append({tagName:'div'}),
947 event = spy.args[0][0];
948 expect(event.type).to.equal('nodeAdded');
949 expect(event.meta.node.sameNode(appended)).to.be.true;
952 it('emits nodeMoved when appending aready existing node', function() {
953 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
954 a = node.contents()[0],
955 b = node.contents()[1],
957 node.document.on('change', spy);
959 var appended = a.append(b),
960 event = spy.args[0][0];
962 expect(spy.callCount).to.equal(1);
963 expect(event.type).to.equal('nodeMoved');
964 expect(event.meta.node.sameNode(appended)).to.be.true;
965 expect(node.document.root.sameNode(event.meta.parent)).to.equal(true, 'previous parent attached to event meta');
968 it('emits nodeAdded event when prepending new node', function() {
969 var node = elementNodeFromXML('<div></div>'),
971 node.document.on('change', spy);
973 var prepended = node.prepend({tagName:'div'}),
974 event = spy.args[0][0];
975 expect(event.type).to.equal('nodeAdded');
976 expect(event.meta.node.sameNode(prepended)).to.be.true;
979 it('emits nodeMoved when prepending aready existing node', function() {
980 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
981 a = node.contents()[0],
982 b = node.contents()[1],
984 node.document.on('change', spy);
986 var prepended = a.prepend(b),
987 event = spy.args[0][0];
988 expect(spy.callCount).to.equal(1);
989 expect(event.type).to.equal('nodeMoved');
990 expect(event.meta.node.sameNode(prepended)).to.be.true;
993 it('emits nodeAdded event when inserting node after another', function() {
994 var node = elementNodeFromXML('<div><a></a></div>').contents()[0],
996 node.document.on('change', spy);
998 var inserted = node.after({tagName:'div'}),
999 event = spy.args[0][0];
1000 expect(event.type).to.equal('nodeAdded');
1001 expect(event.meta.node.sameNode(inserted)).to.be.true;
1004 it('emits nodeMoved when inserting aready existing node after another', function() {
1005 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
1006 a = node.contents()[0],
1007 b = node.contents()[1],
1009 node.document.on('change', spy);
1010 var inserted = b.after(a),
1011 event = spy.args[0][0];
1013 expect(spy.callCount).to.equal(1);
1014 expect(event.type).to.equal('nodeMoved');
1015 expect(event.meta.node.sameNode(inserted)).to.be.true;
1018 it('emits nodeAdded event when inserting node before another', function() {
1019 var node = elementNodeFromXML('<div><a></a></div>').contents()[0],
1021 node.document.on('change', spy);
1023 var inserted = node.before({tagName:'div'}),
1024 event = spy.args[0][0];
1025 expect(event.type).to.equal('nodeAdded');
1026 expect(event.meta.node.sameNode(inserted)).to.be.true;
1029 it('emits nodeAdded when inserting aready existing node before another', function() {
1030 var node = elementNodeFromXML('<div><a></a><b></b></div>'),
1031 a = node.contents()[0],
1032 b = node.contents()[1],
1034 node.document.on('change', spy);
1035 var inserted = a.before(b),
1036 event = spy.args[0][0];
1038 expect(spy.callCount).to.equal(1);
1039 expect(event.type).to.equal('nodeMoved');
1040 expect(event.meta.node.sameNode(inserted)).to.be.true;
1043 it('emits nodeDetached and nodeAdded when replacing root node with another', function() {
1044 var doc = getDocumentFromXML('<a></a>'),
1048 doc.on('change', spy);
1050 doc.root.replaceWith({tagName: 'b'});
1052 expect(spy.callCount).to.equal(2);
1054 var event1 = spy.args[0][0],
1055 event2 = spy.args[1][0];
1057 expect(event1.type).to.equal('nodeDetached');
1058 expect(event1.meta.node.sameNode(oldRoot)).to.equal(true, 'root node in nodeDetached event metadata');
1059 expect(event2.type).to.equal('nodeAdded');
1060 expect(event2.meta.node.sameNode(doc.root)).to.equal(true, 'new root node in nodelAdded event meta');
1064 ['append', 'prepend', 'before', 'after'].forEach(function(insertionMethod) {
1065 it('emits nodeDetached for node moved from a document tree to out of document node ' + insertionMethod, function() {
1066 var doc = getDocumentFromXML('<div><a></a></div>'),
1067 a = doc.root.contents()[0],
1070 doc.on('change', spy);
1072 var newNode = doc.createDocumentNode({tagName: 'b'}),
1073 newNodeInner = newNode.append({tagName:'c'});
1075 newNodeInner[insertionMethod](a);
1077 var event = spy.args[0][0];
1078 expect(event.type).to.equal('nodeDetached');
1079 expect(event.meta.node.sameNode(a));
1082 it('doesn\'t emit nodeDetached event for already out of document node moved to out of document node' + insertionMethod, function() {
1083 var doc = getDocumentFromXML('<div><a></a></div>'),
1086 doc.on('change', spy);
1088 var newNode = doc.createDocumentNode({tagName: 'b'});
1089 newNode.append({tagName:'c'});
1091 expect(spy.callCount).to.equal(0);
1098 describe('Traversing', function() {
1099 describe('Basic', function() {
1100 it('can access node parent', function() {
1101 var doc = getDocumentFromXML('<a><b></b></a>'),
1103 b = a.contents()[0];
1105 expect(a.parent()).to.equal(null, 'parent of a root is null');
1106 expect(b.parent().sameNode(a)).to.be.true;
1108 it('can access node parents', function() {
1109 var doc = getDocumentFromXML('<a><b><c></c></b></a>'),
1111 b = a.contents()[0],
1112 c = b.contents()[0];
1114 var parents = c.parents();
1116 expect(parents[0].sameNode(b)).to.be.true;
1117 expect(parents[1].sameNode(a)).to.be.true;
1121 describe('finding sibling parents of two elements', function() {
1122 it('returns elements themself if they have direct common parent', function() {
1123 var doc = getDocumentFromXML('<section><div><div>A</div><div>B</div></div></section>'),
1124 wrappingDiv = doc.root.contents()[0],
1125 divA = wrappingDiv.contents()[0],
1126 divB = wrappingDiv.contents()[1];
1128 var siblingParents = doc.getSiblingParents({node1: divA, node2: divB});
1130 expect(siblingParents.node1.sameNode(divA)).to.equal(true, 'divA');
1131 expect(siblingParents.node2.sameNode(divB)).to.equal(true, 'divB');
1134 it('returns sibling parents - example 1', function() {
1135 var doc = getDocumentFromXML('<section>Alice <span>has a cat</span></section>'),
1136 aliceText = doc.root.contents()[0],
1137 span = doc.root.contents()[1],
1138 spanText = span.contents()[0];
1140 var siblingParents = doc.getSiblingParents({node1: aliceText, node2: spanText});
1142 expect(siblingParents.node1.sameNode(aliceText)).to.equal(true, 'aliceText');
1143 expect(siblingParents.node2.sameNode(span)).to.equal(true, 'span');
1146 it('returns node itself for two same nodes', function() {
1147 var doc = getDocumentFromXML('<section><div></div></section>'),
1148 div = doc.root.contents()[0];
1150 var siblingParents = doc.getSiblingParents({node1: div, node2: div});
1151 expect(!!siblingParents.node1 && !!siblingParents.node2).to.equal(true, 'nodes defined');
1152 expect(siblingParents.node1.sameNode(div)).to.be.equal(true, 'node1');
1153 expect(siblingParents.node2.sameNode(div)).to.be.equal(true, 'node2');
1158 describe('Serializing document to WLXML', function() {
1159 it('keeps document intact when no changes have been made', function() {
1160 var xmlIn = '<section>Alice<div>has</div>a <span class="uri" meta-uri="http://cat.com">cat</span>!</section>',
1161 doc = getDocumentFromXML(xmlIn),
1162 xmlOut = doc.toXML();
1164 var parser = new DOMParser(),
1165 input = parser.parseFromString(xmlIn, 'application/xml').childNodes[0],
1166 output = parser.parseFromString(xmlOut, 'application/xml').childNodes[0];
1168 expect(input.isEqualNode(output)).to.be.true;
1171 it('keeps entities intact', function() {
1172 var xmlIn = '<section>< ></section>',
1173 doc = getDocumentFromXML(xmlIn),
1174 xmlOut = doc.toXML();
1175 expect(xmlOut).to.equal(xmlIn);
1177 it('keeps entities intact when they form html/xml', function() {
1178 var xmlIn = '<section><abc></section>',
1179 doc = getDocumentFromXML(xmlIn),
1180 xmlOut = doc.toXML();
1181 expect(xmlOut).to.equal(xmlIn);
1185 describe('Extension API', function() {
1186 var doc, extension, elementNode, textNode;
1188 beforeEach(function() {
1189 doc = getDocumentFromXML('<section>Alice<div class="test_class"></div></section>');
1190 elementNode = doc.root;
1191 textNode = doc.root.contents()[0];
1194 expect(elementNode.testTransformation).to.be.undefined;
1195 expect(textNode.testTransformation).to.be.undefined;
1196 expect(doc.testTransformation).to.be.undefined;
1198 expect(doc.testMethod).to.be.undefined;
1199 expect(elementNode.testMethod).to.be.undefined;
1200 expect(textNode.testMethod).to.be.undefined;
1201 expect(elementNode.elementTestMethod).to.be.undefined;
1202 expect(textNode.textTestMethod).to.be.undefined;
1205 it('allows adding method to a document', function() {
1206 extension = {document: {methods: {
1207 testMethod: function() { return this; }
1210 doc.registerExtension(extension);
1211 expect(doc.testMethod()).to.equal(doc, 'context is set to a document instance');
1214 it('allows adding transformation to a document', function() {
1215 extension = {document: {transformations: {
1216 testTransformation: function() { return this; },
1217 testTransformation2: {impl: function() { return this;}}
1220 doc.registerExtension(extension);
1221 expect(doc.testTransformation()).to.equal(doc, 'context is set to a document instance');
1222 expect(doc.testTransformation2()).to.equal(doc, 'context is set to a document instance');
1225 it('allows adding method to a DocumentNode instance', function() {
1229 testMethod: function() { return this; }
1234 textTestMethod: function() { return this; }
1239 elementTestMethod: function() { return this; }
1244 doc.registerExtension(extension);
1247 elementNode = doc.root;
1248 textNode = doc.root.contents()[0];
1250 expect(elementNode.testMethod().sameNode(elementNode)).to.equal(true, 'context is set to a node instance');
1251 expect(textNode.testMethod().sameNode(textNode)).to.equal(true, 'context is set to a node instance');
1253 expect(elementNode.elementTestMethod().sameNode(elementNode)).to.be.true;
1254 expect(elementNode.textTestMethod).to.be.undefined;
1256 expect(textNode.textTestMethod().sameNode(textNode)).to.be.true;
1257 expect(textNode.elementTestMethod).to.be.undefined;
1260 it('allows adding transformation to a DocumentNode', function() {
1264 testTransformation: function() { return this; },
1265 testTransformation2: {impl: function() { return this;}}
1270 textTestTransformation: function() { return this; }
1275 elementTestTransformation: function() { return this; }
1280 doc.registerExtension(extension);
1283 elementNode = doc.root;
1284 textNode = doc.root.contents()[0];
1286 expect(elementNode.testTransformation().sameNode(elementNode)).to.equal(true, '1');
1287 expect(elementNode.testTransformation2().sameNode(elementNode)).to.equal(true, '2');
1288 expect(textNode.testTransformation().sameNode(textNode)).to.equal(true, '3');
1289 expect(textNode.testTransformation2().sameNode(textNode)).to.equal(true, '4');
1291 expect(elementNode.elementTestTransformation().sameNode(elementNode)).to.be.true;
1292 expect(elementNode.textTestTransformation).to.be.undefined;
1294 expect(textNode.textTestTransformation().sameNode(textNode)).to.be.true;
1295 expect(textNode.elementTestTransfomation).to.be.undefined;
1298 it('allows text/element node methods and transformations to access node and transormations on document node', function() {
1300 var doc = getDocumentFromXML('<div>text</div>');
1302 doc.registerExtension({
1311 return 'super_trans';
1318 return 'element_sub_' + this.__super__.test();
1323 return 'element_trans_sub_' + this.__super__.testT();
1330 return 'text_sub_' + this.__super__.test();
1335 return 'text_trans_sub_' + this.__super__.testT();
1341 var textNode = doc.root.contents()[0];
1343 expect(doc.root.test()).to.equal('element_sub_super');
1344 expect(textNode.test()).to.equal('text_sub_super');
1345 expect(doc.root.testT()).to.equal('element_trans_sub_super_trans');
1346 expect(textNode.testT()).to.equal('text_trans_sub_super_trans');
1350 describe('Undo/redo', function() {
1352 it('smoke tests', function() {
1353 var doc = getDocumentFromXML('<div>Alice</div>'),
1354 textNode = doc.root.contents()[0];
1356 expect(doc.undoStack).to.have.length(0);
1358 textNode.wrapWith({tagName: 'span', start:1, end:2});
1359 expect(doc.undoStack).to.have.length(1, '1');
1360 expect(doc.toXML()).to.equal('<div>A<span>l</span>ice</div>');
1363 expect(doc.undoStack).to.have.length(0, '2');
1364 expect(doc.toXML()).to.equal('<div>Alice</div>');
1367 expect(doc.undoStack).to.have.length(1, '3');
1368 expect(doc.toXML()).to.equal('<div>A<span>l</span>ice</div>');
1371 expect(doc.undoStack).to.have.length(0, '4');
1372 expect(doc.toXML()).to.equal('<div>Alice</div>');
1375 expect(doc.undoStack).to.have.length(0, '5');
1376 expect(doc.toXML()).to.equal('<div>Alice</div>');
1379 it('smoke tests 2', function() {
1380 var doc = getDocumentFromXML('<div>Alice</div>'),
1381 textNode = doc.root.contents()[0],
1382 path = textNode.getPath();
1384 textNode.setText('Alice ');
1385 textNode.setText('Alice h');
1386 textNode.setText('Alice ha');
1387 textNode.setText('Alice has');
1389 expect(textNode.getText()).to.equal('Alice has');
1392 expect(doc.root.contents()[0].getText()).to.equal('Alice ha', '1');
1395 expect(doc.root.contents()[0].getText()).to.equal('Alice h', '2');
1398 expect(doc.root.contents()[0].getText()).to.equal('Alice ha', '3');
1401 expect(doc.root.contents()[0].getText()).to.equal('Alice has', '4');
1405 textNode = doc.getNodeByPath(path);
1406 textNode.setText('Cat');
1408 textNode = doc.getNodeByPath(path);
1409 expect(textNode.getText()).to.equal('Alice h');
1413 var sampleMethod = function(val) {
1414 this._$.attr('x', val);
1415 this.triggerChangeEvent();
1418 var transformations = {
1419 'unaware': sampleMethod,
1420 'returning change root': {
1422 getChangeRoot: function() {
1423 return this.context;
1426 'implementing undo operation': {
1427 impl: function(t, val) {
1428 t.oldVal = this.getAttr('x');
1429 sampleMethod.call(this, val);
1432 this.setAttr('x', t.oldVal);
1437 _.pairs(transformations).forEach(function(pair) {
1439 transformaton = pair[1];
1441 describe(name + ' transformation: ', function() {
1442 var doc, node, nodePath;
1444 beforeEach(function() {
1445 doc = getDocumentFromXML('<div><test x="old"></test></div>');
1447 doc.registerExtension({elementNode: {transformations: {
1451 node = doc.root.contents()[0];
1452 nodePath = node.getPath();
1455 it('transforms as expected', function() {
1457 expect(node.getAttr('x')).to.equal('new');
1460 it('can be undone', function() {
1463 node = doc.getNodeByPath(nodePath);
1464 expect(node.getAttr('x')).to.equal('old');
1467 it('can be undone and then redone', function() {
1471 node = doc.getNodeByPath(nodePath);
1472 expect(node.getAttr('x')).to.equal('new');
1475 it('handles a sample scenario', function() {
1476 doc.root.contents()[0].test('1');
1477 doc.root.contents()[0].test('2');
1478 doc.root.contents()[0].test('3');
1479 doc.root.contents()[0].test('4');
1480 doc.root.contents()[0].test('5');
1482 expect(doc.root.contents()[0].getAttr('x')).to.equal('5', 'after initial transformations');
1484 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undo 1.1');
1486 expect(doc.root.contents()[0].getAttr('x')).to.equal('3', 'undo 1.2');
1488 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'redo 1.1');
1490 expect(doc.root.contents()[0].getAttr('x')).to.equal('5', 'redo 1.2');
1492 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undo 2.1');
1493 doc.root.contents()[0].test('10');
1494 expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'additional transformation');
1495 expect(doc.redoStack.length).to.equal(0, 'transformation cleared redo stack');
1497 expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'empty redoStack so redo was noop');
1499 expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undoing additional transformation');
1501 expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'redoing additional transformation');
1506 it('smoke tests nested transformations', function() {
1507 var doc = getDocumentFromXML('<div></div>');
1509 doc.registerExtension({elementNode: {transformations: {
1510 nested: function(v) {
1511 this._$.attr('innerAttr', v);
1512 this.triggerChangeEvent();
1514 outer: function(v) {
1516 this._$.attr('outerAttr', v);
1517 this.triggerChangeEvent();
1521 doc.root.outer('test1');
1522 doc.root.outer('test2');
1524 expect(doc.root.getAttr('innerAttr')).to.equal('test2');
1525 expect(doc.root.getAttr('outerAttr')).to.equal('test2');
1529 expect(doc.root.getAttr('innerAttr')).to.equal('test1');
1530 expect(doc.root.getAttr('outerAttr')).to.equal('test1');
1534 expect(doc.root.getAttr('innerAttr')).to.equal(undefined);
1535 expect(doc.root.getAttr('outerAttr')).to.equal(undefined);
1539 expect(doc.root.getAttr('innerAttr')).to.equal('test1');
1540 expect(doc.root.getAttr('outerAttr')).to.equal('test1');
1544 expect(doc.root.getAttr('innerAttr')).to.equal('test2');
1545 expect(doc.root.getAttr('outerAttr')).to.equal('test2');
1549 it('ignores transformation if document didn\'t emit change event', function() {
1550 var doc = getDocumentFromXML('<div></div>');
1552 doc.registerExtension({elementNode: {transformations: {
1559 expect(doc.undoStack.length).to.equal(0);
1563 describe('Transactions', function() {
1564 it('allows to undo/redo series of transformations at once', function() {
1565 var doc = getDocumentFromXML('<div></div>');
1567 doc.registerExtension({
1568 elementNode: {transformations: {
1570 this.setAttr('test', v);
1575 doc.startTransaction();
1579 doc.endTransaction();
1582 expect(doc.root.getAttr('test'), '1');
1584 expect(doc.root.getAttr('test'), '3');
1586 expect(doc.root.getAttr('test'), '1');
1588 expect(doc.root.getAttr('test'), '3');
1591 it('ignores empty transactions', function() {
1592 var doc = getDocumentFromXML('<div></div>');
1593 doc.startTransaction();
1594 doc.endTransaction();
1595 expect(doc.undoStack).to.have.length(0, 'empty transaction doesn\'t get pushed into undo stack');
1598 it('doesn\'t break on optimizations', function() {
1599 // This is a smoke test checking if optimizations made to transaction undoing
1600 // doesnt't break anything.
1601 var doc = getDocumentFromXML('<div smart="1" unaware="1"></div>');
1603 doc.registerExtension({
1604 elementNode: {transformations: {
1605 unaware: function(v) {
1606 this.setAttr('unware', v);
1607 this.triggerChangeEvent();
1610 impl: function(t, v) {
1611 t.oldVal = this.getAttr('smart');
1612 this.setAttr('smart', v);
1613 this.triggerChangeEvent();
1616 this.setAttr('smart', t.oldVal);
1617 this.triggerChangeEvent();
1623 doc.startTransaction();
1624 doc.root.smart('2');
1625 doc.root.unaware('2');
1626 doc.root.smart('3');
1627 doc.root.unaware('3');
1628 doc.endTransaction();
1632 expect(doc.root.getAttr('smart')).to.equal('1');
1633 expect(doc.root.getAttr('unaware')).to.equal('1');
1636 it('can have associated metadata', function() {
1637 var doc = getDocumentFromXML('<div></div>'),
1638 metadata = Object.create({});
1640 doc.registerExtension({document: {transformations: {
1642 this.trigger('change');
1646 doc.startTransaction(metadata);
1648 doc.endTransaction();
1650 var transaction = doc.undoStack[0];
1651 expect(transaction.metadata).to.equal(metadata);
1655 describe('Regression tests', function() {
1656 it('redos correctly after running its own undo followed by unaware transformation undo', function() {
1657 var doc = getDocumentFromXML('<section t="0"></section>');
1659 doc.registerExtension({elementNode: {transformations: {
1660 unaware: function() {
1661 this.triggerChangeEvent();
1665 this._$.attr('t', 1);
1666 this.triggerChangeEvent();
1669 this._$.attr('t', 0);
1679 expect(doc.root.getAttr('t')).to.equal('1');