09fdfeb26c3f6f32c77e5f1c48767851f02e2aa9
[fnpeditor.git] / src / smartxml / smartxml.test.js
1 define([
2     'libs/chai',
3     'libs/sinon',
4     './smartxml.js'
5 ], function(chai, sinon, smartxml) {
6     
7 'use strict';
8 /*jshint expr:true */
9 /* global describe, it, beforeEach */
10
11 var expect = chai.expect;
12
13
14 var getDocumentFromXML = function(xml) {
15     return smartxml.documentFromXML(xml);
16 };
17
18 var elementNodeFromParams = function(params) {
19     return smartxml.elementNodeFromXML('<' + params.tag + '></' + params.tag + '>');
20 };
21
22 var elementNodeFromXML = function(xml) {
23     return smartxml.elementNodeFromXML(xml);
24 };
25
26
27 describe('smartxml', function() {
28
29     describe('Basic Document properties', function() {
30         it('exposes its root element', function() {
31             var doc = getDocumentFromXML('<div></div>');
32             expect(doc.root.getTagName()).to.equal('div');
33         });
34
35         it('can resets its content entirely', function() {
36             var doc = getDocumentFromXML('<div></div>');
37
38             expect(doc.root.getTagName()).to.equal('div');
39
40             doc.loadXML('<header></header>');
41             expect(doc.root.getTagName()).to.equal('header');
42         });
43
44         it('knows if it contains an ElementNode in its tree', function() {
45             var doc = getDocumentFromXML('<root><a></a>text</root>'),
46                 root = doc.root,
47                 a = root.contents()[0],
48                 text = root.contents()[1];
49
50             expect(doc.containsNode(root)).to.equal(true, 'contains its root');
51             expect(doc.containsNode(a)).to.equal(true, 'contains Element Node');
52             expect(doc.containsNode(text)).to.equal(true, 'contains Text Node');
53         });
54     });
55
56     describe('Basic ElementNode properties', function() {
57         it('exposes node contents', function() {
58             var node = elementNodeFromXML('<node>Some<node>text</node>is here</node>'),
59                 contents = node.contents();
60
61             expect(contents).to.have.length(3);
62             expect(contents[0].nodeType).to.equal(Node.TEXT_NODE, 'text node 1');
63             expect(contents[1].nodeType).to.equal(Node.ELEMENT_NODE, 'element node 1');
64             expect(contents[2].nodeType).to.equal(Node.TEXT_NODE, 'text node 2');
65         });
66
67         describe('Storing custom data', function() {
68             var node;
69
70             beforeEach(function() {
71                 node = elementNodeFromXML('<div></div>');
72             });
73
74             it('can append single value', function() {
75                 node.setData('key', 'value');
76                 expect(node.getData('key')).to.equal('value');
77             });
78
79             it('can overwrite the whole data', function() {
80                 node.setData('key1', 'value1');
81                 node.setData({key2: 'value2'});
82                 expect(node.getData('key2')).to.equal('value2');
83             });
84
85             it('can fetch the whole data at once', function() {
86                 node.setData({key1: 'value1', key2: 'value2'});
87                 expect(node.getData()).to.eql({key1: 'value1', key2: 'value2'});
88             });
89         });
90
91         describe('Changing node tag', function() {
92
93             it('can change tag name', function() {
94                 var node = elementNodeFromXML('<div></div>');
95                 node.setTag('span');
96                 expect(node.getTagName()).to.equal('span');
97             });
98
99             it('emits nodeTagChange event', function() {
100                 var node = elementNodeFromXML('<div></div>'),
101                     spy = sinon.spy();
102
103                 node.document.on('change', spy);
104                 node.setTag('span');
105                 var event = spy.args[0][0];
106
107                 expect(event.type).to.equal('nodeTagChange');
108                 expect(event.meta.node.sameNode(node)).to.be.true;
109                 expect(event.meta.oldTagName).to.equal('div');
110             });
111
112             describe('Implementation specific expectations', function() {
113                 // DOM specifies ElementNode tag as a read-only property, so
114                 // changing it in a seamless way is a little bit tricky. For this reason
115                 // the folowing expectations are required, despite the fact that they actually are
116                 // motivated by implemetation details.
117
118                 it('keeps node in the document', function() {
119                     var doc = getDocumentFromXML('<div><header></header></div>'),
120                         header = doc.root.contents()[0];
121                     header.setTag('span');
122                     expect(header.parent().sameNode(doc.root)).to.be.true;
123                 });
124                 it('keeps custom data', function() {
125                     var node = elementNodeFromXML('<div></div>');
126
127                     node.setData('key', 'value');
128                     node.setTag('header');
129                     
130                     expect(node.getTagName()).to.equal('header');
131                     expect(node.getData()).to.eql({key: 'value'});
132                 });
133
134                 it('can change document root tag name', function() {
135                     var doc = getDocumentFromXML('<div></div>');
136                     doc.root.setTag('span');
137                     expect(doc.root.getTagName()).to.equal('span');
138                 });
139
140                 it('keeps contents', function() {
141                     var node = elementNodeFromXML('<div><div></div></div>');
142                     node.setTag('header');
143                     expect(node.contents()).to.have.length(1);
144                 });
145             });
146
147         describe('Setting node attributes', function() {
148             it('can set node attribute', function() {
149                 var node = elementNodeFromXML('<div></div>');
150
151                 node.setAttr('key', 'value');
152                 expect(node.getAttr('key')).to.equal('value');
153             });
154             it('emits nodeAttrChange event', function() {
155                 var node = elementNodeFromXML('<div key="value1"></div>'),
156                     spy = sinon.spy();
157
158                 node.document.on('change', spy);
159                 node.setAttr('key', 'value2');
160                 var event = spy.args[0][0];
161
162                 expect(event.type).to.equal('nodeAttrChange');
163                 expect(event.meta.node.sameNode(node)).to.be.true;
164                 expect(event.meta.attr).to.equal('key');
165                 expect(event.meta.oldVal).to.equal('value1');
166             });
167         });
168
169         });
170     });
171
172     describe('Basic TextNode properties', function() {
173         it('can have its text set', function() {
174             var node = elementNodeFromXML('<div>Alice</div>'),
175                 textNode = node.contents()[0];
176
177             textNode.setText('Cat');
178             expect(textNode.getText()).to.equal('Cat');
179         });
180
181         it('emits nodeTextChange', function() {
182             var node = elementNodeFromXML('<div>Alice</div>'),
183                 textNode = node.contents()[0],
184                 spy = sinon.spy();
185
186             textNode.document.on('change', spy);
187             textNode.setText('Cat');
188
189             var event = spy.args[0][0];
190             expect(event.type).to.equal('nodeTextChange');
191         });
192
193         it('puts NodeElement after itself', function() {
194             var node = elementNodeFromXML('<div>Alice</div>'),
195                 textNode = node.contents()[0],
196                 returned = textNode.after({tagName:'div'});
197             expect(returned.sameNode(node.contents()[1])).to.be.true;
198         });
199
200         it('puts NodeElement before itself', function() {
201             var node = elementNodeFromXML('<div>Alice</div>'),
202                 textNode = node.contents()[0],
203                 returned = textNode.before({tagName:'div'});
204             expect(returned.sameNode(node.contents()[0])).to.be.true;
205         });
206
207         describe('Wrapping TextNode contents', function() {
208
209             it('wraps DocumentTextElement', function() {
210                 var node = elementNodeFromXML('<section>Alice</section>'),
211                     textNode = node.contents()[0];
212                 
213                 var returned = textNode.wrapWith({tagName: 'header'}),
214                     parent = textNode.parent(),
215                     parent2 = node.contents()[0];
216
217                 expect(returned.sameNode(parent)).to.be.equal(true, 'wrapper is a parent');
218                 expect(returned.sameNode(parent2)).to.be.equal(true, 'wrapper has a correct parent');
219                 expect(returned.getTagName()).to.equal('header');
220             });
221
222             describe('wrapping part of DocumentTextElement', function() {
223                 [{start: 5, end: 12}, {start: 12, end: 5}].forEach(function(offsets) {
224                     it('wraps in the middle ' + offsets.start + '/' + offsets.end, function() {
225                         var node = elementNodeFromXML('<section>Alice has a cat</section>'),
226                             textNode = node.contents()[0];
227                         
228                         var returned = textNode.wrapWith({tagName: 'header', attrs: {'attr1': 'value1'}, start: offsets.start, end: offsets.end}),
229                             contents = node.contents();
230
231                         expect(contents.length).to.equal(3);
232                         
233                         expect(contents[0].nodeType).to.be.equal(Node.TEXT_NODE, 'first node is text node');
234                         expect(contents[0].getText()).to.equal('Alice');
235
236                         expect(contents[1].sameNode(returned)).to.be.true;
237                         expect(returned.getTagName()).to.equal('header');
238                         expect(returned.getAttr('attr1')).to.equal('value1');
239                         expect(contents[1].contents().length).to.equal(1, 'wrapper has one node inside');
240                         expect(contents[1].contents()[0].getText()).to.equal(' has a ');
241
242                         expect(contents[2].nodeType).to.be.equal(Node.TEXT_NODE, 'third node is text node');
243                         expect(contents[2].getText()).to.equal('cat');
244                     });
245                 });
246
247                 it('wraps whole text inside DocumentTextElement if offsets span entire content', function() {
248                     var node = elementNodeFromXML('<section>Alice has a cat</section>'),
249                          textNode = node.contents()[0];
250                      
251                     textNode.wrapWith({tagName: 'header', start: 0, end: 15});
252                     
253                     var contents = node.contents();
254                     expect(contents.length).to.equal(1);
255                     expect(contents[0].getTagName()).to.equal('header');
256                     expect(contents[0].contents()[0].getText()).to.equal('Alice has a cat');
257                 });
258             });
259         });
260
261     });
262
263     describe('Manipulations', function() {
264
265         it('appends element node to another element node', function() {
266             var node1 = elementNodeFromParams({tag: 'div'}),
267                 node2 = elementNodeFromParams({tag: 'a'}),
268                 node3 = elementNodeFromParams({tag: 'p'});
269             node1.append(node2);
270             node1.append(node3);
271             expect(node1.contents()[0].sameNode(node2)).to.be.true;
272             expect(node1.contents()[1].sameNode(node3)).to.be.true;
273         });
274
275         it('prepends element node to another element node', function() {
276             var node1 = elementNodeFromParams({tag: 'div'}),
277                 node2 = elementNodeFromParams({tag: 'a'}),
278                 node3 = elementNodeFromParams({tag: 'p'});
279             node1.prepend(node2);
280             node1.prepend(node3);
281             expect(node1.contents()[0].sameNode(node3)).to.be.true;
282             expect(node1.contents()[1].sameNode(node2)).to.be.true;
283         });
284
285         it('wraps element node with another element node', function() {
286             var node = elementNodeFromXML('<div></div>'),
287                 wrapper = elementNodeFromXML('<wrapper></wrapper>');
288
289             node.wrapWith(wrapper);
290             expect(node.parent().sameNode(wrapper)).to.be.true;
291         });
292
293         it('unwraps element node contents', function() {
294             var node = elementNodeFromXML('<div>Alice <div>has <span>propably</span> a cat</div>!</div>'),
295                 outerDiv = node.contents()[1];
296             
297             outerDiv.unwrapContent();
298
299             expect(node.contents().length).to.equal(3);
300             expect(node.contents()[0].getText()).to.equal('Alice has ');
301             expect(node.contents()[1].getTagName()).to.equal('span');
302             expect(node.contents()[2].getText()).to.equal(' a cat!');
303         });
304
305         it('unwrap single node from its parent', function() {
306             var doc = getDocumentFromXML('<div><a><b></b></a></div>'),
307                 div = doc.root,
308                 a = div.contents()[0],
309                 b = a.contents()[0];
310
311             var parent = b.unwrap();
312
313             expect(parent.sameNode(div)).to.equal(true, 'returns new parent');
314             expect(div.contents()).to.have.length(1, 'root contains only one node');
315             expect(div.contents()[0].sameNode(b)).to.equal(true, 'node got unwrapped');
316         });
317
318         describe('Wrapping text', function() {
319             it('wraps text spanning multiple sibling TextNodes', function() {
320                 var section = elementNodeFromXML('<section>Alice has a <span>small</span> cat</section>'),
321                     wrapper = section.wrapText({
322                         _with: {tagName: 'span', attrs: {'attr1': 'value1'}},
323                         offsetStart: 6,
324                         offsetEnd: 4,
325                         textNodeIdx: [0,2]
326                     });
327
328                 expect(section.contents().length).to.equal(2);
329                 expect(section.contents()[0].nodeType).to.equal(Node.TEXT_NODE);
330                 expect(section.contents()[0].getText()).to.equal('Alice ');
331
332                 var wrapper2 = section.contents()[1];
333                 expect(wrapper2.sameNode(wrapper)).to.be.true;
334                 expect(wrapper.getTagName()).to.equal('span');
335
336                 var wrapperContents = wrapper.contents();
337                 expect(wrapperContents.length).to.equal(3);
338                 expect(wrapperContents[0].getText()).to.equal('has a ');
339
340                 expect(wrapperContents[1].nodeType).to.equal(Node.ELEMENT_NODE);
341                 expect(wrapperContents[1].contents().length).to.equal(1);
342                 expect(wrapperContents[1].contents()[0].getText()).to.equal('small');
343             });
344         });
345
346         describe('Wrapping Nodes', function() {
347             it('wraps multiple sibling nodes', function() {
348                 var section = elementNodeFromXML('<section>Alice<div>has</div><div>a cat</div></section>'),
349                     aliceText = section.contents()[0],
350                     firstDiv = section.contents()[1],
351                     lastDiv = section.contents()[section.contents().length -1];
352
353                 var returned = section.document.wrapNodes({
354                         element1: aliceText,
355                         element2: lastDiv,
356                         _with: {tagName: 'header'}
357                     });
358
359                 var sectionContents = section.contents(),
360                     header = sectionContents[0],
361                     headerContents = header.contents();
362
363                 expect(sectionContents).to.have.length(1);
364                 expect(header.sameNode(returned)).to.equal(true, 'wrapper returned');
365                 expect(header.parent().sameNode(section)).to.be.true;
366                 expect(headerContents).to.have.length(3);
367                 expect(headerContents[0].sameNode(aliceText)).to.equal(true, 'first node wrapped');
368                 expect(headerContents[1].sameNode(firstDiv)).to.equal(true, 'second node wrapped');
369                 expect(headerContents[2].sameNode(lastDiv)).to.equal(true, 'third node wrapped');
370             });
371
372             it('wraps multiple sibling Elements - middle case', function() {
373                 var section = elementNodeFromXML('<section><div></div><div></div><div></div><div></div></section>'),
374                     div2 = section.contents()[1],
375                     div3 = section.contents()[2];
376
377                 section.document.wrapNodes({
378                         element1: div2,
379                         element2: div3,
380                         _with: {tagName: 'header'}
381                     });
382
383                 var sectionContents = section.contents(),
384                     header = sectionContents[1],
385                     headerChildren = header.contents();
386
387                 expect(sectionContents).to.have.length(3);
388                 expect(headerChildren).to.have.length(2);
389                 expect(headerChildren[0].sameNode(div2)).to.equal(true, 'first node wrapped');
390                 expect(headerChildren[1].sameNode(div3)).to.equal(true, 'second node wrapped');
391             });
392         });
393
394     });
395
396     describe('Events', function() {
397         it('emits nodeDetached event on node detach', function() {
398             var node = elementNodeFromXML('<div><div></div></div>'),
399                 innerNode = node.contents()[0],
400                 spy = sinon.spy();
401             node.document.on('change', spy);
402             
403             var detached = innerNode.detach(),
404                 event = spy.args[0][0];
405
406             expect(event.type).to.equal('nodeDetached');
407             expect(event.meta.node.sameNode(detached, 'detached node in event meta'));
408             expect(event.meta.parent.sameNode(node), 'original parent node in event meta');
409         }),
410
411         it('emits nodeAdded event when appending new node', function() {
412             var node = elementNodeFromXML('<div></div>'),
413                 spy = sinon.spy();
414             node.document.on('change', spy);
415             
416             var appended = node.append({tagName:'div'}),
417                 event = spy.args[0][0];
418             expect(event.type).to.equal('nodeAdded');
419             expect(event.meta.node.sameNode(appended)).to.be.true;
420         });
421         
422         it('emits nodeMoved when appending aready existing node', function() {
423             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
424                 a = node.contents()[0],
425                 b = node.contents()[1],
426                 spy = sinon.spy();
427             node.document.on('change', spy);
428             
429             var appended = a.append(b),
430                 event = spy.args[0][0];
431
432             expect(spy.callCount).to.equal(1);
433             expect(event.type).to.equal('nodeMoved');
434             expect(event.meta.node.sameNode(appended)).to.be.true;
435         });
436         
437         it('emits nodeAdded event when prepending new node', function() {
438             var node = elementNodeFromXML('<div></div>'),
439                 spy = sinon.spy();
440             node.document.on('change', spy);
441             
442             var prepended = node.prepend({tagName:'div'}),
443                 event = spy.args[0][0];
444             expect(event.type).to.equal('nodeAdded');
445             expect(event.meta.node.sameNode(prepended)).to.be.true;
446         });
447         
448         it('emits nodeMoved when prepending aready existing node', function() {
449             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
450                 a = node.contents()[0],
451                 b = node.contents()[1],
452                 spy = sinon.spy();
453             node.document.on('change', spy);
454             
455             var prepended = a.prepend(b),
456                 event = spy.args[0][0];
457             expect(spy.callCount).to.equal(1);
458             expect(event.type).to.equal('nodeMoved');
459             expect(event.meta.node.sameNode(prepended)).to.be.true;
460         });
461         
462         it('emits nodeAdded event when inserting node after another', function() {
463             var node = elementNodeFromXML('<div><a></a></div>').contents()[0],
464                 spy = sinon.spy();
465             node.document.on('change', spy);
466             
467             var inserted = node.after({tagName:'div'}),
468                 event = spy.args[0][0];
469             expect(event.type).to.equal('nodeAdded');
470             expect(event.meta.node.sameNode(inserted)).to.be.true;
471         });
472         
473         it('emits nodeMoved when inserting aready existing node after another', function() {
474             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
475                 a = node.contents()[0],
476                 b = node.contents()[1],
477                 spy = sinon.spy();
478             node.document.on('change', spy);
479             var inserted = b.after(a),
480                 event = spy.args[0][0];
481
482             expect(spy.callCount).to.equal(1);
483             expect(event.type).to.equal('nodeMoved');
484             expect(event.meta.node.sameNode(inserted)).to.be.true;
485         });
486
487         it('emits nodeAdded event when inserting node before another', function() {
488             var node = elementNodeFromXML('<div><a></a></div>').contents()[0],
489                 spy = sinon.spy();
490             node.document.on('change', spy);
491             
492             var inserted = node.before({tagName:'div'}),
493                 event = spy.args[0][0];
494             expect(event.type).to.equal('nodeAdded');
495             expect(event.meta.node.sameNode(inserted)).to.be.true;
496         });
497         
498         it('emits nodeAdded when inserting aready existing node before another', function() {
499             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
500                 a = node.contents()[0],
501                 b = node.contents()[1],
502                 spy = sinon.spy();
503             node.document.on('change', spy);
504             var inserted = a.before(b),
505                 event = spy.args[0][0];
506
507             expect(spy.callCount).to.equal(1);
508             expect(event.type).to.equal('nodeMoved');
509             expect(event.meta.node.sameNode(inserted)).to.be.true;
510         });
511     });
512
513     describe('Traversing', function() {
514         describe('Basic', function() {
515             it('can access node parent', function() {
516                 var doc = getDocumentFromXML('<a><b></b></a>'),
517                     a = doc.root,
518                     b = a.contents()[0];
519
520                 expect(a.parent()).to.equal(null, 'parent of a root is null');
521                 expect(b.parent().sameNode(a)).to.be.true;
522             });
523             it('can access node parents', function() {
524                 var doc = getDocumentFromXML('<a><b><c></c></b></a>'),
525                     a = doc.root,
526                     b = a.contents()[0],
527                     c = b.contents()[0];
528
529                 var parents = c.parents();
530                 expect(parents).to.eql([b,a]);
531             });
532         });
533
534         describe('finding sibling parents of two elements', function() {
535             it('returns elements themself if they have direct common parent', function() {
536                 var doc = getDocumentFromXML('<section><div><div>A</div><div>B</div></div></section>'),
537                     wrappingDiv = doc.root.contents()[0],
538                     divA = wrappingDiv.contents()[0],
539                     divB = wrappingDiv.contents()[1];
540
541                 var siblingParents = doc.getSiblingParents({node1: divA, node2: divB});
542
543                 expect(siblingParents.node1.sameNode(divA)).to.equal(true, 'divA');
544                 expect(siblingParents.node2.sameNode(divB)).to.equal(true, 'divB');
545             });
546
547             it('returns sibling parents - example 1', function() {
548                 var doc = getDocumentFromXML('<section>Alice <span>has a cat</span></section>'),
549                     aliceText = doc.root.contents()[0],
550                     span = doc.root.contents()[1],
551                     spanText = span.contents()[0];
552
553                 var siblingParents = doc.getSiblingParents({node1: aliceText, node2: spanText});
554
555                 expect(siblingParents.node1.sameNode(aliceText)).to.equal(true, 'aliceText');
556                 expect(siblingParents.node2.sameNode(span)).to.equal(true, 'span');
557             });
558         });
559     });
560
561     describe('Serializing document to WLXML', function() {
562         it('keeps document intact when no changes have been made', function() {
563             var xmlIn = '<section>Alice<div>has</div>a <span class="uri" meta-uri="http://cat.com">cat</span>!</section>',
564                 doc = getDocumentFromXML(xmlIn),
565                 xmlOut = doc.toXML();
566
567             var parser = new DOMParser(),
568                 input = parser.parseFromString(xmlIn, 'application/xml').childNodes[0],
569                 output = parser.parseFromString(xmlOut, 'application/xml').childNodes[0];
570             
571             expect(input.isEqualNode(output)).to.be.true;
572         });
573
574         it('keeps entities intact', function() {
575             var xmlIn = '<section>&lt; &gt;</section>',
576                 doc = getDocumentFromXML(xmlIn),
577                 xmlOut = doc.toXML();
578             expect(xmlOut).to.equal(xmlIn);
579         });
580         it('keeps entities intact when they form html/xml', function() {
581             var xmlIn = '<section>&lt;abc&gt;</section>',
582                 doc = getDocumentFromXML(xmlIn),
583                 xmlOut = doc.toXML();
584             expect(xmlOut).to.equal(xmlIn);
585         });
586     });
587
588 });
589
590 });