Improving test
[fnpeditor.git] / modules / documentCanvas / canvas / canvas.test3.js
1 define([
2 'libs/chai',
3 'libs/sinon',
4 'modules/documentCanvas/canvas/canvas',
5 'modules/documentCanvas/canvas/documentElement'
6 ], function(chai, sinon, canvas, documentElement) {
7     
8 'use strict';
9
10 var expect = chai.expect;
11
12
13 describe('Canvas', function() {
14
15     describe('Internal HTML representation of a sample document', function() {
16         it('works', function() {
17             var c = canvas.fromXML('\
18                 <section>\
19                     This is some text without its own wrapping tag.\
20                     <div class="p.subclass">\
21                         This is a paragraph.\
22                     </div>\
23                     <div>\
24                         This is text in a div <span>with some inline text</span>.\
25                     </div>\
26                     This is some text without its own wrapping tag.\
27                 </section>\
28             ');
29             var expected = '<div wlxml-tag="section">'
30                             + 'This is some text without its own wrapping tag.'
31                             + '<div wlxml-tag="div" wlxml-class="p-subclass">This is a paragraph.</div>'
32                             + '<div wlxml-tag="div">This is text in a div <div wlxml-tag="span">with some inline text</div>.</div>'
33                             + 'This is some text without its own wrapping tag.'
34                             + '</div>';
35             expect(c.doc().dom()[0].isEqualNode($(expected)[0])).to.be.true;
36         });
37     });
38
39     describe('Internal HTML representation of a DocumentNodeElement', function() {
40         it('is always a div tag', function() {
41             ['section', 'header', 'span', 'aside', 'figure'].forEach(function(tagName) {
42                 var dom = canvas.fromXML('<' + tagName + '></' + tagName + '>').doc().dom();
43                 expect(dom.prop('tagName')).to.equal('DIV', tagName + ' is represented as div');
44             });
45         });
46         it('has wlxml tag put into wlxml-tag attribute', function() {
47             var dom = canvas.fromXML('<section></section>').doc().dom();
48             expect(dom.attr('wlxml-tag')).to.equal('section');
49         });
50         it('has wlxml class put into wlxml-class, dots replaced with dashes', function() {
51             var dom = canvas.fromXML('<section class="some.class"></section>').doc().dom();
52             expect(dom.attr('wlxml-class')).to.equal('some-class');
53         });
54     });
55
56     describe('Internal HTML representation of a DocumentTextElement', function() {
57         it('is just a TextNode', function() {
58             var dom = canvas.fromXML('<section>Alice</section>').doc().children()[0].dom();
59             expect(dom[0].nodeType === Node.TEXT_NODE);
60         });
61     });
62
63     describe('basic properties', function() {
64         it('renders empty document when canvas created from empty XML', function() {
65             var c = canvas.fromXML('');
66             expect(c.doc()).to.equal(null);
67         });
68
69         it('gives access to its document root node', function() {
70             var c = canvas.fromXML('<section></section>');
71             expect(c.doc().getWlxmlTag()).to.equal('section');
72         });
73
74         describe('DocumentTextElement', function() {
75             it('can have its content set', function() {
76                 var c = canvas.fromXML('<section>Alice</section>'),
77                     root = c.doc(),
78                     text = root.children()[0];
79                 
80                 text.setText('a cat');
81                 expect(root.children()[0].getText()).to.equal('a cat');
82             });
83         });
84
85         describe('DocumentNodeElement', function() {
86             it('knows index of its child', function() {
87                 var c = canvas.fromXML('<section><div></div><header></header><span></span></section>'),
88                     root = c.doc(),
89                     child = root.children()[1];
90                 expect(root.childIndex(child)).to.equal(1);
91             });
92
93             it('knows WLXML tag it renders', function(){
94                 var c = canvas.fromXML('<section></section>'),
95                     section = c.doc();
96                 expect(section.getWlxmlTag()).to.equal('section', 'initial tag is section');
97                 section.setWlxmlTag('header');
98                 expect(section.getWlxmlTag()).to.equal('header', 'tag is changed to header');
99             });
100
101             it('knows WLXML class of a WLXML tag it renders', function(){
102                 var c = canvas.fromXML('<section class="some.class"></section>'),
103                     section = c.doc();
104                 expect(section.getWlxmlClass()).to.equal('some.class');
105                 section.setWlxmlClass('some.other.class');
106                 expect(section.getWlxmlClass()).to.equal('some.other.class');
107                 section.setWlxmlClass(null);
108                 expect(section.getWlxmlClass()).to.be.undefined;
109             });
110         });
111
112         it('returns DocumentNodeElement instance from HTMLElement', function() {
113             var c = canvas.fromXML('<section></section>'),
114                 htmlElement = c.doc().dom().get(0),
115                 element = c.getDocumentElement(htmlElement);
116             expect(element).to.be.instanceOf(documentElement.DocumentNodeElement);
117             expect(element.sameNode(c.doc()));
118         });
119         
120         it('returns DocumentTextElement instance from Text Node', function() {
121             var c = canvas.fromXML('<section>Alice</section>'),
122                 aliceElement = c.doc().children()[0],
123                 textNode = aliceElement.dom()[0],
124                 element = c.getDocumentElement(textNode);
125
126             expect(textNode.nodeType).to.equal(Node.TEXT_NODE, 'text node selected');
127             expect($(textNode).text()).to.equal('Alice');
128
129             expect(element).to.be.instanceOf(documentElement.DocumentTextElement);
130             expect(element.sameNode(c.doc().children()[0]));
131         });
132     });
133
134
135
136     describe('document representation api', function() {
137         describe('document root element', function() {
138             var c = canvas.fromXML('<section></section>');
139             it('exists', function() {
140                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentElement);
141             });
142             it('is of type DocumentNodeElement', function() {
143                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentNodeElement);
144             });
145         });
146
147         describe('DocumentElements comparison', function() {
148             it('reports dwo DocumentElements to be the same when they represent the same wlxml document element', function() {
149                 var c = canvas.fromXML('<section><div></div><div></div></section>'),
150                     first_div1 = c.doc().children()[0],
151                     first_div2 = c.doc().children()[0],
152                     second_div = c.doc().children()[1];
153                 expect(first_div1.sameNode(first_div1)).to.be.true;
154                 expect(first_div1.sameNode(first_div2)).to.be.true;
155                 expect(first_div1.sameNode(second_div)).to.be.false;
156             });
157         });
158
159         describe('traversing', function() {
160             it('reports element nodes', function() {
161                 var c = canvas.fromXML('<section><div></div></section>'),
162                     children = c.doc().children();
163                 expect(children.length).to.equal(1);
164                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
165
166                 c = canvas.fromXML('<section><div></div><div></div></section>'),
167                     children = c.doc().children();
168                 expect(children.length).to.equal(2);
169                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
170                 expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
171             });
172             
173             it('reports text nodes', function() {
174                 var c = canvas.fromXML('<section>Alice</section>'),
175                     children = c.doc().children();
176                 expect(children.length).to.equal(1);
177                 expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
178             });
179
180             describe('accessing parents', function() {
181                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentNodeElement parent', function() {
182                     var c = canvas.fromXML('<section><div></div></section>'),
183                         div = c.doc().children()[0];
184                     expect(div.parent().sameNode(c.doc())).to.be.true;
185                 });
186                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentTextElement parent', function() {
187                     var c = canvas.fromXML('<section>Alice</section>'),
188                         text = c.doc().children()[0];
189                     expect(text.parent().sameNode(c.doc())).to.be.true;
190                 });
191             });
192
193             describe('free text handling', function() {
194                     it('sees free text', function() {
195                         var c = canvas.fromXML('<section>Alice <span>has</span> a cat</section>'),
196                             children = c.doc().children();
197                         expect(children.length).to.equal(3);
198                         expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
199                         expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
200                         expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
201                     });
202             });
203             
204             describe('white characters handling', function() {
205                 it('says empty element node has no children', function() {
206                     var c = canvas.fromXML('<section></section>');
207                     expect(c.doc().children().length).to.equal(0);
208                 });
209                 it('says element node with one space has one DocumentTextElement', function() {
210                     var c = canvas.fromXML('<section> </section>');
211                     expect(c.doc().children().length).to.equal(1);
212                     expect(c.doc().children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
213                     expect(c.doc().children()[0].getText()).to.equal(' ');
214                 });
215                 it('ignores white space surrounding block elements', function() {
216                     var c = canvas.fromXML('<section> <div></div> </section>');
217                     var children = c.doc().children();
218                     expect(children.length).to.equal(1);
219                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
220                 });
221                 it('ignores white space between block elements', function() {
222                     var c = canvas.fromXML('<section><div></div> <div></div></section>');
223                     var children = c.doc().children();
224                     expect(children.length === 2);
225                     [0,1].forEach(function(idx) {
226                         expect(children[idx]).to.be.instanceOf(documentElement.DocumentNodeElement);
227                     });
228                 });
229
230                 it('trims white space from the beginning and the end of the block elements', function() {
231                     var c = canvas.fromXML('<section> Alice <span>has</span> a cat </section>');
232                     expect(c.doc().children()[0].getText()).to.equal('Alice ');
233                     expect(c.doc().children()[2].getText()).to.equal(' a cat');
234                 });
235
236                 it('normalizes string of white characters to one space at the inline element boundries', function() {
237                     var c = canvas.fromXML('<span>   Alice has a cat   </span>');
238                     expect(c.doc().children()[0].getText()).to.equal(' Alice has a cat ');
239                 });
240
241                 it('normalizes string of white characters to one space before inline element', function() {
242                     var c = canvas.fromXML('<div>Alice has  <span>a cat</span></div>');
243                     expect(c.doc().children()[0].getText()).to.equal('Alice has ');
244                 });
245                 
246                 it('normalizes string of white characters to one space after inline element', function() {
247                     var c = canvas.fromXML('<div>Alice has <span>a</span>  cat</div>');
248                     expect(c.doc().children()[2].getText()).to.equal(' cat');
249                 });
250             });
251         });
252
253         describe('manipulation api', function() {
254
255             describe('Basic Element inserting', function() {
256                 it('can put new NodeElement at the end', function() {
257                     var c = canvas.fromXML('<section></section>'),
258                         appended = c.doc().append({tag: 'header', klass: 'some.class'}),
259                         children = c.doc().children();
260
261                     expect(children.length).to.equal(1);
262                     expect(children[0].sameNode(appended));
263                 });
264
265                 it('can put new TextElement at the end', function() {
266                     var c = canvas.fromXML('<section></section>'),
267                         appended = c.doc().append({text: 'Alice'}),
268                         children = c.doc().children();
269
270                     expect(children.length).to.equal(1);
271                     expect(children[0].sameNode(appended));
272                     expect(children[0].getText()).to.equal('Alice');
273                 });
274
275                 it('can put new NodeElement after another NodeElement', function() {
276                     var c = canvas.fromXML('<section><div></div></section>'),
277                         div = c.doc().children()[0],
278                         added = div.after({tag: 'header', klass: 'some.class'}),
279                         children = c.doc().children();
280                     expect(children.length).to.equal(2);
281                     expect(children[1].sameNode(added));
282                 });
283
284                 it('can put new Nodeelement before another element', function() {
285                     var c = canvas.fromXML('<section><div></div></section>'),
286                         div = c.doc().children()[0],
287                         added = div.before({tag: 'header', klass: 'some.class'}),
288                         children = c.doc().children();
289                     expect(children.length).to.equal(2);
290                     expect(children[0].sameNode(added));
291                 });
292
293                 it('can put new DocumentNodeElement after DocumentTextElement', function() {
294                     var c = canvas.fromXML('<section>Alice</section>'),
295                         text = c.doc().children()[0],
296                         added = text.after({tag: 'p'}),
297                         children = c.doc().children();
298
299                     expect(children.length).to.equal(2);
300                     expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
301                     expect(children[0].getText()).to.equal('Alice');
302                     expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
303                     expect(children[1].sameNode(added)).to.be.true;
304                 });
305                 it('can put new DocumentNodeElement before DocumentTextElement', function() {
306                     var c = canvas.fromXML('<section>Alice</section>'),
307                         text = c.doc().children()[0],
308                         added = text.before({tag: 'p'}),
309                         children = c.doc().children();
310
311                     expect(children.length).to.equal(2);
312                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
313                     expect(children[0].sameNode(added)).to.be.true;
314                     expect(children[1]).to.be.instanceOf(documentElement.DocumentTextElement);
315                     expect(children[1].getText()).to.equal('Alice');
316                 });
317             });
318
319             describe('Splitting text', function() {
320                 
321                 it('splits DocumentTextElement\'s parent into two DocumentNodeElements of the same type', function() {
322                     var c = canvas.fromXML('<section><header>Some header</header></section>'),
323                         section = c.doc(),
324                         text = section.children()[0].children()[0];
325
326                     text.split({offset: 5});
327                     expect(section.children().length).to.equal(2, 'section has two children');
328                     
329                     var header1 = section.children()[0];
330                     var header2 = section.children()[1];
331
332                     expect(header1.getWlxmlTag()).to.equal('header', 'first section child represents wlxml header');
333                     expect(header1.children().length).to.equal(1, 'first header has one text child');
334                     expect(header1.children()[0].getText()).to.equal('Some ', 'first header has correct content');
335                     expect(header2.getWlxmlTag()).to.equal('header', 'second section child represents wlxml header');
336                     expect(header2.children().length).to.equal(1, 'second header has one text child');
337                     expect(header2.children()[0].getText()).to.equal('header', 'second header has correct content');
338                 });
339
340                 it('leaves empty copy of DocumentNodeElement if splitting at the very beginning', function() {
341                         var c = canvas.fromXML('<section><header>Some header</header></section>'),
342                         section = c.doc(),
343                         text = section.children()[0].children()[0];
344
345                         text.split({offset: 0});
346                         
347                         var header1 = section.children()[0];
348                         var header2 = section.children()[1];
349
350                         expect(header1.children().length).to.equal(0);
351                         expect(header2.children()[0].getText()).to.equal('Some header');
352                 });
353
354                 it('leaves empty copy of DocumentNodeElement if splitting at the very end', function() {
355                         var c = canvas.fromXML('<section><header>Some header</header></section>'),
356                         section = c.doc(),
357                         text = section.children()[0].children()[0];
358
359                         text.split({offset: 11});
360                         
361                         var header1 = section.children()[0];
362                         var header2 = section.children()[1];
363
364                         expect(header1.children()[0].getText()).to.equal('Some header');
365                         expect(header2.children().length).to.equal(0);
366                 });
367
368                 it('keeps DocumentTextElement\'s parent\'s children elements intact', function() {
369                     var c = canvas.fromXML('\
370                             <section>\
371                                 <header>\
372                                     A <span>fancy</span> and <span>nice</span> header\
373                                 </header>\
374                             </section>'),
375                         section = c.doc(),
376                         header = section.children()[0],
377                         textAnd = header.children()[2];
378
379                     textAnd.split({offset: 2});
380                     
381                     var sectionChildren = section.children();
382                     expect(sectionChildren.length).to.equal(2, 'Section has two children');
383                     expect(sectionChildren[0].getWlxmlTag()).to.equal('header', 'First section element is a wlxml header');
384                     expect(sectionChildren[1].getWlxmlTag()).to.equal('header', 'Second section element is a wlxml header');
385
386                     var firstHeaderChildren = sectionChildren[0].children();
387                     expect(firstHeaderChildren.length).to.equal(3, 'First header has three children');
388                     expect(firstHeaderChildren[0].getText()).to.equal('A ', 'First header starts with a text');
389                     expect(firstHeaderChildren[1].getWlxmlTag()).to.equal('span', 'First header has span in the middle');
390                     expect(firstHeaderChildren[2].getText()).to.equal(' a', 'First header ends with text');
391
392                     var secondHeaderChildren = sectionChildren[1].children();
393                     expect(secondHeaderChildren.length).to.equal(3, 'Second header has three children');
394                     expect(secondHeaderChildren[0].getText()).to.equal('nd ', 'Second header starts with text');
395                     expect(secondHeaderChildren[1].getWlxmlTag()).to.equal('span', 'Second header has span in the middle');
396                     expect(secondHeaderChildren[2].getText()).to.equal(' header', 'Second header ends with text');
397                 });
398             });
399
400             describe('wrapping', function() {
401                 it('wraps DocumentNodeElement', function() {
402                     var c = canvas.fromXML('<section><div></div></section>'),
403                         div = c.doc().children()[0];
404                     
405                     var returned = div.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
406                         parent = div.parent(),
407                         parent2 = c.doc().children()[0];
408
409                     expect(returned.sameNode(parent)).to.be.true;
410                     expect(returned.sameNode(parent2)).to.be.true;
411                     expect(returned.getWlxmlTag()).to.equal('header');
412                     expect(returned.getWlxmlClass()).to.equal('some.class');
413                 });
414                 it('wraps DocumentTextElement', function() {
415                     var c = canvas.fromXML('<section>Alice</section>'),
416                         text = c.doc().children()[0];
417                     
418                     var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
419                         parent = text.parent(),
420                         parent2 = c.doc().children()[0];
421
422                     expect(returned.sameNode(parent)).to.be.true;
423                     expect(returned.sameNode(parent2)).to.be.true;
424                     expect(returned.getWlxmlTag()).to.equal('header');
425                     expect(returned.getWlxmlClass()).to.equal('some.class');
426                 });
427                 
428                 describe('wrapping part of DocumentTextElement', function() {
429                     [{start: 5, end: 12}, {start: 12, end: 5}].forEach(function(offsets) {
430                         it('wraps in the middle ' + offsets.start + '/' + offsets.end, function() {
431                             var c = canvas.fromXML('<section>Alice has a cat</section>'),
432                                 text = c.doc().children()[0];
433                             
434                             var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: offsets.start, end: offsets.end}),
435                                 children = c.doc().children();
436
437                             expect(children.length).to.equal(3);
438                             
439                             expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
440                             expect(children[0].getText()).to.equal('Alice');
441
442                             expect(children[1].sameNode(returned)).to.be.true;
443                             expect(returned.getWlxmlTag()).to.equal('header');
444                             expect(returned.getWlxmlClass()).to.equal('some.class');
445                             expect(children[1].children().length).to.equal(1);
446                             expect(children[1].children()[0].getText()).to.equal(' has a ');
447
448                             expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
449                             expect(children[2].getText()).to.equal('cat');
450                         });
451                     });
452
453                     it('wraps whole text inside DocumentTextElement if offsets span entire content', function() {
454                          var c = canvas.fromXML('<section>Alice has a cat</section>'),
455                              text = c.doc().children()[0];
456                          
457                          var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: 0, end: 15}),
458                              children = c.doc().children();
459
460                          expect(children.length).to.equal(1);
461                          expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
462                          expect(children[0].children()[0].getText()).to.equal('Alice has a cat');
463                     });
464                 });
465
466                 it('wraps text spanning multiple sibling DocumentTextNodes', function() {
467                     var c = canvas.fromXML('<section>Alice has a <span>small</span> cat</section>'),
468                         section = c.doc(),
469                         wrapper = c.wrapText({
470                             inside: section, 
471                             _with: {tag: 'span', klass: 'some.class'},
472                             offsetStart: 6,
473                             offsetEnd: 4,
474                             textNodeIdx: [0,2]
475                         });
476
477                     expect(section.children().length).to.equal(2);
478                     expect(section.children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
479                     expect(section.children()[0].getText()).to.equal('Alice ');
480
481                     var wrapper2 = section.children()[1];
482                     expect(wrapper2.sameNode(wrapper)).to.be.true;
483
484                     var wrapperChildren = wrapper.children();
485                     expect(wrapperChildren.length).to.equal(3);
486                     expect(wrapperChildren[0].getText()).to.equal('has a ');
487
488                     expect(wrapperChildren[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
489                     expect(wrapperChildren[1].children().length).to.equal(1);
490                     expect(wrapperChildren[1].children()[0].getText()).to.equal('small');
491
492                     expect(wrapperChildren[2].getText()).to.equal(' cat');
493                 });
494             });
495
496             describe('unwrapping', function() {
497                 it('unwraps DocumentTextElement from its parent DocumentNodeElement if it\'s its only child', function() {
498                     var c = canvas.fromXML('<section><div>Alice has a cat</div></section>'),
499                     section = c.doc(),
500                     text = section.children()[0].children()[0];
501
502                     text.unwrap();
503
504                     expect(section.children().length).to.equal(1);
505                     expect(section.children()[0].getText()).to.equal('Alice has a cat');
506                 })
507             });
508         });
509
510         describe('Lists api', function() {
511             describe('creating lists', function() {
512                 it('allows creation of a list from existing sibling DocumentElements', function() {
513                     var c = canvas.fromXML('\
514                         <section>\
515                             Alice\
516                             <div>has</div>\
517                             a\
518                             <div>cat</div>\
519                         </section>'),
520                         section = c.doc(),
521                         textHas = section.children()[1],
522                         divA = section.children()[2]
523                     
524                     c.list.create({element1: textHas, element2: divA});
525
526                     expect(section.children().length).to.equal(3, 'section has three child elements');
527
528                     var child1 = section.children()[0],
529                         list = section.children()[1],
530                         child3 = section.children()[2];
531
532                     expect(child1.getText()).to.equal('Alice');
533                     expect(list.is('list')).to.equal(true, 'second child is a list');
534                     expect(list.children().length).to.equal(2, 'list contains two elements');
535                     list.children().forEach(function(child) {
536                         expect(child.getWlxmlClass()).to.equal('item', 'list childs have wlxml class of item');
537                     });
538                     expect(child3.children()[0].getText()).to.equal('cat');
539                 });
540                 
541                 it('allows creating nested list from existing sibling list items', function() {
542                     var c = canvas.fromXML('\
543                         <section>\
544                             <div class="list-items">\
545                                 <div class="item">A</div>\
546                                 <div class="item">B</div>\
547                                 <div class="item">C</div>\
548                                 <div class="item">D</div>\
549                             </div>\
550                         </section>'),
551                         outerList = c.doc().children()[0],
552                         itemB = outerList.children()[1],
553                         itemC = outerList.children()[2];
554
555
556                         c.list.create({element1: itemB, element2: itemC});
557
558                     var outerListItems = outerList.children(),
559                         innerList = outerListItems[1].children()[0],
560                         innerListItems = innerList.children();
561
562                     expect(outerListItems.length).to.equal(3, 'outer list has three items');
563                     expect(outerListItems[0].children()[0].getText()).to.equal('A', 'first outer item ok');
564                     expect(outerListItems[1].getWlxmlClass()).to.equal('item', 'inner list is wrapped by item element');
565
566                     expect(innerList.is('list')).to.equal(true, 'inner list created');
567                     expect(innerListItems.length).to.equal(2, 'inner list has two items');
568                     expect(innerListItems[0].children()[0].getText()).to.equal('B', 'first inner item ok');
569                     expect(innerListItems[1].children()[0].getText()).to.equal('C', 'second inner item ok');
570
571                     expect(outerListItems[2].children()[0].getText()).to.equal('D', 'last outer item ok');
572
573                 });
574
575             });
576
577             describe('extracting list items', function() {
578                 it('creates two lists with extracted items in the middle if extracting from the middle of the list', function() {
579                     var c = canvas.fromXML('\
580                         <section>\
581                             <div class="list.items">\
582                                 <div class="item">0</div>\
583                                 <div class="item">1</div>\
584                                 <div class="item">2</div>\
585                                 <div class="item">3</div>\
586                             </div>\
587                         </section>'),
588                         list = c.doc().children()[0],
589                         item1 = list.children()[1],
590                         item2 = list.children()[2];
591
592                     c.list.extractItems({element1: item1, element2: item2});
593
594                     var section = c.doc(),
595                         list1 = section.children()[0],
596                         oldItem1 = section.children()[1],
597                         oldItem2 = section.children()[2],
598                         list2 = section.children()[3];
599
600                     expect(section.children().length).to.equal(4, 'section contains four children');
601                     
602                     expect(list1.is('list')).to.equal(true, 'first section child is a list');
603                     expect(list1.children().length).to.equal(1, 'first list has one child');
604                     expect(list1.children()[0].children()[0].getText()).to.equal('0', 'first item of the first list is a first item of the original list');
605
606                     expect(oldItem1.children()[0].getText()).to.equal('1', 'first item got extracted');
607                     expect(oldItem1.getWlxmlClass() === undefined).to.equal(true, 'first extracted element has no wlxml class');
608
609                     expect(oldItem2.children()[0].getText()).to.equal('2', 'second item got extracted');
610                     expect(oldItem2.getWlxmlClass() === undefined).to.equal(true, 'second extracted element has no wlxml class');
611
612                     expect(list2.is('list')).to.equal(true, 'last section child is a list');
613                     expect(list2.children().length).to.equal(1, 'second list has one child');
614                     expect(list2.children()[0].children()[0].getText()).to.equal('3', 'first item of the second list is a last item of the original list');
615                 });
616
617                 it('puts extracted items above the list if starting item is the first one', function() {
618                     var c = canvas.fromXML('\
619                         <section>\
620                             <div class="list.items">\
621                                 <div class="item">0</div>\
622                                 <div class="item">1</div>\
623                                 <div class="item">2</div>\
624                             </div>\
625                         </section>'),
626                         list = c.doc().children()[0],
627                         item1 = list.children()[0],
628                         item2 = list.children()[1],
629                         item3 = list.children()[2];
630
631                     c.list.extractItems({element1: item1, element2: item2});
632
633                     var section = c.doc(),
634                         oldItem1 = section.children()[0],
635                         oldItem2 = section.children()[1],
636                         newList = section.children()[2];
637
638                     expect(section.children().length).to.equal(3, 'section has three children');
639                     expect(oldItem1.children()[0].getText()).to.equal('0', 'first item extracted');
640                     expect(oldItem2.children()[0].getText()).to.equal('1', 'second item extracted');
641                     expect(newList.is('list')).to.equal(true, 'list lies below extracted item');
642                     expect(newList.children().length).to.equal(1, 'list has now one child');
643                 });
644
645                 it('puts extracted items below the list if ending item is the last one', function() {
646                     var c = canvas.fromXML('\
647                         <section>\
648                             <div class="list.items">\
649                                 <div class="item">0</div>\
650                                 <div class="item">1</div>\
651                                 <div class="item">2</div>\
652                             </div>\
653                         </section>'),
654                         list = c.doc().children()[0],
655                         item1 = list.children()[0],
656                         item2 = list.children()[1],
657                         item3 = list.children()[2];
658
659                     c.list.extractItems({element1: item2, element2: item3});
660
661                     var section = c.doc(),
662                         oldItem1 = section.children()[1],
663                         oldItem2 = section.children()[2],
664                         newList = section.children()[0];
665
666                     expect(section.children().length).to.equal(3, 'section has three children');
667                     expect(oldItem1.children()[0].getText()).to.equal('1', 'first item extracted');
668                     expect(oldItem2.children()[0].getText()).to.equal('2', 'second item extracted');
669                     expect(newList.is('list')).to.equal(true, 'list lies above extracted item');
670                     expect(newList.children().length).to.equal(1, 'list has now one child');
671                 });
672
673                 it('removes list if all its items are extracted', function() {
674                     var c = canvas.fromXML('\
675                         <section>\
676                             <div class="list.items">\
677                                 <div class="item">some item</div>\
678                                 <div class="item">some item 2</div>\
679                             </div>\
680                         </section>'),
681                         list = c.doc().children()[0],
682                         item1 = list.children()[0],
683                         item2 = list.children()[1];
684
685                     c.list.extractItems({element1: item1, element2: item2});
686
687                     var section = c.doc(),
688                         list1 = section.children()[0],
689                         oldItem1 = section.children()[0],
690                         oldItem2 = section.children()[1];
691
692                     expect(section.children().length).to.equal(2, 'section contains two children');
693                     expect(oldItem1.children()[0].getText()).to.equal('some item');
694                     expect(oldItem2.children()[0].getText()).to.equal('some item 2');
695                 });
696
697                 it('creates two lists with extracted items in the middle if extracting from the middle of the list - nested case' , function() {
698                     var c = canvas.fromXML('\
699                         <section>\
700                             <div class="list.items">\
701                                 <div class="item">0</div>\
702                                 <div class="item">\
703                                     <div class="list.items">\
704                                         <div class="item">1.1</div>\
705                                         <div class="item">1.2</div>\
706                                         <div class="item">1.3</div>\
707                                     </div>\
708                                 </div>\
709                                 <div class="item">2</div>\
710                             </div>\
711                         </section>'),
712                         list = c.doc().children()[0],
713                         nestedList = list.children()[1].children()[0],
714                         nestedListItem = nestedList.children()[1];
715
716                     c.list.extractItems({element1: nestedListItem, element2: nestedListItem});
717
718                     var section = c.doc(),
719                         list = section.children()[0],
720                         item1 = list.children()[0],
721                         item2 = list.children()[1], //
722                         item3 = list.children()[2],
723                         item4 = list.children()[3], //
724                         item5 = list.children()[4],
725                         nestedList1 = item2.children()[0],
726                         nestedList2 = item4.children()[0];
727
728                     expect(list.children().length).to.equal(5, 'top list has five items');
729                     
730                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
731
732                     expect(item2.getWlxmlClass()).to.equal('item', 'first nested list is still wrapped in item element');
733                     expect(nestedList1.children().length).to.equal(1, 'first nested list is left with one child');
734                     expect(nestedList1.children()[0].children()[0].getText()).to.equal('1.1', 'first nested list item left alone');
735                     
736                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
737
738                     expect(item4.getWlxmlClass()).to.equal('item', 'second nested list is still wrapped in item element');
739                     expect(nestedList2.children().length).to.equal(1, 'second nested list is left with one child');
740                     expect(nestedList2.children()[0].children()[0].getText()).to.equal('1.3', 'second nested list item left alone');
741
742                     expect(item5.children()[0].getText()).to.equal('2', 'last item ok');
743                 });
744
745                 it('puts extracted items below the list if ending item is the last one - nested case' , function() {
746                     var c = canvas.fromXML('\
747                         <section>\
748                             <div class="list.items">\
749                                 <div class="item">0</div>\
750                                 <div class="item">\
751                                     <div class="list.items">\
752                                         <div class="item">1.1</div>\
753                                         <div class="item">1.2</div>\
754                                         <div class="item">1.3</div>\
755                                     </div>\
756                                 </div>\
757                                 <div class="item">2</div>\
758                             </div>\
759                         </section>'),
760                         list = c.doc().children()[0],
761                         nestedList = list.children()[1].children()[0],
762                         nestedListItem1 = nestedList.children()[1],
763                         nestedListItem2 = nestedList.children()[2];
764
765                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
766
767                     var section = c.doc(),
768                         list = section.children()[0],
769                         item1 = list.children()[0],
770                         item2 = list.children()[1],
771                         item3 = list.children()[2],
772                         item4 = list.children()[3],
773                         item5 = list.children()[4];
774                     nestedList = item2.children()[0];
775
776                     expect(list.children().length).to.equal(5, 'top list has five items');
777                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
778                     expect(item2.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
779                     expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
780                     expect(nestedList.children()[0].children()[0].getText()).to.equal('1.1', 'nested list item left alone');
781                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
782                     expect(item4.children()[0].getText()).to.equal('1.3', 'fourth item ok');
783                     expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
784                 });
785
786                 it('puts extracted items above the list if starting item is the first one - nested case' , function() {
787                     var c = canvas.fromXML('\
788                         <section>\
789                             <div class="list.items">\
790                                 <div class="item">0</div>\
791                                 <div class="item">\
792                                     <div class="list.items">\
793                                         <div class="item">1.1</div>\
794                                         <div class="item">1.2</div>\
795                                         <div class="item">1.3</div>\
796                                     </div>\
797                                 </div>\
798                                 <div class="item">2</div>\
799                             </div>\
800                         </section>'),
801                         list = c.doc().children()[0],
802                         nestedList = list.children()[1].children()[0],
803                         nestedListItem1 = nestedList.children()[0],
804                         nestedListItem2 = nestedList.children()[1];
805
806                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
807
808                     var section = c.doc(),
809                         list = section.children()[0],
810                         item1 = list.children()[0],
811                         item2 = list.children()[1],
812                         item3 = list.children()[2],
813                         item4 = list.children()[3],
814                         item5 = list.children()[4];
815                     nestedList = item4.children()[0];
816
817                     expect(list.children().length).to.equal(5, 'top list has five items');
818                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
819                     expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
820                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
821                     
822                     expect(item4.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
823                     expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
824                     expect(nestedList.children()[0].children()[0].getText()).to.equal('1.3', 'nested list item left alone');
825                     expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
826                 });
827
828                 it('removes list if all its items are extracted - nested case', function() {
829                     var c = canvas.fromXML('\
830                         <section>\
831                             <div class="list.items">\
832                                 <div class="item">0</div>\
833                                 <div class="item">\
834                                     <div class="list.items">\
835                                         <div class="item">1.1</div>\
836                                         <div class="item">1.2</div>\
837                                     </div>\
838                                 </div>\
839                                 <div class="item">2</div>\
840                             </div>\
841                         </section>'),
842                         list = c.doc().children()[0],
843                         nestedList = list.children()[1].children()[0],
844                         nestedListItem1 = nestedList.children()[0],
845                         nestedListItem2 = nestedList.children()[1];
846
847                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
848
849                     var section = c.doc(),
850                         list = section.children()[0],
851                         item1 = list.children()[0],
852                         item2 = list.children()[1],
853                         item3 = list.children()[2],
854                         item4 = list.children()[3];
855
856                     expect(list.children().length).to.equal(4, 'top list has four items');
857                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
858                     expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
859                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
860                     expect(item4.children()[0].getText()).to.equal('2', 'fourth item ok');
861                 });
862
863                 it('extracts items out of outer most list when merge flag is set to false', function() {
864                     var c = canvas.fromXML('\
865                         <section>\
866                             <div class="list.items">\
867                                 <div class="item">0</div>\
868                                 <div class="item">\
869                                     <div class="list.items">\
870                                         <div class="item">1.1</div>\
871                                         <div class="item">1.2</div>\
872                                     </div>\
873                                 </div>\
874                                 <div class="item">2</div>\
875                             </div>\
876                         </section>'),
877                         section = c.doc(),
878                         list = section.children()[0],
879                         nestedList = list.children()[1].children()[0],
880                         nestedListItem = nestedList.children()[0];
881
882                     var test = c.list.extractItems({element1: nestedListItem, element2: nestedListItem, merge: false});
883
884                     expect(test).to.equal(true, 'extraction status ok');
885
886                     var sectionChildren = section.children(),
887                         extractedItem = sectionChildren[1];
888
889                     expect(sectionChildren.length).to.equal(3, 'section has three children');
890                     expect(sectionChildren[0].is('list')).to.equal(true, 'first child is a list');
891
892                     expect(extractedItem.getWlxmlTag()).to.equal('div', 'extracted item is a wlxml div');
893                     expect(extractedItem.getWlxmlClass()).to.equal(undefined, 'extracted item has no wlxml class');
894                     expect(extractedItem.children()[0].getText()).to.equal('1.1', 'extracted item ok');
895                     expect(sectionChildren[2].is('list')).to.equal(true, 'second child is a list');
896                 });
897             });
898         });
899
900     });
901
902     describe('Cursor', function() {
903
904         var getSelection;
905
906         beforeEach(function() {
907             getSelection = sinon.stub(window, 'getSelection');
908         });
909
910         afterEach(function() {
911             getSelection.restore();
912         });
913
914         it('returns position when browser selection collapsed', function() {
915             var c = canvas.fromXML('<section>Alice has a cat</section>'),
916                 dom = c.doc().dom(),
917                 text = dom.contents()[0];
918
919             expect($(text).text()).to.equal('Alice has a cat');
920
921             getSelection.returns({
922                 anchorNode: text,
923                 focusNode: text,
924                 anchorOffset: 5,
925                 focusOffset: 5,
926                 isCollapsed: true
927             });
928             var cursor = c.getCursor(),
929                 position = cursor.getPosition();
930
931             expect(cursor.isSelecting()).to.equal(false, 'cursor is not selecting anything');
932             expect(position.element.getText()).to.equal('Alice has a cat');
933             expect(position.offset).to.equal(5);
934         });
935
936         it('returns boundries of selection when browser selection not collapsed', function() {
937             var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
938                 dom = c.doc().dom(),
939                 text = {
940                     alice: dom.contents()[0],
941                     has: $(dom.contents()[1]).contents()[0],
942                     cat: dom.contents()[4]
943                 },
944                 cursor = c.getCursor(),
945                 aliceElement = c.getDocumentElement(text.alice),
946                 catElement = c.getDocumentElement(text.cat);
947
948
949                 [
950                     {focus: text.alice, focusOffset: 1, anchor: text.cat,   anchorOffset: 2, selectionAnchor: catElement},
951                     {focus: text.cat,   focusOffset: 2, anchor: text.alice, anchorOffset: 1, selectionAnchor: aliceElement}
952                 ].forEach(function(s, idx) {
953                     getSelection.returns({isColapsed: false, anchorNode: s.anchor, anchorOffset: s.anchorOffset, focusNode: s.focus, focusOffset: s.focusOffset});
954
955                     var selectionStart = cursor.getSelectionStart(),
956                         selectionEnd = cursor.getSelectionEnd(),
957                         selectionAnchor = cursor.getSelectionAnchor();
958
959                     expect(cursor.isSelecting()).to.equal(true, 'cursor is selecting');
960                     expect(selectionStart.element.sameNode(aliceElement)).to.equal(true, '"Alice" is the start of the selection ' + idx);
961                     expect(selectionStart.offset).to.equal(1, '"Alice" offset ok' + idx);
962                     expect(selectionEnd.element.sameNode(catElement)).to.equal(true, '"Cat" is the start of the selection ' + idx);
963                     expect(selectionEnd.offset).to.equal(2, '"Cat" offset ok' + idx);
964                     expect(selectionAnchor.element.sameNode(s.selectionAnchor)).to.equal(true, 'anchor ok');
965                     expect(selectionAnchor.offset).to.equal(s.anchorOffset, 'anchor offset ok');
966                 });
967         });
968
969         it('recognizes when browser selection boundries lies in sibling DocumentTextElements', function() {
970             var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
971                 dom = c.doc().dom(),
972                 text = {
973                     alice: dom.contents()[0],
974                     has: $(dom.contents()[1]).contents()[0],
975                     a: dom.contents()[2],
976                     big: $(dom.contents()[3]).contents()[0],
977                     cat: dom.contents()[4]
978                 },
979                 cursor = c.getCursor();
980
981             expect($(text.alice).text()).to.equal('Alice ');
982             expect($(text.has).text()).to.equal('has');
983             expect($(text.a).text()).to.equal(' a ');
984             expect($(text.big).text()).to.equal('big');
985             expect($(text.cat).text()).to.equal(' cat');
986
987             getSelection.returns({anchorNode: text.alice, focusNode: text.a});
988             expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "a" are children');
989
990             getSelection.returns({anchorNode: text.alice, focusNode: text.cat});
991             expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "cat" are children');
992
993             getSelection.returns({anchorNode: text.alice, focusNode: text.has});
994             expect(cursor.isSelectingSiblings()).to.equal(false, '"Alice" and "has" are not children');
995
996             getSelection.returns({anchorNode: text.has, focusNode: text.big});
997             expect(cursor.isSelectingSiblings()).to.equal(false, '"has" and "big" are not children');
998             
999         })
1000     });
1001 });
1002
1003
1004 });