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