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                             + '<div wlxml-text>This is some text without its own wrapping tag.</div>'
  31                             + '<div wlxml-tag="div" wlxml-class="p-subclass">'
  32                             +   '<div wlxml-text>This is a paragraph.</div>'
  33                             + '</div>'
  34                             + '<div wlxml-tag="div">'
  35                             +   '<div wlxml-text>This is text in a div </div>'
  36                             +   '<div wlxml-tag="span">'
  37                             +       '<div wlxml-text>with some inline text</div>'
  38                             +   '</div>'
  39                             +   '<div wlxml-text>.</div>'
  40                             + '</div>'
  41                             + '<div wlxml-text>This is some text without its own wrapping tag.</div>'
  42                             + '</div>';
  43             expect(c.doc().dom()[0].isEqualNode($(expected)[0])).to.be.true;
  44         });
  45     });
  46
  47     describe('Internal HTML representation of a DocumentNodeElement', function() {
  48         it('is always a div tag', function() {
  49             ['section', 'header', 'span', 'aside', 'figure'].forEach(function(tagName) {
  50                 var dom = canvas.fromXML('<' + tagName + '></' + tagName + '>').doc().dom();
  51                 expect(dom.prop('tagName')).to.equal('DIV', tagName + ' is represented as div');
  52             });
  53         });
  54         it('has wlxml tag put into wlxml-tag attribute', function() {
  55             var dom = canvas.fromXML('<section></section>').doc().dom();
  56             expect(dom.attr('wlxml-tag')).to.equal('section');
  57         });
  58         it('has wlxml class put into wlxml-class, dots replaced with dashes', function() {
  59             var dom = canvas.fromXML('<section class="some.class"></section>').doc().dom();
  60             expect(dom.attr('wlxml-class')).to.equal('some-class');
  61         });
  62     });
  63
  64     describe('Internal HTML representation of a DocumentTextElement', function() {
  65         it('is text node wrapped in a div with wlxml-text attribute set', function() {
  66             var dom = canvas.fromXML('<section>Alice</section>').doc().children()[0].dom();
  67             expect(dom.prop('tagName')).to.equal('DIV');
  68             expect(dom.attr('wlxml-text')).to.equal('');
  69             expect(dom.contents().length).to.equal(1);
  70             expect(dom.contents()[0].nodeType).to.equal(Node.TEXT_NODE);
  71             expect($(dom.contents()[0]).text()).to.equal('Alice');
  72         });
  73     });
  74
  75     describe('basic properties', function() {
  76         it('renders empty document when canvas created from empty XML', function() {
  77             var c = canvas.fromXML('');
  78             expect(c.doc()).to.equal(null);
  79         });
  80
  81         it('gives access to its document root node', function() {
  82             var c = canvas.fromXML('<section></section>');
  83             expect(c.doc().getWlxmlTag()).to.equal('section');
  84         });
  85
  86         describe('root element', function() {
  87             it('has no parent', function() {
  88                 var c = canvas.fromXML('<section></section>');
  89                 expect(c.doc().parent()).to.be.null;
  90             });
  91         });
  92
  93         describe('DocumentTextElement', function() {
  94             it('can have its content set', function() {
  95                 var c = canvas.fromXML('<section>Alice</section>'),
  96                     root = c.doc(),
  97                     text = root.children()[0];
  98
  99                 text.setText('a cat');
 100                 expect(root.children()[0].getText()).to.equal('a cat');
 101             });
 102         });
 103
 104         describe('DocumentNodeElement', function() {
 105             it('knows index of its child', function() {
 106                 var c = canvas.fromXML('<section><div></div><header></header><span></span></section>'),
 107                     root = c.doc(),
 108                     child = root.children()[1];
 109                 expect(root.childIndex(child)).to.equal(1);
 110             });
 111
 112             it('knows WLXML tag it renders', function(){
 113                 var c = canvas.fromXML('<section></section>'),
 114                     section = c.doc();
 115                 expect(section.getWlxmlTag()).to.equal('section', 'initial tag is section');
 116                 section.setWlxmlTag('header');
 117                 expect(section.getWlxmlTag()).to.equal('header', 'tag is changed to header');
 118             });
 119
 120             it('knows WLXML class of a WLXML tag it renders', function(){
 121                 var c = canvas.fromXML('<section class="some.class"></section>'),
 122                     section = c.doc();
 123                 expect(section.getWlxmlClass()).to.equal('some.class');
 124                 section.setWlxmlClass('some.other.class');
 125                 expect(section.getWlxmlClass()).to.equal('some.other.class');
 126                 section.setWlxmlClass(null);
 127                 expect(section.getWlxmlClass()).to.be.undefined;
 128             });
 129         });
 130
 131         it('returns DocumentNodeElement instance from HTMLElement', function() {
 132             var c = canvas.fromXML('<section></section>'),
 133                 htmlElement = c.doc().dom().get(0),
 134                 element = c.getDocumentElement(htmlElement);
 135             expect(element).to.be.instanceOf(documentElement.DocumentNodeElement);
 136             expect(element.sameNode(c.doc()));
 137         });
 138
 139         it('returns DocumentTextElement instance from Text Node', function() {
 140             var c = canvas.fromXML('<section>Alice</section>'),
 141                 aliceElement = c.doc().children()[0],
 142                 textNode = aliceElement.dom().contents()[0],
 143                 element = c.getDocumentElement(textNode);
 144
 145             expect(textNode.nodeType).to.equal(Node.TEXT_NODE, 'text node selected');
 146             expect($(textNode).text()).to.equal('Alice');
 147
 148             expect(element).to.be.instanceOf(documentElement.DocumentTextElement);
 149             expect(element.sameNode(c.doc().children()[0]));
 150         });
 151     });
 152
 153
 154
 155     describe('document representation api', function() {
 156         describe('document root element', function() {
 157             var c = canvas.fromXML('<section></section>');
 158             it('exists', function() {
 159                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentElement);
 160             });
 161             it('is of type DocumentNodeElement', function() {
 162                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentNodeElement);
 163             });
 164         });
 165
 166         describe('DocumentElements comparison', function() {
 167             it('reports dwo DocumentElements to be the same when they represent the same wlxml document element', function() {
 168                 var c = canvas.fromXML('<section><div></div><div></div></section>'),
 169                     first_div1 = c.doc().children()[0],
 170                     first_div2 = c.doc().children()[0],
 171                     second_div = c.doc().children()[1];
 172                 expect(first_div1.sameNode(first_div1)).to.be.true;
 173                 expect(first_div1.sameNode(first_div2)).to.be.true;
 174                 expect(first_div1.sameNode(second_div)).to.be.false;
 175             });
 176         });
 177
 178         describe('traversing', function() {
 179             it('reports element nodes', function() {
 180                 var c = canvas.fromXML('<section><div></div></section>'),
 181                     children = c.doc().children();
 182                 expect(children.length).to.equal(1);
 183                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 184
 185                 c = canvas.fromXML('<section><div></div><div></div></section>'),
 186                     children = c.doc().children();
 187                 expect(children.length).to.equal(2);
 188                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 189                 expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 190             });
 191
 192             it('reports text nodes', function() {
 193                 var c = canvas.fromXML('<section>Alice</section>'),
 194                     children = c.doc().children();
 195                 expect(children.length).to.equal(1);
 196                 expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 197             });
 198
 199             describe('accessing parents', function() {
 200                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentNodeElement parent', function() {
 201                     var c = canvas.fromXML('<section><div></div></section>'),
 202                         div = c.doc().children()[0];
 203                     expect(div.parent().sameNode(c.doc())).to.be.true;
 204                 });
 205                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentTextElement parent', function() {
 206                     var c = canvas.fromXML('<section>Alice</section>'),
 207                         text = c.doc().children()[0];
 208                     expect(text.parent().sameNode(c.doc())).to.be.true;
 209                 });
 210             });
 211
 212             describe('free text handling', function() {
 213                     it('sees free text', function() {
 214                         var c = canvas.fromXML('<section>Alice <span>has</span> a cat</section>'),
 215                             children = c.doc().children();
 216                         expect(children.length).to.equal(3);
 217                         expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 218                         expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 219                         expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
 220                     });
 221             });
 222
 223             describe('white characters handling', function() {
 224                 it('says empty element node has no children', function() {
 225                     var c = canvas.fromXML('<section></section>');
 226                     expect(c.doc().children().length).to.equal(0);
 227                 });
 228                 it('says element node with one space has one DocumentTextElement', function() {
 229                     var c = canvas.fromXML('<section> </section>');
 230                     expect(c.doc().children().length).to.equal(1);
 231                     expect(c.doc().children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 232                     expect(c.doc().children()[0].getText()).to.equal(' ');
 233                 });
 234                 it('ignores white space surrounding block elements', function() {
 235                     var c = canvas.fromXML('<section> <div></div> </section>');
 236                     var children = c.doc().children();
 237                     expect(children.length).to.equal(1);
 238                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 239                 });
 240                 it('ignores white space between block elements', function() {
 241                     var c = canvas.fromXML('<section><div></div> <div></div></section>');
 242                     var children = c.doc().children();
 243                     expect(children.length === 2);
 244                     [0,1].forEach(function(idx) {
 245                         expect(children[idx]).to.be.instanceOf(documentElement.DocumentNodeElement);
 246                     });
 247                 });
 248
 249                 it('trims white space from the beginning and the end of the block elements', function() {
 250                     var c = canvas.fromXML('<section> Alice <span>has</span> a cat </section>');
 251                     expect(c.doc().children()[0].getText()).to.equal('Alice ');
 252                     expect(c.doc().children()[2].getText()).to.equal(' a cat');
 253                 });
 254
 255                 it('normalizes string of white characters to one space at the inline element boundries', function() {
 256                     var c = canvas.fromXML('<span>   Alice has a cat   </span>');
 257                     expect(c.doc().children()[0].getText()).to.equal(' Alice has a cat ');
 258                 });
 259
 260                 it('normalizes string of white characters to one space before inline element', function() {
 261                     var c = canvas.fromXML('<div>Alice has  <span>a cat</span></div>');
 262                     expect(c.doc().children()[0].getText()).to.equal('Alice has ');
 263                 });
 264
 265                 it('normalizes string of white characters to one space after inline element', function() {
 266                     var c = canvas.fromXML('<div>Alice has <span>a</span>  cat</div>');
 267                     expect(c.doc().children()[2].getText()).to.equal(' cat');
 268                 });
 269             });
 270         });
 271
 272         describe('manipulation api', function() {
 273
 274             describe('Basic Element inserting', function() {
 275                 it('can put new NodeElement at the end', function() {
 276                     var c = canvas.fromXML('<section></section>'),
 277                         appended = c.doc().append({tag: 'header', klass: 'some.class'}),
 278                         children = c.doc().children();
 279
 280                     expect(children.length).to.equal(1);
 281                     expect(children[0].sameNode(appended));
 282                 });
 283
 284                 it('can put new TextElement at the end', function() {
 285                     var c = canvas.fromXML('<section></section>'),
 286                         appended = c.doc().append({text: 'Alice'}),
 287                         children = c.doc().children();
 288
 289                     expect(children.length).to.equal(1);
 290                     expect(children[0].sameNode(appended));
 291                     expect(children[0].getText()).to.equal('Alice');
 292                 });
 293
 294                 it('can put new NodeElement after another NodeElement', function() {
 295                     var c = canvas.fromXML('<section><div></div></section>'),
 296                         div = c.doc().children()[0],
 297                         added = div.after({tag: 'header', klass: 'some.class'}),
 298                         children = c.doc().children();
 299                     expect(children.length).to.equal(2);
 300                     expect(children[1].sameNode(added));
 301                 });
 302
 303                 it('can put new Nodeelement before another element', function() {
 304                     var c = canvas.fromXML('<section><div></div></section>'),
 305                         div = c.doc().children()[0],
 306                         added = div.before({tag: 'header', klass: 'some.class'}),
 307                         children = c.doc().children();
 308                     expect(children.length).to.equal(2);
 309                     expect(children[0].sameNode(added));
 310                 });
 311
 312                 it('can put new DocumentNodeElement after DocumentTextElement', function() {
 313                     var c = canvas.fromXML('<section>Alice</section>'),
 314                         text = c.doc().children()[0],
 315                         added = text.after({tag: 'p'}),
 316                         children = c.doc().children();
 317
 318                     expect(children.length).to.equal(2);
 319                     expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 320                     expect(children[0].getText()).to.equal('Alice');
 321                     expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 322                     expect(children[1].sameNode(added)).to.be.true;
 323                 });
 324                 it('can put new DocumentNodeElement before DocumentTextElement', function() {
 325                     var c = canvas.fromXML('<section>Alice</section>'),
 326                         text = c.doc().children()[0],
 327                         added = text.before({tag: 'p'}),
 328                         children = c.doc().children();
 329
 330                     expect(children.length).to.equal(2);
 331                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 332                     expect(children[0].sameNode(added)).to.be.true;
 333                     expect(children[1]).to.be.instanceOf(documentElement.DocumentTextElement);
 334                     expect(children[1].getText()).to.equal('Alice');
 335                 });
 336             });
 337
 338             describe('Splitting text', function() {
 339
 340                 it('splits DocumentTextElement\'s parent into two DocumentNodeElements of the same type', 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: 5});
 346                     expect(section.children().length).to.equal(2, 'section has two children');
 347
 348                     var header1 = section.children()[0];
 349                     var header2 = section.children()[1];
 350
 351                     expect(header1.getWlxmlTag()).to.equal('header', 'first section child represents wlxml header');
 352                     expect(header1.children().length).to.equal(1, 'first header has one text child');
 353                     expect(header1.children()[0].getText()).to.equal('Some ', 'first header has correct content');
 354                     expect(header2.getWlxmlTag()).to.equal('header', 'second section child represents wlxml header');
 355                     expect(header2.children().length).to.equal(1, 'second header has one text child');
 356                     expect(header2.children()[0].getText()).to.equal('header', 'second header has correct content');
 357                 });
 358
 359                 it('leaves empty copy of DocumentNodeElement if splitting at the very beginning', function() {
 360                         var c = canvas.fromXML('<section><header>Some header</header></section>'),
 361                         section = c.doc(),
 362                         text = section.children()[0].children()[0];
 363
 364                         text.split({offset: 0});
 365
 366                         var header1 = section.children()[0];
 367                         var header2 = section.children()[1];
 368
 369                         expect(header1.children().length).to.equal(0);
 370                         expect(header2.children()[0].getText()).to.equal('Some header');
 371                 });
 372
 373                 it('leaves empty copy of DocumentNodeElement if splitting at the very end', function() {
 374                         var c = canvas.fromXML('<section><header>Some header</header></section>'),
 375                         section = c.doc(),
 376                         text = section.children()[0].children()[0];
 377
 378                         text.split({offset: 11});
 379
 380                         var header1 = section.children()[0];
 381                         var header2 = section.children()[1];
 382
 383                         expect(header1.children()[0].getText()).to.equal('Some header');
 384                         expect(header2.children().length).to.equal(0);
 385                 });
 386
 387                 it('keeps DocumentTextElement\'s parent\'s children elements intact', function() {
 388                     var c = canvas.fromXML('\
 389                             <section>\
 390                                 <header>\
 391                                     A <span>fancy</span> and <span>nice</span> header\
 392                                 </header>\
 393                             </section>'),
 394                         section = c.doc(),
 395                         header = section.children()[0],
 396                         textAnd = header.children()[2];
 397
 398                     textAnd.split({offset: 2});
 399
 400                     var sectionChildren = section.children();
 401                     expect(sectionChildren.length).to.equal(2, 'Section has two children');
 402                     expect(sectionChildren[0].getWlxmlTag()).to.equal('header', 'First section element is a wlxml header');
 403                     expect(sectionChildren[1].getWlxmlTag()).to.equal('header', 'Second section element is a wlxml header');
 404
 405                     var firstHeaderChildren = sectionChildren[0].children();
 406                     expect(firstHeaderChildren.length).to.equal(3, 'First header has three children');
 407                     expect(firstHeaderChildren[0].getText()).to.equal('A ', 'First header starts with a text');
 408                     expect(firstHeaderChildren[1].getWlxmlTag()).to.equal('span', 'First header has span in the middle');
 409                     expect(firstHeaderChildren[2].getText()).to.equal(' a', 'First header ends with text');
 410
 411                     var secondHeaderChildren = sectionChildren[1].children();
 412                     expect(secondHeaderChildren.length).to.equal(3, 'Second header has three children');
 413                     expect(secondHeaderChildren[0].getText()).to.equal('nd ', 'Second header starts with text');
 414                     expect(secondHeaderChildren[1].getWlxmlTag()).to.equal('span', 'Second header has span in the middle');
 415                     expect(secondHeaderChildren[2].getText()).to.equal(' header', 'Second header ends with text');
 416                 });
 417             });
 418
 419             describe('wrapping', function() {
 420                 it('wraps DocumentNodeElement', function() {
 421                     var c = canvas.fromXML('<section><div></div></section>'),
 422                         div = c.doc().children()[0];
 423
 424                     var returned = div.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
 425                         parent = div.parent(),
 426                         parent2 = c.doc().children()[0];
 427
 428                     expect(returned.sameNode(parent)).to.be.true;
 429                     expect(returned.sameNode(parent2)).to.be.true;
 430                     expect(returned.getWlxmlTag()).to.equal('header');
 431                     expect(returned.getWlxmlClass()).to.equal('some.class');
 432                 });
 433                 it('wraps DocumentTextElement', function() {
 434                     var c = canvas.fromXML('<section>Alice</section>'),
 435                         text = c.doc().children()[0];
 436
 437                     var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
 438                         parent = text.parent(),
 439                         parent2 = c.doc().children()[0];
 440
 441                     expect(returned.sameNode(parent)).to.be.true;
 442                     expect(returned.sameNode(parent2)).to.be.true;
 443                     expect(returned.getWlxmlTag()).to.equal('header');
 444                     expect(returned.getWlxmlClass()).to.equal('some.class');
 445                 });
 446
 447                 describe('wrapping part of DocumentTextElement', function() {
 448                     [{start: 5, end: 12}, {start: 12, end: 5}].forEach(function(offsets) {
 449                         it('wraps in the middle ' + offsets.start + '/' + offsets.end, function() {
 450                             var c = canvas.fromXML('<section>Alice has a cat</section>'),
 451                                 text = c.doc().children()[0];
 452
 453                             var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: offsets.start, end: offsets.end}),
 454                                 children = c.doc().children();
 455
 456                             expect(children.length).to.equal(3);
 457
 458                             expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 459                             expect(children[0].getText()).to.equal('Alice');
 460
 461                             expect(children[1].sameNode(returned)).to.be.true;
 462                             expect(returned.getWlxmlTag()).to.equal('header');
 463                             expect(returned.getWlxmlClass()).to.equal('some.class');
 464                             expect(children[1].children().length).to.equal(1);
 465                             expect(children[1].children()[0].getText()).to.equal(' has a ');
 466
 467                             expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
 468                             expect(children[2].getText()).to.equal('cat');
 469                         });
 470                     });
 471
 472                     it('wraps whole text inside DocumentTextElement if offsets span entire content', function() {
 473                          var c = canvas.fromXML('<section>Alice has a cat</section>'),
 474                              text = c.doc().children()[0];
 475
 476                          var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: 0, end: 15}),
 477                              children = c.doc().children();
 478
 479                          expect(children.length).to.equal(1);
 480                          expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 481                          expect(children[0].children()[0].getText()).to.equal('Alice has a cat');
 482                     });
 483                 });
 484
 485                 it('wraps text spanning multiple sibling DocumentTextNodes', function() {
 486                     var c = canvas.fromXML('<section>Alice has a <span>small</span> cat</section>'),
 487                         section = c.doc(),
 488                         wrapper = c.wrapText({
 489                             inside: section,
 490                             _with: {tag: 'span', klass: 'some.class'},
 491                             offsetStart: 6,
 492                             offsetEnd: 4,
 493                             textNodeIdx: [0,2]
 494                         });
 495
 496                     expect(section.children().length).to.equal(2);
 497                     expect(section.children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 498                     expect(section.children()[0].getText()).to.equal('Alice ');
 499
 500                     var wrapper2 = section.children()[1];
 501                     expect(wrapper2.sameNode(wrapper)).to.be.true;
 502
 503                     var wrapperChildren = wrapper.children();
 504                     expect(wrapperChildren.length).to.equal(3);
 505                     expect(wrapperChildren[0].getText()).to.equal('has a ');
 506
 507                     expect(wrapperChildren[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 508                     expect(wrapperChildren[1].children().length).to.equal(1);
 509                     expect(wrapperChildren[1].children()[0].getText()).to.equal('small');
 510
 511                     expect(wrapperChildren[2].getText()).to.equal(' cat');
 512                 });
 513             });
 514
 515             describe('unwrapping', function() {
 516                 it('unwraps DocumentTextElement from its parent DocumentNodeElement if it\'s its only child', function() {
 517                     var c = canvas.fromXML('<section>Alice <span>has a</span> cat</section>'),
 518                     section = c.doc(),
 519                     text = section.children()[1].children()[0];
 520
 521                     text.unwrap();
 522
 523                     expect(section.children().length).to.equal(1, 'section has one child');
 524                     expect(section.children()[0].getText()).to.equal('Alice has a cat');
 525                 })
 526             });
 527         });
 528
 529         describe('Lists api', function() {
 530             describe('creating lists', function() {
 531                 it('allows creation of a list from existing sibling DocumentElements', function() {
 532                     var c = canvas.fromXML('\
 533                         <section>\
 534                             Alice\
 535                             <div>has</div>\
 536                             a\
 537                             <div>cat</div>\
 538                         </section>'),
 539                         section = c.doc(),
 540                         textHas = section.children()[1],
 541                         divA = section.children()[2]
 542
 543                     c.list.create({element1: textHas, element2: divA});
 544
 545                     expect(section.children().length).to.equal(3, 'section has three child elements');
 546
 547                     var child1 = section.children()[0],
 548                         list = section.children()[1],
 549                         child3 = section.children()[2];
 550
 551                     expect(child1.getText()).to.equal('Alice');
 552                     expect(list.is('list')).to.equal(true, 'second child is a list');
 553                     expect(list.children().length).to.equal(2, 'list contains two elements');
 554                     list.children().forEach(function(child) {
 555                         expect(child.getWlxmlClass()).to.equal('item', 'list childs have wlxml class of item');
 556                     });
 557                     expect(child3.children()[0].getText()).to.equal('cat');
 558                 });
 559
 560                 it('allows creating nested list from existing sibling list items', function() {
 561                     var c = canvas.fromXML('\
 562                         <section>\
 563                             <div class="list-items">\
 564                                 <div class="item">A</div>\
 565                                 <div class="item">B</div>\
 566                                 <div class="item">C</div>\
 567                                 <div class="item">D</div>\
 568                             </div>\
 569                         </section>'),
 570                         outerList = c.doc().children()[0],
 571                         itemB = outerList.children()[1],
 572                         itemC = outerList.children()[2];
 573
 574
 575                         c.list.create({element1: itemB, element2: itemC});
 576
 577                     var outerListItems = outerList.children(),
 578                         innerList = outerListItems[1].children()[0],
 579                         innerListItems = innerList.children();
 580
 581                     expect(outerListItems.length).to.equal(3, 'outer list has three items');
 582                     expect(outerListItems[0].children()[0].getText()).to.equal('A', 'first outer item ok');
 583                     expect(outerListItems[1].getWlxmlClass()).to.equal('item', 'inner list is wrapped by item element');
 584
 585                     expect(innerList.is('list')).to.equal(true, 'inner list created');
 586                     expect(innerListItems.length).to.equal(2, 'inner list has two items');
 587                     expect(innerListItems[0].children()[0].getText()).to.equal('B', 'first inner item ok');
 588                     expect(innerListItems[1].children()[0].getText()).to.equal('C', 'second inner item ok');
 589
 590                     expect(outerListItems[2].children()[0].getText()).to.equal('D', 'last outer item ok');
 591
 592                 });
 593
 594             });
 595
 596             describe('extracting list items', function() {
 597                 it('creates two lists with extracted items in the middle if extracting from the middle of the list', function() {
 598                     var c = canvas.fromXML('\
 599                         <section>\
 600                             <div class="list.items">\
 601                                 <div class="item">0</div>\
 602                                 <div class="item">1</div>\
 603                                 <div class="item">2</div>\
 604                                 <div class="item">3</div>\
 605                             </div>\
 606                         </section>'),
 607                         list = c.doc().children()[0],
 608                         item1 = list.children()[1],
 609                         item2 = list.children()[2];
 610
 611                     c.list.extractItems({element1: item1, element2: item2});
 612
 613                     var section = c.doc(),
 614                         list1 = section.children()[0],
 615                         oldItem1 = section.children()[1],
 616                         oldItem2 = section.children()[2],
 617                         list2 = section.children()[3];
 618
 619                     expect(section.children().length).to.equal(4, 'section contains four children');
 620
 621                     expect(list1.is('list')).to.equal(true, 'first section child is a list');
 622                     expect(list1.children().length).to.equal(1, 'first list has one child');
 623                     expect(list1.children()[0].children()[0].getText()).to.equal('0', 'first item of the first list is a first item of the original list');
 624
 625                     expect(oldItem1.children()[0].getText()).to.equal('1', 'first item got extracted');
 626                     expect(oldItem1.getWlxmlClass() === undefined).to.equal(true, 'first extracted element has no wlxml class');
 627
 628                     expect(oldItem2.children()[0].getText()).to.equal('2', 'second item got extracted');
 629                     expect(oldItem2.getWlxmlClass() === undefined).to.equal(true, 'second extracted element has no wlxml class');
 630
 631                     expect(list2.is('list')).to.equal(true, 'last section child is a list');
 632                     expect(list2.children().length).to.equal(1, 'second list has one child');
 633                     expect(list2.children()[0].children()[0].getText()).to.equal('3', 'first item of the second list is a last item of the original list');
 634                 });
 635
 636                 it('puts extracted items above the list if starting item is the first one', function() {
 637                     var c = canvas.fromXML('\
 638                         <section>\
 639                             <div class="list.items">\
 640                                 <div class="item">0</div>\
 641                                 <div class="item">1</div>\
 642                                 <div class="item">2</div>\
 643                             </div>\
 644                         </section>'),
 645                         list = c.doc().children()[0],
 646                         item1 = list.children()[0],
 647                         item2 = list.children()[1],
 648                         item3 = list.children()[2];
 649
 650                     c.list.extractItems({element1: item1, element2: item2});
 651
 652                     var section = c.doc(),
 653                         oldItem1 = section.children()[0],
 654                         oldItem2 = section.children()[1],
 655                         newList = section.children()[2];
 656
 657                     expect(section.children().length).to.equal(3, 'section has three children');
 658                     expect(oldItem1.children()[0].getText()).to.equal('0', 'first item extracted');
 659                     expect(oldItem2.children()[0].getText()).to.equal('1', 'second item extracted');
 660                     expect(newList.is('list')).to.equal(true, 'list lies below extracted item');
 661                     expect(newList.children().length).to.equal(1, 'list has now one child');
 662                 });
 663
 664                 it('puts extracted items below the list if ending item is the last one', function() {
 665                     var c = canvas.fromXML('\
 666                         <section>\
 667                             <div class="list.items">\
 668                                 <div class="item">0</div>\
 669                                 <div class="item">1</div>\
 670                                 <div class="item">2</div>\
 671                             </div>\
 672                         </section>'),
 673                         list = c.doc().children()[0],
 674                         item1 = list.children()[0],
 675                         item2 = list.children()[1],
 676                         item3 = list.children()[2];
 677
 678                     c.list.extractItems({element1: item2, element2: item3});
 679
 680                     var section = c.doc(),
 681                         oldItem1 = section.children()[1],
 682                         oldItem2 = section.children()[2],
 683                         newList = section.children()[0];
 684
 685                     expect(section.children().length).to.equal(3, 'section has three children');
 686                     expect(oldItem1.children()[0].getText()).to.equal('1', 'first item extracted');
 687                     expect(oldItem2.children()[0].getText()).to.equal('2', 'second item extracted');
 688                     expect(newList.is('list')).to.equal(true, 'list lies above extracted item');
 689                     expect(newList.children().length).to.equal(1, 'list has now one child');
 690                 });
 691
 692                 it('removes list if all its items are extracted', function() {
 693                     var c = canvas.fromXML('\
 694                         <section>\
 695                             <div class="list.items">\
 696                                 <div class="item">some item</div>\
 697                                 <div class="item">some item 2</div>\
 698                             </div>\
 699                         </section>'),
 700                         list = c.doc().children()[0],
 701                         item1 = list.children()[0],
 702                         item2 = list.children()[1];
 703
 704                     c.list.extractItems({element1: item1, element2: item2});
 705
 706                     var section = c.doc(),
 707                         list1 = section.children()[0],
 708                         oldItem1 = section.children()[0],
 709                         oldItem2 = section.children()[1];
 710
 711                     expect(section.children().length).to.equal(2, 'section contains two children');
 712                     expect(oldItem1.children()[0].getText()).to.equal('some item');
 713                     expect(oldItem2.children()[0].getText()).to.equal('some item 2');
 714                 });
 715
 716                 it('creates two lists with extracted items in the middle if extracting from the middle of the list - nested case' , function() {
 717                     var c = canvas.fromXML('\
 718                         <section>\
 719                             <div class="list.items">\
 720                                 <div class="item">0</div>\
 721                                 <div class="item">\
 722                                     <div class="list.items">\
 723                                         <div class="item">1.1</div>\
 724                                         <div class="item">1.2</div>\
 725                                         <div class="item">1.3</div>\
 726                                     </div>\
 727                                 </div>\
 728                                 <div class="item">2</div>\
 729                             </div>\
 730                         </section>'),
 731                         list = c.doc().children()[0],
 732                         nestedList = list.children()[1].children()[0],
 733                         nestedListItem = nestedList.children()[1];
 734
 735                     c.list.extractItems({element1: nestedListItem, element2: nestedListItem});
 736
 737                     var section = c.doc(),
 738                         list = section.children()[0],
 739                         item1 = list.children()[0],
 740                         item2 = list.children()[1], //
 741                         item3 = list.children()[2],
 742                         item4 = list.children()[3], //
 743                         item5 = list.children()[4],
 744                         nestedList1 = item2.children()[0],
 745                         nestedList2 = item4.children()[0];
 746
 747                     expect(list.children().length).to.equal(5, 'top list has five items');
 748
 749                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 750
 751                     expect(item2.getWlxmlClass()).to.equal('item', 'first nested list is still wrapped in item element');
 752                     expect(nestedList1.children().length).to.equal(1, 'first nested list is left with one child');
 753                     expect(nestedList1.children()[0].children()[0].getText()).to.equal('1.1', 'first nested list item left alone');
 754
 755                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 756
 757                     expect(item4.getWlxmlClass()).to.equal('item', 'second nested list is still wrapped in item element');
 758                     expect(nestedList2.children().length).to.equal(1, 'second nested list is left with one child');
 759                     expect(nestedList2.children()[0].children()[0].getText()).to.equal('1.3', 'second nested list item left alone');
 760
 761                     expect(item5.children()[0].getText()).to.equal('2', 'last item ok');
 762                 });
 763
 764                 it('puts extracted items below the list if ending item is the last one - nested case' , function() {
 765                     var c = canvas.fromXML('\
 766                         <section>\
 767                             <div class="list.items">\
 768                                 <div class="item">0</div>\
 769                                 <div class="item">\
 770                                     <div class="list.items">\
 771                                         <div class="item">1.1</div>\
 772                                         <div class="item">1.2</div>\
 773                                         <div class="item">1.3</div>\
 774                                     </div>\
 775                                 </div>\
 776                                 <div class="item">2</div>\
 777                             </div>\
 778                         </section>'),
 779                         list = c.doc().children()[0],
 780                         nestedList = list.children()[1].children()[0],
 781                         nestedListItem1 = nestedList.children()[1],
 782                         nestedListItem2 = nestedList.children()[2];
 783
 784                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
 785
 786                     var section = c.doc(),
 787                         list = section.children()[0],
 788                         item1 = list.children()[0],
 789                         item2 = list.children()[1],
 790                         item3 = list.children()[2],
 791                         item4 = list.children()[3],
 792                         item5 = list.children()[4];
 793                     nestedList = item2.children()[0];
 794
 795                     expect(list.children().length).to.equal(5, 'top list has five items');
 796                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 797                     expect(item2.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
 798                     expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
 799                     expect(nestedList.children()[0].children()[0].getText()).to.equal('1.1', 'nested list item left alone');
 800                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 801                     expect(item4.children()[0].getText()).to.equal('1.3', 'fourth item ok');
 802                     expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
 803                 });
 804
 805                 it('puts extracted items above the list if starting item is the first one - nested case' , function() {
 806                     var c = canvas.fromXML('\
 807                         <section>\
 808                             <div class="list.items">\
 809                                 <div class="item">0</div>\
 810                                 <div class="item">\
 811                                     <div class="list.items">\
 812                                         <div class="item">1.1</div>\
 813                                         <div class="item">1.2</div>\
 814                                         <div class="item">1.3</div>\
 815                                     </div>\
 816                                 </div>\
 817                                 <div class="item">2</div>\
 818                             </div>\
 819                         </section>'),
 820                         list = c.doc().children()[0],
 821                         nestedList = list.children()[1].children()[0],
 822                         nestedListItem1 = nestedList.children()[0],
 823                         nestedListItem2 = nestedList.children()[1];
 824
 825                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
 826
 827                     var section = c.doc(),
 828                         list = section.children()[0],
 829                         item1 = list.children()[0],
 830                         item2 = list.children()[1],
 831                         item3 = list.children()[2],
 832                         item4 = list.children()[3],
 833                         item5 = list.children()[4];
 834                     nestedList = item4.children()[0];
 835
 836                     expect(list.children().length).to.equal(5, 'top list has five items');
 837                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 838                     expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
 839                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 840
 841                     expect(item4.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
 842                     expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
 843                     expect(nestedList.children()[0].children()[0].getText()).to.equal('1.3', 'nested list item left alone');
 844                     expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
 845                 });
 846
 847                 it('removes list if all its items are extracted - nested case', function() {
 848                     var c = canvas.fromXML('\
 849                         <section>\
 850                             <div class="list.items">\
 851                                 <div class="item">0</div>\
 852                                 <div class="item">\
 853                                     <div class="list.items">\
 854                                         <div class="item">1.1</div>\
 855                                         <div class="item">1.2</div>\
 856                                     </div>\
 857                                 </div>\
 858                                 <div class="item">2</div>\
 859                             </div>\
 860                         </section>'),
 861                         list = c.doc().children()[0],
 862                         nestedList = list.children()[1].children()[0],
 863                         nestedListItem1 = nestedList.children()[0],
 864                         nestedListItem2 = nestedList.children()[1];
 865
 866                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
 867
 868                     var section = c.doc(),
 869                         list = section.children()[0],
 870                         item1 = list.children()[0],
 871                         item2 = list.children()[1],
 872                         item3 = list.children()[2],
 873                         item4 = list.children()[3];
 874
 875                     expect(list.children().length).to.equal(4, 'top list has four items');
 876                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 877                     expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
 878                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 879                     expect(item4.children()[0].getText()).to.equal('2', 'fourth item ok');
 880                 });
 881
 882                 it('extracts items out of outer most list when merge flag is set to false', function() {
 883                     var c = canvas.fromXML('\
 884                         <section>\
 885                             <div class="list.items">\
 886                                 <div class="item">0</div>\
 887                                 <div class="item">\
 888                                     <div class="list.items">\
 889                                         <div class="item">1.1</div>\
 890                                         <div class="item">1.2</div>\
 891                                     </div>\
 892                                 </div>\
 893                                 <div class="item">2</div>\
 894                             </div>\
 895                         </section>'),
 896                         section = c.doc(),
 897                         list = section.children()[0],
 898                         nestedList = list.children()[1].children()[0],
 899                         nestedListItem = nestedList.children()[0];
 900
 901                     var test = c.list.extractItems({element1: nestedListItem, element2: nestedListItem, merge: false});
 902
 903                     expect(test).to.equal(true, 'extraction status ok');
 904
 905                     var sectionChildren = section.children(),
 906                         extractedItem = sectionChildren[1];
 907
 908                     expect(sectionChildren.length).to.equal(3, 'section has three children');
 909                     expect(sectionChildren[0].is('list')).to.equal(true, 'first child is a list');
 910
 911                     expect(extractedItem.getWlxmlTag()).to.equal('div', 'extracted item is a wlxml div');
 912                     expect(extractedItem.getWlxmlClass()).to.equal(undefined, 'extracted item has no wlxml class');
 913                     expect(extractedItem.children()[0].getText()).to.equal('1.1', 'extracted item ok');
 914                     expect(sectionChildren[2].is('list')).to.equal(true, 'second child is a list');
 915                 });
 916             });
 917         });
 918
 919     });
 920
 921     describe('Cursor', function() {
 922
 923         var getSelection;
 924
 925         beforeEach(function() {
 926             getSelection = sinon.stub(window, 'getSelection');
 927         });
 928
 929         afterEach(function() {
 930             getSelection.restore();
 931         });
 932
 933         it('returns position when browser selection collapsed', function() {
 934             var c = canvas.fromXML('<section>Alice has a cat</section>'),
 935                 dom = c.doc().dom(),
 936                 text = $(dom.contents()[0]).contents()[0];
 937
 938             expect(text.nodeType).to.equal(Node.TEXT_NODE, 'correct node selected');
 939             expect($(text).text()).to.equal('Alice has a cat');
 940
 941             getSelection.returns({
 942                 anchorNode: text,
 943                 focusNode: text,
 944                 anchorOffset: 5,
 945                 focusOffset: 5,
 946                 isCollapsed: true
 947             });
 948             var cursor = c.getCursor(),
 949                 position = cursor.getPosition();
 950
 951             expect(cursor.isSelecting()).to.equal(false, 'cursor is not selecting anything');
 952             expect(position.element.getText()).to.equal('Alice has a cat');
 953             expect(position.offset).to.equal(5);
 954         });
 955
 956         it('returns boundries of selection when browser selection not collapsed', function() {
 957             var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
 958                 dom = c.doc().dom(),
 959                 text = {
 960                     alice: dom.contents()[0],
 961                     has: $(dom.contents()[1]).contents()[0],
 962                     cat: dom.contents()[4]
 963                 },
 964                 cursor = c.getCursor(),
 965                 aliceElement = c.getDocumentElement(text.alice),
 966                 catElement = c.getDocumentElement(text.cat);
 967
 968
 969                 [
 970                     {focus: text.alice, focusOffset: 1, anchor: text.cat,   anchorOffset: 2, selectionAnchor: catElement},
 971                     {focus: text.cat,   focusOffset: 2, anchor: text.alice, anchorOffset: 1, selectionAnchor: aliceElement}
 972                 ].forEach(function(s, idx) {
 973                     getSelection.returns({isColapsed: false, anchorNode: s.anchor, anchorOffset: s.anchorOffset, focusNode: s.focus, focusOffset: s.focusOffset});
 974
 975                     var selectionStart = cursor.getSelectionStart(),
 976                         selectionEnd = cursor.getSelectionEnd(),
 977                         selectionAnchor = cursor.getSelectionAnchor();
 978
 979                     expect(cursor.isSelecting()).to.equal(true, 'cursor is selecting');
 980                     expect(selectionStart.element.sameNode(aliceElement)).to.equal(true, '"Alice" is the start of the selection ' + idx);
 981                     expect(selectionStart.offset).to.equal(1, '"Alice" offset ok' + idx);
 982                     expect(selectionEnd.element.sameNode(catElement)).to.equal(true, '"Cat" is the start of the selection ' + idx);
 983                     expect(selectionEnd.offset).to.equal(2, '"Cat" offset ok' + idx);
 984                     expect(selectionAnchor.element.sameNode(s.selectionAnchor)).to.equal(true, 'anchor ok');
 985                     expect(selectionAnchor.offset).to.equal(s.anchorOffset, 'anchor offset ok');
 986                 });
 987         });
 988
 989         it('recognizes when browser selection boundries lies in sibling DocumentTextElements', function() {
 990             var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
 991                 dom = c.doc().dom(),
 992                 text = {
 993                     alice: dom.contents()[0],
 994                     has: $(dom.contents()[1]).contents()[0],
 995                     a: dom.contents()[2],
 996                     big: $(dom.contents()[3]).contents()[0],
 997                     cat: dom.contents()[4]
 998                 },
 999                 cursor = c.getCursor();
1000
1001             expect($(text.alice).text()).to.equal('Alice ');
1002             expect($(text.has).text()).to.equal('has');
1003             expect($(text.a).text()).to.equal(' a ');
1004             expect($(text.big).text()).to.equal('big');
1005             expect($(text.cat).text()).to.equal(' cat');
1006
1007             getSelection.returns({anchorNode: text.alice, focusNode: text.a});
1008             expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "a" are children');
1009
1010             getSelection.returns({anchorNode: text.alice, focusNode: text.cat});
1011             expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "cat" are children');
1012
1013             getSelection.returns({anchorNode: text.alice, focusNode: text.has});
1014             expect(cursor.isSelectingSiblings()).to.equal(false, '"Alice" and "has" are not children');
1015
1016             getSelection.returns({anchorNode: text.has, focusNode: text.big});
1017             expect(cursor.isSelectingSiblings()).to.equal(false, '"has" and "big" are not children');
1018
1019         })
1020     });
1021 });
1022
1023
1024 });