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 DocumentNodeElement', function() {
  16         it('is always a div tag', function() {
  17             ['section', 'header', 'span', 'aside', 'figure'].forEach(function(tagName) {
  18                 var dom = canvas.fromXML('<' + tagName + '></' + tagName + '>').doc().dom();
  19                 expect(dom.prop('tagName')).to.equal('DIV', tagName + ' is represented as div');
  20             });
  21         });
  22         it('has wlxml tag put into wlxml-tag attribute of its internal container', function() {
  23             var dom = canvas.fromXML('<section></section>').doc().dom();
  24             expect(dom.children('[document-element-content]').attr('wlxml-tag')).to.equal('section');
  25         });
  26         it('has wlxml class put into wlxml-class attribute of its internal containr, dots replaced with dashes', function() {
  27             var dom = canvas.fromXML('<section class="some.class"></section>').doc().dom();
  28             expect(dom.children('[document-element-content]').attr('wlxml-class')).to.equal('some-class');
  29         });
  30     });
  31
  32     describe('Internal HTML representation of a DocumentTextElement', function() {
  33         it('is text node wrapped in a div with document-text-element attribute set', function() {
  34             var dom = canvas.fromXML('<section>Alice</section>').doc().children()[0].dom();
  35             expect(dom.prop('tagName')).to.equal('DIV');
  36             expect(dom.attr('document-text-element')).to.equal('');
  37             expect(dom.contents().length).to.equal(1);
  38             expect(dom.contents()[0].nodeType).to.equal(Node.TEXT_NODE);
  39             expect($(dom.contents()[0]).text()).to.equal('Alice');
  40         });
  41     });
  42
  43     describe('basic properties', function() {
  44         it('renders empty document when canvas created from empty XML', function() {
  45             var c = canvas.fromXML('');
  46             expect(c.doc()).to.equal(null);
  47         });
  48
  49         it('gives access to its document root node', function() {
  50             var c = canvas.fromXML('<section></section>');
  51             expect(c.doc().getWlxmlTag()).to.equal('section');
  52         });
  53
  54         describe('root element', function() {
  55             it('has no parent', function() {
  56                 var c = canvas.fromXML('<section></section>');
  57                 expect(c.doc().parent()).to.be.null;
  58             });
  59         });
  60
  61         describe('DocumentTextElement', function() {
  62             it('can have its content set', function() {
  63                 var c = canvas.fromXML('<section>Alice</section>'),
  64                     root = c.doc(),
  65                     text = root.children()[0];
  66
  67                 text.setText('a cat');
  68                 expect(root.children()[0].getText()).to.equal('a cat');
  69             });
  70         });
  71
  72         describe('DocumentNodeElement', function() {
  73             it('knows index of its child', function() {
  74                 var c = canvas.fromXML('<section><div></div><header></header><span></span></section>'),
  75                     root = c.doc(),
  76                     child = root.children()[1];
  77                 expect(root.childIndex(child)).to.equal(1);
  78             });
  79
  80             it('knows WLXML tag it renders', function(){
  81                 var c = canvas.fromXML('<section></section>'),
  82                     section = c.doc();
  83                 expect(section.getWlxmlTag()).to.equal('section', 'initial tag is section');
  84                 section.setWlxmlTag('header');
  85                 expect(section.getWlxmlTag()).to.equal('header', 'tag is changed to header');
  86             });
  87
  88             it('knows WLXML class of a WLXML tag it renders', function(){
  89                 var c = canvas.fromXML('<section class="some.class.A"></section>'),
  90                     section = c.doc();
  91                 expect(section.getWlxmlClass()).to.equal('some.class.A');
  92                 section.setWlxmlClass('some.class.B');
  93                 expect(section.getWlxmlClass()).to.equal('some.class.B');
  94                 section.setWlxmlClass(null);
  95                 expect(section.getWlxmlClass()).to.be.undefined;
  96             });
  97
  98
  99
 100             describe('element has meta attributes', function() {
 101                 it('can change its meta attributes', function() {
 102                     var c = canvas.fromXML('<section><span class="uri" meta-uri="someuri"></span></section>'),
 103                     span = c.doc().children()[0];
 104
 105                     expect(span.getWlxmlMetaAttr('uri')).to.equal('someuri');
 106                     span.setWlxmlMetaAttr('uri', 'otheruri');
 107                     expect(span.getWlxmlMetaAttr('uri')).to.equal('otheruri');
 108                 });
 109
 110                 it('changes its meta attributes with class change', function() {
 111                     var c = canvas.fromXML('<section><span class="uri" meta-uri="someuri"></span></section>'),
 112                     span = c.doc().children()[0];
 113
 114                     expect(span.getWlxmlMetaAttr('uri')).to.equal('someuri');
 115                     span.setWlxmlClass('author');
 116                     expect(span.getWlxmlMetaAttr('uri')).to.be.undefined;
 117                 });
 118
 119                 it('keeps meta attribute value on class change if a new class has this attribute', function() {
 120                     var c = canvas.fromXML('<section><span class="uri" meta-uri="someuri"></span></section>'),
 121                     span = c.doc().children()[0];
 122                     span.setWlxmlClass('uri.some.subclass');
 123                     expect(span.getWlxmlMetaAttr('uri')).to.equal('someuri');
 124                 });
 125             });
 126         });
 127
 128         it('returns DocumentNodeElement instance from HTMLElement', function() {
 129             var c = canvas.fromXML('<section></section>'),
 130                 htmlElement = c.doc().dom().get(0),
 131                 element = c.getDocumentElement(htmlElement);
 132             expect(element).to.be.instanceOf(documentElement.DocumentNodeElement);
 133             expect(element.sameNode(c.doc()));
 134         });
 135
 136         it('returns DocumentTextElement instance from Text Node', function() {
 137             var c = canvas.fromXML('<section>Alice</section>'),
 138                 aliceElement = c.doc().children()[0],
 139                 textNode = aliceElement.dom().contents()[0],
 140                 element = c.getDocumentElement(textNode);
 141
 142             expect(textNode.nodeType).to.equal(Node.TEXT_NODE, 'text node selected');
 143             expect($(textNode).text()).to.equal('Alice');
 144
 145             expect(element).to.be.instanceOf(documentElement.DocumentTextElement);
 146             expect(element.sameNode(c.doc().children()[0]));
 147         });
 148     });
 149
 150
 151
 152     describe('document representation api', function() {
 153         describe('document root element', function() {
 154             var c = canvas.fromXML('<section></section>');
 155             it('exists', function() {
 156                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentElement);
 157             });
 158             it('is of type DocumentNodeElement', function() {
 159                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentNodeElement);
 160             });
 161         });
 162
 163         describe('DocumentElements comparison', function() {
 164             it('reports dwo DocumentElements to be the same when they represent the same wlxml document element', function() {
 165                 var c = canvas.fromXML('<section><div></div><div></div></section>'),
 166                     first_div1 = c.doc().children()[0],
 167                     first_div2 = c.doc().children()[0],
 168                     second_div = c.doc().children()[1];
 169                 expect(first_div1.sameNode(first_div1)).to.be.true;
 170                 expect(first_div1.sameNode(first_div2)).to.be.true;
 171                 expect(first_div1.sameNode(second_div)).to.be.false;
 172             });
 173         });
 174
 175         describe('traversing', function() {
 176             it('reports element nodes', function() {
 177                 var c = canvas.fromXML('<section><div></div></section>'),
 178                     children = c.doc().children();
 179                 expect(children.length).to.equal(1);
 180                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 181
 182                 c = canvas.fromXML('<section><div></div><div></div></section>'),
 183                     children = c.doc().children();
 184                 expect(children.length).to.equal(2);
 185                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 186                 expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 187             });
 188
 189             it('reports text nodes', function() {
 190                 var c = canvas.fromXML('<section>Alice</section>'),
 191                     children = c.doc().children();
 192                 expect(children.length).to.equal(1);
 193                 expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 194             });
 195
 196             describe('accessing parents', function() {
 197                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentNodeElement parent', function() {
 198                     var c = canvas.fromXML('<section><div></div></section>'),
 199                         div = c.doc().children()[0];
 200                     expect(div.parent().sameNode(c.doc())).to.be.true;
 201                 });
 202                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentTextElement parent', function() {
 203                     var c = canvas.fromXML('<section>Alice</section>'),
 204                         text = c.doc().children()[0];
 205                     expect(text.parent().sameNode(c.doc())).to.be.true;
 206                 });
 207             });
 208
 209             describe('free text handling', function() {
 210                     it('sees free text', function() {
 211                         var c = canvas.fromXML('<section>Alice <span>has</span> a cat</section>'),
 212                             children = c.doc().children();
 213                         expect(children.length).to.equal(3);
 214                         expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 215                         expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 216                         expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
 217                     });
 218             });
 219
 220             describe('white characters handling', function() {
 221                 it('says empty element node has no children', function() {
 222                     var c = canvas.fromXML('<section></section>');
 223                     expect(c.doc().children().length).to.equal(0);
 224                 });
 225                 it('says element node with one space has one DocumentTextElement', function() {
 226                     var c = canvas.fromXML('<section> </section>');
 227                     expect(c.doc().children().length).to.equal(1);
 228                     expect(c.doc().children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 229                     expect(c.doc().children()[0].getText()).to.equal(' ');
 230                 });
 231                 it('ignores white space surrounding block elements', function() {
 232                     var c = canvas.fromXML('<section> <div></div> </section>');
 233                     var children = c.doc().children();
 234                     expect(children.length).to.equal(1);
 235                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 236                 });
 237                 it('ignores white space between block elements', function() {
 238                     var c = canvas.fromXML('<section><div></div> <div></div></section>');
 239                     var children = c.doc().children();
 240                     expect(children.length === 2);
 241                     [0,1].forEach(function(idx) {
 242                         expect(children[idx]).to.be.instanceOf(documentElement.DocumentNodeElement);
 243                     });
 244                 });
 245
 246                 it('trims white space from the beginning and the end of the block elements', function() {
 247                     var c = canvas.fromXML('<section> Alice <span>has</span> a cat </section>');
 248                     expect(c.doc().children()[0].getText()).to.equal('Alice ');
 249                     expect(c.doc().children()[2].getText()).to.equal(' a cat');
 250                 });
 251
 252                 it('normalizes string of white characters to one space at the inline element boundries', function() {
 253                     var c = canvas.fromXML('<span>   Alice has a cat   </span>');
 254                     expect(c.doc().children()[0].getText()).to.equal(' Alice has a cat ');
 255                 });
 256
 257                 it('normalizes string of white characters to one space before inline element', function() {
 258                     var c = canvas.fromXML('<div>Alice has  <span>a cat</span></div>');
 259                     expect(c.doc().children()[0].getText()).to.equal('Alice has ');
 260                 });
 261
 262                 it('normalizes string of white characters to one space after inline element', function() {
 263                     var c = canvas.fromXML('<div>Alice has <span>a</span>  cat</div>');
 264                     expect(c.doc().children()[2].getText()).to.equal(' cat');
 265                 });
 266             });
 267
 268             describe('getting vertically first text element', function() {
 269                 it('returns the first child if it\'s text element, ignores metadata', function() {
 270                     var c = canvas.fromXML('<section><metadata><dc:author>author</dc:author></metadata>Alice<div>has</div>a cat</section>'),
 271                         first = c.doc().getVerticallyFirstTextElement();
 272
 273                     expect(first.sameNode(c.doc().children()[1])).to.be.true;
 274                 });
 275
 276                 it('looks recursively inside node elements if they precede text element', function() {
 277                     var c = canvas.fromXML('\
 278                             <section>\
 279                                 <div>\
 280                                     <div>\
 281                                         Alice\
 282                                     </div>\
 283                                 </div>\
 284                                 Some text\
 285                             </section>'),
 286                         textAlice = c.doc().children()[0].children()[0].children()[0],
 287                         first = c.doc().getVerticallyFirstTextElement();
 288
 289                     expect(textAlice).to.be.instanceOf(documentElement.DocumentTextElement);
 290                     expect(first.sameNode(textAlice)).to.be.true;
 291                 });
 292             });
 293         });
 294
 295         describe('manipulation api', function() {
 296
 297             describe('Basic Element inserting', function() {
 298                 it('can put new NodeElement at the end', function() {
 299                     var c = canvas.fromXML('<section></section>'),
 300                         appended = c.doc().append({tag: 'header', klass: 'some.class'}),
 301                         children = c.doc().children();
 302
 303                     expect(children.length).to.equal(1);
 304                     expect(children[0].sameNode(appended)).to.be.true;
 305                 });
 306
 307                 it('can put new TextElement at the end', function() {
 308                     var c = canvas.fromXML('<section></section>'),
 309                         appended = c.doc().append({text: 'Alice'}),
 310                         children = c.doc().children();
 311
 312                     expect(children.length).to.equal(1);
 313                     expect(children[0].sameNode(appended)).to.be.true;
 314                     expect(children[0].getText()).to.equal('Alice');
 315                 });
 316
 317                 it('can put new NodeElement after another NodeElement', function() {
 318                     var c = canvas.fromXML('<section><div></div></section>'),
 319                         div = c.doc().children()[0],
 320                         added = div.after({tag: 'header', klass: 'some.class'}),
 321                         children = c.doc().children();
 322                     expect(children.length).to.equal(2);
 323                     expect(children[1].sameNode(added)).to.be.true;
 324                 });
 325
 326                 it('can put new Nodeelement before another element', function() {
 327                     var c = canvas.fromXML('<section><div></div></section>'),
 328                         div = c.doc().children()[0],
 329                         added = div.before({tag: 'header', klass: 'some.class'}),
 330                         children = c.doc().children();
 331                     expect(children.length).to.equal(2);
 332                     expect(children[0].sameNode(added)).to.be.true;
 333                 });
 334
 335                 it('can put new DocumentNodeElement after DocumentTextElement', function() {
 336                     var c = canvas.fromXML('<section>Alice</section>'),
 337                         text = c.doc().children()[0],
 338                         added = text.after({tag: 'p'}),
 339                         children = c.doc().children();
 340
 341                     expect(children.length).to.equal(2);
 342                     expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 343                     expect(children[0].getText()).to.equal('Alice');
 344                     expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 345                     expect(children[1].sameNode(added)).to.be.true;
 346                 });
 347                 it('can put new DocumentNodeElement before DocumentTextElement', function() {
 348                     var c = canvas.fromXML('<section>Alice</section>'),
 349                         text = c.doc().children()[0],
 350                         added = text.before({tag: 'p'}),
 351                         children = c.doc().children();
 352
 353                     expect(children.length).to.equal(2);
 354                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 355                     expect(children[0].sameNode(added)).to.be.true;
 356                     expect(children[1]).to.be.instanceOf(documentElement.DocumentTextElement);
 357                     expect(children[1].getText()).to.equal('Alice');
 358                 });
 359
 360                 it('can divide DocumentTextElement with a new DocumentNodeElement', function() {
 361                     var c = canvas.fromXML('<section>Alice has a cat</section>'),
 362                         section = c.doc(),
 363                         text = section.children()[0];
 364
 365                     var returned = text.divide({tag: 'aside', klass: 'footnote', offset: 5}),
 366                         sectionChildren = section.children(),
 367                         lhsText = sectionChildren[0],
 368                         rhsText = sectionChildren[2];
 369
 370                     expect(lhsText.getText()).to.equal('Alice');
 371                     expect(returned.sameNode(sectionChildren[1]));
 372                     expect(rhsText.getText()).to.equal(' has a cat');
 373                 });
 374
 375                 it('treats dividing DocumentTextElement at the very end as appending after it', function() {
 376                     var c = canvas.fromXML('<section>Alice has a cat</section>'),
 377                         section = c.doc(),
 378                         text = section.children()[0];
 379
 380                     var returned = text.divide({tag: 'aside', klass: 'footnote', offset: 15}),
 381                         sectionChildren = section.children(),
 382                         textElement = sectionChildren[0],
 383                         nodeElement = sectionChildren[1];
 384
 385                     expect(sectionChildren.length).to.equal(2);
 386                     expect(textElement.getText()).to.equal('Alice has a cat');
 387                     expect(returned.sameNode(nodeElement)).to.be.true;
 388                     expect(nodeElement.getWlxmlTag()).to.equal('aside');
 389                 });
 390
 391                 it('treats dividing DocumentTextElement at the very beginning as appending before it', function() {
 392                     var c = canvas.fromXML('<section>Alice has a cat</section>'),
 393                         section = c.doc(),
 394                         text = section.children()[0];
 395
 396                     var returned = text.divide({tag: 'aside', klass: 'footnote', offset: 0}),
 397                         sectionChildren = section.children(),
 398                         nodeElement = sectionChildren[0],
 399                         textElement = sectionChildren[1];
 400
 401                     expect(sectionChildren.length).to.equal(2);
 402                     expect(textElement.getText()).to.equal('Alice has a cat');
 403                     expect(returned.sameNode(nodeElement)).to.be.true;
 404                     expect(nodeElement.getWlxmlTag()).to.equal('aside');
 405                 });
 406             });
 407
 408             describe('Splitting text', function() {
 409
 410                 it('splits DocumentTextElement\'s parent into two DocumentNodeElements of the same type', function() {
 411                     var c = canvas.fromXML('<section><header>Some header</header></section>'),
 412                         section = c.doc(),
 413                         text = section.children()[0].children()[0];
 414
 415                     var returnedValue = text.split({offset: 5});
 416                     expect(section.children().length).to.equal(2, 'section has two children');
 417
 418                     var header1 = section.children()[0];
 419                     var header2 = section.children()[1];
 420
 421                     expect(header1.getWlxmlTag()).to.equal('header', 'first section child represents wlxml header');
 422                     expect(header1.children().length).to.equal(1, 'first header has one text child');
 423                     expect(header1.children()[0].getText()).to.equal('Some ', 'first header has correct content');
 424                     expect(header2.getWlxmlTag()).to.equal('header', 'second section child represents wlxml header');
 425                     expect(header2.children().length).to.equal(1, 'second header has one text child');
 426                     expect(header2.children()[0].getText()).to.equal('header', 'second header has correct content');
 427
 428                     expect(returnedValue.first.sameNode(header1)).to.equal(true, 'first node returnde');
 429                     expect(returnedValue.second.sameNode(header2)).to.equal(true, 'second node returned');
 430                 });
 431
 432                 it('leaves empty copy of DocumentNodeElement if splitting at the very beginning', function() {
 433                         var c = canvas.fromXML('<section><header>Some header</header></section>'),
 434                         section = c.doc(),
 435                         text = section.children()[0].children()[0];
 436
 437                         text.split({offset: 0});
 438
 439                         var header1 = section.children()[0];
 440                         var header2 = section.children()[1];
 441
 442                         expect(header1.children().length).to.equal(0);
 443                         expect(header2.children()[0].getText()).to.equal('Some header');
 444                 });
 445
 446                 it('leaves empty copy of DocumentNodeElement if splitting at the very end', function() {
 447                         var c = canvas.fromXML('<section><header>Some header</header></section>'),
 448                         section = c.doc(),
 449                         text = section.children()[0].children()[0];
 450
 451                         text.split({offset: 11});
 452
 453                         var header1 = section.children()[0];
 454                         var header2 = section.children()[1];
 455
 456                         expect(header1.children()[0].getText()).to.equal('Some header');
 457                         expect(header2.children().length).to.equal(0);
 458                 });
 459
 460                 it('keeps DocumentTextElement\'s parent\'s children elements intact', function() {
 461                     var c = canvas.fromXML('\
 462                             <section>\
 463                                 <header>\
 464                                     A <span>fancy</span> and <span>nice</span> header\
 465                                 </header>\
 466                             </section>'),
 467                         section = c.doc(),
 468                         header = section.children()[0],
 469                         textAnd = header.children()[2];
 470
 471                     textAnd.split({offset: 2});
 472
 473                     var sectionChildren = section.children();
 474                     expect(sectionChildren.length).to.equal(2, 'Section has two children');
 475                     expect(sectionChildren[0].getWlxmlTag()).to.equal('header', 'First section element is a wlxml header');
 476                     expect(sectionChildren[1].getWlxmlTag()).to.equal('header', 'Second section element is a wlxml header');
 477
 478                     var firstHeaderChildren = sectionChildren[0].children();
 479                     expect(firstHeaderChildren.length).to.equal(3, 'First header has three children');
 480                     expect(firstHeaderChildren[0].getText()).to.equal('A ', 'First header starts with a text');
 481                     expect(firstHeaderChildren[1].getWlxmlTag()).to.equal('span', 'First header has span in the middle');
 482                     expect(firstHeaderChildren[2].getText()).to.equal(' a', 'First header ends with text');
 483
 484                     var secondHeaderChildren = sectionChildren[1].children();
 485                     expect(secondHeaderChildren.length).to.equal(3, 'Second header has three children');
 486                     expect(secondHeaderChildren[0].getText()).to.equal('nd ', 'Second header starts with text');
 487                     expect(secondHeaderChildren[1].getWlxmlTag()).to.equal('span', 'Second header has span in the middle');
 488                     expect(secondHeaderChildren[2].getText()).to.equal(' header', 'Second header ends with text');
 489                 });
 490             });
 491
 492             describe('wrapping', function() {
 493                 it('wraps DocumentNodeElement', function() {
 494                     var c = canvas.fromXML('<section><div></div></section>'),
 495                         div = c.doc().children()[0];
 496
 497                     var returned = div.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
 498                         parent = div.parent(),
 499                         parent2 = c.doc().children()[0];
 500
 501                     expect(returned.sameNode(parent)).to.be.true;
 502                     expect(returned.sameNode(parent2)).to.be.true;
 503                     expect(returned.getWlxmlTag()).to.equal('header');
 504                     expect(returned.getWlxmlClass()).to.equal('some.class');
 505                 });
 506                 it('wraps DocumentTextElement', function() {
 507                     var c = canvas.fromXML('<section>Alice</section>'),
 508                         text = c.doc().children()[0];
 509
 510                     var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
 511                         parent = text.parent(),
 512                         parent2 = c.doc().children()[0];
 513
 514                     expect(returned.sameNode(parent)).to.be.true;
 515                     expect(returned.sameNode(parent2)).to.be.true;
 516                     expect(returned.getWlxmlTag()).to.equal('header');
 517                     expect(returned.getWlxmlClass()).to.equal('some.class');
 518                 });
 519
 520                 describe('wrapping part of DocumentTextElement', function() {
 521                     [{start: 5, end: 12}, {start: 12, end: 5}].forEach(function(offsets) {
 522                         it('wraps in the middle ' + offsets.start + '/' + offsets.end, function() {
 523                             var c = canvas.fromXML('<section>Alice has a cat</section>'),
 524                                 text = c.doc().children()[0];
 525
 526                             var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: offsets.start, end: offsets.end}),
 527                                 children = c.doc().children();
 528
 529                             expect(children.length).to.equal(3);
 530
 531                             expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 532                             expect(children[0].getText()).to.equal('Alice');
 533
 534                             expect(children[1].sameNode(returned)).to.be.true;
 535                             expect(returned.getWlxmlTag()).to.equal('header');
 536                             expect(returned.getWlxmlClass()).to.equal('some.class');
 537                             expect(children[1].children().length).to.equal(1);
 538                             expect(children[1].children()[0].getText()).to.equal(' has a ');
 539
 540                             expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
 541                             expect(children[2].getText()).to.equal('cat');
 542                         });
 543                     });
 544
 545                     it('wraps whole text inside DocumentTextElement if offsets span entire content', function() {
 546                          var c = canvas.fromXML('<section>Alice has a cat</section>'),
 547                              text = c.doc().children()[0];
 548
 549                          var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: 0, end: 15}),
 550                              children = c.doc().children();
 551
 552                          expect(children.length).to.equal(1);
 553                          expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 554                          expect(children[0].children()[0].getText()).to.equal('Alice has a cat');
 555                     });
 556                 });
 557
 558                 it('wraps text spanning multiple sibling DocumentTextNodes', function() {
 559                     var c = canvas.fromXML('<section>Alice has a <span>small</span> cat</section>'),
 560                         section = c.doc(),
 561                         wrapper = c.wrapText({
 562                             inside: section,
 563                             _with: {tag: 'span', klass: 'some.class'},
 564                             offsetStart: 6,
 565                             offsetEnd: 4,
 566                             textNodeIdx: [0,2]
 567                         });
 568
 569                     expect(section.children().length).to.equal(2);
 570                     expect(section.children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 571                     expect(section.children()[0].getText()).to.equal('Alice ');
 572
 573                     var wrapper2 = section.children()[1];
 574                     expect(wrapper2.sameNode(wrapper)).to.be.true;
 575
 576                     var wrapperChildren = wrapper.children();
 577                     expect(wrapperChildren.length).to.equal(3);
 578                     expect(wrapperChildren[0].getText()).to.equal('has a ');
 579
 580                     expect(wrapperChildren[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 581                     expect(wrapperChildren[1].children().length).to.equal(1);
 582                     expect(wrapperChildren[1].children()[0].getText()).to.equal('small');
 583
 584                     expect(wrapperChildren[2].getText()).to.equal(' cat');
 585                 });
 586             });
 587
 588             describe('unwrapping', function() {
 589                 it('unwraps DocumentTextElement from its parent DocumentNodeElement if it\'s its only child', function() {
 590                     var c = canvas.fromXML('<section>Alice <span>has a</span> cat</section>'),
 591                     section = c.doc(),
 592                     text = section.children()[1].children()[0];
 593
 594                     var newTextContainer = text.unwrap();
 595
 596                     expect(section.children().length).to.equal(1, 'section has one child');
 597                     expect(section.children()[0].getText()).to.equal('Alice has a cat');
 598                     expect(newTextContainer.sameNode(c.doc())).to.equal(true, 'unwrap returns new text parent DocumentNodeElement');
 599                 })
 600             });
 601         });
 602
 603         describe('Lists api', function() {
 604             describe('creating lists', function() {
 605                 it('allows creation of a list from existing sibling DocumentElements', function() {
 606                     var c = canvas.fromXML('\
 607                         <section>\
 608                             Alice\
 609                             <div>has</div>\
 610                             a\
 611                             <div>cat</div>\
 612                         </section>'),
 613                         section = c.doc(),
 614                         textHas = section.children()[1],
 615                         divA = section.children()[2]
 616
 617                     c.list.create({element1: textHas, element2: divA});
 618
 619                     expect(section.children().length).to.equal(3, 'section has three child elements');
 620
 621                     var child1 = section.children()[0],
 622                         list = section.children()[1],
 623                         child3 = section.children()[2];
 624
 625                     expect(child1.getText()).to.equal('Alice');
 626                     expect(list.is('list')).to.equal(true, 'second child is a list');
 627                     expect(list.children().length).to.equal(2, 'list contains two elements');
 628                     list.children().forEach(function(child) {
 629                         expect(child.getWlxmlClass()).to.equal('item', 'list childs have wlxml class of item');
 630                     });
 631                     expect(child3.children()[0].getText()).to.equal('cat');
 632                 });
 633
 634                 it('allows creating nested list from existing sibling list items', function() {
 635                     var c = canvas.fromXML('\
 636                         <section>\
 637                             <div class="list-items">\
 638                                 <div class="item">A</div>\
 639                                 <div class="item">B</div>\
 640                                 <div class="item">C</div>\
 641                                 <div class="item">D</div>\
 642                             </div>\
 643                         </section>'),
 644                         outerList = c.doc().children()[0],
 645                         itemB = outerList.children()[1],
 646                         itemC = outerList.children()[2];
 647
 648
 649                         c.list.create({element1: itemB, element2: itemC});
 650
 651                     var outerListItems = outerList.children(),
 652                         innerList = outerListItems[1].children()[0],
 653                         innerListItems = innerList.children();
 654
 655                     expect(outerListItems.length).to.equal(3, 'outer list has three items');
 656                     expect(outerListItems[0].children()[0].getText()).to.equal('A', 'first outer item ok');
 657                     expect(outerListItems[1].getWlxmlClass()).to.equal('item', 'inner list is wrapped by item element');
 658
 659                     expect(innerList.is('list')).to.equal(true, 'inner list created');
 660                     expect(innerListItems.length).to.equal(2, 'inner list has two items');
 661                     expect(innerListItems[0].children()[0].getText()).to.equal('B', 'first inner item ok');
 662                     expect(innerListItems[1].children()[0].getText()).to.equal('C', 'second inner item ok');
 663
 664                     expect(outerListItems[2].children()[0].getText()).to.equal('D', 'last outer item ok');
 665
 666                 });
 667
 668             });
 669
 670             describe('extracting list items', function() {
 671                 it('creates two lists with extracted items in the middle if extracting from the middle of the list', function() {
 672                     var c = canvas.fromXML('\
 673                         <section>\
 674                             <div class="list.items">\
 675                                 <div class="item">0</div>\
 676                                 <div class="item">1</div>\
 677                                 <div class="item">2</div>\
 678                                 <div class="item">3</div>\
 679                             </div>\
 680                         </section>'),
 681                         list = c.doc().children()[0],
 682                         item1 = list.children()[1],
 683                         item2 = list.children()[2];
 684
 685                     c.list.extractItems({element1: item1, element2: item2});
 686
 687                     var section = c.doc(),
 688                         list1 = section.children()[0],
 689                         oldItem1 = section.children()[1],
 690                         oldItem2 = section.children()[2],
 691                         list2 = section.children()[3];
 692
 693                     expect(section.children().length).to.equal(4, 'section contains four children');
 694
 695                     expect(list1.is('list')).to.equal(true, 'first section child is a list');
 696                     expect(list1.children().length).to.equal(1, 'first list has one child');
 697                     expect(list1.children()[0].children()[0].getText()).to.equal('0', 'first item of the first list is a first item of the original list');
 698
 699                     expect(oldItem1.children()[0].getText()).to.equal('1', 'first item got extracted');
 700                     expect(oldItem1.getWlxmlClass() === undefined).to.equal(true, 'first extracted element has no wlxml class');
 701
 702                     expect(oldItem2.children()[0].getText()).to.equal('2', 'second item got extracted');
 703                     expect(oldItem2.getWlxmlClass() === undefined).to.equal(true, 'second extracted element has no wlxml class');
 704
 705                     expect(list2.is('list')).to.equal(true, 'last section child is a list');
 706                     expect(list2.children().length).to.equal(1, 'second list has one child');
 707                     expect(list2.children()[0].children()[0].getText()).to.equal('3', 'first item of the second list is a last item of the original list');
 708                 });
 709
 710                 it('puts extracted items above the list if starting item is the first one', function() {
 711                     var c = canvas.fromXML('\
 712                         <section>\
 713                             <div class="list.items">\
 714                                 <div class="item">0</div>\
 715                                 <div class="item">1</div>\
 716                                 <div class="item">2</div>\
 717                             </div>\
 718                         </section>'),
 719                         list = c.doc().children()[0],
 720                         item1 = list.children()[0],
 721                         item2 = list.children()[1],
 722                         item3 = list.children()[2];
 723
 724                     c.list.extractItems({element1: item1, element2: item2});
 725
 726                     var section = c.doc(),
 727                         oldItem1 = section.children()[0],
 728                         oldItem2 = section.children()[1],
 729                         newList = section.children()[2];
 730
 731                     expect(section.children().length).to.equal(3, 'section has three children');
 732                     expect(oldItem1.children()[0].getText()).to.equal('0', 'first item extracted');
 733                     expect(oldItem2.children()[0].getText()).to.equal('1', 'second item extracted');
 734                     expect(newList.is('list')).to.equal(true, 'list lies below extracted item');
 735                     expect(newList.children().length).to.equal(1, 'list has now one child');
 736                 });
 737
 738                 it('puts extracted items below the list if ending item is the last one', function() {
 739                     var c = canvas.fromXML('\
 740                         <section>\
 741                             <div class="list.items">\
 742                                 <div class="item">0</div>\
 743                                 <div class="item">1</div>\
 744                                 <div class="item">2</div>\
 745                             </div>\
 746                         </section>'),
 747                         list = c.doc().children()[0],
 748                         item1 = list.children()[0],
 749                         item2 = list.children()[1],
 750                         item3 = list.children()[2];
 751
 752                     c.list.extractItems({element1: item2, element2: item3});
 753
 754                     var section = c.doc(),
 755                         oldItem1 = section.children()[1],
 756                         oldItem2 = section.children()[2],
 757                         newList = section.children()[0];
 758
 759                     expect(section.children().length).to.equal(3, 'section has three children');
 760                     expect(oldItem1.children()[0].getText()).to.equal('1', 'first item extracted');
 761                     expect(oldItem2.children()[0].getText()).to.equal('2', 'second item extracted');
 762                     expect(newList.is('list')).to.equal(true, 'list lies above extracted item');
 763                     expect(newList.children().length).to.equal(1, 'list has now one child');
 764                 });
 765
 766                 it('removes list if all its items are extracted', function() {
 767                     var c = canvas.fromXML('\
 768                         <section>\
 769                             <div class="list.items">\
 770                                 <div class="item">some item</div>\
 771                                 <div class="item">some item 2</div>\
 772                             </div>\
 773                         </section>'),
 774                         list = c.doc().children()[0],
 775                         item1 = list.children()[0],
 776                         item2 = list.children()[1];
 777
 778                     c.list.extractItems({element1: item1, element2: item2});
 779
 780                     var section = c.doc(),
 781                         list1 = section.children()[0],
 782                         oldItem1 = section.children()[0],
 783                         oldItem2 = section.children()[1];
 784
 785                     expect(section.children().length).to.equal(2, 'section contains two children');
 786                     expect(oldItem1.children()[0].getText()).to.equal('some item');
 787                     expect(oldItem2.children()[0].getText()).to.equal('some item 2');
 788                 });
 789
 790                 it('creates two lists with extracted items in the middle if extracting from the middle of the list - nested case' , function() {
 791                     var c = canvas.fromXML('\
 792                         <section>\
 793                             <div class="list.items">\
 794                                 <div class="item">0</div>\
 795                                 <div class="item">\
 796                                     <div class="list.items">\
 797                                         <div class="item">1.1</div>\
 798                                         <div class="item">1.2</div>\
 799                                         <div class="item">1.3</div>\
 800                                     </div>\
 801                                 </div>\
 802                                 <div class="item">2</div>\
 803                             </div>\
 804                         </section>'),
 805                         list = c.doc().children()[0],
 806                         nestedList = list.children()[1].children()[0],
 807                         nestedListItem = nestedList.children()[1];
 808
 809                     c.list.extractItems({element1: nestedListItem, element2: nestedListItem});
 810
 811                     var section = c.doc(),
 812                         list = section.children()[0],
 813                         item1 = list.children()[0],
 814                         item2 = list.children()[1], //
 815                         item3 = list.children()[2],
 816                         item4 = list.children()[3], //
 817                         item5 = list.children()[4],
 818                         nestedList1 = item2.children()[0],
 819                         nestedList2 = item4.children()[0];
 820
 821                     expect(list.children().length).to.equal(5, 'top list has five items');
 822
 823                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 824
 825                     expect(item2.getWlxmlClass()).to.equal('item', 'first nested list is still wrapped in item element');
 826                     expect(nestedList1.children().length).to.equal(1, 'first nested list is left with one child');
 827                     expect(nestedList1.children()[0].children()[0].getText()).to.equal('1.1', 'first nested list item left alone');
 828
 829                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 830
 831                     expect(item4.getWlxmlClass()).to.equal('item', 'second nested list is still wrapped in item element');
 832                     expect(nestedList2.children().length).to.equal(1, 'second nested list is left with one child');
 833                     expect(nestedList2.children()[0].children()[0].getText()).to.equal('1.3', 'second nested list item left alone');
 834
 835                     expect(item5.children()[0].getText()).to.equal('2', 'last item ok');
 836                 });
 837
 838                 it('puts extracted items below the list if ending item is the last one - nested case' , function() {
 839                     var c = canvas.fromXML('\
 840                         <section>\
 841                             <div class="list.items">\
 842                                 <div class="item">0</div>\
 843                                 <div class="item">\
 844                                     <div class="list.items">\
 845                                         <div class="item">1.1</div>\
 846                                         <div class="item">1.2</div>\
 847                                         <div class="item">1.3</div>\
 848                                     </div>\
 849                                 </div>\
 850                                 <div class="item">2</div>\
 851                             </div>\
 852                         </section>'),
 853                         list = c.doc().children()[0],
 854                         nestedList = list.children()[1].children()[0],
 855                         nestedListItem1 = nestedList.children()[1],
 856                         nestedListItem2 = nestedList.children()[2];
 857
 858                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
 859
 860                     var section = c.doc(),
 861                         list = section.children()[0],
 862                         item1 = list.children()[0],
 863                         item2 = list.children()[1],
 864                         item3 = list.children()[2],
 865                         item4 = list.children()[3],
 866                         item5 = list.children()[4];
 867                     nestedList = item2.children()[0];
 868
 869                     expect(list.children().length).to.equal(5, 'top list has five items');
 870                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 871                     expect(item2.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
 872                     expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
 873                     expect(nestedList.children()[0].children()[0].getText()).to.equal('1.1', 'nested list item left alone');
 874                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 875                     expect(item4.children()[0].getText()).to.equal('1.3', 'fourth item ok');
 876                     expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
 877                 });
 878
 879                 it('puts extracted items above the list if starting item is the first one - nested case' , function() {
 880                     var c = canvas.fromXML('\
 881                         <section>\
 882                             <div class="list.items">\
 883                                 <div class="item">0</div>\
 884                                 <div class="item">\
 885                                     <div class="list.items">\
 886                                         <div class="item">1.1</div>\
 887                                         <div class="item">1.2</div>\
 888                                         <div class="item">1.3</div>\
 889                                     </div>\
 890                                 </div>\
 891                                 <div class="item">2</div>\
 892                             </div>\
 893                         </section>'),
 894                         list = c.doc().children()[0],
 895                         nestedList = list.children()[1].children()[0],
 896                         nestedListItem1 = nestedList.children()[0],
 897                         nestedListItem2 = nestedList.children()[1];
 898
 899                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
 900
 901                     var section = c.doc(),
 902                         list = section.children()[0],
 903                         item1 = list.children()[0],
 904                         item2 = list.children()[1],
 905                         item3 = list.children()[2],
 906                         item4 = list.children()[3],
 907                         item5 = list.children()[4];
 908                     nestedList = item4.children()[0];
 909
 910                     expect(list.children().length).to.equal(5, 'top list has five items');
 911                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 912                     expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
 913                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 914
 915                     expect(item4.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
 916                     expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
 917                     expect(nestedList.children()[0].children()[0].getText()).to.equal('1.3', 'nested list item left alone');
 918                     expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
 919                 });
 920
 921                 it('removes list if all its items are extracted - nested case', function() {
 922                     var c = canvas.fromXML('\
 923                         <section>\
 924                             <div class="list.items">\
 925                                 <div class="item">0</div>\
 926                                 <div class="item">\
 927                                     <div class="list.items">\
 928                                         <div class="item">1.1</div>\
 929                                         <div class="item">1.2</div>\
 930                                     </div>\
 931                                 </div>\
 932                                 <div class="item">2</div>\
 933                             </div>\
 934                         </section>'),
 935                         list = c.doc().children()[0],
 936                         nestedList = list.children()[1].children()[0],
 937                         nestedListItem1 = nestedList.children()[0],
 938                         nestedListItem2 = nestedList.children()[1];
 939
 940                     c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
 941
 942                     var section = c.doc(),
 943                         list = section.children()[0],
 944                         item1 = list.children()[0],
 945                         item2 = list.children()[1],
 946                         item3 = list.children()[2],
 947                         item4 = list.children()[3];
 948
 949                     expect(list.children().length).to.equal(4, 'top list has four items');
 950                     expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
 951                     expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
 952                     expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
 953                     expect(item4.children()[0].getText()).to.equal('2', 'fourth item ok');
 954                 });
 955
 956                 it('extracts items out of outer most list when merge flag is set to false', function() {
 957                     var c = canvas.fromXML('\
 958                         <section>\
 959                             <div class="list.items">\
 960                                 <div class="item">0</div>\
 961                                 <div class="item">\
 962                                     <div class="list.items">\
 963                                         <div class="item">1.1</div>\
 964                                         <div class="item">1.2</div>\
 965                                     </div>\
 966                                 </div>\
 967                                 <div class="item">2</div>\
 968                             </div>\
 969                         </section>'),
 970                         section = c.doc(),
 971                         list = section.children()[0],
 972                         nestedList = list.children()[1].children()[0],
 973                         nestedListItem = nestedList.children()[0];
 974
 975                     var test = c.list.extractItems({element1: nestedListItem, element2: nestedListItem, merge: false});
 976
 977                     expect(test).to.equal(true, 'extraction status ok');
 978
 979                     var sectionChildren = section.children(),
 980                         extractedItem = sectionChildren[1];
 981
 982                     expect(sectionChildren.length).to.equal(3, 'section has three children');
 983                     expect(sectionChildren[0].is('list')).to.equal(true, 'first child is a list');
 984
 985                     expect(extractedItem.getWlxmlTag()).to.equal('div', 'extracted item is a wlxml div');
 986                     expect(extractedItem.getWlxmlClass()).to.equal(undefined, 'extracted item has no wlxml class');
 987                     expect(extractedItem.children()[0].getText()).to.equal('1.1', 'extracted item ok');
 988                     expect(sectionChildren[2].is('list')).to.equal(true, 'second child is a list');
 989                 });
 990             });
 991         });
 992
 993     });
 994
 995     describe('Cursor', function() {
 996
 997         var getSelection;
 998
 999         var findTextNode = function(inside, text) {
1000             var nodes = inside.find(':not(iframe)').addBack().contents().filter(function() {
1001                 return this.nodeType === Node.TEXT_NODE && this.data === text;
1002             });
1003             if(nodes.length)
1004                 return nodes[0];
1005             return null;
1006         }
1007
1008         beforeEach(function() {
1009             getSelection = sinon.stub(window, 'getSelection');
1010         });
1011
1012         afterEach(function() {
1013             getSelection.restore();
1014         });
1015
1016         it('returns position when browser selection collapsed', function() {
1017             var c = canvas.fromXML('<section>Alice has a cat</section>'),
1018                 dom = c.doc().dom(),
1019                 text = findTextNode(dom, 'Alice has a cat');
1020
1021             expect(text.nodeType).to.equal(Node.TEXT_NODE, 'correct node selected');
1022             expect($(text).text()).to.equal('Alice has a cat');
1023
1024             getSelection.returns({
1025                 anchorNode: text,
1026                 focusNode: text,
1027                 anchorOffset: 5,
1028                 focusOffset: 5,
1029                 isCollapsed: true
1030             });
1031             var cursor = c.getCursor(),
1032                 position = cursor.getPosition();
1033
1034             expect(cursor.isSelecting()).to.equal(false, 'cursor is not selecting anything');
1035             expect(position.element.getText()).to.equal('Alice has a cat');
1036             expect(position.offset).to.equal(5);
1037             expect(position.offsetAtEnd).to.equal(false, 'offset is not at end');
1038
1039             getSelection.returns({
1040                 anchorNode: text,
1041                 focusNode: text,
1042                 anchorOffset: 15,
1043                 focusOffset: 15,
1044                 isCollapsed: true
1045             });
1046
1047             expect(cursor.getPosition().offsetAtEnd).to.equal(true, 'offset at end');
1048         });
1049
1050         it('returns boundries of selection when browser selection not collapsed', function() {
1051             var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
1052                 dom = c.doc().dom(),
1053                 text = {
1054                     alice: findTextNode(dom, 'Alice '),
1055                     has: findTextNode(dom, 'has'),
1056                     cat: findTextNode(dom, ' cat')
1057                 },
1058                 cursor = c.getCursor(),
1059                 aliceElement = c.getDocumentElement(text.alice),
1060                 catElement = c.getDocumentElement(text.cat);
1061
1062
1063                 [
1064                     {focus: text.alice, focusOffset: 1, anchor: text.cat,   anchorOffset: 2, selectionAnchor: catElement},
1065                     {focus: text.cat,   focusOffset: 2, anchor: text.alice, anchorOffset: 1, selectionAnchor: aliceElement}
1066                 ].forEach(function(s, idx) {
1067                     getSelection.returns({isColapsed: false, anchorNode: s.anchor, anchorOffset: s.anchorOffset, focusNode: s.focus, focusOffset: s.focusOffset});
1068
1069                     var selectionStart = cursor.getSelectionStart(),
1070                         selectionEnd = cursor.getSelectionEnd(),
1071                         selectionAnchor = cursor.getSelectionAnchor();
1072
1073                     expect(cursor.isSelecting()).to.equal(true, 'cursor is selecting');
1074                     expect(selectionStart.element.sameNode(aliceElement)).to.equal(true, '"Alice" is the start of the selection ' + idx);
1075                     expect(selectionStart.offset).to.equal(1, '"Alice" offset ok' + idx);
1076                     expect(selectionEnd.element.sameNode(catElement)).to.equal(true, '"Cat" is the start of the selection ' + idx);
1077                     expect(selectionEnd.offset).to.equal(2, '"Cat" offset ok' + idx);
1078                     expect(selectionAnchor.element.sameNode(s.selectionAnchor)).to.equal(true, 'anchor ok');
1079                     expect(selectionAnchor.offset).to.equal(s.anchorOffset, 'anchor offset ok');
1080                 });
1081         });
1082
1083         it('recognizes when browser selection boundries lies in sibling DocumentTextElements', function() {
1084             var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
1085                 dom = c.doc().dom(),
1086                 text = {
1087                     alice: findTextNode(dom, 'Alice '),
1088                     has: findTextNode(dom, 'has'),
1089                     a: findTextNode(dom, ' a '),
1090                     big: findTextNode(dom, 'big'),
1091                     cat: findTextNode(dom, ' cat'),
1092                 },
1093                 cursor = c.getCursor();
1094
1095             expect($(text.alice).text()).to.equal('Alice ');
1096             expect($(text.has).text()).to.equal('has');
1097             expect($(text.a).text()).to.equal(' a ');
1098             expect($(text.big).text()).to.equal('big');
1099             expect($(text.cat).text()).to.equal(' cat');
1100
1101             getSelection.returns({anchorNode: text.alice, focusNode: text.a});
1102             expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "a" are children');
1103
1104             getSelection.returns({anchorNode: text.alice, focusNode: text.cat});
1105             expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "cat" are children');
1106
1107             getSelection.returns({anchorNode: text.alice, focusNode: text.has});
1108             expect(cursor.isSelectingSiblings()).to.equal(false, '"Alice" and "has" are not children');
1109
1110             getSelection.returns({anchorNode: text.has, focusNode: text.big});
1111             expect(cursor.isSelectingSiblings()).to.equal(false, '"has" and "big" are not children');
1112
1113         })
1114     });
1115
1116     describe('Serializing document to WLXML', function() {
1117         it('keeps document intact when no changes have been made', function() {
1118             var xmlIn = '<section>Alice<div>has</div>a <span class="uri" meta-uri="http://cat.com">cat</span>!</section>',
1119                 c = canvas.fromXML(xmlIn),
1120                 xmlOut = c.toXML();
1121
1122             var parser = new DOMParser(),
1123                 input = parser.parseFromString(xmlIn, "application/xml").childNodes[0],
1124                 output = parser.parseFromString(xmlOut, "application/xml").childNodes[0];
1125
1126             expect(input.isEqualNode(output)).to.be.true;
1127         });
1128
1129         it('keeps arbitrary node attributes intact', function() {
1130             var xmlIn = '<section a="1" xmlns:dcterms="http://purl.org/dc/terms/"></section>',
1131                 $xmlOut = $(canvas.fromXML(xmlIn).toXML());
1132
1133             expect($xmlOut.attr('a')).to.equal('1');
1134             expect($xmlOut.attr('xmlns:dcterms')).to.equal('http://purl.org/dc/terms/');
1135         });
1136
1137         it('doesn\' serialize meta attribute if its empty', function() {
1138             var c;
1139
1140             c = canvas.fromXML('<section class="uri" meta-uri="some.uri"></section>');
1141             c.doc().setWlxmlMetaAttr('uri', '');
1142             expect($(c.toXML()).attr('meta-uri')).to.equal(undefined, 'overriding attribute with zero length string');
1143
1144             c = canvas.fromXML('<section class="uri"></section>');
1145             c.doc().setWlxmlMetaAttr('uri', '');
1146             expect($(c.toXML()).attr('meta-uri')).to.equal(undefined, 'setting attribute to zero length string');
1147         });
1148
1149         describe('output xml', function() {
1150             it('keeps entities intact', function() {
1151                 var xmlIn = '<section>&lt; &gt;</section>',
1152                     c = canvas.fromXML(xmlIn),
1153                     xmlOut = c.toXML();
1154                 expect(xmlOut).to.equal(xmlIn);
1155             });
1156             it('keeps entities intact when they form html/xml', function() {
1157                 var xmlIn = '<section>&lt;abc&gt;</section>',
1158                     c = canvas.fromXML(xmlIn),
1159                     xmlOut = c.toXML();
1160                 expect(xmlOut).to.equal(xmlIn);
1161             });
1162         });
1163
1164         describe('formatting output xml', function() {
1165             /*it('keeps white spaces at the edges of input xml', function() {
1166                 var xmlIn = '  <section></section>  ',
1167                 c = canvas.fromXML(xmlIn),
1168                 xmlOut = c.toXML();
1169
1170                 expect(xmlOut.substr(4)).to.equal('   <', 'start');
1171                 expect(xmlOut.substr(-2)).to.equal('>  ', 'end');
1172             });*/
1173             it('keeps white space between XML nodes', function() {
1174                 var xmlIn = '<section>\n\n\n<div></div>\n\n\n<div></div>\n\n\n</section>',
1175                 c = canvas.fromXML(xmlIn),
1176                 xmlOut = c.toXML();
1177
1178                 var partsIn = xmlIn.split('\n\n\n'),
1179                     partsOut = xmlOut.split('\n\n\n');
1180
1181                 expect(partsIn).to.deep.equal(partsOut);
1182             });
1183
1184             it('keeps white space between XML nodes - inline case', function() {
1185                 var xmlIn = '<section>\n\n\n<span></span>\n\n\n<span></span>\n\n\n</section>',
1186                 c = canvas.fromXML(xmlIn),
1187                 xmlOut = c.toXML();
1188
1189                 var partsIn = xmlIn.split('\n\n\n'),
1190                     partsOut = xmlOut.split('\n\n\n');
1191
1192                 expect(partsIn).to.deep.equal(partsOut);
1193             });
1194
1195             it('keeps white space at the beginning of text', function() {
1196                 var xmlIn = '<section>    abc<div>some div</div>    abc</section>',
1197                     c = canvas.fromXML(xmlIn),
1198                     xmlOut = c.toXML();
1199
1200                 expect(xmlOut).to.equal(xmlIn);
1201             });
1202
1203             it('nests new children block elements', function() {
1204                 var c = canvas.fromXML('<section></section>');
1205
1206                 c.doc().append({tag: 'header'});
1207
1208                 var xmlOut = c.toXML();
1209                 expect(xmlOut.split('\n  ')[0]).to.equal('<section>', 'nesting start ok');
1210                 expect(xmlOut.split('\n').slice(-1)[0]).to.equal('</section>', 'nesting end ok');
1211
1212             });
1213
1214             it('doesn\'t nest new children inline elements', function() {
1215                 var c = canvas.fromXML('<section></section>');
1216
1217                 c.doc().append({tag: 'span'});
1218
1219                 var xmlOut = c.toXML();
1220                 expect(xmlOut).to.equal('<section><span></span></section>');
1221             });
1222
1223             it('keeps original white space at the end of text', function() {
1224
1225                 var xmlIn = '<header>    Some text ended with white space \
1226                 \
1227                 <span class="uri">Some text</span> some text\
1228             \
1229             </header>',
1230                     c = canvas.fromXML(xmlIn);
1231
1232             var xmlOut = c.toXML();
1233             console.log(xmlOut);
1234             expect(xmlOut).to.equal(xmlIn);
1235             });
1236
1237             it('keeps white space around text node', function() {
1238                 var xmlIn = '<section>\
1239                 <header>header1</header>\
1240                 Some text surrounded by white space\
1241                 <header>header2</header>\
1242             </section>',
1243                     c = canvas.fromXML(xmlIn);
1244
1245                 var xmlOut = c.toXML();
1246                 expect(xmlOut).to.equal(xmlIn);
1247             });
1248
1249             it('keeps white space around text node - last node case', function() {
1250                 var xmlIn = '<section>\
1251                 <header>header</header>\
1252                     \
1253                 Some text surrounded by white space\
1254                     \
1255             </section>',
1256                     c = canvas.fromXML(xmlIn);
1257
1258                 var xmlOut = c.toXML();
1259                 expect(xmlOut).to.equal(xmlIn);
1260             });
1261
1262             it('keeps white space after detaching text element', function() {
1263                 var xmlIn = '<section><header>header</header>\n\
1264                     \n\
1265                 text1\n\
1266                     \n\
1267             </section>',
1268                     expectedXmlOut = '<section><header>header</header>\n\
1269                     \n\
1270                 \n\
1271                     \n\
1272             </section>',
1273                     c = canvas.fromXML(xmlIn),
1274                     children = c.doc().children(),
1275                     text = children[children.length-1];
1276
1277                 expect(text.getText()).to.equal('text1');
1278
1279                 text.detach();
1280
1281                 var xmlOut = c.toXML();
1282                 expect(xmlOut).to.equal(expectedXmlOut);
1283             });
1284
1285         })
1286     })
1287 });
1288
1289
1290 });