modules/documentCanvas/canvas/canvas.test3.js

   1 define([
   2 'libs/chai',
   3 'modules/documentCanvas/canvas/canvas',
   4 'modules/documentCanvas/canvas/documentElement'
   5 ], function(chai, canvas, documentElement) {
   6
   7 'use strict';
   8
   9 var expect = chai.expect;
  10
  11
  12 describe('Canvas', function() {
  13
  14     describe('Internal HTML representation of a DocumentNodeElement', function() {
  15         it('is always a div tag', function() {
  16             ['section', 'header', 'span', 'aside', 'figure'].forEach(function(tagName) {
  17                 var dom = canvas.fromXML('<' + tagName + '></' + tagName + '>').doc().dom();
  18                 expect(dom.prop('tagName')).to.equal('DIV', tagName + ' is represented as div');
  19             });
  20         });
  21         it('has wlxml tag put into wlxml-tag attribute', function() {
  22             var dom = canvas.fromXML('<section></section>').doc().dom();
  23             expect(dom.attr('wlxml-tag')).to.equal('section');
  24         });
  25         it('has wlxml class put into wlxml-class, dots replaced with dashes', function() {
  26             var dom = canvas.fromXML('<section class="some.class"></section>').doc().dom();
  27             expect(dom.attr('wlxml-class')).to.equal('some-class');
  28         });
  29     });
  30
  31     describe('Internal HTML representation of a DocumentTextElement', function() {
  32         it('is just a TextNode', function() {
  33             var dom = canvas.fromXML('<section>Alice</section>').doc().children()[0].dom();
  34             expect(dom[0].nodeType === Node.TEXT_NODE);
  35         });
  36     });
  37
  38     describe('basic properties', function() {
  39         it('renders empty document when canvas created from empty XML', function() {
  40             var c = canvas.fromXML('');
  41             expect(c.doc()).to.equal(null);
  42         });
  43
  44         it('gives access to its document root node', function() {
  45             var c = canvas.fromXML('<section></section>');
  46             expect(c.doc().wlxmlTag).to.equal('section');
  47         });
  48
  49         describe('DocumentTextElement', function() {
  50             it('can have its content set', function() {
  51                 var c = canvas.fromXML('<section>Alice</section>'),
  52                     root = c.doc(),
  53                     text = root.children()[0];
  54
  55                 text.setText('a cat');
  56                 expect(root.children()[0].getText()).to.equal('a cat');
  57             });
  58         });
  59
  60         describe('DocumentNodeElement', function() {
  61             it('knows index of its child', function() {
  62                 var c = canvas.fromXML('<section><div></div><header></header><span></span></section>'),
  63                     root = c.doc(),
  64                     child = root.children()[1];
  65                 expect(root.childIndex(child)).to.equal(1);
  66             });
  67
  68             it('knows WLXML tag it renders', function(){
  69                 var c = canvas.fromXML('<section></section>'),
  70                     section = c.doc();
  71                 expect(section.getWlxmlTag()).to.equal('section', 'initial tag is section');
  72                 section.setWlxmlTag('header');
  73                 expect(section.getWlxmlTag()).to.equal('header', 'tag is changed to header');
  74             });
  75
  76             it('knows WLXML class of a WLXML tag it renders', function(){
  77                 var c = canvas.fromXML('<section class="some.class"></section>'),
  78                     section = c.doc();
  79                 expect(section.getWlxmlClass()).to.equal('some.class');
  80                 section.setWlxmlClass('some.other.class');
  81                 expect(section.getWlxmlClass()).to.equal('some.other.class');
  82             });
  83         });
  84     });
  85
  86
  87
  88     describe('document representation api', function() {
  89         describe('document root element', function() {
  90             var c = canvas.fromXML('<section></section>');
  91             it('exists', function() {
  92                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentElement);
  93             });
  94             it('is of type DocumentNodeElement', function() {
  95                 expect(c.doc()).to.be.instanceOf(documentElement.DocumentNodeElement);
  96             });
  97         });
  98
  99         describe('DocumentElements comparison', function() {
 100             it('reports dwo DocumentElements to be the same when they represent the same wlxml document element', function() {
 101                 var c = canvas.fromXML('<section><div></div><div></div></section>'),
 102                     first_div1 = c.doc().children()[0],
 103                     first_div2 = c.doc().children()[0],
 104                     second_div = c.doc().children()[1];
 105                 expect(first_div1.sameNode(first_div1)).to.be.true;
 106                 expect(first_div1.sameNode(first_div2)).to.be.true;
 107                 expect(first_div1.sameNode(second_div)).to.be.false;
 108             });
 109         });
 110
 111         describe('traversing', function() {
 112             it('reports element nodes', function() {
 113                 var c = canvas.fromXML('<section><div></div></section>'),
 114                     children = c.doc().children();
 115                 expect(children.length).to.equal(1);
 116                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 117
 118                 c = canvas.fromXML('<section><div></div><div></div></section>'),
 119                     children = c.doc().children();
 120                 expect(children.length).to.equal(2);
 121                 expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 122                 expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 123             });
 124
 125             it('reports text nodes', function() {
 126                 var c = canvas.fromXML('<section>Alice</section>'),
 127                     children = c.doc().children();
 128                 expect(children.length).to.equal(1);
 129                 expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 130             });
 131
 132             describe('accessing parents', function() {
 133                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentNodeElement parent', function() {
 134                     var c = canvas.fromXML('<section><div></div></section>'),
 135                         div = c.doc().children()[0];
 136                     expect(div.parent().sameNode(c.doc())).to.be.true;
 137                 });
 138                 it('returns DocumentNodeElement representing parent in wlxml document as DocumentTextElement parent', function() {
 139                     var c = canvas.fromXML('<section>Alice</section>'),
 140                         text = c.doc().children()[0];
 141                     expect(text.parent().sameNode(c.doc())).to.be.true;
 142                 });
 143             });
 144
 145             describe('free text handling', function() {
 146                     it('sees free text', function() {
 147                         var c = canvas.fromXML('<section>Alice <span>has</span> a cat</section>'),
 148                             children = c.doc().children();
 149                         expect(children.length).to.equal(3);
 150                         expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 151                         expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 152                         expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
 153                     });
 154             });
 155
 156             describe('white characters handling', function() {
 157                 it('says empty element node has no children', function() {
 158                     var c = canvas.fromXML('<section></section>');
 159                     expect(c.doc().children().length).to.equal(0);
 160                 });
 161                 it('says element node with one space has one DocumentTextElement', function() {
 162                     var c = canvas.fromXML('<section> </section>');
 163                     expect(c.doc().children().length).to.equal(1);
 164                     expect(c.doc().children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 165                 });
 166                 it('ignores white space surrounding block elements', function() {
 167                     var c = canvas.fromXML('<section> <div></div> </section>');
 168                     var children = c.doc().children();
 169                     expect(children.length).to.equal(1);
 170                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 171                 });
 172                 it('ignores white space between block elements', function() {
 173                     var c = canvas.fromXML('<section><div></div> <div></div></section>');
 174                     var children = c.doc().children();
 175                     expect(children.length === 2);
 176                     [0,1].forEach(function(idx) {
 177                         expect(children[idx]).to.be.instanceOf(documentElement.DocumentNodeElement);
 178                     });
 179                 });
 180
 181                 it('trims white space from the beginning and the end of the block elements', function() {
 182                     var c = canvas.fromXML('<section> Alice <span>has</span> a cat </section>');
 183                     expect(c.doc().children()[0].getText()).to.equal('Alice ');
 184                     expect(c.doc().children()[2].getText()).to.equal(' a cat');
 185                 });
 186
 187                 it('normalizes string of white characters to one space at the inline element boundries', function() {
 188                     var c = canvas.fromXML('<span>   Alice has a cat   </span>');
 189                     expect(c.doc().children()[0].getText()).to.equal(' Alice has a cat ');
 190                 });
 191
 192                 it('normalizes string of white characters to one space before inline element', function() {
 193                     var c = canvas.fromXML('<div>Alice has  <span>a cat</span></div>');
 194                     expect(c.doc().children()[0].getText()).to.equal('Alice has ');
 195                 });
 196
 197                 it('normalizes string of white characters to one space after inline element', function() {
 198                     var c = canvas.fromXML('<div>Alice has <span>a</span>  cat</div>');
 199                     expect(c.doc().children()[2].getText()).to.equal(' cat');
 200                 });
 201             });
 202         });
 203
 204         describe('manipulation api', function() {
 205
 206             describe('Basic Element inserting', function() {
 207                 it('can put new NodeElement at the end', function() {
 208                     var c = canvas.fromXML('<section></section>'),
 209                         appended = c.doc().append({tag: 'header', klass: 'some.class'}),
 210                         children = c.doc().children();
 211
 212                     expect(children.length).to.equal(1);
 213                     expect(children[0].sameNode(appended));
 214                 });
 215
 216                 it('can put new TextElement at the end', function() {
 217                     var c = canvas.fromXML('<section></section>'),
 218                         appended = c.doc().append({text: 'Alice'}),
 219                         children = c.doc().children();
 220
 221                     expect(children.length).to.equal(1);
 222                     expect(children[0].sameNode(appended));
 223                     expect(children[0].getText()).to.equal('Alice');
 224                 });
 225
 226                 it('can put new NodeElement after another NodeElement', function() {
 227                     var c = canvas.fromXML('<section><div></div></section>'),
 228                         div = c.doc().children()[0],
 229                         added = div.after({tag: 'header', klass: 'some.class'}),
 230                         children = c.doc().children();
 231                     expect(children.length).to.equal(2);
 232                     expect(children[1].sameNode(added));
 233                 });
 234
 235                 it('can put new Nodeelement before another element', function() {
 236                     var c = canvas.fromXML('<section><div></div></section>'),
 237                         div = c.doc().children()[0],
 238                         added = div.before({tag: 'header', klass: 'some.class'}),
 239                         children = c.doc().children();
 240                     expect(children.length).to.equal(2);
 241                     expect(children[0].sameNode(added));
 242                 });
 243
 244                 it('can put new DocumentNodeElement after DocumentTextElement', function() {
 245                     var c = canvas.fromXML('<section>Alice</section>'),
 246                         text = c.doc().children()[0],
 247                         added = text.after({tag: 'p'}),
 248                         children = c.doc().children();
 249
 250                     expect(children.length).to.equal(2);
 251                     expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 252                     expect(children[0].getText()).to.equal('Alice');
 253                     expect(children[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 254                     expect(children[1].sameNode(added)).to.be.true;
 255                 });
 256                 it('can put new DocumentNodeElement before DocumentTextElement', function() {
 257                     var c = canvas.fromXML('<section>Alice</section>'),
 258                         text = c.doc().children()[0],
 259                         added = text.before({tag: 'p'}),
 260                         children = c.doc().children();
 261
 262                     expect(children.length).to.equal(2);
 263                     expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
 264                     expect(children[0].sameNode(added)).to.be.true;
 265                     expect(children[1]).to.be.instanceOf(documentElement.DocumentTextElement);
 266                     expect(children[1].getText()).to.equal('Alice');
 267                 });
 268             });
 269
 270             describe('Splitting text', function() {
 271
 272                 it('splits DocumentTextElement\'s parent into two DocumentNodeElements of the same type', function() {
 273                     var c = canvas.fromXML('<section><header>Some header</header></section>'),
 274                         section = c.doc(),
 275                         text = section.children()[0].children()[0];
 276
 277                     text.split({offset: 5});
 278                     expect(section.children().length).to.equal(2, 'section has two children');
 279
 280                     var header1 = section.children()[0];
 281                     var header2 = section.children()[1];
 282
 283                     expect(header1.wlxmlTag).to.equal('header', 'first section child represents wlxml header');
 284                     expect(header1.children().length).to.equal(1, 'first header has one text child');
 285                     expect(header1.children()[0].getText()).to.equal('Some ', 'first header has correct content');
 286                     expect(header2.wlxmlTag).to.equal('header', 'second section child represents wlxml header');
 287                     expect(header2.children().length).to.equal(1, 'second header has one text child');
 288                     expect(header2.children()[0].getText()).to.equal('header', 'second header has correct content');
 289                 });
 290
 291                 it('keeps DocumentTextElement\'s parent\'s children elements intact', function() {
 292                     var c = canvas.fromXML('\
 293                             <section>\
 294                                 <header>\
 295                                     A <span>fancy</span> and <span>nice</span> header\
 296                                 </header>\
 297                             </section>'),
 298                         section = c.doc(),
 299                         header = section.children()[0],
 300                         textAnd = header.children()[2];
 301
 302                     textAnd.split({offset: 2});
 303
 304                     var sectionChildren = section.children();
 305                     expect(sectionChildren.length).to.equal(2, 'Section has two children');
 306                     expect(sectionChildren[0].wlxmlTag).to.equal('header', 'First section element is a wlxml header');
 307                     expect(sectionChildren[1].wlxmlTag).to.equal('header', 'Second section element is a wlxml header');
 308
 309                     var firstHeaderChildren = sectionChildren[0].children();
 310                     expect(firstHeaderChildren.length).to.equal(3, 'First header has three children');
 311                     expect(firstHeaderChildren[0].getText()).to.equal('A ', 'First header starts with a text');
 312                     expect(firstHeaderChildren[1].wlxmlTag).to.equal('span', 'First header has span in the middle');
 313                     expect(firstHeaderChildren[2].getText()).to.equal(' a', 'First header ends with text');
 314
 315                     var secondHeaderChildren = sectionChildren[1].children();
 316                     expect(secondHeaderChildren.length).to.equal(3, 'Second header has three children');
 317                     expect(secondHeaderChildren[0].getText()).to.equal('nd ', 'Second header starts with text');
 318                     expect(secondHeaderChildren[1].wlxmlTag).to.equal('span', 'Second header has span in the middle');
 319                     expect(secondHeaderChildren[2].getText()).to.equal(' header', 'Second header ends with text');
 320                 });
 321             });
 322
 323             describe('wrapping', function() {
 324                 it('wraps DocumentNodeElement', function() {
 325                     var c = canvas.fromXML('<section><div></div></section>'),
 326                         div = c.doc().children()[0];
 327
 328                     var returned = div.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
 329                         parent = div.parent(),
 330                         parent2 = c.doc().children()[0];
 331
 332                     expect(returned.sameNode(parent)).to.be.true;
 333                     expect(returned.sameNode(parent2)).to.be.true;
 334                 });
 335                 it('wraps DocumentTextElement', function() {
 336                     var c = canvas.fromXML('<section>Alice</section>'),
 337                         text = c.doc().children()[0];
 338
 339                     var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class'}),
 340                         parent = text.parent(),
 341                         parent2 = c.doc().children()[0];
 342
 343                     expect(returned.sameNode(parent)).to.be.true;
 344                     expect(returned.sameNode(parent2)).to.be.true;
 345                 });
 346
 347                 it('wraps part of DocumentTextElement', function() {
 348                     var c = canvas.fromXML('<section>Alice has a cat</section>'),
 349                         text = c.doc().children()[0];
 350
 351                     var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: 5, end: 12}),
 352                         children = c.doc().children();
 353
 354                     expect(children.length).to.equal(3);
 355
 356                     expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 357                     expect(children[0].getText()).to.equal('Alice');
 358
 359                     expect(children[1].sameNode(returned)).to.be.true;
 360                     expect(children[1].children().length).to.equal(1);
 361                     expect(children[1].children()[0].getText()).to.equal(' has a ');
 362
 363                     expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
 364                     expect(children[2].getText()).to.equal('cat');
 365                 });
 366
 367                 it('wraps text spanning multiple sibling DocumentTextNodes', function() {
 368                     var c = canvas.fromXML('<section>Alice has a <span>small</span> cat</section>'),
 369                         section = c.doc(),
 370                         wrapper = c.wrapText({
 371                             inside: section,
 372                             _with: {tag: 'span', klass: 'some.class'},
 373                             offsetStart: 6,
 374                             offsetEnd: 4,
 375                             textNodeIdx: [0,2]
 376                         });
 377
 378                     expect(section.children().length).to.equal(2);
 379                     expect(section.children()[0]).to.be.instanceOf(documentElement.DocumentTextElement);
 380                     expect(section.children()[0].getText()).to.equal('Alice ');
 381
 382                     var wrapper2 = section.children()[1];
 383                     expect(wrapper2.sameNode(wrapper)).to.be.true;
 384
 385                     var wrapperChildren = wrapper.children();
 386                     expect(wrapperChildren.length).to.equal(3);
 387                     expect(wrapperChildren[0].getText()).to.equal('has a ');
 388
 389                     expect(wrapperChildren[1]).to.be.instanceOf(documentElement.DocumentNodeElement);
 390                     expect(wrapperChildren[1].children().length).to.equal(1);
 391                     expect(wrapperChildren[1].children()[0].getText()).to.equal('small');
 392
 393                     expect(wrapperChildren[2].getText()).to.equal(' cat');
 394                 });
 395             });
 396         });
 397
 398         describe('Lists api', function() {
 399             it('allows creation of a list from existing sibling DocumentElements', function() {
 400                 var c = canvas.fromXML('\
 401                     <section>\
 402                         Alice\
 403                         <div>has</div>\
 404                         a\
 405                         <div>cat</div>\
 406                     </section>'),
 407                     section = c.doc(),
 408                     textAlice = section.children()[0],
 409                     divCat = section.children()[3]
 410
 411                 c.list.create({element1: textAlice, element2: divCat});
 412
 413                 expect(section.children().length).to.equal(1, 'section has one child element');
 414
 415                 var list = section.children()[0];
 416                 expect(list.is('list')).to.equal(true, 'section\'s only child is a list');
 417                 expect(list.children().length).to.equal(4, 'list contains four elements');
 418             });
 419         });
 420
 421     });
 422 });
 423
 424
 425 });