src/editor/plugins/core/core.test.js

   1 define(function(require) {
   2
   3 'use strict';
   4 /* globals describe, it */
   5
   6 var chai = require('libs/chai'),
   7     wlxml = require('wlxml/wlxml'),
   8     corePlugin = require('./core.js'),
   9     expect = chai.expect;
  10
  11 var getDocumentFromXML = function(xml, options) {
  12     var doc = wlxml.WLXMLDocumentFromXML(xml, options || {});
  13     doc.registerExtension(corePlugin.documentExtension);
  14     return doc;
  15 };
  16
  17 var getTextNodes = function(text, doc) {
  18     /* globals Node */
  19     var toret = [];
  20     var search = function(node) {
  21         node.contents().forEach(function(node) {
  22             if(node.nodeType === Node.TEXT_NODE) {
  23                 if(node.getText() === text) {
  24                     toret.push(node);
  25                 }
  26             } else {
  27                 search(node);
  28             }
  29         });
  30     };
  31     search(doc.root);
  32     return toret;
  33 };
  34
  35 var getTextNode = function(text, doc) {
  36     var nodes = getTextNodes(text, doc),
  37         error;
  38     if(nodes.length === 0) {
  39         error = 'Text not found';
  40     } else if(nodes.length > 1) {
  41         error = 'Text not unique';
  42     } else if(nodes[0].getText() !== text) {
  43         error = 'I was trying to cheat your test :(';
  44     }
  45     if(error) {
  46         throw new Error(error);
  47     }
  48     return nodes[0];
  49 };
  50
  51
  52 describe('Document extensions', function() {
  53     describe('break content', function() {
  54         it('break text into two nodes', function() {
  55             var doc = getDocumentFromXML('<section><div>Alice</div></section>'),
  56                 textNode = doc.root.contents()[0].contents()[0];
  57
  58             var result = textNode.breakContent({offset:3});
  59
  60             var section = doc.root;
  61             expect(section.contents().length).to.equal(2);
  62             expect(section.contents()[0].contents()[0].getText()).to.equal('Ali');
  63             expect(section.contents()[1].contents()[0].getText()).to.equal('ce');
  64
  65             expect(result.first.sameNode(section.contents()[0])).to.equal(true);
  66             expect(result.second.sameNode(section.contents()[1])).to.equal(true);
  67             expect(result.emptyText).to.equal(undefined, 'no new text node created');
  68         });
  69         it('puts empty text node when breaking at the very beginning', function() {
  70             var doc = getDocumentFromXML('<section><div>Alice</div></section>'),
  71                 textNode = doc.root.contents()[0].contents()[0];
  72
  73             var result = textNode.breakContent({offset:0}),
  74                 firstNode = doc.root.contents()[0];
  75
  76             expect(result.emptyText.sameNode(firstNode.contents()[0]));
  77             expect(result.emptyText.getText()).to.equal('');
  78         });
  79         it('puts empty text node when breaking at the very end', function() {
  80             var doc = getDocumentFromXML('<section><div>Alice</div></section>'),
  81             textNode = doc.root.contents()[0].contents()[0];
  82
  83             var result = textNode.breakContent({offset:5}),
  84                 secondNode = doc.root.contents()[1];
  85
  86             expect(result.emptyText.sameNode(secondNode.contents()[0]));
  87             expect(result.emptyText.getText()).to.equal('');
  88         });
  89     });
  90
  91     describe('merging with adjacent content', function() {
  92
  93             describe('when text preceded by element', function() {
  94                 describe('when text followed by element', function() {
  95                     it('appends text to the preceding element, following elements stays in place', function() {
  96                         var doc = getDocumentFromXML('<section><a>A</a>text<b>B</b></section>'),
  97                             text = getTextNode('text', doc);
  98
  99                         text.mergeContentUp();
 100                         var contents = doc.root.contents();
 101
 102                         expect(contents.length).to.equal(2);
 103                         expect(contents[0].getTagName()).to.equal('a');
 104                         expect(contents[0].contents()[0].getText()).to.equal('Atext');
 105                         expect(contents[1].getTagName()).to.equal('b');
 106                     });
 107                 });
 108                 describe('when text is a last child', function() {
 109                     it('appends text to the preceding element', function() {
 110                         var doc = getDocumentFromXML('<section><a>A</a>text</section>'),
 111                             text = getTextNode('text', doc);
 112
 113                         text.mergeContentUp();
 114                         var contents = doc.root.contents();
 115
 116                         expect(contents.length).to.equal(1);
 117                         expect(contents[0].getTagName()).to.equal('a');
 118                         expect(contents[0].contents()[0].getText()).to.equal('Atext');
 119                     });
 120                 });
 121             });
 122
 123             describe('when text is a first child', function() {
 124                 describe('when text followed by element', function() {
 125                     it('appends text and its siblings to the parent preceding element', function() {
 126                         var doc = getDocumentFromXML('<section><b>B</b><div>text<a>A</a></div></section>'),
 127                             text = getTextNode('text', doc);
 128
 129                         text.mergeContentUp();
 130                         var contents = doc.root.contents();
 131
 132                         expect(contents.length).to.equal(3);
 133                         expect(contents[0].getTagName()).to.equal('b');
 134                         expect(contents[1].getText()).to.equal('text');
 135                         expect(contents[2].getTagName()).to.equal('a');
 136                     });
 137                     it('appends text and its siblings after the parent preceding text', function() {
 138                         var doc = getDocumentFromXML('<section>B<div>text<a>A</a></div></section>'),
 139                             text = getTextNode('text', doc);
 140
 141                         text.mergeContentUp();
 142                         var contents = doc.root.contents();
 143
 144                         expect(contents.length).to.equal(2);
 145                         expect(contents[0].getText()).to.equal('Btext');
 146                         expect(contents[1].getTagName()).to.equal('a');
 147                     });
 148                 });
 149             });
 150     });
 151 });
 152
 153
 154 });