# all files / test/base/core/ range.spec.js

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     /**
     * range.spec.js
     * (c) 2013~ Alan Hong
     * summernote may be freely distributed under the MIT license./
     */

    import chai from 'chai';
    import chaidom from '../../chaidom';
    import $ from 'jquery';
    import dom from '../../../src/js/base/core/dom';
    import range from '../../../src/js/base/core/range';

    var expect = chai.expect;
    chai.use(chaidom);

    describe('base:core.range', () => {
      describe('nodes', () => {
        describe('1 depth', () => {
          var $para;
          before(() => {
            var $cont = $('<div class="note-editable"><p>para1</p><p>para2</p></div>');
            $para = $cont.find('p');
          });

          it('should return array of two paragraphs', () => {
            var rng = range.create($para[0].firstChild, 0, $para[1].firstChild, 1);
            expect(rng.nodes(dom.isPara, { includeAncestor: true })).to.have.length(2);
          });

          it('should return array of a paragraph', () => {
            var rng = range.create($para[0].firstChild, 0, $para[0].firstChild, 0);
            expect(rng.nodes(dom.isPara, { includeAncestor: true })).to.have.length(1);
          });
        });

        describe('multi depth', () => {
          it('should return array of a paragraph', () => {
            var $cont = $('<div class="note-editable"><p>p<b>ar</b>a1</p><p>para2</p></div>');
            var $b = $cont.find('b');
            var rng = range.create($b[0].firstChild, 0, $b[0].firstChild, 0);

            expect(rng.nodes(dom.isPara, { includeAncestor: true })).to.have.length(1);
          });
        });

        describe('on list, on heading', () => {
          it('should return array of list paragraphs', () => {
            var $cont = $('<div class="note-editable"><ul><li>para1</li><li>para2</li></ul></div>');
            var $li = $cont.find('li');
            var rng = range.create($li[0].firstChild, 0, $li[1].firstChild, 1);

            expect(rng.nodes(dom.isPara, { includeAncestor: true })).to.have.length(2);
          });

          it('should return array of list paragraphs', () => {
            var $cont = $('<div class="note-editable"><h1>heading1</h1><h2>heading2</h2></div>');
            var $h1 = $cont.find('h1');
            var $h2 = $cont.find('h2');
            var rng = range.create($h1[0].firstChild, 0, $h2[0].firstChild, 1);

            expect(rng.nodes(dom.isPara, { includeAncestor: true })).to.have.length(2);
          });
        });
      });

      describe('commonAncestor', () => {
        var $cont;
        before(() => {
          $cont = $('<div><span><b>b</b><u>u</u></span></div>');
        });

        it('should return <span> for <b>|b</b> and <u>u|</u>', () => {
          var $span = $cont.find('span');
          var $b = $cont.find('b');
          var $u = $cont.find('u');

          var rng = range.create($b[0].firstChild, 0, $u[0].firstChild, 1);
          expect(rng.commonAncestor()).to.deep.equal($span[0]);
        });

        it('should return b(#textNode) for <b>|b|</b>', () => {
          var $b = $cont.find('b');

          var rng = range.create($b[0].firstChild, 0, $b[0].firstChild, 1);
          expect(rng.commonAncestor()).to.deep.equal($b[0].firstChild);
        });
      });

      describe('expand', () => {
        it('should return <b>|b</b> ~ <u>u|</u> for <b>|b</b> with isAnchor', () => {
          var $cont = $('<div><a><b>b</b><u>u</u></a></div>');
          var $anchor = $cont.find('a');
          var $b = $cont.find('b');

          var rng = range.create($b[0].firstChild, 0, $b[0].firstChild, 0).expand(dom.isAnchor);
          expect(rng.sc).to.deep.equal($anchor[0]);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($anchor[0]);
          expect(rng.eo).to.equal(2);
        });
      });

      describe('collapse', () => {
        it('should return <u>u|</u> for <b>|b</b> ~ <u>u|</u>', () => {
          var $cont = $('<div><b>b</b><u>u</u></div>');
          var $b = $cont.find('b');
          var $u = $cont.find('u');

          var rng = range.create($b[0].firstChild, 0, $u[0].firstChild, 1).collapse();
          expect(rng.sc).to.deep.equal($u[0].firstChild);
          expect(rng.so).to.equal(1);
          expect(rng.ec).to.deep.equal($u[0].firstChild);
          expect(rng.eo).to.equal(1);
        });
      });

      describe('normalize', () => {
        var $cont;
        before(() => {
          $cont = $('<div><p><b>b</b><u>u</u><s>s</s></p></div>');
        });

        it('should return <b>|b</b> ~ <u>u|</u> for |<b>b</b> ~ <u>u</u>|', () => {
          var $p = $cont.find('p');
          var $b = $cont.find('b');
          var $u = $cont.find('u');

          var rng = range.create($p[0], 0, $p[0], 2).normalize();
          expect(rng.sc).to.deep.equal($b[0].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($u[0].firstChild);
          expect(rng.eo).to.equal(1);
        });

        it('should return <b>b|</b><u>u</u> for <b>b</b>|<u>u</u>', () => {
          var $p = $cont.find('p');
          var $b = $cont.find('b');

          var rng = range.create($p[0], 1, $p[0], 1).normalize();
          expect(rng.sc).to.deep.equal($b[0].firstChild);
          expect(rng.so).to.equal(1);
          expect(rng.ec).to.deep.equal($b[0].firstChild);
          expect(rng.eo).to.equal(1);
        });

        it('should return <b>b</b><u>|u|</u><s>s</s> for <b>b|</b><u>u</u><s>|s</s>', () => {
          var $b = $cont.find('b');
          var $u = $cont.find('u');
          var $s = $cont.find('s');

          var rng = range.create($b[0].firstChild, 1, $s[0].firstChild, 0).normalize();
          expect(rng.sc).to.deep.equal($u[0].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($u[0].firstChild);
          expect(rng.eo).to.equal(1);
        });

        it('should return <b>b|</b><u>u</u><s>s</s> for <b>b|</b><u>u</u><s>s</s>', () => {
          var $b = $cont.find('b');

          var rng = range.create($b[0].firstChild, 1, $b[0].firstChild, 1).normalize();
          expect(rng.sc).to.deep.equal($b[0].firstChild);
          expect(rng.so).to.equal(1);
          expect(rng.ec).to.deep.equal($b[0].firstChild);
          expect(rng.eo).to.equal(1);
        });
      });

      describe('normalize (block mode)', () => {
        it('should return <p>text</p><p>|<br></p> for <p>text</p><p>|<br></p>', () => {
          var $cont = $('<div><p>text</p><p><br></p></div>');
          var $p = $cont.find('p');

          var rng = range.create($p[1], 0, $p[1], 0).normalize();
          expect(rng.sc).to.deep.equal($p[1]);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($p[1]);
          expect(rng.eo).to.equal(0);
        });

        it('should return <p>text</p><p>|text</p> for <p>text</p><p>|text</p>', () => {
          var $cont = $('<div><p>text</p><p>text</p></div>');
          var $p = $cont.find('p');

          var rng = range.create($p[1], 0, $p[1], 0).normalize();
          expect(rng.sc).to.deep.equal($p[1].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($p[1].firstChild);
          expect(rng.eo).to.equal(0);
        });

        it('should return <p>|text</p><p>text|</p> for |<p>text</p><p>text</p>|', () => {
          var $cont = $('<div class="note-editable"><p>text</p><p>text</p></div>');
          var $p = $cont.find('p');

          var rng = range.create($cont[0], 0, $cont[0], 2).normalize();
          expect(rng.sc).to.deep.equal($p[0].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($p[1].firstChild);
          expect(rng.eo).to.equal(4);
        });
      });

      describe('normalize (void element)', () => {
        it('should return <p><img>|<b>bold</b></p> for <p><img>|<b>bold</b></p>', () => {
          var $cont = $('<div><p><img><b>bold</b></p></div>');
          var $p = $cont.find('p');
          var $b = $cont.find('b');

          var rng = range.create($p[0], 1, $p[0], 1).normalize();
          expect(rng.sc).to.deep.equal($b[0].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($b[0].firstChild);
          expect(rng.eo).to.equal(0);
        });

        it('should return <p><img>|text></p> for <p><img>|text></p>', () => {
          var $cont = $('<div><p><img>bold</p></div>');
          var $img = $cont.find('img');
          var text = $img[0].nextSibling;

          var rng = range.create(text, 0, text, 0).normalize();
          expect(rng.sc).to.equal(text);
          expect(rng.so).to.equal(0);
          expect(rng.isCollapsed()).to.true;
        });
      });

      describe('insertNode', () => {
        it('should split paragraph when inserting a block element', () => {
          var $cont = $('<div class="note-editable"><p><b>bold</b></p></div>');
          var $b = $cont.find('b');
          var $p2 = $('<p>p</p>');

          var rng = range.create($b[0].firstChild, 2, $b[0].firstChild, 2);
          rng.insertNode($p2[0]);

          expect($cont.html()).to.equalsIgnoreCase('<p><b>bo</b></p><p>p</p><p><b>ld</b></p>');
        });

        it('should not split paragraph when inserting an inline element', () => {
          var $cont = $('<div class="note-editable"><p>text</p></div>');
          var $p = $cont.find('p');
          var $u = $('<u>u</u>');

          var rng = range.create($p[0].firstChild, 2, $p[0].firstChild, 2);
          rng.insertNode($u[0]);
          expect($cont.html()).to.equalsIgnoreCase('<p>te<u>u</u>xt</p>');
        });

        it('should not split paragraph when inserting an inline element case 2', () => {
          var $cont = $('<div class="note-editable"><p><b>bold</b></p></div>');
          var $b = $cont.find('b');
          var $u = $('<u>u</u>');

          var rng = range.create($b[0].firstChild, 2, $b[0].firstChild, 2);
          rng.insertNode($u[0]);
          expect($cont.html()).to.equalsIgnoreCase('<p><b>bo</b><u>u</u><b>ld</b></p>');
        });
      });

      describe('pasteHTML', () => {
        it('should not split a block element when inserting inline elements into it', () => {
          var $cont = $('<div class="note-editable"><p>text</p></div>');
          var $p = $cont.find('p');
          var markup = '<span>span</span><i>italic</i>';

          var rng = range.create($p[0].firstChild, 2);
          rng.pasteHTML(markup);

          expect($cont.html()).to.equalsIgnoreCase('<p>te<span>span</span><i>italic</i>xt</p>');
        });

        it('should split an inline element when pasting inline elements into it', () => {
          var $cont = $('<div class="note-editable"><p><b>bold</b></p></div>');
          var $b = $cont.find('b');
          var markup = '<span>span</span><i>italic</i>';

          var rng = range.create($b[0].firstChild, 2);
          rng.pasteHTML(markup);

          expect($cont.html()).to.equalsIgnoreCase('<p><b>bo</b><span>span</span><i>italic</i><b>ld</b></p>');
        });

        it('should split inline node when pasting an inline node and a block node into it', () => {
          var $cont = $('<div class="note-editable"><p><b>bold</b></p></div>');
          var $b = $cont.find('b');
          var markup = '<span>span</span><p><i>italic</i></p>';

          var rng = range.create($b[0].firstChild, 2);
          rng.pasteHTML(markup);

          expect($cont.html()).to.equalsIgnoreCase('<p><b>bo</b><span>span</span></p><p><i>italic</i></p><p><b>ld</b></p>');
        });
      });

      describe('deleteContents', () => {
        var $cont, $b;
        beforeEach(() => {
          $cont = $('<div class="note-editable"><p><b>bold</b><u>u</u></p></div>');
          $b = $cont.find('b');
        });

        it('should remove text only for partial text', () => {
          var rng = range.create($b[0].firstChild, 1, $b[0].firstChild, 3);
          rng.deleteContents();

          expect($cont.html()).to.equalsIgnoreCase('<p><b>bd</b><u>u</u></p>');
        });

        it('should remove text for entire text', () => {
          var rng = range.create($b[0].firstChild, 0, $b[0].firstChild, 4);
          rng.deleteContents();

          expect($cont.html()).to.equalsIgnoreCase('<p><b></b><u>u</u></p>');
        });
      });

      describe('wrapBodyInlineWithPara', () => {
        it('should insert an empty paragraph when there is no contents', () => {
          var $cont = $('<div class="note-editable"></div>');

          var rng = range.create($cont[0], 0);
          rng.wrapBodyInlineWithPara();

          expect($cont.html()).to.equalsIgnoreCase('<p><br></p>');
        });

        it('should wrap text with paragraph for text', () => {
          var $cont = $('<div class="note-editable">text</div>');

          var rng = range.create($cont[0].firstChild, 2);
          rng.wrapBodyInlineWithPara();

          expect($cont.html()).to.equalsIgnoreCase('<p>text</p>');
        });

        it('should wrap an inline node with paragraph when selecting text in the inline node', () => {
          var $cont = $('<div class="note-editable"><b>bold</b></div>');
          var $b = $cont.find('b');

          var rng = range.create($b[0].firstChild, 2);
          rng.wrapBodyInlineWithPara();

          expect($cont.html()).to.equalsIgnoreCase('<p><b>bold</b></p>');
        });

        it('should wrap inline nodes with paragraph when selecting text in the inline nodes', () => {
          var $cont = $('<div class="note-editable"><b>b</b><i>i</i></div>');

          var rng = range.create($cont[0], 0);
          rng.wrapBodyInlineWithPara();

          expect($cont.html()).to.equalsIgnoreCase('<p><b>b</b><i>i</i></p>');
        });

        it('should wrap inline nodes with paragraph when selection some of text in the inline nodes #1', () => {
          var $cont = $('<div class="note-editable"><b>b</b><i>i</i></div>');

          var rng = range.create($cont[0], 1);
          rng.wrapBodyInlineWithPara();

          expect($cont.html()).to.equalsIgnoreCase('<p><b>b</b><i>i</i></p>');
        });

        it('should wrap inline nodes with paragraph when selection some of text in the inline nodes #2', () => {
          var $cont = $('<div class="note-editable"><b>b</b><i>i</i></div>');

          var rng = range.create($cont[0], 2);
          rng.wrapBodyInlineWithPara();

          expect($cont.html()).to.equalsIgnoreCase('<p><b>b</b><i>i</i></p>');
        });
      });

      describe('getWordRange', () => {
        var $cont;
        before(() => {
          $cont = $('<div class="note-editable">super simple wysiwyg editor</div>');
        });

        it('should return the range itself when there is no word before cursor', () => {
          var rng = range.create($cont[0].firstChild, 0).getWordRange();

          expect(rng.sc).to.deep.equal($cont[0].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($cont[0].firstChild);
          expect(rng.eo).to.equal(0);
        });

        it('should return expanded range when there is a word before cursor', () => {
          var rng = range.create($cont[0].firstChild, 5).getWordRange();

          expect(rng.sc).to.deep.equal($cont[0].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($cont[0].firstChild);
          expect(rng.eo).to.equal(5);
        });

        it('should return expanded range when there is a half word before cursor', () => {
          var rng = range.create($cont[0].firstChild, 3).getWordRange();

          expect(rng.sc).to.deep.equal($cont[0].firstChild);
          expect(rng.so).to.equal(0);
          expect(rng.ec).to.deep.equal($cont[0].firstChild);
          expect(rng.eo).to.equal(3);
        });

        it('should return expanded range when there are words before cursor', () => {
          var rng = range.create($cont[0].firstChild, 12).getWordRange();

          expect(rng.sc).to.deep.equal($cont[0].firstChild);
          expect(rng.so).to.equal(6);
          expect(rng.ec).to.deep.equal($cont[0].firstChild);
          expect(rng.eo).to.equal(12);
        });
      });
    });