Code coverage report for test/unit/base/core/dom.spec.js

# all files / test/unit/base/core/ dom.spec.js

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100% Lines 203/203

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     /**
     * dom.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 func from '../../../../src/js/base/core/func';

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

    describe('base:core.dom', () => {
      describe('ancestor', () => {
        let $cont, $b, txtB;
        before(() => {
          // basic case
          $cont = $('<div class="note-editable"><b>b</b><u>u</u><s>s</s><i>i</i></div>'); // busi
          $b = $cont.find('b');
          txtB = $b[0].firstChild;
        });

        it('should find ancestor B', () => {
          expect(dom.ancestor(txtB, dom.isB)).to.deep.equal($b[0]);
        });

        it('should find ancestor DIV', () => {
          expect(dom.ancestor(txtB, dom.isDiv)).to.deep.equal($cont[0]);
        });

        it('should return null when finding ancestor U does not exist', () => {
          expect(dom.ancestor(txtB, dom.isU)).to.be.null;
        });

        it('should return null when finding paragraph ancestor outsider note-editable', () => {
          expect(dom.ancestor(txtB, dom.isLi)).to.be.null;
        });
      });

      describe('listAncestor', () => {
        let $cont, $b, $u, $s, $i;
        before(() => {
          $cont = $('<div class="note-editable"><i><s><u><b>b</b></u></s></i></div>'); // busi
          $b = $cont.find('b');
          $u = $cont.find('u');
          $s = $cont.find('s');
          $i = $cont.find('i');
        });

        it('should return [$b, $u, $s, $i] from b to i', () => {
          let result = dom.listAncestor($b[0], (node) => { return node === $i[0]; });
          expect(result).to.deep.equal([$b[0], $u[0], $s[0], $i[0]]);
        });

        it('should return [$u, $s] from u to s', () => {
          let result = dom.listAncestor($u[0], (node) => { return node === $s[0]; });
          expect(result).to.deep.equal([$u[0], $s[0]]);
        });
      });

      describe('listDescendant', () => {
        let $cont, $b, $u, $s, $i;
        before(() => {
          $cont = $('<div class="note-editable"><b></b><u></u><s></s><i></i></div>'); // busi
          $b = $cont.find('b');
          $u = $cont.find('u');
          $s = $cont.find('s');
          $i = $cont.find('i');
        });

        it('should return an array of descendant elements', () => {
          expect(dom.listDescendant($cont[0])).to.deep.equal([$b[0], $u[0], $s[0], $i[0]]);
        });

        it('should filter an array of descendant elements', () => {
          let result = dom.listDescendant($cont[0], (node) => {
            return node.nodeName === 'B' || node.nodeName === 'S';
          });
          expect(result).to.deep.equal([$b[0], $s[0]]);
        });
      });

      describe('commonAncestor', () => {
        let $cont, $span, $div, $b, $u, $s;
        before(() => {
          $cont = $('<div class="note-editable"><div><span><b>b</b><u>u</u></span><span><s>s</s><i>i</i></span></div></div>');
          $span = $cont.find('span');
          $div = $cont.find('div');
          $b = $cont.find('b');
          $u = $cont.find('u');
          $s = $cont.find('s');
        });

        it('should return a common element in ancestors', () => {
          expect(dom.commonAncestor($b[0], $u[0])).to.deep.equal($span[0]);
        });

        it('should return a common element in ancestors even if they have same nodeName', () => {
          expect(dom.commonAncestor($b[0], $s[0])).to.deep.equal($div[0]);
        });
      });

      describe('listNext', () => {
        let $cont, $u, $s, $i;
        before(() => {
          $cont = $('<div class="note-editable"><b>b</b><u>u</u><s>s</s><i>i</i></div>'); // busi
          $u = $cont.find('u');
          $s = $cont.find('s');
          $i = $cont.find('i');
        });

        it('should return an array of next sibling elements including itself', () => {
          expect(dom.listNext($u[0])).to.deep.equal([$u[0], $s[0], $i[0]]);
        });

        it('should return itself if there are no next sibling', () => {
          expect(dom.listNext($i[0])).to.deep.equal([$i[0]]);
        });

        it('should return an array of next sibling elements before predicate is true', () => {
          expect(dom.listNext($s[0], func.eq($i[0]))).to.deep.equal([$s[0]]);
        });
      });

      describe('listPrev', () => {
        let $cont, $b, $u, $s, $i;
        before(() => {
          $cont = $('<div class="note-editable"><b>b</b><u>u</u><s>s</s><i>i</i></div>'); // busi
          $b = $cont.find('b');
          $u = $cont.find('u');
          $s = $cont.find('s');
          $i = $cont.find('i');
        });

        it('should return an array of previous sibling elements including itself', () => {
          expect(dom.listPrev($s[0])).to.deep.equal([$s[0], $u[0], $b[0]]);
        });

        it('should return itself if there are no previous sibling', () => {
          expect(dom.listPrev($b[0])).to.deep.equal([$b[0]]);
        });

        it('should return an array of previous sibling elements before predicate is true', () => {
          expect(dom.listPrev($i[0], func.eq($s[0]))).to.deep.equal([$i[0]]);
        });
      });

      describe('position', () => {
        let $cont, $b, $u, $s, $i;
        before(() => {
          $cont = $('<div class="note-editable"><b>b</b><u>u</u><s>s</s><i>i</i></div>'); // busi
          $b = $cont.find('b');
          $u = $cont.find('u');
          $s = $cont.find('s');
          $i = $cont.find('i');
        });

        it('should return the position of element', () => {
          expect(dom.position($b[0])).to.be.equal(0);
          expect(dom.position($u[0])).to.be.equal(1);
          expect(dom.position($s[0])).to.be.equal(2);
          expect(dom.position($i[0])).to.be.equal(3);
        });

        it('should return position 0 for text node in b', () => {
          expect(dom.position($b[0].firstChild)).to.be.equal(0);
        });
      });

      describe('makeOffsetPath', () => {
        let $cont, $b, $u, $s, $i;
        before(() => {
          $cont = $('<div class="note-editable"><b>b</b><u>u</u><s>s</s><i>i</i></div>'); // busi
          $b = $cont.find('b');
          $u = $cont.find('u');
          $s = $cont.find('s');
          $i = $cont.find('i');
        });

        it('should return empty array if two elements are same', () => {
          expect(dom.makeOffsetPath($cont[0], $cont[0])).to.deep.equal([]);
        });

        it('should return offset path array between two elements #1', () => {
          expect(dom.makeOffsetPath($cont[0], $b[0])).to.deep.equal([0]);
          expect(dom.makeOffsetPath($cont[0], $b[0].firstChild)).to.deep.equal([0, 0]);
        });

        it('should return offset path array between two elements #2', () => {
          expect(dom.makeOffsetPath($cont[0], $u[0])).to.deep.equal([1]);
          expect(dom.makeOffsetPath($cont[0], $u[0].firstChild)).to.deep.equal([1, 0]);
        });

        it('should return offset path array between two elements #3', () => {
          expect(dom.makeOffsetPath($cont[0], $s[0])).to.deep.equal([2]);
          expect(dom.makeOffsetPath($cont[0], $s[0].firstChild)).to.deep.equal([2, 0]);
        });

        it('should return offset path array between two elements #2', () => {
          expect(dom.makeOffsetPath($cont[0], $i[0])).to.deep.equal([3]);
          expect(dom.makeOffsetPath($cont[0], $i[0].firstChild)).to.deep.equal([3, 0]);
        });
      });

      describe('fromOffsetPath', () => {
        let $cont, $b, $u, $s, $i;
        before(() => {
          $cont = $('<div class="note-editable"><b>b</b><u>u</u><s>s</s><i>i</i></div>'); // busi
          $b = $cont.find('b');
          $u = $cont.find('u');
          $s = $cont.find('s');
          $i = $cont.find('i');
        });

        it('should return the element by offsetPath', () => {
          let cont = $cont[0];
          $.each([$b[0], $u[0], $s[0], $i[0]], (idx, node) => {
            expect(dom.fromOffsetPath(cont, dom.makeOffsetPath(cont, node))).to.deep.equal(node);
            let child = node.firstChild;
            expect(dom.fromOffsetPath(cont, dom.makeOffsetPath(cont, child))).to.deep.equal(child);
          });
        });
      });

      describe('splitTree', () => {
        let $para;
        beforeEach(() => {
          let $busi = $('<div class="note-editable"><p><b>b</b><u>u</u><s>strike</s><i>i</i></p></div>'); // busi
          $para = $busi.clone().find('p');
        });

        describe('element pivot case', () => {
          it('should be split by u tag with offset 0', () => {
            let $u = $para.find('u');
            dom.splitTree($para[0], { node: $u[0], offset: 0 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u><br></u>');
            expect($para.next().html()).to.equalsIgnoreCase('<u>u</u><s>strike</s><i>i</i>');
          });

          it('should be split by u tag with offset 1', () => {
            let $u = $para.find('u');
            dom.splitTree($para[0], { node: $u[0], offset: 1 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u>u</u>');
            expect($para.next().html()).to.equalsIgnoreCase('<u><br></u><s>strike</s><i>i</i>');
          });

          it('should be split by b tag with offset 0 (left edge case)', () => {
            let $b = $para.find('b');
            dom.splitTree($para[0], { node: $b[0], offset: 0 });

            expect($para.html()).to.equalsIgnoreCase('<b><br></b>');
            expect($para.next().html()).to.equalsIgnoreCase('<b>b</b><u>u</u><s>strike</s><i>i</i>');
          });

          it('should be split by i tag with offset 1 (right edge case)', () => {
            let $i = $para.find('i');
            dom.splitTree($para[0], { node: $i[0], offset: 1 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u>u</u><s>strike</s><i>i</i>');
            expect($para.next().html()).to.equalsIgnoreCase('<i><br></i>');
          });
        });

        describe('textNode case', () => {
          it('should be split by s tag with offset 3 (middle case)', () => {
            let $s = $para.find('s');
            dom.splitTree($para[0], { node: $s[0].firstChild, offset: 3 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u>u</u><s>str</s>');
            expect($para.next().html()).to.equalsIgnoreCase('<s>ike</s><i>i</i>');
          });

          it('should be split by s tag with offset 0 (left edge case)', () => {
            let $s = $para.find('s');
            dom.splitTree($para[0], { node: $s[0].firstChild, offset: 0 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u>u</u><s><br></s>');
            expect($para.next().html()).to.equalsIgnoreCase('<s>strike</s><i>i</i>');
          });

          it('should be split by s tag with offset 6 (right edge case)', () => {
            let $s = $para.find('s');
            dom.splitTree($para[0], { node: $s[0].firstChild, offset: 6 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u>u</u><s>strike</s>');
            expect($para.next().html()).to.equalsIgnoreCase('<s><br></s><i>i</i>');
          });

          it('should be split by s tag with offset 3 (2 depth case)', () => {
            let $s = $para.find('s');
            dom.splitTree($s[0], { node: $s[0].firstChild, offset: 3 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u>u</u><s>str</s><s>ike</s><i>i</i>');
          });

          it('should be split by s tag with offset 3 (1 depth and textNode case)', () => {
            let $s = $para.find('s');
            dom.splitTree($s[0].firstChild, { node: $s[0].firstChild, offset: 3 });

            expect($para.html()).to.equalsIgnoreCase('<b>b</b><u>u</u><s>strike</s><i>i</i>');
          });

          it('should be split by span tag with offset 2 (1 depth and element case)', () => {
            let $cont = $('<div class="note-editable"><p><span><b>b</b><u>u</u><s>s</s><i>i</i></span></p></div>'); // busi
            let $span = $cont.find('span');
            dom.splitTree($span[0], { node: $span[0], offset: 2 });

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

      describe('splitPoint', () => {
        it('should return rightNode and container for empty paragraph with inline', () => {
          let $editable = $('<div class="note-editable"><p><br></p></div>');
          let $para = $editable.clone().find('p');
          let $br = $para.find('br');

          let result = dom.splitPoint({ node: $para[0], offset: 0 }, true);
          expect(result).to.deep.equal({ rightNode: $br[0], container: $para[0] });
        });
      });
    });