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| 1 | +const expect = require('chai').expect; |
| 2 | +const jsdom = require('jsdom') |
| 3 | +const { JSDOM } = jsdom |
| 4 | + |
| 5 | +require('../../../prism') |
| 6 | +// fake DOM |
| 7 | +global.self = {} |
| 8 | +global.self.Prism = Prism |
| 9 | +global.document = {} |
| 10 | +document.createRange = function () { |
| 11 | +} |
| 12 | +global.self.document = document |
| 13 | + |
| 14 | +require('../../../plugins/keep-markup/prism-keep-markup') |
| 15 | + |
| 16 | +describe('Prism Keep Markup Plugin', function () { |
| 17 | + |
| 18 | + function execute (code) { |
| 19 | + const start = []; |
| 20 | + const end = []; |
| 21 | + const nodes = []; |
| 22 | + document.createRange = function () { |
| 23 | + return { |
| 24 | + setStart: function (node, offset) { |
| 25 | + start.push({ node, offset }) |
| 26 | + }, |
| 27 | + setEnd: function (node, offset) { |
| 28 | + end.push({ node, offset }) |
| 29 | + }, |
| 30 | + extractContents: function () { |
| 31 | + return new JSDOM('').window.document.createTextNode('') |
| 32 | + }, |
| 33 | + insertNode: function (node) { |
| 34 | + nodes.push(node) |
| 35 | + }, |
| 36 | + detach: function () { |
| 37 | + } |
| 38 | + } |
| 39 | + } |
| 40 | + const beforeHighlight = Prism.hooks.all['before-highlight'][0] |
| 41 | + const afterHighlight = Prism.hooks.all['after-highlight'][0] |
| 42 | + const env = { |
| 43 | + element: new JSDOM(code).window.document.getElementsByTagName('code')[0], |
| 44 | + language: "javascript" |
| 45 | + } |
| 46 | + beforeHighlight(env) |
| 47 | + afterHighlight(env) |
| 48 | + return { start, end, nodes } |
| 49 | + } |
| 50 | + |
| 51 | + it('should keep <span> markup', function () { |
| 52 | + const result = execute(`<code class="language-javascript">x<span>a</span>y</code>`) |
| 53 | + expect(result.start.length).to.equal(1) |
| 54 | + expect(result.end.length).to.equal(1) |
| 55 | + expect(result.nodes.length).to.equal(1) |
| 56 | + expect(result.nodes[0].nodeName).to.equal('SPAN') |
| 57 | + }) |
| 58 | + it('should preserve markup order', function () { |
| 59 | + const result = execute(`<code class="language-javascript">x<a></a><b></b>y</code>`) |
| 60 | + expect(result.start.length).to.equal(2) |
| 61 | + expect(result.start[0].offset).to.equal(0) |
| 62 | + expect(result.start[0].node.textContent).to.equal('y') |
| 63 | + expect(result.start[1].offset).to.equal(0) |
| 64 | + expect(result.start[1].node.textContent).to.equal('y') |
| 65 | + expect(result.end.length).to.equal(2) |
| 66 | + expect(result.end[0].offset).to.equal(0) |
| 67 | + expect(result.end[0].node.textContent).to.equal('y') |
| 68 | + expect(result.end[1].offset).to.equal(0) |
| 69 | + expect(result.end[1].node.textContent).to.equal('y') |
| 70 | + expect(result.nodes.length).to.equal(2) |
| 71 | + expect(result.nodes[0].nodeName).to.equal('A') |
| 72 | + expect(result.nodes[1].nodeName).to.equal('B') |
| 73 | + }) |
| 74 | + it('should keep last <span> markup', function () { |
| 75 | + const result = execute(`<code class="language-javascript">xy<span>a</span></code>`) |
| 76 | + expect(result.start.length).to.equal(1) |
| 77 | + expect(result.end.length).to.equal(1) |
| 78 | + expect(result.nodes.length).to.equal(1) |
| 79 | + expect(result.nodes[0].nodeName).to.equal('SPAN') |
| 80 | + }) |
| 81 | + // The markup is removed if it's the last element and the element's name is a single letter: a(nchor), b(old), i(talic)... |
| 82 | + // https://github.com/PrismJS/prism/issues/1618 |
| 83 | + /* |
| 84 | + it('should keep last single letter empty markup', function () { |
| 85 | + const result = execute(`<code class="language-javascript">xy<a></a></code>`) |
| 86 | + expect(result.start.length).to.equal(1) |
| 87 | + expect(result.end.length).to.equal(1) |
| 88 | + expect(result.nodes.length).to.equal(1) |
| 89 | + expect(result.nodes[0].nodeName).to.equal('A') |
| 90 | + }) |
| 91 | + */ |
| 92 | +}) |
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