-
Notifications
You must be signed in to change notification settings - Fork 1.3k
/
test.js
76 lines (62 loc) · 2.12 KB
/
test.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
const { assert } = require('chai');
const { createScopedPrismDom } = require('../../helper/prism-dom-util');
describe('Keep Markup', function () {
const { Prism, document } = createScopedPrismDom(this, {
languages: 'javascript',
plugins: 'keep-markup'
});
/**
* @param {string} html
* @param {string} language
*/
function highlightInElement(html, language = 'none') {
const pre = document.createElement('pre');
pre.className = `language-${language}`;
pre.innerHTML = `<code>${html}</code>`;
Prism.highlightElement(pre);
return pre.querySelector('code').innerHTML;
}
/**
* @param {string} html
* @param {string} language
*/
function keepMarkup(html, language = 'none') {
assert.equal(highlightInElement(html, language), html);
}
it('should keep <span> markup', function () {
keepMarkup(`x<span>a</span>y`);
});
it('should preserve markup order', function () {
keepMarkup(`x<a></a><b></b>y`);
});
it('should keep last markup', function () {
keepMarkup(`xy<span>a</span>`);
keepMarkup(`xy<a>a</a>`);
});
it('should support double highlighting', function () {
const pre = document.createElement('pre');
pre.className = 'language-javascript drop-tokens';
pre.innerHTML = '<code>var <mark>a = 42</mark>;</code>';
const code = pre.childNodes[0];
const initial = code.innerHTML;
Prism.highlightElement(code);
const firstPass = code.innerHTML;
Prism.highlightElement(code);
const secondPass = code.innerHTML;
// check that we actually did some highlighting
assert.notStrictEqual(initial, firstPass);
// check that the highlighting persists
assert.strictEqual(firstPass, secondPass);
});
// 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)...
// https://github.com/PrismJS/prism/issues/1618
/*
it('should keep last single letter empty markup', function () {
const result = execute(`<code class="language-none">xy<a></a></code>`)
expect(result.start.length).to.equal(1)
expect(result.end.length).to.equal(1)
expect(result.nodes.length).to.equal(1)
expect(result.nodes[0].nodeName).to.equal('A')
})
*/
});