/
test.js
340 lines (308 loc) · 10 KB
/
test.js
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/**
* @typedef {import('hast').Root} Root
*/
import assert from 'node:assert/strict'
import test from 'node:test'
import {h, s} from 'hastscript'
import {JSDOM} from 'jsdom'
import {rehypeDom} from 'rehype-dom'
import rehypeDomParse from 'rehype-dom-parse'
import rehypeDomStringify from 'rehype-dom-stringify'
import rehypeHighlight from 'rehype-highlight'
import rehypeParse from 'rehype-parse'
import rehypeSlug from 'rehype-slug'
import rehypeStringify from 'rehype-stringify'
import {unified} from 'unified'
import {u} from 'unist-builder'
import {visit} from 'unist-util-visit'
const {window} = new JSDOM('')
// The globals needed by `rehype-dom`.
global.DOMParser = window.DOMParser
global.document = window.document
test('rehype-dom-parse', async function (t) {
const processor = unified().use(rehypeDomParse).use(rehypeStringify).freeze()
await t.test('should expose the public api', async function () {
assert.deepEqual(Object.keys(await import('rehype-dom-parse')).sort(), [
'default'
])
})
await t.test('should parse a complete document', async function () {
assert.equal(
String(
processor()
.use(function () {
return function (tree) {
assert.deepEqual(
tree,
u('root', [
h('html', [
h('head', [h('title', 'Hi')]),
h('body', [h('h2', 'Hello world!')])
])
])
)
}
})
.data('settings', {fragment: false})
.processSync('<title>Hi</title><h2>Hello world!')
),
'<html><head><title>Hi</title></head><body><h2>Hello world!</h2></body></html>'
)
})
await t.test('should parse a fragment', async function () {
assert.equal(
String(
processor()
.use(function () {
return function (tree) {
assert.deepEqual(
tree,
u('root', [h('title', 'Hi'), h('h2', 'Hello world!')])
)
}
})
.processSync('<title>Hi</title><h2>Hello world!')
),
'<title>Hi</title><h2>Hello world!</h2>'
)
})
await t.test('should parse dataset correctly', async function () {
assert.equal(
String(processor().processSync('<p data-test="true">text, <b>hyper')),
'<p data-test="true">text, <b>hyper</b></p>'
)
})
await t.test('should parse comment correctly', async function () {
assert.equal(
String(processor().processSync('<!--comment-->')),
'<!--comment-->'
)
})
})
test('rehype-dom-stringify', async function (t) {
const processor = unified().use(rehypeParse).use(rehypeDomStringify).freeze()
await t.test('should expose the public api', async function () {
assert.deepEqual(Object.keys(await import('rehype-dom-stringify')).sort(), [
'default'
])
})
await t.test('should stringify a complete document', async function () {
assert.equal(
processor()
.data('settings', {fragment: false})
.processSync('<title>Hi</title><h2>Hello world!')
.toString(),
'<html><head><title>Hi</title></head><body><h2>Hello world!</h2></body></html>'
)
})
await t.test('should stringify a doctype', async function () {
assert.equal(
processor()
.data('settings', {fragment: false})
.processSync('<!doctype html>')
.toString(),
'<DOCTYPE html><html><head></head><body></body></html>'
)
})
await t.test('should support empty documents', async function () {
assert.equal(
processor().processSync('<!doctype html>').toString(),
'<DOCTYPE html><html><head></head><body></body></html>'
)
})
await t.test('should stringify a fragment', async function () {
assert.equal(
processor()
.data('settings', {fragment: true})
.processSync('<title>Hi</title><h2>Hello world!')
.toString(),
'<title>Hi</title><h2>Hello world!</h2>'
)
})
await t.test(
'should stringify dataset attributes correctly',
async function () {
assert.equal(
processor()
.data('settings', {fragment: true})
.processSync('<p data-test="true">text, <b>hyper')
.toString(),
'<p data-test="true">text, <b>hyper</b></p>'
)
}
)
await t.test('should support SVG', async function () {
assert.equal(
processor()
.use(rehypeDomStringify, {namespace: 'http://www.w3.org/2000/svg'})
.stringify(u('root', [s('#foo.bar', s('circle'))])),
'<g id="foo" class="bar"><circle></circle></g>'
)
})
await t.test('should support HTML in SVG', async function () {
assert.equal(
processor()
.use(rehypeDomStringify, {namespace: 'http://www.w3.org/2000/svg'})
.stringify(
u('root', [
s('svg', [
s('foreignObject', [
h('div', {xmlns: 'http://www.w3.org/1999/xhtml'}, 'Alpha')
])
])
])
),
'<svg><foreignObject><div xmlns="http://www.w3.org/1999/xhtml">Alpha</div></foreignObject></svg>'
)
})
await t.test('should support HTML in SVG in HTML', async function () {
assert.equal(
processor().stringify(
u('root', [
h('div', [
s('svg', {xmlns: 'http://www.w3.org/2000/svg'}, [
s('foreignObject', [
h('div', {xmlns: 'http://www.w3.org/1999/xhtml'}, 'Alpha')
])
])
])
])
),
'<div><svg xmlns="http://www.w3.org/2000/svg"><foreignObject><div xmlns="http://www.w3.org/1999/xhtml">Alpha</div></foreignObject></svg></div>'
)
})
await t.test('should stringify namespaced elements', async function () {
assert.equal(
processor()
.use(rehypeDomStringify, {namespace: 'https://example.com'})
.stringify(u('root', [h('example', 'Alpha')])),
'<example>Alpha</example>'
)
})
})
test('rehype-dom', async function (t) {
await t.test('should expose the public api', async function () {
assert.deepEqual(Object.keys(await import('rehype-dom')).sort(), [
'rehypeDom'
])
})
await t.test('should parse a complete document', async function () {
assert.equal(
rehypeDom()
.data('settings', {fragment: false})
.processSync('<title>Hi</title><h2>Hello world!')
.toString(),
'<html><head><title>Hi</title></head><body><h2>Hello world!</h2></body></html>'
)
})
await t.test('should parse a fragment', async function () {
assert.equal(
rehypeDom().processSync('<title>Hi</title><h2>Hello world!').toString(),
'<title>Hi</title><h2>Hello world!</h2>'
)
})
await t.test('should parse as a fragment by default', async function () {
assert.equal(
rehypeDom().processSync('<title>Hi</title><h2>Hello world!').toString(),
'<title>Hi</title><h2>Hello world!</h2>'
)
})
await t.test('should not mangle dataset attributes', async function () {
assert.equal(
rehypeDom().processSync('<p data-test="true">text, <b>hyper').toString(),
'<p data-test="true">text, <b>hyper</b></p>'
)
})
await t.test('should support boolean attributes', async function () {
assert.equal(
rehypeDom().processSync('<input type="checkbox" checked />').toString(),
'<input type="checkbox" checked="">'
)
})
await t.test('should not mangle classnames', async function () {
assert.equal(
rehypeDom().processSync('<div class="foo bar">baz</div>').toString(),
'<div class="foo bar">baz</div>'
)
})
await t.test('should support svg', async function () {
assert.equal(
rehypeDom()
.processSync(
`<svg width=230 height=120 xmlns=http://www.w3.org/2000/svg xmlns:xlink=http://www.w3.org/1999/xlink>
<circle cx=60 cy=60 r=50 fill=red />
<circle cx=170 cy=60 r=50 fill=green />
</svg>`
)
.toString(),
`<svg width="230" height="120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<circle cx="60" cy="60" r="50" fill="red"></circle>
<circle cx="170" cy="60" r="50" fill="green"></circle>
</svg>`
)
})
await t.test('should process text in `style` correctly', async function () {
assert.equal(
String(
rehypeDom().processSync(`<style>
body > style {
width: 100px;
}
</style>`)
),
`<style>
body > style {
width: 100px;
}
</style>`
)
})
await t.test('should work w/ `rehype-highlight`', async function () {
assert.equal(
rehypeDom()
// @ts-expect-error: to do: remove when `rehype-highlight` is released.
.use(rehypeHighlight)
.processSync(
`<h1>Hello World!</h1>
<pre><code class="language-js">var name = "World";
console.warn("Hello, " + name + "!")</pre></code>`
)
.toString(),
`<h1>Hello World!</h1>
<pre><code class="hljs language-js"><span class="hljs-keyword">var</span> name = <span class="hljs-string">"World"</span>;
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">warn</span>(<span class="hljs-string">"Hello, "</span> + name + <span class="hljs-string">"!"</span>)</code></pre>`
)
})
await t.test('should work w/ `rehype-slug`', async function () {
assert.equal(
rehypeDom()
.use(rehypeSlug)
.processSync('<h1>First</h1><h2>Second')
.toString(),
'<h1 id="first">First</h1><h2 id="second">Second</h2>'
)
})
await t.test('should work w/ a generic plugin', async function () {
assert.equal(
rehypeDom()
.use(function () {
/**
* Transform.
*
* @param {Root} tree
* Tree.
* @returns {undefined}
* Nothing.
*/
return function (tree) {
visit(tree, 'text', function (node) {
node.value = node.value.split('').reverse().join('')
})
}
})
.processSync('<p>a man a plan a canal panama</p>')
.toString(),
'<p>amanap lanac a nalp a nam a</p>'
)
})
})