astro/packages/integrations/mdx/test/mdx-escape.test.js

import mdx from '@astrojs/mdx';

import { expect } from 'chai';
import { parseHTML } from 'linkedom';
import { loadFixture } from '../../../astro/test/test-utils.js';

const FIXTURE_ROOT = new URL('./fixtures/mdx-escape/', import.meta.url);

describe('MDX frontmatter', () => {
	let fixture;
	before(async () => {
		fixture = await loadFixture({
			root: FIXTURE_ROOT,
			integrations: [mdx()],
		});
		await fixture.build();
	});

	it('does not have unescaped HTML at top-level', async () => {
		const html = await fixture.readFile('/index.html');
		const { document } = parseHTML(html);

		expect(document.body.textContent).to.not.include('<em');
	});

	it('does not have unescaped HTML inside html tags', async () => {
		const html = await fixture.readFile('/html-tag/index.html');
		const { document } = parseHTML(html);

		expect(document.body.textContent).to.not.include('<em');
	});
});