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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-frontmatter/', import.meta.url);
describe('MDX frontmatter', () => {
let fixture;
before(async () => {
fixture = await loadFixture({
root: FIXTURE_ROOT,
integrations: [mdx()],
});
await fixture.build();
});
it('builds when "frontmatter.property" is in JSX expression', async () => {
expect(true).to.equal(true);
});
it('extracts frontmatter to "frontmatter" export', async () => {
const { titles } = JSON.parse(await fixture.readFile('/glob.json'));
expect(titles).to.include('Using YAML frontmatter');
});
it('renders layout from "layout" frontmatter property', async () => {
const html = await fixture.readFile('/index.html');
const { document } = parseHTML(html);
const layoutParagraph = document.querySelector('[data-layout-rendered]');
expect(layoutParagraph).to.not.be.null;
});
it('passes frontmatter to layout via "content" and "frontmatter" props', async () => {
const html = await fixture.readFile('/index.html');
const { document } = parseHTML(html);
const contentTitle = document.querySelector('[data-content-title]');
const frontmatterTitle = document.querySelector('[data-frontmatter-title]');
expect(contentTitle.textContent).to.equal('Using YAML frontmatter');
expect(frontmatterTitle.textContent).to.equal('Using YAML frontmatter');
});
it('passes headings to layout via "headings" prop', async () => {
const html = await fixture.readFile('/with-headings/index.html');
const { document } = parseHTML(html);
const headingSlugs = [...document.querySelectorAll('[data-headings] > li')].map(
(el) => el.textContent
);
expect(headingSlugs.length).to.be.greaterThan(0);
expect(headingSlugs).to.contain('section-1');
expect(headingSlugs).to.contain('section-2');
});
});
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