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import assert from 'node:assert/strict';
import { after, before, describe, it } from 'node:test';
import { parseHTML } from 'linkedom';
import { loadFixture } from '../../../astro/test/test-utils.js';
async function getFixture(name) {
return await loadFixture({
root: new URL(`./fixtures/${name}/`, import.meta.url),
});
}
describe('experimental.headingIdCompat', () => {
let fixture;
before(async () => {
fixture = await loadFixture({
root: new URL(`./fixtures/headings/`, import.meta.url),
experimental: { headingIdCompat: true },
});
});
describe('dev', () => {
let devServer;
before(async () => {
devServer = await fixture.startDevServer();
});
after(async () => {
await devServer.stop();
});
it('applies IDs to headings containing special characters', async () => {
const res = await fixture.fetch('/headings-with-special-characters');
const html = await res.text();
const { document } = parseHTML(html);
assert.equal(document.querySelector('h2')?.id, 'picture-');
assert.equal(document.querySelector('h3')?.id, '-sacrebleu--');
});
});
});
describe('Markdoc - Headings', () => {
let fixture;
before(async () => {
fixture = await getFixture('headings');
});
describe('dev', () => {
let devServer;
before(async () => {
devServer = await fixture.startDevServer();
});
after(async () => {
await devServer.stop();
});
it('applies IDs to headings', async () => {
const res = await fixture.fetch('/headings');
const html = await res.text();
const { document } = parseHTML(html);
idTest(document);
});
it('applies IDs to headings containing special characters', async () => {
const res = await fixture.fetch('/headings-with-special-characters');
const html = await res.text();
const { document } = parseHTML(html);
assert.equal(document.querySelector('h2')?.id, 'picture');
assert.equal(document.querySelector('h3')?.id, '-sacrebleu-');
});
it('generates the same IDs for other documents with the same headings', async () => {
const res = await fixture.fetch('/headings-stale-cache-check');
const html = await res.text();
const { document } = parseHTML(html);
idTest(document);
});
it('generates a TOC with correct info', async () => {
const res = await fixture.fetch('/headings');
const html = await res.text();
const { document } = parseHTML(html);
tocTest(document);
});
});
describe('build', () => {
before(async () => {
await fixture.build();
});
it('applies IDs to headings', async () => {
const html = await fixture.readFile('/headings/index.html');
const { document } = parseHTML(html);
idTest(document);
});
it('generates the same IDs for other documents with the same headings', async () => {
const html = await fixture.readFile('/headings-stale-cache-check/index.html');
const { document } = parseHTML(html);
idTest(document);
});
it('generates a TOC with correct info', async () => {
const html = await fixture.readFile('/headings/index.html');
const { document } = parseHTML(html);
tocTest(document);
});
});
});
describe('Markdoc - Headings with custom Astro renderer', () => {
let fixture;
before(async () => {
fixture = await getFixture('headings-custom');
});
describe('dev', () => {
let devServer;
before(async () => {
devServer = await fixture.startDevServer();
});
after(async () => {
await devServer.stop();
});
it('applies IDs to headings', async () => {
const res = await fixture.fetch('/headings');
const html = await res.text();
const { document } = parseHTML(html);
idTest(document);
});
it('generates the same IDs for other documents with the same headings', async () => {
const res = await fixture.fetch('/headings-stale-cache-check');
const html = await res.text();
const { document } = parseHTML(html);
idTest(document);
});
it('generates a TOC with correct info', async () => {
const res = await fixture.fetch('/headings');
const html = await res.text();
const { document } = parseHTML(html);
tocTest(document);
});
it('renders Astro component for each heading', async () => {
const res = await fixture.fetch('/headings');
const html = await res.text();
const { document } = parseHTML(html);
astroComponentTest(document);
});
});
describe('build', () => {
before(async () => {
await fixture.build();
});
it('applies IDs to headings', async () => {
const html = await fixture.readFile('/headings/index.html');
const { document } = parseHTML(html);
idTest(document);
});
it('generates the same IDs for other documents with the same headings', async () => {
const html = await fixture.readFile('/headings-stale-cache-check/index.html');
const { document } = parseHTML(html);
idTest(document);
});
it('generates a TOC with correct info', async () => {
const html = await fixture.readFile('/headings/index.html');
const { document } = parseHTML(html);
tocTest(document);
});
it('renders Astro component for each heading', async () => {
const html = await fixture.readFile('/headings/index.html');
const { document } = parseHTML(html);
astroComponentTest(document);
});
});
});
const depthToHeadingMap = {
1: {
slug: 'level-1-heading',
text: 'Level 1 heading',
},
2: {
slug: 'level-2-heading',
text: 'Level 2 heading',
},
3: {
slug: 'level-3-heading',
text: 'Level 3 heading',
},
4: {
slug: 'level-4-heading',
text: 'Level 4 heading',
},
5: {
slug: 'id-override',
text: 'Level 5 heading with override',
},
6: {
slug: 'level-6-heading',
text: 'Level 6 heading',
},
};
/** @param {Document} document */
function idTest(document) {
for (const [depth, info] of Object.entries(depthToHeadingMap)) {
assert.equal(document.querySelector(`h${depth}`)?.getAttribute('id'), info.slug);
}
}
/** @param {Document} document */
function tocTest(document) {
const toc = document.querySelector('[data-toc] > ul');
assert.equal(toc.children.length, Object.keys(depthToHeadingMap).length);
for (const [depth, info] of Object.entries(depthToHeadingMap)) {
const linkEl = toc.querySelector(`a[href="#${info.slug}"]`);
assert.ok(linkEl);
assert.equal(linkEl.getAttribute('data-depth'), depth);
assert.equal(linkEl.textContent.trim(), info.text);
}
}
/** @param {Document} document */
function astroComponentTest(document) {
const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
for (const heading of headings) {
assert.equal(heading.hasAttribute('data-custom-heading'), true);
}
}
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