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astro/packages/integrations/mdx/test/mdx-images.test.js
Matt Kane 44841fc281
fix: conditionally import image style (#12925)
* fix: conditionally import image style

* Use wrapper component for conditional style import

* changeset

* Add tests

* Fix tests

* Update markdoc tests

* Lint
2025-01-08 13:24:45 +00:00

82 lines
2.6 KiB
JavaScript

import * as 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';
const imageTestRoutes = ['with-components', 'esm-import', 'content-collection'];
describe('MDX Page', () => {
let devServer;
let fixture;
before(async () => {
fixture = await loadFixture({
root: new URL('./fixtures/mdx-images/', import.meta.url),
});
devServer = await fixture.startDevServer();
});
after(async () => {
await devServer.stop();
});
describe('Optimized images in MDX', () => {
it('works', async () => {
const res = await fixture.fetch('/');
assert.equal(res.status, 200);
const html = await res.text();
const { document } = parseHTML(html);
const imgs = document.getElementsByTagName('img');
assert.equal(imgs.length, 6);
// Image using a relative path
assert.equal(imgs.item(0).src.startsWith('/_image'), true);
// Image using an aliased path
assert.equal(imgs.item(1).src.startsWith('/_image'), true);
// Image with title
assert.equal(imgs.item(2).title, 'Houston title');
// Image with spaces in the path
assert.equal(imgs.item(3).src.startsWith('/_image'), true);
// Image using a relative path with no slashes
assert.equal(imgs.item(4).src.startsWith('/_image'), true);
// Image using a relative path with nested directory
assert.equal(imgs.item(5).src.startsWith('/_image'), true);
});
for (const route of imageTestRoutes) {
it(`supports img component - ${route}`, async () => {
const res = await fixture.fetch(`/${route}`);
assert.equal(res.status, 200);
const html = await res.text();
const { document } = parseHTML(html);
const imgs = document.getElementsByTagName('img');
assert.equal(imgs.length, 2);
const assetsImg = imgs.item(0);
assert.equal(assetsImg.src.startsWith('/_image'), true);
assert.equal(assetsImg.hasAttribute('data-my-image'), true);
const publicImg = imgs.item(1);
assert.equal(publicImg.src, '/favicon.svg');
assert.equal(publicImg.hasAttribute('data-my-image'), true);
});
}
});
describe('build', () => {
before(async () => {
await fixture.build();
});
it('includes responsive styles', async () => {
const code = await fixture.readFile('/index.html');
assert.ok(code.includes('[data-astro-image]'));
});
it("doesn't include styles on pages without images", async () => {
const code = await fixture.readFile('/no-image/index.html');
assert.ok(!code.includes('[data-astro-image]'));
});
});
});