astro/packages/integrations/image/test/with-mdx.test.js
Valentin Bersier e4348a4eb4
@astrojs/image: add a background option/prop to replace the alpha layer (#4642)
* Added `background` option and prop.
This optional color specifies which background to use when removing the
alpha channel if the output format doesn't support transparency.

* Modified existing tests

* Fixed wrong dimensions in tests

* Fixing a few instances of jpeg vs jpg

* Added color checking

* working on the tests

* tests are now passing

* Adding tests

* Added tests for background color

* no need to test with subpath

* Added fixture

* Renamed test fixture for background-color

* skipping test until fixed

* Typo

* Working on tests

* tests are passing

* Updated readme and added changeset

* Updated lockfile

* Updated lockfile

* Updated lockfile

Co-authored-by: Tony Sullivan <tony.f.sullivan@outlook.com>
2022-09-07 17:22:11 +00:00

69 lines
1.7 KiB
JavaScript

import { expect } from 'chai';
import * as cheerio from 'cheerio';
import sizeOf from 'image-size';
import { fileURLToPath } from 'url';
import { loadFixture } from './test-utils.js';
describe('Images in MDX - build', function () {
let fixture;
let $;
let html;
before(async () => {
fixture = await loadFixture({ root: './fixtures/with-mdx/' });
await fixture.build();
html = await fixture.readFile('/index.html');
$ = cheerio.load(html);
});
function verifyImage(pathname, expected) {
const url = new URL('./fixtures/with-mdx/dist/' + pathname, import.meta.url);
const dist = fileURLToPath(url);
const result = sizeOf(dist);
expect(result).to.deep.equal(expected);
}
[
{
title: 'Local images',
id: '#social-jpg',
regex: /^\/social.\w{8}_\w{4,10}.jpg/,
size: { width: 506, height: 253, type: 'jpg' },
},
{
title: 'Inline imports',
id: '#inline',
regex: /^\/social.\w{8}_\w{4,10}.jpg/,
size: { width: 506, height: 253, type: 'jpg' },
},
{
title: 'Remote images',
id: '#google',
regex: /^\/googlelogo_color_272x92dp_\w{4,10}.webp/,
size: { width: 544, height: 184, type: 'webp' },
},
{
title: 'Public images',
id: '#hero',
regex: /^\/hero_\w{4,10}.webp/,
size: { width: 768, height: 414, type: 'webp' },
},
{
title: 'Background color',
id: '#bg-color',
regex: /^\/googlelogo_color_272x92dp_\w{4,10}.jpeg/,
size: { width: 544, height: 184, type: 'jpg' },
},
].forEach(({ title, id, regex, size }) => {
it(title, () => {
const image = $(id);
expect(image.attr('src')).to.match(regex);
expect(image.attr('width')).to.equal(size.width.toString());
expect(image.attr('height')).to.equal(size.height.toString());
verifyImage(image.attr('src'), size);
});
});
});