464 lines
12 KiB
JavaScript
464 lines
12 KiB
JavaScript
import { expect } from 'chai';
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import * as cheerio from 'cheerio';
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import fs from 'fs';
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import sizeOf from 'image-size';
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import path from 'path';
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import { fileURLToPath, pathToFileURL } from 'node:url';
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import { join } from 'node:path';
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import { loadFixture } from './test-utils.js';
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import srcsetParse from 'srcset-parse';
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const matchSrcset = srcsetParse.default;
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const __dirname = fileURLToPath(new URL('.', import.meta.url));
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const toAstroImage = (relpath) =>
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'/@astroimage' + pathToFileURL(join(__dirname, 'fixtures/basic-picture', relpath)).pathname;
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describe('SSG pictures - dev', function () {
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let fixture;
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let devServer;
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let $;
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before(async () => {
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fixture = await loadFixture({ root: './fixtures/basic-picture/' });
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devServer = await fixture.startDevServer();
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const html = await fixture.fetch('/').then((res) => res.text());
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$ = cheerio.load(html);
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});
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after(async () => {
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await devServer.stop();
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});
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[
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{
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title: 'Local images',
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id: '#social-jpg',
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url: toAstroImage('src/assets/social.jpg'),
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query: { f: 'jpg', w: '506', h: '253' },
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alt: 'Social image',
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},
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{
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title: 'Filename with spaces',
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id: '#spaces',
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url: toAstroImage('src/assets/blog/introducing astro.jpg'),
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query: { f: 'jpg', w: '768', h: '414' },
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alt: 'spaces',
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},
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{
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title: 'File outside src',
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id: '#outside-src',
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url: toAstroImage('social.png'),
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query: { f: 'png', w: '768', h: '414' },
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alt: 'outside-src',
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},
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{
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title: 'Inline imports',
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id: '#inline',
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url: toAstroImage('src/assets/social.jpg'),
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query: { f: 'jpg', w: '506', h: '253' },
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alt: 'Inline social image',
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},
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{
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title: 'Remote images',
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id: '#google',
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url: '/_image',
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query: {
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f: 'png',
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w: '544',
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h: '184',
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href: 'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png',
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},
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alt: 'Google logo',
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},
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{
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title: 'Public images',
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id: '#hero',
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url: '/_image',
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query: { f: 'jpg', w: '768', h: '414', href: '/hero.jpg' },
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alt: 'Hero image',
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},
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{
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title: 'Background color',
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id: '#bg-color',
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url: '/_image',
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query: {
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f: 'png',
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w: '544',
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h: '184',
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bg: 'rgb(51, 51, 51)',
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href: 'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png',
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},
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alt: 'Google logo',
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},
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].forEach(({ title, id, url, query, alt }) => {
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it(title, () => {
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const image = $(`${id}`);
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const picture = image.closest('picture');
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const sources = picture.children('source');
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expect(sources.length).to.equal(3);
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sources.each((_, el) => {
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const srcset = $(el).attr('srcset');
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expect(matchSrcset(srcset).length).to.equal(2);
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});
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const src = image.attr('src');
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const [route, params] = src.split('?');
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expect(route).to.equal(url);
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const searchParams = new URLSearchParams(params);
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for (const [key, value] of Object.entries(query)) {
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expect(searchParams.get(key)).to.equal(value);
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}
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expect(image.attr('alt')).to.equal(alt);
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});
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});
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});
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describe('SSG pictures with subpath - dev', function () {
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let fixture;
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let devServer;
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let $;
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before(async () => {
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fixture = await loadFixture({ root: './fixtures/basic-picture/', base: '/docs' });
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devServer = await fixture.startDevServer();
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const html = await fixture.fetch('/docs/').then((res) => res.text());
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$ = cheerio.load(html);
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});
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after(async () => {
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await devServer.stop();
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});
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[
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{
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title: 'Local images',
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id: '#social-jpg',
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url: toAstroImage('src/assets/social.jpg'),
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query: { f: 'jpg', w: '506', h: '253' },
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alt: 'Social image',
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},
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{
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title: 'Filename with spaces',
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id: '#spaces',
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url: toAstroImage('src/assets/blog/introducing astro.jpg'),
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query: { f: 'jpg', w: '768', h: '414' },
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alt: 'spaces',
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},
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{
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title: 'File outside src',
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id: '#outside-src',
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url: toAstroImage('social.png'),
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query: { f: 'png', w: '768', h: '414' },
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alt: 'outside-src',
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},
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{
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title: 'Inline imports',
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id: '#inline',
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url: toAstroImage('src/assets/social.jpg'),
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query: { f: 'jpg', w: '506', h: '253' },
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alt: 'Inline social image',
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},
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{
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title: 'Remote images',
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id: '#google',
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url: '/_image',
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query: {
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f: 'png',
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w: '544',
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h: '184',
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href: 'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png',
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},
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alt: 'Google logo',
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},
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{
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title: 'Public images',
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id: '#hero',
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url: '/_image',
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query: { f: 'jpg', w: '768', h: '414', href: '/docs/hero.jpg' },
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alt: 'Hero image',
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},
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].forEach(({ title, id, url, query, alt }) => {
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it(title, () => {
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const image = $(`${id}`);
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const picture = image.closest('picture');
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const sources = picture.children('source');
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expect(sources.length).to.equal(3);
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const src = image.attr('src');
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const [route, params] = src.split('?');
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for (const srcset of picture
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.children('source')
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.map((_, source) => source.attribs['srcset'])) {
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for (const pictureSrc of srcset.split(',')) {
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const pictureParams = pictureSrc.split('?')[1];
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const expected = new URLSearchParams(params).get('href');
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const actual = new URLSearchParams(pictureParams).get('href').replace(/\s+\d+w$/, '');
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expect(expected).to.equal(actual);
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}
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}
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expect(route).to.equal(url);
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const searchParams = new URLSearchParams(params);
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for (const [key, value] of Object.entries(query)) {
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expect(searchParams.get(key)).to.equal(value);
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}
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expect(image.attr('alt')).to.equal(alt);
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});
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});
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});
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describe('SSG pictures - build', function () {
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let fixture;
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let $;
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let html;
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before(async () => {
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fixture = await loadFixture({ root: './fixtures/basic-picture/' });
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await fixture.build();
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html = await fixture.readFile('/index.html');
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$ = cheerio.load(html);
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});
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function verifyImage(pathname, expected) {
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const url = new URL('./fixtures/basic-picture/dist/' + pathname, import.meta.url);
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const dist = fileURLToPath(url);
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// image-size doesn't support AVIF files
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if (expected.type !== 'avif') {
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const result = sizeOf(dist);
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expect(result).to.deep.equal(expected);
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} else {
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expect(fs.statSync(dist)).not.to.be.undefined;
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}
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}
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[
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{
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title: 'Local images',
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id: '#social-jpg',
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regex: /^\/_astro\/social.\w{8}_\w{4,10}.jpg/,
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size: { width: 506, height: 253, type: 'jpg' },
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alt: 'Social image',
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},
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{
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title: 'Filename with spaces',
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id: '#spaces',
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regex: /^\/_astro\/introducing astro.\w{8}_\w{4,10}.jpg/,
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size: { width: 768, height: 414, type: 'jpg' },
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alt: 'spaces',
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},
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{
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title: 'File outside src',
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id: '#outside-src',
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regex: /^\/_astro\/social.\w{8}_\w{4,10}.png/,
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size: { type: 'png', width: 768, height: 414 },
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alt: 'outside-src',
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},
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{
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title: 'Inline images',
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id: '#inline',
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regex: /^\/_astro\/social.\w{8}_\w{4,10}.jpg/,
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size: { width: 506, height: 253, type: 'jpg' },
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alt: 'Inline social image',
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},
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{
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title: 'Remote images',
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id: '#google',
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regex: /^\/_astro\/googlelogo_color_272x92dp_\w{4,10}.png/,
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size: { width: 544, height: 184, type: 'png' },
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alt: 'Google logo',
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},
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{
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title: 'Remote without file extension',
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id: '#ipsum',
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regex: /^\/_astro\/200x300_\w{4,10}/,
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size: { width: 200, height: 300, type: 'jpg' },
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alt: 'ipsum',
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},
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{
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title: 'Public images',
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id: '#hero',
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regex: /^\/_astro\/hero_\w{4,10}.jpg/,
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size: { width: 768, height: 414, type: 'jpg' },
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alt: 'Hero image',
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},
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].forEach(({ title, id, regex, size, alt }) => {
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it(title, () => {
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const image = $(`${id}`);
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const picture = image.closest('picture');
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const sources = picture.children('source');
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expect(sources.length).to.equal(3);
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expect(image.attr('src')).to.match(regex);
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expect(image.attr('alt')).to.equal(alt);
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verifyImage(image.attr('src'), size);
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sources.each((_, el) => {
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const source = $(el);
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const srcset = source.attr('srcset');
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expect(matchSrcset(srcset).length).to.equal(2);
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for (const src of srcset.split(',')) {
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const segments = src.split(' ');
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// filenames may have a space in them, pop the last item for the
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// width and join the other segments back for the filepath
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const width = segments.pop();
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const pathname = segments.join(' ');
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const widthNum = parseInt(width.substring(0, width.length - 1));
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verifyImage(pathname, {
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width: widthNum,
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height: widthNum === size.width ? size.height : Math.round(size.height / 2),
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type: path.extname(pathname).substring(1),
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});
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}
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});
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});
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});
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});
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describe('SSG pictures with subpath - build', function () {
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let fixture;
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let $;
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let html;
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before(async () => {
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fixture = await loadFixture({ root: './fixtures/basic-picture/', base: '/docs' });
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await fixture.build();
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html = await fixture.readFile('/index.html');
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$ = cheerio.load(html);
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});
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function verifyImage(pathname, expected) {
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const url = new URL('./fixtures/basic-picture/dist/' + pathname, import.meta.url);
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const dist = fileURLToPath(url);
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// image-size doesn't support AVIF files
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if (expected.type !== 'avif') {
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const result = sizeOf(dist);
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expect(result).to.deep.equal(expected);
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} else {
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expect(fs.statSync(dist)).not.to.be.undefined;
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}
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}
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[
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{
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title: 'Local images',
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id: '#social-jpg',
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regex: /^\/docs\/_astro\/social.\w{8}_\w{4,10}.jpg/,
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size: { width: 506, height: 253, type: 'jpg' },
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alt: 'Social image',
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},
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{
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title: 'File outside src',
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id: '#outside-src',
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regex: /^\/docs\/_astro\/social.\w{8}_\w{4,10}.png/,
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size: { type: 'png', width: 768, height: 414 },
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alt: 'outside-src',
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},
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{
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title: 'Inline images',
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id: '#inline',
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regex: /^\/docs\/_astro\/social.\w{8}_\w{4,10}.jpg/,
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size: { width: 506, height: 253, type: 'jpg' },
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alt: 'Inline social image',
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},
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{
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title: 'Remote images',
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id: '#google',
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regex: /^\/docs\/_astro\/googlelogo_color_272x92dp_\w{4,10}.png/,
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size: { width: 544, height: 184, type: 'png' },
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alt: 'Google logo',
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},
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{
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title: 'Remote without file extension',
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id: '#ipsum',
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regex: /^\/docs\/_astro\/200x300_\w{4,10}/,
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size: { width: 200, height: 300, type: 'jpg' },
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alt: 'ipsum',
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},
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{
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title: 'Public images',
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id: '#hero',
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regex: /^\/docs\/_astro\/hero_\w{4,10}.jpg/,
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size: { width: 768, height: 414, type: 'jpg' },
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alt: 'Hero image',
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},
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].forEach(({ title, id, regex, size, alt }) => {
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it(title, () => {
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const image = $(`${id}`);
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const picture = image.closest('picture');
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const sources = picture.children('source');
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expect(sources.length).to.equal(3);
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expect(image.attr('src')).to.match(regex);
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expect(image.attr('alt')).to.equal(alt);
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verifyImage(image.attr('src').replace('/docs', ''), size);
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sources.each((_, el) => {
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const source = $(el);
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const srcset = source.attr('srcset');
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expect(matchSrcset(srcset).length).to.equal(2);
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for (const src of srcset.split(',')) {
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const [pathname, width] = src.split(' ');
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const widthNum = parseInt(width.substring(0, width.length - 1));
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verifyImage(pathname.replace('/docs', ''), {
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width: widthNum,
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height: widthNum === size.width ? size.height : Math.round(size.height / 2),
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type: path.extname(pathname).substring(1),
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});
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}
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});
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});
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});
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});
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describe('SSG pictures others - build', function () {
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let fixture;
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let $;
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let html;
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before(async () => {
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fixture = await loadFixture({ root: './fixtures/basic-picture/' });
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await fixture.build();
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html = await fixture.readFile('/index.html');
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$ = cheerio.load(html);
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});
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it('fallback image should share last source', async () => {
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const hero = $('#hero');
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const picture = hero.closest('picture');
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const source = picture.children('source').last();
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const image = picture.children('img').last();
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expect(source.attr('srcset')).to.include(image.attr('src'));
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});
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});
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