502f063131
* Allow importing Image component from @astrojs/image * Adds a changeset * Export the Image type
134 lines
3.7 KiB
JavaScript
134 lines
3.7 KiB
JavaScript
import { expect } from 'chai';
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import * as cheerio from 'cheerio';
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import path from 'path';
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import sizeOf from 'image-size';
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import { fileURLToPath } from 'url';
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import { loadFixture } from './test-utils.js';
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let fixture;
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describe('SSG images', function () {
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before(async () => {
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fixture = await loadFixture({ root: './fixtures/basic-image/' });
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});
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function verifyImage(pathname, expected) {
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const url = new URL('./fixtures/basic-image/dist/' + pathname, import.meta.url);
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const dist = fileURLToPath(url);
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const result = sizeOf(dist);
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expect(result).to.deep.equal(expected);
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}
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describe('build', () => {
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let $;
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let html;
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before(async () => {
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await fixture.build();
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html = await fixture.readFile('/index.html');
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$ = cheerio.load(html);
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});
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describe('Local images', () => {
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it('includes src, width, and height attributes', () => {
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const image = $('#social-jpg');
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expect(image.attr('src')).to.equal('/_image/assets/social_506x253.jpg');
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expect(image.attr('width')).to.equal('506');
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expect(image.attr('height')).to.equal('253');
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});
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it('built the optimized image', () => {
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verifyImage('_image/assets/social_506x253.jpg', { width: 506, height: 253, type: 'jpg' });
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});
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it('dist includes original image', () => {
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verifyImage('assets/social.jpg', { width: 2024, height: 1012, type: 'jpg' });
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});
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});
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describe('Remote images', () => {
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it('includes src, width, and height attributes', () => {
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const image = $('#google');
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expect(image.attr('src')).to.equal('/_image/googlelogo_color_272x92dp_544x184.webp');
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expect(image.attr('width')).to.equal('544');
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expect(image.attr('height')).to.equal('184');
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});
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it('built the optimized image', () => {
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verifyImage('_image/googlelogo_color_272x92dp_544x184.webp', {
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width: 544,
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height: 184,
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type: 'webp',
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});
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});
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});
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});
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describe('dev', () => {
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let devServer;
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let $;
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before(async () => {
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devServer = await fixture.startDevServer();
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const html = await fixture.fetch('/').then((res) => res.text());
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$ = 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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describe('Local images', () => {
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it('includes src, width, and height attributes', () => {
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const image = $('#social-jpg');
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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('/_image');
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const searchParams = new URLSearchParams(params);
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expect(searchParams.get('f')).to.equal('jpg');
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expect(searchParams.get('w')).to.equal('506');
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expect(searchParams.get('h')).to.equal('253');
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// TODO: possible to avoid encoding the full image path?
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expect(searchParams.get('href').endsWith('/assets/social.jpg')).to.equal(true);
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});
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it('returns the optimized image', async () => {
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const image = $('#social-jpg');
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const res = await fixture.fetch(image.attr('src'));
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expect(res.status).to.equal(200);
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expect(res.headers.get('Content-Type')).to.equal('image/jpeg');
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// TODO: verify image file? It looks like sizeOf doesn't support ArrayBuffers
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});
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});
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describe('Remote images', () => {
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it('includes src, width, and height attributes', () => {
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const image = $('#google');
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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('/_image');
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const searchParams = new URLSearchParams(params);
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expect(searchParams.get('f')).to.equal('webp');
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expect(searchParams.get('w')).to.equal('544');
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expect(searchParams.get('h')).to.equal('184');
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expect(searchParams.get('href')).to.equal(
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'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png'
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);
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});
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});
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});
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});
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