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import { expect } from 'chai';
import * as cheerio from 'cheerio';
import sizeOf from 'image-size';
import { fileURLToPath } from 'url';
import { loadFixture } from './test-utils.js';
import testAdapter from '../../../astro/test/test-adapter.js';
describe('SSR images - build', function () {
let fixture;
function verifyImage(pathname) {
const url = new URL('./fixtures/basic-image/dist/client' + pathname, import.meta.url);
const dist = fileURLToPath(url);
const result = sizeOf(dist);
expect(result).not.be.be.undefined;
}
before(async () => {
fixture = await loadFixture({
root: './fixtures/basic-image/',
adapter: testAdapter({ streaming: false }),
experimental: {
ssr: true,
},
});
await fixture.build();
});
describe('Local images', () => {
it('includes src, width, and height attributes', async () => {
const app = await fixture.loadTestAdapterApp();
const request = new Request('http://example.com/');
const response = await app.render(request);
const html = await response.text();
const $ = cheerio.load(html);
const image = $('#social-jpg');
const src = image.attr('src');
const [route, params] = src.split('?');
expect(route).to.equal('/_image');
const searchParams = new URLSearchParams(params);
expect(searchParams.get('f')).to.equal('jpg');
expect(searchParams.get('w')).to.equal('506');
expect(searchParams.get('h')).to.equal('253');
// TODO: possible to avoid encoding the full image path?
expect(searchParams.get('href').endsWith('/assets/social.jpg')).to.equal(true);
});
it('built the optimized image', async () => {
const app = await fixture.loadTestAdapterApp();
const request = new Request('http://example.com/');
const response = await app.render(request);
const html = await response.text();
const $ = cheerio.load(html);
const image = $('#social-jpg');
const imgRequest = new Request(`http://example.com${image.attr('src')}`);
const imgResponse = await app.render(imgRequest);
expect(imgResponse.status).to.equal(200);
expect(imgResponse.headers.get('Content-Type')).to.equal('image/jpeg');
// TODO: verify image file? It looks like sizeOf doesn't support ArrayBuffers
});
it('includes the original images', () => {
['/assets/social.jpg', '/assets/social.png', '/assets/blog/introducing-astro.jpg'].map(
verifyImage
);
});
});
describe('Inline imports', () => {
it('includes src, width, and height attributes', async () => {
const app = await fixture.loadTestAdapterApp();
const request = new Request('http://example.com/');
const response = await app.render(request);
const html = await response.text();
const $ = cheerio.load(html);
const image = $('#inline');
const src = image.attr('src');
const [route, params] = src.split('?');
expect(route).to.equal('/_image');
const searchParams = new URLSearchParams(params);
expect(searchParams.get('f')).to.equal('jpg');
expect(searchParams.get('w')).to.equal('506');
expect(searchParams.get('h')).to.equal('253');
// TODO: possible to avoid encoding the full image path?
expect(searchParams.get('href').endsWith('/assets/social.jpg')).to.equal(true);
});
});
describe('Remote images', () => {
it('includes src, width, and height attributes', async () => {
const app = await fixture.loadTestAdapterApp();
const request = new Request('http://example.com/');
const response = await app.render(request);
const html = await response.text();
const $ = cheerio.load(html);
const image = $('#google');
const src = image.attr('src');
const [route, params] = src.split('?');
expect(route).to.equal('/_image');
const searchParams = new URLSearchParams(params);
expect(searchParams.get('f')).to.equal('webp');
expect(searchParams.get('w')).to.equal('544');
expect(searchParams.get('h')).to.equal('184');
// TODO: possible to avoid encoding the full image path?
expect(searchParams.get('href').endsWith('googlelogo_color_272x92dp.png')).to.equal(true);
});
});
});
describe('SSR images - dev', function () {
let fixture;
let devServer;
let $;
before(async () => {
fixture = await loadFixture({
root: './fixtures/basic-image/',
adapter: testAdapter(),
experimental: {
ssr: true,
},
});
devServer = await fixture.startDevServer();
const html = await fixture.fetch('/').then((res) => res.text());
$ = cheerio.load(html);
});
after(async () => {
await devServer.stop();
});
describe('Local images', () => {
it('includes src, width, and height attributes', () => {
const image = $('#social-jpg');
const src = image.attr('src');
const [route, params] = src.split('?');
expect(route).to.equal('/_image');
const searchParams = new URLSearchParams(params);
expect(searchParams.get('f')).to.equal('jpg');
expect(searchParams.get('w')).to.equal('506');
expect(searchParams.get('h')).to.equal('253');
// TODO: possible to avoid encoding the full image path?
expect(searchParams.get('href').endsWith('/assets/social.jpg')).to.equal(true);
});
it('returns the optimized image', async () => {
const image = $('#social-jpg');
const res = await fixture.fetch(image.attr('src'));
expect(res.status).to.equal(200);
expect(res.headers.get('Content-Type')).to.equal('image/jpeg');
// TODO: verify image file? It looks like sizeOf doesn't support ArrayBuffers
});
});
describe('Inline imports', () => {
it('includes src, width, and height attributes', () => {
const image = $('#inline');
const src = image.attr('src');
const [route, params] = src.split('?');
expect(route).to.equal('/_image');
const searchParams = new URLSearchParams(params);
expect(searchParams.get('f')).to.equal('jpg');
expect(searchParams.get('w')).to.equal('506');
expect(searchParams.get('h')).to.equal('253');
// TODO: possible to avoid encoding the full image path?
expect(searchParams.get('href').endsWith('/assets/social.jpg')).to.equal(true);
});
});
describe('Remote images', () => {
it('includes src, width, and height attributes', () => {
const image = $('#google');
const src = image.attr('src');
const [route, params] = src.split('?');
expect(route).to.equal('/_image');
const searchParams = new URLSearchParams(params);
expect(searchParams.get('f')).to.equal('webp');
expect(searchParams.get('w')).to.equal('544');
expect(searchParams.get('h')).to.equal('184');
expect(searchParams.get('href')).to.equal(
'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png'
);
});
});
});
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