import { describe, it, expect, beforeAll, afterAll, beforeEach, afterEach } from '@jest/globals'
import mockfs from 'mock-fs'
import request from 'supertest'
import { createApp } from '../src/createApp'
import { createMockServer, generateSimpleViteManifest, getRandomPort } from './util.js'
describe('File caching service', () => {
let app
let mockserver
const port = getRandomPort()
beforeAll(() => {
mockfs({
'./config/manifests': {
'urls.yaml': `manifests:
- http://localhost:${port}/manifest.json`
}
})
app = createApp()
})
afterAll(() => {
mockfs.restore()
})
beforeEach(async () => {
mockserver = await createMockServer({ port })
mockserver.respondWith({
'/manifest.json': generateSimpleViteManifest({
'example.js': { imports: ['test.txt'] },
'test.txt': { },
'main.css': {},
'index.html': {
file: 'index.html.js',
isEntry: true,
imports: ['example.js'],
css: ['main.css']
}
}),
'/example.js': (req, res) => res.setHeader('content-type', 'application/javascript').status(200).send('this is example'),
'/test.txt': (req, res) => res.setHeader('content-type', 'text/plain').status(200).send('this is test'),
'/index.html.js': (req, res) => res.setHeader('content-type', 'application/javascript').status(200).send('this is index.html.js'),
'/index.html': (req, res) => res.setHeader('content-type', 'text/html').status(200).send('<html><head></head><body>it\'s me</body></html>'),
'/main.css': (req, res) => res.setHeader('content-type', 'text/css').status(200).send('.foo { color: #000; }'),
'/favicon.ico': 'not really a favicon, though'
})
await request(app).get('/ready')
})
afterEach(() => {
mockserver.close()
process.env.CACHE_TTL = 30000
})
it('serves files defined in manifest.json file', async () => {
const response = await request(app).get('/example.js')
expect(response.statusCode).toBe(200)
expect(response.headers['content-type']).toBe('application/javascript; charset=utf-8')
expect(response.text).toBe('this is example')
// expect(response.headers['content-security-policy']).toContain('sha256-NzZhMTE2Njc2YTgyNTZmZTdlZGVjZDU3YTNmYzRjNmM1OWZkMTI2NjRkYzZmMWM3YTkwMGU3ZTdhNDlhZmVlMwo=')
const response2 = await request(app).get('/test.txt')
expect(response2.statusCode).toBe(200)
expect(response2.headers['content-type']).toBe('text/plain; charset=utf-8')
expect(response2.text).toBe('this is test')
})
it('serves css files', async () => {
const response = await request(app).get('/main.css')
expect(response.statusCode).toBe(200)
expect(response.headers['content-type']).toBe('text/css; charset=utf-8')
// expect(response.headers['content-security-policy']).toContain('sha256-YjRiYWRlYTVhYmM5ZTZkNjE2ZGM4YjcwZWRlNzUxMmU0YjgxY2UxMWExOTI2ZjM1NzM1M2Y2MWJjNmUwMmZjMwo=')
})
it('serves / as index.html', async () => {
const response = await request(app).get('/')
expect(response.statusCode).toBe(200)
expect(response.headers['content-type']).toBe('text/html; charset=utf-8')
expect(response.text).toBe('<html><head></head><body>it\'s me</body></html>')
})
it('directly fetches files not referenced in manifest.json files from the upstream servers', async () => {
const response = await request(app).get('/favicon.ico')
expect(response.statusCode).toBe(200)
expect(response.body).toBe('not really a favicon, though')
})
it('returns 404 if file can not be resolved', async () => {
const response = await request(app).get('/unknown-file.txt')
expect(response.statusCode).toBe(404)
})
})