Nuxt/test/dev/modern.server.test.js

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import consola from 'consola'
import { loadFixture, getPort, Nuxt, rp, wChunk } from '../utils'
let nuxt, port
const url = route => 'http://localhost:' + port + route
const modernUA = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36'
const modernInfo = mode => `Modern bundles are detected. Modern mode (\`${mode}\`) is enabled now.`
describe('modern server mode', () => {
beforeAll(async () => {
const options = await loadFixture('modern')
nuxt = new Nuxt(options)
await nuxt.ready()
port = await getPort()
await nuxt.server.listen(port, 'localhost')
})
test('should detect server modern mode', async () => {
await nuxt.server.renderAndGetWindow(url('/'))
expect(consola.info).toHaveBeenCalledWith(modernInfo('server'))
})
test('should use legacy resources by default', async () => {
const { body: response } = await rp(url('/'))
expect(response).toContain('/_nuxt/app.js')
expect(response).toContain('/_nuxt/vendors/commons.js')
})
test('should use modern resources for modern resources', async () => {
const { body: response } = await rp(url('/'), { headers: { 'user-agent': modernUA } })
expect(response).toContain('/_nuxt/app.modern.js')
expect(response).toContain('/_nuxt/vendors/commons.modern.js')
})
test('should include es6 syntax in modern resources', async () => {
const { body: response } = await rp(url(`/_nuxt/pages/index.modern.js`))
expect(response).toContain('=>')
})
test('should not include es6 syntax in normal resources', async () => {
const { body: response } = await rp(url(`/_nuxt/pages/index.js`))
expect(response).not.toContain('=>')
})
test('should contain legacy http2 pushed resources', async () => {
const { headers: { link } } = await rp(url('/'))
expect(link).toEqual([
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'</_nuxt/runtime.js>; rel=preload; crossorigin=use-credentials; as=script',
'</_nuxt/vendors/commons.js>; rel=preload; crossorigin=use-credentials; as=script',
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'</_nuxt/app.js>; rel=preload; crossorigin=use-credentials; as=script',
`</_nuxt/${wChunk('pages/index.js')}>; rel=preload; crossorigin=use-credentials; as=script`
].join(', '))
})
test('should contain module http2 pushed resources', async () => {
const { headers: { link } } = await rp(url('/'), {
headers: { 'user-agent': modernUA }
})
expect(link).toEqual([
'</_nuxt/runtime.modern.js>; rel=preload; crossorigin=use-credentials; as=script',
'</_nuxt/vendors/commons.modern.js>; rel=preload; crossorigin=use-credentials; as=script',
'</_nuxt/app.modern.js>; rel=preload; crossorigin=use-credentials; as=script',
`</_nuxt/pages/index.modern.js>; rel=preload; crossorigin=use-credentials; as=script`
].join(', '))
})
test('Vary header should contain User-Agent', async () => {
const { headers: { vary } } = await rp(url('/'), {
headers: { 'user-agent': modernUA }
})
expect(vary).toContain('User-Agent')
})
// Close server and ask nuxt to stop listening to file changes
afterAll(async () => {
await nuxt.close()
})
})