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import { join } from 'path'
import { nextTestSetup } from 'e2e-utils'
describe('node builtins', () => {
const { next } = nextTestSetup({
files: join(__dirname, 'node-builtins'),
})
it('should have polyfilled node.js builtins for the browser correctly', async () => {
const browser = await next.browser('/')
await browser.waitForCondition('window.didRender', 15000)
const data = await browser
.waitForElementByCss('#node-browser-polyfills')
.text()
const parsedData = JSON.parse(data)
expect(parsedData.vm).toBe(105)
expect(parsedData.hash).toBe(
'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'
)
expect(parsedData.buffer).toBe('hello world')
expect(parsedData.stream).toBe(true)
expect(parsedData.assert).toBe(true)
expect(parsedData.constants).toBe(7)
expect(parsedData.domain).toBe(true)
expect(parsedData.http).toBe(true)
expect(parsedData.https).toBe(true)
expect(parsedData.os).toBe('\n')
expect(parsedData.path).toBe('/hello/world/test.txt')
expect(parsedData.process).toBe('browser')
expect(parsedData.querystring).toBe('a=b')
expect(parsedData.stringDecoder).toBe(true)
expect(parsedData.sys).toBe(true)
expect(parsedData.timers).toBe(true)
})
it('should have polyfilled node.js builtins for the browser correctly in client component', async () => {
const browser = await next.browser('/client-component')
await browser.waitForCondition('window.didRender', 15000)
const data = await browser
.waitForElementByCss('#node-browser-polyfills')
.text()
const parsedData = JSON.parse(data)
expect(parsedData.vm).toBe(105)
expect(parsedData.hash).toBe(
'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'
)
expect(parsedData.buffer).toBe('hello world')
expect(parsedData.stream).toBe(true)
expect(parsedData.assert).toBe(true)
expect(parsedData.constants).toBe(7)
expect(parsedData.domain).toBe(true)
expect(parsedData.http).toBe(true)
expect(parsedData.https).toBe(true)
expect(parsedData.os).toBe('\n')
expect(parsedData.path).toBe('/hello/world/test.txt')
expect(parsedData.process).toBe('browser')
expect(parsedData.querystring).toBe('a=b')
expect(parsedData.stringDecoder).toBe(true)
expect(parsedData.sys).toBe(true)
expect(parsedData.timers).toBe(true)
})
it('should support node.js builtins', async () => {
const $ = await next.render$('/server')
const data = $('#node-browser-polyfills').text()
const parsedData = JSON.parse(data)
expect(parsedData.vm).toBe(105)
expect(parsedData.hash).toBe(
'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'
)
expect(parsedData.buffer).toBe('hello world')
expect(parsedData.stream).toBe(true)
expect(parsedData.assert).toBe(true)
expect(parsedData.constants).toBe(7)
expect(parsedData.domain).toBe(true)
expect(parsedData.http).toBe(true)
expect(parsedData.https).toBe(true)
expect(parsedData.os).toBe('\n')
expect(parsedData.path).toBe('/hello/world/test.txt')
expect(parsedData.process).toInclude('next-server')
expect(parsedData.querystring).toBe('a=b')
expect(parsedData.stringDecoder).toBe(true)
expect(parsedData.sys).toBe(true)
expect(parsedData.timers).toBe(true)
})
it('should support node.js builtins prefixed by node:', async () => {
const $ = await next.render$('/server-node-schema')
const data = $('#node-browser-polyfills').text()
const parsedData = JSON.parse(data)
expect(parsedData.vm).toBe(105)
expect(parsedData.hash).toBe(
'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'
)
expect(parsedData.buffer).toBe('hello world')
expect(parsedData.stream).toBe(true)
expect(parsedData.assert).toBe(true)
expect(parsedData.constants).toBe(7)
expect(parsedData.domain).toBe(true)
expect(parsedData.http).toBe(true)
expect(parsedData.https).toBe(true)
expect(parsedData.os).toBe('\n')
expect(parsedData.path).toBe('/hello/world/test.txt')
expect(parsedData.process).toInclude('next-server')
expect(parsedData.querystring).toBe('a=b')
expect(parsedData.stringDecoder).toBe(true)
expect(parsedData.sys).toBe(true)
expect(parsedData.timers).toBe(true)
})
it('should support node.js builtins in server component', async () => {
const $ = await next.render$('/server-component')
const data = $('#node-browser-polyfills').text()
const parsedData = JSON.parse(data)
expect(parsedData.vm).toBe(105)
expect(parsedData.hash).toBe(
'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'
)
expect(parsedData.buffer).toBe('hello world')
expect(parsedData.stream).toBe(true)
expect(parsedData.assert).toBe(true)
expect(parsedData.constants).toBe(7)
expect(parsedData.domain).toBe(true)
expect(parsedData.http).toBe(true)
expect(parsedData.https).toBe(true)
expect(parsedData.os).toBe('\n')
expect(parsedData.path).toBe('/hello/world/test.txt')
expect(parsedData.querystring).toBe('a=b')
expect(parsedData.stringDecoder).toBe(true)
expect(parsedData.sys).toBe(true)
expect(parsedData.timers).toBe(true)
})
it('should support node.js builtins prefixed by node: in server component', async () => {
const $ = await next.render$('/server-component/node-schema')
const data = $('#node-browser-polyfills').text()
const parsedData = JSON.parse(data)
expect(parsedData.vm).toBe(105)
expect(parsedData.hash).toBe(
'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'
)
expect(parsedData.buffer).toBe('hello world')
expect(parsedData.stream).toBe(true)
expect(parsedData.assert).toBe(true)
expect(parsedData.constants).toBe(7)
expect(parsedData.domain).toBe(true)
expect(parsedData.http).toBe(true)
expect(parsedData.https).toBe(true)
expect(parsedData.os).toBe('\n')
expect(parsedData.path).toBe('/hello/world/test.txt')
expect(parsedData.querystring).toBe('a=b')
expect(parsedData.stringDecoder).toBe(true)
expect(parsedData.sys).toBe(true)
expect(parsedData.timers).toBe(true)
})
it('should throw when unsupported builtins are used in middleware', async () => {
const res = await next.fetch('/middleware-test')
expect(res.status).toBe(200)
expect(JSON.parse(res.headers.get('supported-result')))
.toMatchInlineSnapshot(`
{
"assert": true,
"buffer": "hello world",
"eventEmitter": true,
"util": true,
}
`)
expect(JSON.parse(res.headers.get('unsupported-result')))
.toMatchInlineSnapshot(`
{
"constants": false,
"crypto": false,
"domain": false,
"http": false,
"https": false,
"os": false,
"path": false,
"stream": false,
"timers": false,
"tty": false,
"vm": false,
"zlib": false,
}
`)
})
})
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