497 lines
15 KiB
TypeScript
497 lines
15 KiB
TypeScript
/* eslint-env jest */
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import { sandbox } from './helpers'
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import { createNextDescribe, FileRef } from 'e2e-utils'
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import path from 'path'
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import { check } from 'next-test-utils'
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createNextDescribe(
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'Error Overlay for server components',
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{
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files: new FileRef(path.join(__dirname, 'fixtures', 'default-template')),
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dependencies: {
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react: 'latest',
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'react-dom': 'latest',
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},
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skipStart: true,
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},
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({ next }) => {
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describe('createContext called in Server Component', () => {
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it('should show error when React.createContext is called', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'app/page.js',
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`
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import React from 'react'
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const Context = React.createContext()
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export default function Page() {
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return (
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<>
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<Context.Provider value="hello">
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<h1>Page</h1>
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</Context.Provider>
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</>
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)
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'createContext only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/context-in-server-component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'createContext only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/context-in-server-component'
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)
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await cleanup()
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})
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it('should show error when React.createContext is called in external package', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'node_modules/my-package/index.js',
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`
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const React = require('react')
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module.exports = React.createContext()
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`,
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],
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[
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'node_modules/my-package/package.json',
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`
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{
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"name": "my-package",
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"version": "0.0.1"
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}
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`,
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],
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[
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'app/page.js',
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`
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import Context from 'my-package'
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export default function Page() {
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return (
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<>
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<Context.Provider value="hello">
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<h1>Page</h1>
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</Context.Provider>
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</>
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)
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'createContext only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/context-in-server-component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'createContext only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/context-in-server-component'
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)
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await cleanup()
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})
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it('should show error when createContext is called in external package', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'node_modules/my-package/index.js',
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`
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const { createContext } = require('react')
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module.exports = createContext()
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`,
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],
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[
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'node_modules/my-package/package.json',
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`
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{
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"name": "my-package",
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"version": "0.0.1"
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}
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`,
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],
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[
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'app/page.js',
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`
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import Context from 'my-package'
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export default function Page() {
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return (
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<>
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<Context.Provider value="hello">
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<h1>Page</h1>
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</Context.Provider>
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</>
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)
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'createContext only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/context-in-server-component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'createContext only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/context-in-server-component'
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)
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await cleanup()
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})
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})
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describe('React component hooks called in Server Component', () => {
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it('should show error when React.<client-hook> is called', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'app/page.js',
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`
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import React from 'react'
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export default function Page() {
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const ref = React.useRef()
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return "Hello world"
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'useRef only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'useRef only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component'
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)
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await cleanup()
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})
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it('should show error when React.<client-hook> is called in external package', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'node_modules/my-package/index.js',
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`
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const React = require('react')
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module.exports = function Component() {
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const [state, useState] = React.useState()
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return "Hello world"
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}
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`,
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],
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[
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'node_modules/my-package/package.json',
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`
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{
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"name": "my-package",
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"version": "0.0.1"
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}
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`,
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],
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[
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'app/page.js',
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`
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import Component from 'my-package'
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export default function Page() {
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return <Component />
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'useState only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'useState only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component'
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)
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await cleanup()
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})
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it('should show error when React client hook is called in external package', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'node_modules/my-package/index.js',
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`
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const { useEffect } = require('react')
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module.exports = function Component() {
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useEffect(() => {}, [])
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return "Hello world"
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}
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`,
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],
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[
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'node_modules/my-package/package.json',
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`
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{
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"name": "my-package",
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"version": "0.0.1"
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}
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`,
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],
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[
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'app/page.js',
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`
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import Component from 'my-package'
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export default function Page() {
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return <Component />
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'useEffect only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'useEffect only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component'
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)
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await cleanup()
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})
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})
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describe('Class component used in Server Component', () => {
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it('should show error when Class Component is used', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'app/page.js',
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`
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import React from 'react'
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export default class Page extends React.Component {
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render() {
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return <p>Hello world</p>
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}
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}
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`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'This might be caused by a React Class Component being rendered in a Server Component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'This might be caused by a React Class Component being rendered in a Server Component'
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)
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await cleanup()
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})
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it('should show error when React.PureComponent is rendered in external package', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'node_modules/my-package/index.js',
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`
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const React = require('react')
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module.exports = class extends React.PureComponent {
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render() {
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return "Hello world"
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}
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}
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`,
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],
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[
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'node_modules/my-package/package.json',
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`
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{
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"name": "my-package",
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"version": "0.0.1"
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}
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`,
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],
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[
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'app/page.js',
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`
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import Component from 'my-package'
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export default function Page() {
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return <Component />
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'This might be caused by a React Class Component being rendered in a Server Component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'This might be caused by a React Class Component being rendered in a Server Component'
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)
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await cleanup()
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})
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it('should show error when Component is rendered in external package', async () => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'node_modules/my-package/index.js',
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`
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const { Component } = require('react')
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module.exports = class extends Component {
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render() {
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return "Hello world"
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}
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}
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`,
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],
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[
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'node_modules/my-package/package.json',
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`
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{
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"name": "my-package",
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"version": "0.0.1"
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}
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`,
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],
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[
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'app/page.js',
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`
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import Component from 'my-package'
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export default function Page() {
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return <Component />
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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'This might be caused by a React Class Component being rendered in a Server Component'
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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'This might be caused by a React Class Component being rendered in a Server Component'
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)
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await cleanup()
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})
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})
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describe('Next.js component hooks called in Server Component', () => {
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it.each([
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// TODO-APP: add test for useParams
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// ["useParams"],
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['useRouter'],
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['useSearchParams'],
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['useSelectedLayoutSegment'],
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['useSelectedLayoutSegments'],
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['usePathname'],
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])('should show error when %s is called', async (hook: string) => {
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const { browser, cleanup } = await sandbox(
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next,
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new Map([
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[
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'app/page.js',
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`
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import { ${hook} } from 'next/navigation'
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export default function Page() {
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${hook}()
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return "Hello world"
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}`,
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],
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])
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)
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await check(async () => {
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expect(
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await browser
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.waitForElementByCss('#nextjs__container_errors_desc')
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.text()
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).toContain(
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`Error: ${hook} only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component`
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)
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return 'success'
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}, 'success')
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expect(next.cliOutput).toContain(
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`Error: ${hook} only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component`
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)
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await cleanup()
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})
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})
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}
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)
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