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1 change: 1 addition & 0 deletions .eslintignore
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ examples/with-typescript-eslint-jest/**
examples/with-kea/**
examples/with-custom-babel-config/**
examples/with-flow/**
examples/with-jest/**
examples/with-mobx-state-tree/**
examples/with-mobx/**
packages/next/bundles/webpack/packages/*.runtime.js
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13 changes: 7 additions & 6 deletions docs/testing.md
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Expand Up @@ -179,6 +179,7 @@ module.exports = {
'^.+\\.(jpg|jpeg|png|gif|webp|svg)$': '<rootDir>/__mocks__/fileMock.js',
},
testPathIgnorePatterns: ['<rootDir>/node_modules/', '<rootDir>/.next/'],
testEnvironment: 'jsdom',
transform: {
// Use babel-jest to transpile tests with the next/babel preset
// https://jestjs.io/docs/configuration#transform-objectstring-pathtotransformer--pathtotransformer-object
Expand Down Expand Up @@ -276,16 +277,16 @@ Your project is now ready to run tests. Follow Jests convention by adding tests
For example, we can add a test to check if the `<Index />` component successfully renders a heading:

```jsx
// __tests__/testing-library.js
// __tests__/index.test.jsx
import React from 'react'
import { render } from '@testing-library/react'
import Index from '../pages/index'
import { render, screen } from '@testing-library/react'
import Home from '../pages/index'

describe('App', () => {
describe('Home', () => {
it('renders a heading', () => {
const { getByRole } = render(<Index />)
render(<Home />)

const heading = getByRole('heading', {
const heading = screen.getByRole('heading', {
name: /welcome to next\.js!/i,
})

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15 changes: 15 additions & 0 deletions examples/with-jest/.eslintrc.json
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
{
"root": true,
"extends": ["next/core-web-vitals"],
"plugins": ["testing-library"],
"overrides": [
// Only uses Testing Library lint rules in test files
{
"files": [
"**/__tests__/**/*.[jt]s?(x)",
"**/?(*.)+(spec|test).[jt]s?(x)"
],
"extends": ["plugin:testing-library/react"]
}
]
}
19 changes: 19 additions & 0 deletions examples/with-jest/__tests__/index.test.jsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
/**
* @jest-environment jsdom
*/

import React from 'react'
import { render, screen } from '@testing-library/react'
import Home from '../pages/index'

describe('Home', () => {
it('renders a heading', () => {
render(<Home />)

const heading = screen.getByRole('heading', {
name: /welcome to next\.js!/i,
})

expect(heading).toBeInTheDocument()
})
})
15 changes: 0 additions & 15 deletions examples/with-jest/__tests__/testing-library.js

This file was deleted.

17 changes: 11 additions & 6 deletions examples/with-jest/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
"private": true,
"scripts": {
"dev": "next dev",
"lint": "next lint",
"build": "next build",
"start": "next start",
"test": "jest --watch",
Expand All @@ -13,11 +14,15 @@
"react-dom": "^17.0.2"
},
"devDependencies": {
"@testing-library/jest-dom": "^5.1.0",
"@testing-library/react": "^9.4.0",
"babel-jest": "^25.1.0",
"identity-obj-proxy": "^3.0.0",
"jest": "^25.1.0",
"react-test-renderer": "^17.0.2"
"@testing-library/jest-dom": "5.14.1",
"@testing-library/react": "12.0.0",
"@testing-library/user-event": "13.2.1",
"babel-jest": "27.0.6",
"eslint": "7.32.0",
"eslint-config-next": "latest",
"eslint-plugin-testing-library": "4.11.0",
"identity-obj-proxy": "3.0.0",
"jest": "27.0.6",
"react-test-renderer": "17.0.2"
}
}
4 changes: 2 additions & 2 deletions package.json
Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,10 @@
"git-reset": "git reset --hard HEAD",
"git-clean": "git clean -d -x -e node_modules -e packages -f",
"lint-typescript": "lerna run typescript",
"lint-eslint": "eslint . --ext js,jsx,ts,tsx --max-warnings=0",
"lint-eslint": "eslint . --ext js,jsx,ts,tsx --max-warnings=0 --config .eslintrc.json --no-eslintrc",
"lint-no-typescript": "run-p prettier-check lint-eslint",
"lint": "run-p test-types lint-typescript prettier-check lint-eslint lint-language",
"lint-fix": "yarn prettier-fix && eslint . --ext js,jsx,ts,tsx --fix --max-warnings=0",
"lint-fix": "yarn prettier-fix && eslint . --ext js,jsx,ts,tsx --fix --max-warnings=0 --config .eslintrc.json --no-eslintrc",
"lint-language": "alex .",
"prettier-check": "prettier --check .",
"prettier-fix": "prettier --write .",
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,6 @@ export default () => (
<FakeA id="with-href">Will redirect as an `a` tag</FakeA>
</Link>

{/* eslint-disable-next-line @next/next/link-passhref */}
<Link href="/nav">
<FakeA id="without-href">Will not redirect as an `a` tag</FakeA>
</Link>
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2 changes: 0 additions & 2 deletions test/integration/document-head-warnings/pages/_document.js
Original file line number Diff line number Diff line change
@@ -1,5 +1,3 @@
/* eslint-disable @next/next/no-title-in-document-head */

import Document, { Html, Head, Main, NextScript } from 'next/document'

class MyDocument extends Document {
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