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151 lines
4.7 KiB
Plaintext
151 lines
4.7 KiB
Plaintext
---
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title: How to set up Playwright with Next.js
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nav_title: Playwright
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description: Learn how to set up Playwright with Next.js for End-to-End (E2E) Testing.
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---
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Playwright is a testing framework that lets you automate Chromium, Firefox, and WebKit with a single API. You can use it to write **End-to-End (E2E)** testing. This guide will show you how to set up Playwright with Next.js and write your first tests.
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## Quickstart
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The fastest way to get started is to use `create-next-app` with the [with-playwright example](https://github.com/vercel/next.js/tree/canary/examples/with-playwright). This will create a Next.js project complete with Playwright configured.
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```bash package="pnpm"
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pnpm create next-app --example with-playwright with-playwright-app
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```
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```bash package="npm"
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npx create-next-app@latest --example with-playwright with-playwright-app
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```
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```bash package="yarn"
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yarn create next-app --example with-playwright with-playwright-app
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```
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```bash package="bun"
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bun create next-app --example with-playwright with-playwright-app
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```
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## Manual setup
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To install Playwright, run the following command:
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```bash package="pnpm"
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pnpm create playwright
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```
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```bash package="npm"
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npm init playwright
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```
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```bash package="yarn"
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yarn create playwright
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```
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```bash package="bun"
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bun create playwright
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```
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This will take you through a series of prompts to setup and configure Playwright for your project, including adding a `playwright.config.ts` file. Please refer to the [Playwright installation guide](https://playwright.dev/docs/intro#installation) for the step-by-step guide.
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## Creating your first Playwright E2E test
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Create two new Next.js pages:
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<AppOnly>
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```tsx filename="app/page.tsx"
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import Link from 'next/link'
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export default function Page() {
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return (
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<div>
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<h1>Home</h1>
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<Link href="/about">About</Link>
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</div>
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)
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}
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```
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```tsx filename="app/about/page.tsx"
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import Link from 'next/link'
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export default function Page() {
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return (
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<div>
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<h1>About</h1>
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<Link href="/">Home</Link>
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</div>
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)
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}
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```
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</AppOnly>
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<PagesOnly>
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```tsx filename="pages/index.ts"
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import Link from 'next/link'
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export default function Home() {
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return (
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<div>
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<h1>Home</h1>
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<Link href="/about">About</Link>
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</div>
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)
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}
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```
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```tsx filename="pages/about.ts"
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import Link from 'next/link'
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export default function About() {
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return (
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<div>
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<h1>About</h1>
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<Link href="/">Home</Link>
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</div>
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)
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}
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```
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</PagesOnly>
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Then, add a test to verify that your navigation is working correctly:
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```ts filename="tests/example.spec.ts"
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import { test, expect } from '@playwright/test'
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test('should navigate to the about page', async ({ page }) => {
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// Start from the index page (the baseURL is set via the webServer in the playwright.config.ts)
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await page.goto('http://localhost:3000/')
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// Find an element with the text 'About' and click on it
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await page.click('text=About')
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// The new URL should be "/about" (baseURL is used there)
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await expect(page).toHaveURL('http://localhost:3000/about')
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// The new page should contain an h1 with "About"
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await expect(page.locator('h1')).toContainText('About')
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})
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```
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> **Good to know**: You can use `page.goto("/")` instead of `page.goto("http://localhost:3000/")`, if you add [`"baseURL": "http://localhost:3000"`](https://playwright.dev/docs/api/class-testoptions#test-options-base-url) to the `playwright.config.ts` [configuration file](https://playwright.dev/docs/test-configuration).
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### Running your Playwright tests
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Playwright will simulate a user navigating your application using three browsers: Chromium, Firefox and Webkit, this requires your Next.js server to be running. We recommend running your tests against your production code to more closely resemble how your application will behave.
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Run `npm run build` and `npm run start`, then run `npx playwright test` in another terminal window to run the Playwright tests.
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> **Good to know**: Alternatively, you can use the [`webServer`](https://playwright.dev/docs/test-webserver/) feature to let Playwright start the development server and wait until it's fully available.
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### Running Playwright on Continuous Integration (CI)
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Playwright will by default run your tests in the [headless mode](https://playwright.dev/docs/ci#running-headed). To install all the Playwright dependencies, run `npx playwright install-deps`.
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You can learn more about Playwright and Continuous Integration from these resources:
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- [Next.js with Playwright example](https://github.com/vercel/next.js/tree/canary/examples/with-playwright)
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- [Playwright on your CI provider](https://playwright.dev/docs/ci)
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- [Playwright Discord](https://discord.com/invite/playwright-807756831384403968)
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