npx create-next-app@latest --example with-cypress with-cypress-app

npx create-next-app@latest --example with-cypress with-cypress-app

// package.json

"scripts": {
  //...
  "cypress": "cypress open",
  "cypress:headless": "cypress run",
  "e2e": "start-server-and-test start http://localhost:3000 cypress",
  "e2e:headless": "start-server-and-test start http://localhost:3000 cypress:headless"
}

npm install --save-dev cypress

"scripts": {
  "dev": "next dev",
  "build": "next build",
  "start": "next start",
  "cypress": "cypress open",
}

// cypress/integration/app.spec.js

describe('Navigation', () => {
  it('should navigate to the about page', () => {
    // Start from the index page
    cy.visit('http://localhost:3000/')

    // Find a link with an href attribute containing "about" and click it
    cy.get('a[href*="about"]').click()

    // The new url should include "/about"
    cy.url().should('include', '/about')

    // The new page should contain an h1 with "About page"
    cy.get('h1').contains('About Page')
  })
})

npm run cypress

// pages/index.js
import Link from 'next/link'

export default function Home() {
  return (
    <nav>
      <Link href="/about">
        <a>About</a>
      </Link>
    </nav>
  )
}

// pages/about.js
export default function About() {
  return (
    <div>
      <h1>About Page</h1>
    </div>
  )
}

npx create-next-app@latest --example with-playwright with-playwright-app

// e2e/example.spec.ts

import { test, expect } from '@playwright/test'

test('should navigate to the about page', async ({ page }) => {
  // Start from the index page (the baseURL is set via the webServer in the playwright.config.ts)
  await page.goto('http://localhost:3000/')
  // Find an element with the text 'About Page' and click on it
  await page.click('text=About Page')
  // The new url should be "/about" (baseURL is used there)
  await expect(page).toHaveURL('http://localhost:3000/about')
  // The new page should contain an h1 with "About Page"
  await expect(page.locator('h1')).toContainText('About Page')
})