vitest/examples/playwright/test/basic.test.ts

import { afterAll, beforeAll, describe, test } from 'vitest'
import { preview } from 'vite'
import type { PreviewServer } from 'vite'
import { chromium } from 'playwright'
import type { Browser, Page } from 'playwright'
import { expect } from '@playwright/test'

const PORT = 3001

// unstable in Windows, TODO: investigate
describe.runIf(process.platform !== 'win32')('basic', async () => {
  let server: PreviewServer
  let browser: Browser
  let page: Page

  beforeAll(async () => {
    server = await preview({ preview: { port: PORT } })
    browser = await chromium.launch({ headless: true })
    page = await browser.newPage()
  })

  afterAll(async () => {
    await browser.close()
    await new Promise<void>((resolve, reject) => {
      server.httpServer.close(error => error ? reject(error) : resolve())
    })
  })

  test('should change count when button clicked', async () => {
    await page.goto(`http://localhost:${PORT}`)
    const button = page.getByRole('button', { name: /Clicked/ })
    await expect(button).toBeVisible()

    await expect(button).toHaveText('Clicked 0 time(s)')

    await button.click()
    await expect(button).toHaveText('Clicked 1 time(s)')
  }, 60_000)
})