next.js/test/integration/render-error-on-module-error/test/index.test.ts

/* eslint-env jest */

import {
  nextBuild,
  nextServer,
  startApp,
  stopApp,
  waitFor,
} from 'next-test-utils'
import webdriver from 'next-webdriver'
import { join } from 'path'

const appDir = join(__dirname, '..')

let appPort
let app
let server

describe('Module Init Error', () => {
  ;(process.env.TURBOPACK_DEV ? describe.skip : describe)(
    'production mode',
    () => {
      beforeAll(async () => {
        await nextBuild(appDir)
        app = nextServer({
          dir: join(__dirname, '../'),
          dev: false,
          quiet: true,
        })

        server = await startApp(app)
        appPort = server.address().port
      })
      afterAll(() => stopApp(server))

      it('should render error page', async () => {
        const browser = await webdriver(appPort, '/')
        try {
          await waitFor(2000)
          const text = await browser.elementByCss('#error-p').text()
          expect(text).toBe('Error Rendered')
        } finally {
          await browser.close()
        }
      })
    }
  )
})