Function runTests

test/integration/scroll-forward-restoration/test/index.test.ts:18–68

()

let app

const runTests = () => {
  it('should restore the scroll position on navigating forward', async () => {
    const browser = await webdriver(appPort, '/another')
    await browser.elementByCss('#to-index').click()

    await check(
      () => browser.eval(() => document.documentElement.innerHTML),
      /the end/
    )

    await browser.eval(() =>
      document.querySelector('#to-another').scrollIntoView()
    )
    const scrollRestoration = await browser.eval(
      () => window.history.scrollRestoration
    )

    expect(scrollRestoration).toBe('manual')

    const scrollX = Math.floor(await browser.eval(() => window.scrollX))
    const scrollY = Math.floor(await browser.eval(() => window.scrollY))

    expect(scrollX).not.toBe(0)
    expect(scrollY).not.toBe(0)

    await browser.eval(() => window.history.back())

    await check(
      () => browser.eval(() => document.documentElement.innerHTML),
      /hi from another/
    )

    await browser.eval(() => ((window as any).didHydrate = false))
    await browser.eval(() => window.history.forward())

    await check(() => browser.eval(() => (window as any).didHydrate), true)

    const newScrollX = Math.floor(await browser.eval(() => window.scrollX))
    const newScrollY = Math.floor(await browser.eval(() => window.scrollY))

    console.log({
      scrollX,
      scrollY,
      newScrollX,
      newScrollY,
    })

    expect(scrollX).toBe(newScrollX)
    expect(scrollY).toBe(newScrollY)
  })
}

describe('Scroll Forward Restoration Support', () => {
  ;(process.env.TURBOPACK_BUILD ? describe.skip : describe)(