vercel__next.js/test/e2e/app-dir/search-params-react-key/layout-params.test.ts

import { nextTestSetup } from 'e2e-utils'
import { check } from 'next-test-utils'

describe('app dir - search params keys', () => {
  const { next } = nextTestSetup({
    files: __dirname,
  })

  it('should keep the React router instance the same when changing the search params', async () => {
    const browser = await next.browser('/')

    const searchParams = await browser
      .waitForElementByCss('#search-params')
      .text()

    await browser.elementByCss('#increment').click()
    await browser.elementByCss('#increment').click()

    await browser.elementByCss('#push').click()

    await check(async () => {
      const newSearchParams = await browser
        .waitForElementByCss('#search-params')
        .text()

      const count = await browser.waitForElementByCss('#count').text()

      return newSearchParams !== searchParams && count === '2'
        ? 'success'
        : 'retry'
    }, 'success')

    await browser.elementByCss('#increment').click()
    await browser.elementByCss('#increment').click()

    await browser.elementByCss('#replace').click()

    await check(async () => {
      const newSearchParams = await browser
        .waitForElementByCss('#search-params')
        .text()
      const count = await browser.waitForElementByCss('#count').text()

      return newSearchParams !== searchParams && count === '4'
        ? 'success'
        : 'retry'
    }, 'success')
  })
})