Function toBeJestCompatible

test/core/test/expect-poll.test.ts:88–95

()

  let idx = 0
  expect.extend({
    toBeJestCompatible() {
      idx++
      fn({ poll: this.poll })
      return {
        pass: idx > 2,
        message: () => 'ok',
      }
    },
  })
  await expect.poll(() => 1, { interval: 10 }).toBeJestCompatible()
  expect(fn).toHaveBeenCalledTimes(3)