Wait helpers, used with Elixir hound browser testing library

wait_helper.ex

defmodule MyApp.WaitHelper do
  use Hound.Helpers

  def wait_until(fun), do: wait_until(1000, fun)
  def wait_until(0, fun), do: fun.()

  def wait_until(timeout, fun) do
    fun.()
  rescue
    Hound.NoSuchElementError -> retry(timeout, fun)
    Hound.Error -> retry(timeout, fun)
    ExUnit.AssertionError -> retry(timeout, fun)
    RuntimeError -> retry(timeout, fun)
  end

  defp retry(timeout, fun) do
    :timer.sleep(10)
    wait_until(max(0, timeout - 10), fun)
  end

  def click_and_wait(element, sleep_duration \\ 100) do
    click(element)
    :timer.sleep(sleep_duration)
  end

  def click_and_confirm_and_wait(element) do
    click(element)
    accept_dialog()
    :timer.sleep(100)
  end
end