Fucking-iOS-testing-frameworks.rb

module Waiter
  extend self
  
  TIMEOUT = 15

  def wait_until(opts = {}, &block)
    raise 'Need a block' unless block
    timeout    = opts[:timeout] || TIMEOUT
    poll_sleep = opts[:poll_sleep] || 0.5
    message    = opts[:message] || "timed out waiting: timeout = #{timeout}, poll_sleep = #{poll_sleep}"

    begin
      start = Time.now
      Timeout::timeout(timeout.to_i) do
        begin
          until (result = block.call)
            sleep(poll_sleep)
          end
          result
        rescue Timeout::Error => e
          STDERR.puts "sleep block raised timeout error: #{e}"
        end
      end
    rescue Timeout::Error => _
      raise [ message, "(elapsed time: #{Time.now - start}, time #{Time.now})" ].join(' ')
    end
  end
end

    def scroll_until(timeout = Waiter::TIMEOUT * 2, &block)
      Waiter.wait_until(message: "scroll_until, timeout = #{timeout}", timeout: timeout) do
        block.call.tap do |found|
          unless found
            content_size = map(composite_selector, 'contentSize').first
            bounds = map(composite_selector, 'bounds').first
            if content_size && bounds
              origin_x, origin_y = bounds['origin']['x'], bounds['origin']['y']
              new_y = [ origin_y + 125, content_size['height'] - bounds['size']['height'] ].min
              franky.scroll_view_to_position(composite_selector, origin_x, new_y)
            else
              raise "Could not get content size and bounds, is #{composite_selector} a scroll view?"
            end
          end
        end
      end
    end