for capybara pay.jp payment modal helper

payjp_modal_helper.rb

module PayjpModalHelpers
  def payment_payjp(card_number: '4242 4242 4242 4242',
          expiration_month: '12', expiration_year: '20', cvc: "123", card_name: "YUI ARAGAKI")
    sleep(1) # wait for the js to create the popup in response to pressing the button

    within_frame 'payjp-checkout-iframe' do # must be selenium
      driver = page.driver.browser

      sleep 2

      credit_card = driver.find_element(css: '#payjp_cardNumber')
      credit_card.send_keys card_number

      expiration_month_el = driver.find_element(css: '#payjp_cardExpiresMonth')
      expiration_month_el.send_keys expiration_month

      expiration_year_el = driver.find_element(css: '#payjp_cardExpiresYear')
      expiration_year_el.send_keys expiration_year

      cvc_el = driver.find_element(css: '#payjp_cardCvc')
      cvc_el.send_keys cvc

      card_name_el = driver.find_element(css: '#payjp_cardName')
      card_name_el.send_keys card_name

      pay_btn = driver.find_element(css: '#payjp_cardSubmit')
      pay_btn.click
    end
  end
end