test what email looks like in Rails

gistfile1.rb

class Order  
  def send_order_email
    OrderMailer.send_email(self).deliver
  end

  def test_order_email
    body = send_order_email.body.to_s
    File.open(File.join(Rails.root, 'public', 'email_test.html'), 'w') do |f|
      f.puts body
    end
    'public/email_test.html'
  end
end