Capybara Cheatsheet

auth_helper.rb

module AuthHelper
  def sign_in_with_cookie(name, value)
    case page.driver.class
    when Capybara::RackTest::Driver
      # Set session cookie using Rack::Test  
      page.driver.browser.env "rack.session", { name => value }
    else
      # Set session cookie using railsware/rack_session_access gem
      page.set_rack_session(name => value)
    end
  end
end