webrat_with_rack.rb

ActionController::IntegrationTest.class_eval do
  # override webrat's visit method to handle rack redirects
  # see http://is.gd/aM89F for more information about this
  def visit(*args)
    super(*args)
    if rack_middleware_has_redirected?
      visit @integration_session.headers["Location"]
    end
  end
  
  private
  
  def rack_middleware_has_redirected?
    [301, 302].include?(@integration_session.status) && @response.status == 200
  end
end