Activate Authlogic in Console

irb.rb

if defined?(ActiveRecord::Base) && defined?(Authlogic)
  controller = ApplicationController.new
  require 'action_controller/test_case'
  controller.instance_variable_set(:@_request, ActionController::TestRequest.new)
  controller.instance_variable_set(:@_response, ActionController::TestResponse.new)
  Authlogic::Session::Base.controller = Authlogic::ControllerAdapters::RailsAdapter.new(controller)
end

UserSession.new( User.first )