rake routes | grep registrations

              new_user_session GET    /users/login                                          {:controllers=>{:registrations=>"registrations"}, :action=>"new", :controller=>"sessions"}
                  user_session POST   /users/login                                          {:controllers=>{:registrations=>"registrations"}, :action=>"create", :controller=>"sessions"}
          destroy_user_session GET    /users/logout                                         {:controllers=>{:registrations=>"registrations"}, :action=>"destroy", :controller=>"sessions"}
         new_user_registration GET    /users/signup(.:format)                               {:action=>"new", :controller=>"registrations"}
        edit_user_registration GET    /users/edit(.:format)                                 {:action=>"edit", :controller=>"registrations"}
             user_registration PUT    /users(.:format)                                      {:action=>"update", :controller=>"registrations"}
                               DELETE /users(.:format)                                      {:action=>"destroy", :controller=>"registrations"}
                               POST   /users(.:format)                                      {:action=>"create", :controller=>"registrations"}