Remove leading slash from controller [#5651 state:resolved]

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -128,7 +128,7 @@ def default_controller_and_action(to_shorthand=nil)
               { }
             else
               if to.is_a?(String)
-                controller, action = to.split('#')
+                controller, action = to.sub(%r{\A/}, '').split('#')
               elsif to.is_a?(Symbol)
                 action = to.to_s
               end

actionpack/test/dispatch/routing_test.rb

@@ -457,6 +457,8 @@ def self.matches?(request)
         match '/cities', :to => 'countries#cities'
       end
 
+      match '/feeds/:service', :to => '/api/feeds#show', :as => :feed
+
       match '/countries/:country/(*other)', :to => redirect{ |params, req| params[:other] ? "/countries/all/#{params[:other]}" : '/countries/all' }
 
       match '/:locale/*file.:format', :to => 'files#show', :file => /path\/to\/existing\/file/
@@ -2128,6 +2130,12 @@ def test_nested_resource_constraints
     assert_raises(ActionController::RoutingError){ list_todo_path(:list_id => '2', :id => '1') }
   end
 
+  def test_controller_has_leading_slash_removed
+    get '/feeds/twitter.xml'
+    assert_equal 'api/feeds#show', @response.body
+    assert_equal '/feeds/twitter.xml', feed_path(:service => 'twitter', :format => 'xml')
+  end
+
 private
   def with_test_routes
     yield