Make sure namespaces are nested within resources

Signed-off-by: José Valim <jose.valim@gmail.com>

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -679,6 +679,14 @@ def nested
           end
         end
 
+        def namespace(path)
+          if @scope[:scope_level] == :resources
+            nested { super }
+          else
+            super
+          end
+        end
+
         def match(*args)
           options = args.extract_options!
 

actionpack/test/dispatch/routing_test.rb

@@ -144,6 +144,12 @@ def self.matches?(request)
 
       resources :sheep
 
+      resources :clients do
+        namespace :google do
+          resource :account
+        end
+      end
+
       match 'sprockets.js' => ::TestRoutingMapper::SprocketsApp
 
       match 'people/:id/update', :to => 'people#update', :as => :update_person
@@ -813,6 +819,15 @@ def test_nested_namespace
       assert_equal '/account/admin/subscription', account_admin_subscription_path
     end
   end
+
+  def test_namespace_nested_in_resources
+    with_test_routes do
+      get '/clients/1/google/account'
+      assert_equal '/clients/1/google/account', client_google_account_path(1)
+
+      assert_equal 'google/accounts#show', @response.body
+    end
+  end
 
   def test_articles_with_id
     with_test_routes do