Pass :as to resources to change the resource name

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -328,13 +328,14 @@ module ActionDispatch
 
           def initialize(entities, options = {})
             entities = entities.to_s
+            @options = options
 
             @plural   = entities.pluralize
             @singular = entities.singularize
           end
 
           def name
-            plural
+            @options[:as] || plural
           end
 
           def controller
@@ -360,7 +361,7 @@ module ActionDispatch
           end
 
           def name
-            singular
+            @options[:as] || singular
           end
         end
 
@@ -373,7 +374,7 @@ module ActionDispatch
             return self
           end
 
-          resource = SingletonResource.new(resources.pop)
+          resource = SingletonResource.new(resources.pop, options)
 
           if @scope[:scope_level] == :resources
             nested do
@@ -407,7 +408,7 @@ module ActionDispatch
             return self
           end
 
-          resource = Resource.new(resources.pop)
+          resource = Resource.new(resources.pop, options)
 
           if @scope[:scope_level] == :resources
             nested do

actionpack/test/dispatch/routing_test.rb

@@ -109,6 +109,12 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
         end
       end
 
+      namespace :forum do
+        resources :products, :as => '' do
+          resources :questions
+        end
+      end
+
       controller :articles do
         scope '/articles', :name_prefix => 'article' do
           scope :path => '/:title', :title => /[a-z]+/, :as => :with_title do
@@ -441,6 +447,26 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
+  def test_forum_products
+    with_test_routes do
+      get '/forum'
+      assert_equal 'forum/products#index', @response.body
+      assert_equal '/forum', forum_products_path
+
+      get '/forum/basecamp'
+      assert_equal 'forum/products#show', @response.body
+      assert_equal '/forum/basecamp', forum_product_path(:id => 'basecamp')
+
+      get '/forum/basecamp/questions'
+      assert_equal 'forum/questions#index', @response.body
+      assert_equal '/forum/basecamp/questions', forum_product_questions_path(:product_id => 'basecamp')
+
+      get '/forum/basecamp/questions/1'
+      assert_equal 'forum/questions#show', @response.body
+      assert_equal '/forum/basecamp/questions/1', forum_product_question_path(:product_id => 'basecamp', :id => 1)
+    end
+  end
+
   def test_articles_perma
     with_test_routes do
       get '/articles/2009/08/18/rails-3'