Provive resources_path_names helpers in the router.

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -577,6 +577,10 @@ module ActionDispatch
           @scope[:path_names] = @set.resources_path_names
         end
 
+        def resources_path_names(options)
+          @scope[:path_names].merge!(options)
+        end
+
         def resource(*resources, &block)
           options = resources.extract_options!
           options = (@scope[:options] || {}).merge(options)

actionpack/test/dispatch/routing_test.rb

@@ -16,6 +16,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     Routes = routes
     Routes.draw do
       default_url_options :host => "rubyonrails.org"
+      resources_path_names :correlation_indexes => "info_about_correlation_indexes"
 
       controller :sessions do
         get  'login' => :new
@@ -86,6 +87,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
 
       resources :projects, :controller => :project do
         resources :involvements, :attachments
+        get :correlation_indexes, :on => :collection
 
         resources :participants do
           put :update_all, :on => :collection
@@ -112,6 +114,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
           end
 
           member do
+            get  :some_path_with_name
             put  :accessible_projects
             post :resend, :generate_new_password
           end
@@ -710,6 +713,14 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
+  def test_projects_with_resources_path_names
+    with_test_routes do
+      get '/projects/info_about_correlation_indexes'
+      assert_equal 'project#correlation_indexes', @response.body
+      assert_equal '/projects/info_about_correlation_indexes', correlation_indexes_projects_path
+    end
+  end
+
   def test_projects_posts
     with_test_routes do
       get '/projects/1/posts'