Make sure nested singular resources get the correct name

[#3911 state:committed]

Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>

2 files changed, 14 insertions, 1 deletions

diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 52a8df4273..7a33259054 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -452,7 +452,10 @@ module ActionDispatch
 
           scope(:path => resource.name.to_s, :controller => resource.controller) do
             with_scope_level(:resource, resource) do
-              yield if block_given?
+
+              scope(:name_prefix => resource.name.to_s) do
+                yield if block_given?
+              end
 
               get    :show if resource.actions.include?(:show)
               post   :create if resource.actions.include?(:create)
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index 37c2f1421b..b46276c453 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -24,6 +24,8 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
 
       resource :session do
         get :create
+
+        resource :info
       end
 
       match 'account/logout' => redirect("/logout"), :as => :logout_redirect
@@ -234,6 +236,14 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
+  def test_session_info_nested_singleton_resource
+    with_test_routes do
+      get '/session/info'
+      assert_equal 'infos#show', @response.body
+      assert_equal '/session/info', session_info_path
+    end
+  end
+
   def test_redirect_modulo
     with_test_routes do
       get '/account/modulo/name'