Fix rake routes for api apps

Signed-off-by: Santiago Pastorino <santiago@wyeworks.com>

2 files changed, 21 insertions, 1 deletions

diff --git a/actionpack/lib/action_dispatch/routing/inspector.rb b/actionpack/lib/action_dispatch/routing/inspector.rb
index c513737fc2..bd6940fd47 100644
--- a/actionpack/lib/action_dispatch/routing/inspector.rb
+++ b/actionpack/lib/action_dispatch/routing/inspector.rb
@@ -45,7 +45,11 @@ module ActionDispatch
       end
 
       def internal?
-        controller.to_s =~ %r{\Arails/(info|mailers|welcome)} || path =~ %r{\A#{Rails.application.config.assets.prefix}\z}
+        internal_controller = controller.to_s =~ %r{\arails/(info|mailers|welcome)}
+        internal_asset = Rails.application.config.respond_to?(:assets) &&
+          path =~ %r{\a#{Rails.application.config.assets.prefix}\z}
+
+        internal_controller || internal_asset
       end
 
       def engine?
diff --git a/actionpack/test/dispatch/routing/inspector_test.rb b/actionpack/test/dispatch/routing/inspector_test.rb
index 3df022c64b..4047214843 100644
--- a/actionpack/test/dispatch/routing/inspector_test.rb
+++ b/actionpack/test/dispatch/routing/inspector_test.rb
@@ -313,6 +313,22 @@ module ActionDispatch
         assert_equal ["Prefix Verb URI Pattern            Controller#Action",
                       "       GET  /:controller(/:action) (?-mix:api\\/[^\\/]+)#:action"], output
       end
+
+      def test_inspect_routes_shows_resources_route_when_assets_disabled
+        @set = ActionDispatch::Routing::RouteSet.new
+        app = ActiveSupport::OrderedOptions.new
+
+        Rails.stubs(:application).returns(app)
+
+        output = draw do
+          get '/cart', to: 'cart#show'
+        end
+
+        assert_equal [
+          "Prefix Verb URI Pattern     Controller#Action",
+          "  cart GET  /cart(.:format) cart#show"
+        ], output
+      end
     end
   end
 end