1 files changed, 12 insertions, 0 deletions
diff --git a/actionview/lib/action_view/test_case.rb b/actionview/lib/action_view/test_case.rb
index efe8c87b9b..6913c31a20 100644
--- a/actionview/lib/action_view/test_case.rb
+++ b/actionview/lib/action_view/test_case.rb
@@ -281,6 +281,18 @@ module ActionView
           super
         end
       end
+
+      def respond_to_missing?(name, include_private = false)
+        begin
+          routes = @controller.respond_to?(:_routes) && @controller._routes
+        rescue
+          # Dont call routes, if there is an error on _routes call
+        end
+
+        routes &&
+          (routes.named_routes.route_defined?(name) ||
+           routes.mounted_helpers.method_defined?(name))
+      end
     end
 
     include Behavior