Fix ActiveRecord::NamedScope::Scope#respond_to? [#818 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/named_scope.rb b/activerecord/lib/active_record/named_scope.rb
index d5a1c5fe08..0902018155 100644
--- a/activerecord/lib/active_record/named_scope.rb
+++ b/activerecord/lib/active_record/named_scope.rb
@@ -103,7 +103,7 @@ module ActiveRecord
       attr_reader :proxy_scope, :proxy_options
 
       [].methods.each do |m|
-        unless m =~ /(^__|^nil\?|^send|^object_id$|class|extend|find|count|sum|average|maximum|minimum|paginate|first|last|empty?|any?)/
+        unless m =~ /(^__|^nil\?|^send|^object_id$|class|extend|find|count|sum|average|maximum|minimum|paginate|first|last|empty?|any?|respond_to?)/
           delegate m, :to => :proxy_found
         end
       end
@@ -140,6 +140,10 @@ module ActiveRecord
         @found ? @found.empty? : count.zero?
       end
 
+      def respond_to?(method)
+        super || @proxy_scope.respond_to?(method)
+      end
+
       def any?
         if block_given?
           proxy_found.any? { |*block_args| yield(*block_args) }