Allow class methods to be sent (via #send) to association proxy (fix for bug introduced by 691aa20) [#1083]

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

activerecord/lib/active_record/associations/association_collection.rb

@@ -320,6 +320,10 @@ module ActiveRecord
         exists?(record)
       end
 
+      def proxy_respond_to?(method)
+        super || @reflection.klass.respond_to?(method)
+      end
+
       protected
         def construct_find_options!(options)
         end

activerecord/test/cases/associations/has_many_associations_test.rb

@@ -1080,5 +1080,9 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     end
   end
 
+  def test_sending_new_to_association_proxy_should_have_same_effect_as_calling_new
+    clients_assoc = companies(:first_firm).clients
+    assert_equal clients_assoc.new.attributes, clients_assoc.send(:new).attributes
+  end
 end