lib/rom/repository/relation_proxy.rb in rom-repository-1.0.0.rc1 vs lib/rom/repository/relation_proxy.rb in rom-repository-1.0.0.rc2

@@ -62,20 +62,22 @@
       #
       # @overload map_with(*mappers)
       #   Map tuples using registered mappers
       #
       #   @example
-      #     users.as(MyUserModel)
+      #     users.map_with(:my_mapper, :my_other_mapper)
       #
       #   @param [Array<Symbol>] mappers A list of mapper identifiers
       #
       # @return [RelationProxy] A new relation proxy with pipelined relation
       #
       # @api public
       def map_with(*names)
         if names.size == 1 && names[0].is_a?(Class)
           with(meta: meta.merge(model: names[0]))
+        elsif names.size > 1 && names.any? { |name| name.is_a?(Class) }
+          raise ArgumentError, 'using custom mappers and a model is not supported'
         else
           names.reduce(self) { |a, e| a >> relation.mappers[e] }
         end
       end
       alias_method :as, :map_with
@@ -223,10 +225,10 @@
             __new__(result)
           else
             result
           end
         else
-          super
+          raise NoMethodError, "undefined method `#{meth}' for #{relation.class.name}"
         end
       end
     end
   end
 end