Improve Coverage

lib/active_model/serializer/adapter/base.rb

@@ -7,9 +7,11 @@ module ActiveModel
           deprecate :inherited, 'ActiveModelSerializers::Adapter::Base.'
         end
 
+        # :nocov:
         def initialize(serializer, options = {})
           super(ActiveModelSerializers::Adapter::Base.new(serializer, options))
         end
+        # :nocov:
       end
     end
   end

lib/active_model/serializer/belongs_to_reflection.rb

@@ -2,9 +2,6 @@ module ActiveModel
   class Serializer
     # @api private
     class BelongsToReflection < SingularReflection
-      def macro
-        :belongs_to
-      end
     end
   end
 end

lib/active_model/serializer/has_many_reflection.rb

@@ -2,9 +2,6 @@ module ActiveModel
   class Serializer
     # @api private
     class HasManyReflection < CollectionReflection
-      def macro
-        :has_many
-      end
     end
   end
 end

lib/active_model/serializer/has_one_reflection.rb

@@ -2,9 +2,6 @@ module ActiveModel
   class Serializer
     # @api private
     class HasOneReflection < SingularReflection
-      def macro
-        :has_one
-      end
     end
   end
 end