Add AMS support to AR objects

test/fixtures/poro.rb

@@ -0,0 +1,24 @@
+class Model
+  include ActiveModel::SerializerSupport
+
+  def initialize(hash={})
+    @attributes = hash
+  end
+
+  def read_attribute_for_serialization(name)
+    @attributes[name]
+  end
+end
+
+class ModelSerializer < ActiveModel::Serializer
+  attributes :attr1, :attr2
+
+  def attr2
+    attr2 = object.read_attribute_for_serialization(:attr2)
+    if scope
+      attr2 + '-' + scope
+    else
+      attr2
+    end
+  end
+end