require 'active_record' ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ':memory:' ) ActiveRecord::Schema.define do create_table :ar_profiles, :force => true do |t| t.string :name t.string :description t.string :comments end end class ARProfile < ActiveRecord::Base end class ARProfileSerializer < ActiveModel::Serializer attributes :name, :description end