factory_girl_sequence_inheritance_attribute

> rails g scaffold User name:string description:string

# factories.rb
Factory.sequence :name do |i| 
  "Test User #{i}"
end

Factory.define :user do |u|
  u.name { Factory.next :name }
  u.description 'This is my description'
end

Factory.define :admin, :parent => :user do |u|
  u.description{ |user| "admin description #{user.name}" }
end


# user_spec.rb

require 'spec_helper'

describe User do
  #self.use_transactional_fixtures = false

  context :admin do
    it "should have a valid name" do
      Factory.create(:admin).name.should =~ /Test User \d+/
    end

    it "should have a valid description" do
      Factory.build(:admin).description.should =~ /admin description Test User \d+/
    end
  end
end