rails console で [email protected](main)> model.first.to_fg

to_factory_girl.rb

class ActiveRecord::Base
  def to_factory_girl
    ignores = %w(id created_at updated_at)
    array = []
    array << "FactoryGirl.define do"
    array << "  factory :#{self.class.model_name.underscore} do"
    attributes.each do |key, value|
      next if ignores.include?(key)
      if key =~ /_id$/
        array << "    association :#{key.gsub(/_id$/, '')}"
      else
        array << "    #{key} #{value.inspect}"
      end
    end
    array << "  end"
    array << "end"
    array.join("\n")
  end
  alias_method :to_fg, :to_factory_girl
end