simple_factory_builder.rb

class SimpleFactoryBuilder
  def self.build_factories( klass, field_for_factory_name, *excluded )
    attributes = klass.new.attributes
    excluded.each { |e| attributes.symbolize_keys!.delete(e.to_sym) }
    klass.all.each do |row|
      attributes_string = ""
      attributes.each_key do |key|
        attributes_string << factory_attribute_row(row, key)
      end
      factory = <<-STRING
Factory.define #{':' + (klass.to_s.underscore + '_' + row[field_for_factory_name.to_s.to_sym].to_s).to_s.downcase}, :class => #{klass} do |f|
#{attributes_string}end

      STRING
      print factory
    end
  end

  private

  def self.factory_attribute_row(row, key)
    value = row[key.to_sym]
    if value.is_a? String
      value = '"' + value + '"'
    end
    return "  f.#{key.to_s} #{value}\n"
  end

end