factory.rb

class Generate
  def self.user(attributes = {})
    key = ActiveSupport::SecureRandom.hex(16)
    
    user = User.new(attributes.reverse_merge({
      :first_name             => "John",
      :last_name              => "Doe",
      :password               => "password",
      :password_confirmation  => "password",
      :active                 => true,
      :username               => key,
      :email_address          => "#{key}@test.com"
    }))
    
    default_privileges = (["has_account"] << attributes.delete(:privileges)).compact.uniq
    role = Role.find_or_create_by_name(attributes.delete(:role) || "user")
    
    privs = []
    default_privileges.each {|p| privs << Privilege.find_or_create_by_name(p)}
    
    user.role = role
    role.privileges << privs
    
    user.save!
    user
  end
end