it{should have_key(:name, String) } it{should have_keys(:name, :phone_number, String) } it{should validate_presence_of(:name, :phone_number, :message => "not there!") } it{should belong_to(:user, :class_name => 'Person') } it{should have_many(:users, :class_name => 'Person', :polymorphic => true) }