Require Contact#auth_info

#660

app/models/concerns/contact/transferable.rb

@@ -2,6 +2,7 @@ module Concerns::Contact::Transferable
   extend ActiveSupport::Concern
 
   included do
+    validates :auth_info, presence: true
     after_initialize :generate_auth_info, if: :new_record?
   end
 

test/models/contact_transfer_test.rb

@@ -6,6 +6,12 @@ class ContactTransferTest < ActiveSupport::TestCase
     @new_registrar = registrars(:goodnames)
   end
 
+  def test_rejects_absent_auth_info
+    @contact.auth_info = nil
+    @contact.validate
+    assert @contact.invalid?
+  end
+
   def test_generates_unique_auth_info_if_contact_is_new
     contact = Contact.new
     another_contact = Contact.new