theodi/odi_content_models — pull request #44 by pezholio (2013-11-01 09:35:56+00:00)
Title: Stop errors when attachment file is nil

Probably one for @floppy to review on Monday, but this seems to work. The tests I'm not quite sure about though. Could probably be
a bit more rigorous (I never really have got my head around mocks).