Rails - Feb 2006 - sqlite in-memory database for testing

I managed to get this working yesterday on one of our projects.

I''ve written up detailed explanation here[1]

I hope this is of some use to someone else; let me know either way 
(especially if I''ve screwed up).

Chris

[1] 
http://blog.seagul.co.uk/articles/2006/02/08/in-memory-sqlite-database-for-rails-testing