Harry Percival - TDD with Django
started with: https://www.youtube.com/watch?v=vQjmz9wCjLA
ended with: http://chimera.labs.oreilly.com/books/1234000000754/index.html
I would advise anyone interested in learning TDD to do the same its very informative. One could even call it a website kata walk through also check out PillarTry out it has a link to some TDD katas (not web) but good practice