Chapter 1:
- When you’re satisfied with how your test functions to a web application such as Flickr are working and you then move to encapsulate the code into a reusable form, make sure you follow Simple Rule #1: rather than spending a considerable amount of time hacking, tearing apart, and picking to pieces the code when your new library doesn’t work, first check to make sure that the service hasn’t stopped running due to a scheduled downtime between the last test of the old code and the first test of the new.