Here’s some resources that made me a better programmer or person. I hope they help you as well!
- (book) xUnit Test Patterns
- (book) Refactoring
- (book) How Google Tests Software
- (book) Xunit Testing Patterns
- (talk) testing and testability in python
- (talk) Designing Poetic APIs – PyCon 2014
- (Podcast) History of Junit + Future of Testing with Kent Beck