Speaker: Harry Percival An intermediate-level Test-Driven-Development workshop, presented as a hands-on exploration of ""outside-in"" TDD, in the style of a code-dojo code kata. Will include discussion of ""double-loop"" BDD/TDD, outside-in vs inside-out, a detailed discussion of the pros + cons of mocking, test isolation, letting the tests drive design, and what are tests for anyway? Slides can be found at: https://speakerdeck.com/pycon2016 and https://github.com/PyCon/2016-slides