TDD fundamentals

Introductory talk to TDD, directed for an audience that knew some Ruby but was not familiar with TDD. The talk was followed by short hands-on exercise.

Presented at: Bogotá Ruby meetup

Transcript

1. TDD
 Fundamentals
2. Sebastián Sogamoso
 
 sebasoga
3. I work at
4. TDD
 Test Driven Development
5. “If it's worth building, it's worth testing.”
 
 “If it's not worth testing, why are you wasting your time working on it?”
6. Three Rules of TDD 1. You are not allowed to write any production code unless it is to make a failing unit test pass.
7. Three Rules of TDD ! 2. You are not allowed to write any more of a unit test than is sufficient to fail; and compilation failures are failures.
8. Three Rules of TDD ! 3. You are not allowed to write any more production code than is sufficient to pass the one failing unit test.
11. Why?
14. Without TDD
16. With TDD
17. Sin TDD
18. Without TDD
20. With TDD
21. Sin TDD
22. + TDD
23. Minitest, built in Ruby
24. TestUnit, default in Rails
25. RSpec, most used
26. Hands on git@github.com:sebasoga/ stack.git
27. Thanks!
 
 sebasoga