Start TDDing in 5 minutes

TDD is awesome, but can be scary. Learn how to start practicing it in 5 minutes by fixing bugs, so we can kill two birds with one stone!

Transcript

1. Start TDDing in 5 minutes
2. About me Matheus Richard module Matheus def self.working_at() = "thoughtbot - Software Engineer" def self.blogging_at() = "https://matheusrich.com" def self.github_profile() = "@MatheusRich" def self.twitter() = "@MatheusRich" def self.other_hobbies() = %w[Gaming Playing\ guitar Skating] def self.studying() = %w[Crystal Rust] end
3. TDD is awesome! 😎
4. TDD is awesome! But can be scary. 😎 😰
5. Oh, no! 🐛 You got a bug in production! 🐛
6. 💸 The famous Billion Dollar Mistake
8. Let’s start with a test It has to reproduce the same error we saw earlier
10. We run our test and...
11. 💥 BOOM!
12. Now, make it pass!
14. 🤞 We run our test and...
15. ✔ We’re green!
16. 🤔 We TDDed, so…?
17. 🐛 We’ve fixed the bug 💥
18. 👍 We’ve added a test confirming our fix!
19. TL;DR 1. 🐛 Identify the bug;
20. TL;DR 1. 🐛 Identify the bug; 2. ❌ Write a test that reproduces the error;
21. TL;DR 1. 🐛 Identify the bug; 2. ❌ Write a test that reproduces the error; 3. ✨ Fix the bug;
22. TL;DR 1. 🐛 Identify the bug; 2. ❌ Write a test that reproduces the error; 3. ✨ Fix the bug; 4. ✔ Watch the test pass.
23. That’s it! ➜ ~ Question.any? @MatheusRich www.matheusrich.com