TDD

A way of working: first you write the tests that describe what the program must do, then the code that makes them pass.

How it appears in the course

TDD: tests first, which fail; you save them; then the program, without changing the tests.

Key takeaways · Module 04, The working method, step by step

Build a function with TDD: tests first, then the program.

Try it yourself · Module 04, The working method, step by step

In module 04 · The working method, step by step, in the Claude Code for Beginners course.

12 modules with 1–2 minute lessons, which you can also do on your phone. The first two modules are free.