Refactoring to Testable Code

Welcome to the Lab Workbook

This online workbook contains the lab exercises that you will work on throughout the class. If anything is unclear, or you're not sure what to do, please don't hesitate to ask.

Working on Labs

Make sure to read the labs carefully, it's easy to miss important points. When you see a Stop Sign (like this: ), then stop and don't move ahead to the next section until you're told it's OK.

While it's tempting to jump ahead, the exercises are designed to be done in a specific order.

Let's Get Started!

Choose the starting point based on which class you're taking:

Refactoring to Testable Code (aka Part 1: Code & Design)

For this class, start here

Refactoring to Hexagonal Architecture (aka Part 2: Design & Architecture)

For this class, start here.