Learning to Program

Set Up Tests for Kittenbook

There’s something about the testSum example that I really don’t like. I think the unit tests are good, and I think the example does a good job of demonstrating what types of components to include in a unit test. The problem is that testSum does a great job of teaching the basics of unit testing, but it doesn’t show you how to test real code. Unit tests for a sum function might not be hard to write, but how would you write tests for a real program such as kittenbook?

The first step is to think about the kittenbook code in units. The entire kittenbook project is a lot more complex than sum, but each unit (function) can be just as simple. In fact, this is one of the big advantages of writing unit tests: For code to be ...