Quality Code: Software Testing Principles, Practices, and Patterns

The Testing Strategy

Now that we have a handle on the intent of the singleton, we can focus on the value added by that intent. Given that we have two separate sets of intent, we can try to focus on testing the intents separately and hopefully simplify our testing problem.

A Word on Difficult-to-Test Designs

When you encounter a design that is hard to test, you should get in the habit of asking yourself whether or not there is a simpler, more testable design that will suffice. It always amazes me how much code can be eliminated and how much simpler a system can be when this question is asked.

One of the hidden and less recognized benefits of test-first approaches is the simplification to the system that occurs in the process. And when the production ...