Bad Programming Practices 101: Become a Better Coder by Learning How (Not) to Program

© Karl Beecher 2018

Karl BeecherBad Programming Practices 101https://doi.org/10.1007/978-1-4842-3411-2_10

10. Testing

Karl Beecher¹ 

(1)

Berlin, Germany

 

Objectives

In this chapter, you’ll learn:

• How to protect your code from tests that threaten to reveal bugs, in particular by

  • retaining authorship of tests;

  • doing the bare minimum necessary; and

  • writing untestable programs.

• How to write tests that cause havoc for your colleagues, in particular by

  • making a test’s success dependent on its environment;

  • creating work for testers by unnecessarily widening the focus of a test; and

  • adding volatile, uncontrollable elements.

Prerequisites

Before reading this chapter, it will help if you’re familiar with the following:

• The basic concepts of unit testing and integration ...