Build Your Own Test Framework: A Practical Guide to Writing Better Automated Tests

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023

D. IrvineBuild Your Own Test Frameworkhttps://doi.org/10.1007/978-1-4842-9247-1_1

1. Creating a Barebones Test Runner

Daniel Irvine¹  

(1)

London, UK

 

In this chapter, you’ll learn all about test runners: what they are, why they exist, and how to build one for the Node runtime environment.

At the highest level, the test runner is the piece of software that does exactly what it says: it runs (or executes) your tests (also known as test cases). The input to your test runner will be your test files, and its output will be a test report showing how your test cases performed.

By the end of this chapter, you’ll have learned the following:

• How the practice of unit testing ...