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_11

11. Shared Examples

Daniel Irvine¹  

(1)

London, UK

 

With our test runner in an extremely functional state, it’s time to look at some more interesting features.

In this chapter we’ll implement a pair of functions: the describe.shared function and the it.behavesLike function. They can be used to apply a test suite to multiple different objects, each of which is expected to implement the same behavior.

By the end of the chapter, you’ll have discovered

• The various methods of reuse that are available to test suites

• How to build variants of describe and it on top of the existing test runner ...