Your First Tests with Vitest

A unit test is a few lines of code that check one piece of your code and shout when it breaks, and Vitest's describe, it and expect let you write one, run it and read the result.

Updated

Cheat sheet: Your First Tests with Vitest
Category
JavaScript
Level
Journeyman
Tags
"describe", "it and expect", "Red", "Green", "Refactor", Assertion (unit-testing), JavaScript, Test-Driven Development, Unit Test (javascript), unit testing, Vitest (javascript)