Unit Testing with Jest/Vitest — Roadmap Step & Resources

Writing and running unit tests, mocks and assertions

Before this step

Getting Started (Article) — The official Jest documentation for writing and running unit tests in JavaScript.
Jest Crash Course (Video) — Traversy Media's crash course covering Jest fundamentals: matchers, mocks and test structure.
Complete MongoDB Tutorial (Article) — The official Angular documentation on writing unit tests with Jasmine and the TestBed.
Testing Guide (Article) — The official Vue.js documentation's guide to testing, recommending Vitest for unit tests.
Testing (Article) — The official React Native documentation's overview of testing tools including Jest.
Black Box and White Box Testing Techniques - A Literature Review — ResearchGate/AIRCC PDF (unit, integration, system testing definitions) (PDF) — Black Box and White Box Testing Techniques - A Literature Review — ResearchGate/AIRCC PDF (unit, integration, system testing definitions) — resource aligned with Unit Testing.
White Box vs Black Box Testing | Software Engineering — Gate Smashers (Video) — White Box vs Black Box Testing | Software Engineering — Gate Smashers — resource aligned with Unit Testing.
Testing Library Documentation (Article) — The official Testing Library documentation, commonly paired with Jest for testing React components.
Using Matchers (Article) — Official Jest documentation detailing assertions, truthiness, numbers, strings, and exceptions.