> ## Documentation Index
> Fetch the complete documentation index at: https://swe.aboneda.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Jest Fundamentals

> Core concepts of Jest — test runner, matchers, and configuration.

# Jest Fundamentals

A structured approach to mastering Jest for frontend JavaScript/TypeScript testing.

## Topics to Cover

* **Component Testing** — render, screen queries, user events
* **Mocking & Spying** — jest.fn, jest.mock, module mocking
* **Async Testing** — Promises, timers, waitFor
* **Snapshots** — Snapshot testing, inline snapshots