jest
Jest Testing Framework
Comprehensive Jest testing guide for JavaScript and TypeScript projects.
Quick Reference
| Command | Purpose |
|---|---|
jest |
Run all tests |
jest --watch |
Watch mode |
jest --coverage |
Generate coverage |
jest path/to/test |
Run specific test |
jest -t "pattern" |
Run matching tests |
jest --updateSnapshot |
Update snapshots |
1. Setup
Installation
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