Note: AI generated.
| Feature | node:test | Mocha | Jest | Vitest | AVA |
|---|---|---|---|---|---|
| Installation | ✅ Built-in (Node 18+) | npm install |
npm install |
npm install |
npm install |
| Dependencies | 0 | 1 | ~20 (with deps) | ~15 (with deps) | 1 |
| Bundle Size | 0 KB | ~500 KB | ~15 MB | ~8 MB | ~300 KB |
| Setup Time | < 1 min | ~5 min | ~10 min | ~5 min | ~5 min |
| Node Version | 18+ (22+ recommended) | Any | Any | Any | 14+ |
| Test Syntax | describe/it |
describe/it |
describe/it |
describe/it |
test() |
| Assertions | node:assert |
Bring your own | Built-in | Built-in | Built-in |
| Mocking | ✅ Built-in | ❌ Need Sinon | ✅ Built-in | ✅ Built-in | ❌ Need Sinon |
| Module Mocking | ✅ (experimental) | ❌ Need Proxyquire | ✅ | ✅ | ❌ |
| Fake Timers | ✅ Built-in | ❌ Need Sinon | ✅ Built-in | ✅ Built-in | ❌ |
| Snapshots | ✅ Built-in | ❌ | ✅ | ✅ | ✅ |
| Coverage | ✅ Native or nyc | ❌ Need nyc | ✅ Built-in | ✅ Built-in | ❌ Need nyc |
| Watch Mode | ✅ --watch |
✅ | ✅ | ✅ | ✅ |
| Parallel Tests | ✅ | ✅ | ✅ | ✅ | ✅ Default |
| TypeScript | ✅ (with ts-node) | ✅ | ✅ Native | ✅ Native | ✅ |
| ESM Support | ✅ Native | ✅ | ✅ | ✅ Native | ✅ |
| Speed | ⚡ Fast | Fast | Medium | ⚡ Very Fast | Fast |
| Maturity | 🟡 2-3 years | ✅ 10+ years | ✅ 7+ years | 🟡 2+ years | ✅ 7+ years |
| Community | Growing | Large | Huge | Growing | Medium |
| Documentation | Good | Excellent | Excellent | Good | Good |
| Maintenance | Node.js team | Community | Meta (Facebook) | Community | Community |
| Security Risk | ✅ Zero deps | 🟡 Few deps | 🔴 Many deps | 🟡 Medium deps | ✅ Few deps |
| Best For | New Node projects | Flexibility | React/Frontend | Vite projects | Simple tests |