Jest
Jest is a delightful JavaScript testing framework focused on simplicity.
Our verdict
Who it's for
Fast, reliable JavaScript testing with zero config
Who should look elsewhere
ESM support issues
Pros
- +Zero configuration
- +Snapshot testing
- +Fast and parallel
Cons
- −ESM support issues
- −Can be slow on large projects
Key features
- ✓Test runner
- ✓Assertions
- ✓Mocking
- ✓Coverage
- ✓Snapshots
- ✓Watch mode
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free (Open Source) | $0 | month | Full testing framework; Snapshot testing; Mocking support |