fast-check
7.1#1 in property-based testing toolsFree planFree planWebAPILinuxSelf-hosted
Visitfast-check vs Rapid
What both publish
| Fact | fast-check | Rapid |
|---|---|---|
| Configuration | Users can configure runs, seeds, generated value sizes, time limits, and result reporting globally or per assertion. | Rapid's options can be set with flags prefixed -rapid. or corresponding RAPID_ environment variables. |
fast-check plans
- fast-checkFree
Rapid plans
- RapidFree
Pick fast-check if…
It suits JavaScript and TypeScript developers who want to check behavior across generated inputs, including stateful scenarios. Its runner-agnostic design can fit projects using a range of test runners.
Pick Rapid if…
Rapid suits Go developers who want generated test cases for checking properties, especially for structured data or state machine tests. It may be less suited to those who need coverage-guided feedback or mutations.