JSVerify
6.4#4 in property-based testing toolsFree planFree planWebSelf-hosted
VisitJSVerify vs QCheck
What both publish
| Fact | JSVerify | QCheck |
|---|---|---|
| Counterexamples | When a property fails, JSVerify attempts to find the smallest possible counterexample. | Generators can be paired with printers and shrinkers to display and minimize counterexamples when a property fails. |
| Installation | The project README instructs users to install the module with npm install jsverify. | QCheck can be installed through opam, and the README recommends qcheck-core for a minimal dependency set. |
| License | The GitHub repository identifies the project license as MIT. | The repository identifies its license as BSD-2-Clause and says the code is released under the BSD license. |
| Maintainer | The official site says the project is maintained by phadej. | The project page says it is maintained by c-cube, whose GitHub profile identifies Simon Cruanes. |
| Purpose | JSVerify is a property-based testing library for JavaScript, inspired by QuickCheck. | QCheck is a QuickCheck-inspired property-based testing library for OCaml. |
JSVerify plans
- JSVerifyFree
QCheck plans
- QCheckFree
Pick JSVerify if…
JSVerify suits JavaScript developers who want generated inputs to check function properties, including asynchronous ones. It may also fit TypeScript projects that can work within the limitation on the type DSL in specs.
Pick QCheck if…
QCheck suits OCaml developers who want to test properties over generated inputs rather than rely only on individual examples. Its runner and integration packages cover projects using OUnit or Alcotest.