Eris
5.3#24 in property-based testing toolsSelf-hosted
VisitEris vs JSVerify
What both publish
| Fact | Eris | JSVerify |
|---|---|---|
| Installation | The README gives Composer as the installation method and shows the command composer require --dev giorgiosironi/eris. | The project README instructs users to install the module with npm install jsverify. |
| License | The repository identifies the project as MIT licensed. | The GitHub repository identifies the project license as MIT. |
| Maintainer | The project documentation credits Giorgio Sironi. | The official site says the project is maintained by phadej. |
| Purpose | Eris brings QuickCheck-style property-based testing to PHP and PHPUnit. | JSVerify is a property-based testing library for JavaScript, inspired by QuickCheck. |
| Reproducibility | When Eris is used outside PHPUnit, the documentation says reproducibility can be obtained by setting the ERIS_SEED environment variable. | The README says test runs can be reproduced using a particular random generator state. |
Eris plans
No prices published.
JSVerify plans
- JSVerifyFree
Pick Eris if…
Eris suits PHP developers using PHPUnit who want generated property tests, shrinking of failed assertions, and reproducible runs. It can also serve scripts or other testing frameworks as a random-data library.
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.