Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

Curried Type Testing library, and Test Matchers for Jest

fp-ts type class laws for property based testing

A library for generative, property-based testing in TypeScript and Jest.

NaNofuzz is a fast and easy-to-use automatic test suite generator for TypeScript that runs inside VS Code

Transform runtypes type to jsverify arbitrary for generate sample of data

Write contract once. Get data & function validators & conformers, an accurate & readable project contract, auto-generated API documentation, generative test coverage, plus more. A tool that enables a more predictable workflow for developing your JavaScript projects.

Generate fast-check arbitraries from Valibot schemas for property-based testing

Model Based Testing of the App Based On The Description from Constructing the User Interface with Statecharts Book of Ian Horrocks using XState. Liked By XState Creator

fast-check over @testjs/testing

A small collection of useful utilities

Create random data from a Yup schema

Contract bridge system analysis tool for making the most out of your system book.

Framework for property-based testing in JavaScript, TypeScript, JSX, and TSX.

[UNFINISHED] Property-base testing for TypeScript

Generate arbitrary mdast with fast check

fp-ts but QuickCheck (partial port)

Mocha-style wrapper for fast-check property testing

Set of tools and helpers to help JSVerify users to migrate to fast-check

Starter project for kata with Property-Based Testing (Node, TypeScript, Jest, JSVerify)