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.

Transform runtypes type to jsverify arbitrary for generate sample of data

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

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.

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

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

fp-ts but QuickCheck (partial port)

Mocha-style wrapper for fast-check property testing

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

Generate arbitrary mdast with fast check

A demo application to demonstrate property based testing in TypeScript