Lightest, yet Fastest Javascript test runner for nodejs and browsers

The Type Linter for JS

continuous assertion monitoring

Assert deeply nested values in Jest

Extremely simple to use test framework and runner for Metarhia technology stack 🧪

Assertions for use with RxJS and Unexpected

Babel Plugin that adds safety to your tests by verifying assertions are actually ran 🃏⁉️

🚦 a BDD assertion style unit testing framework for JSONNET through an 'expect' interface

Atom snippet package for general expect statements based on the npm expect package https://github.com/mjackson/expect

A helper JavaScript library with useful functions and polyfills and zero dependencies. Supported in browsers and Node.js.

Test whether a string contains only hexadecimal digits.

Mocha reporter that check the number of assertions

Test if a value is a skew-persymmetric matrix.

Chai assertion to check dates in the ISO-8601 format.

Test if a value is a URI.

Test if a value is array-like.

Test if a value is a Uint8Array.

Check if the runtime is the Electron renderer process.

Test if an object has a specified method name, either own or inherited.

Test if a value is a number having a nonpositive integer value.