Assert Packages

Assert functions for Typescript and Javascript.

Assert a given string is a valid Github issue label name

Fluent and extensible assertions for jasmine unit tests

A tiny assertion lib for both nodejs and the browser.

Simple utilities for testing types.

A simple assertions counter for asynchronous code testing

A collection of simple runtime assertions inspired by Facebook's invariant and warning.

Assertion with Sets

node `assert` is deprecated in favour of `assert.strict`, but `commonjs-assert` doesn't support strict mode. Get the strictest assert possible today!

Assert functions for comparing texts line by line

JavaScript mocking library with super-simple syntax

assertassert, for when your company can't decide on a testing framework

assert utility for writing to stream.

Assert that a value is an array

Throw an exception if your callback is called synchronously

A set of helpers to test ask projects.

Type assertion utility for method arguments.

A plugin for chai to allow you to test what is bollocks and what is the dog's bollocks.

Empowers chai's assertions using es6 proxy

Chai plugin for asserting JSend responses.