loads of useful assert functions in one package

Lazy assertions without performance penalty

Extends Chai with assertions about promises.

Extra assertions on top of node's assert module

Assertions for graphology.

Type assertions aka less-broken `typeof`

Extends Chai with assertions for the Sinon.JS mocking framework.

test framework agnostic BDD-style assertions

OpenAPI Assertions plugin for Japa

Assertions to test your TypeScript types.

A Hardhat plugin that adds test assertions for Viem

Expectations and assertions for HTTP scenarios

Common assertions for Bats

file system assertions for chai

Chai.js assertions for enzyme

Type assertions aka less-broken typeof.

A tiny runtime library for type assertions

Better assertions for node, reporting the expr, filename, lineno etc

High Level DOM Assertions for QUnit

Assertions and Validations for TypeScript