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jest-cli
Delightful JavaScript Testing.
@jest/core
Delightful JavaScript Testing.
jest
Delightful JavaScript Testing.
axe-core
Accessibility engine for automated Web UI testing
memfs
In-memory file-system with Node's fs API.
deep-eql
Improved deep equality testing for Node.js and the browser.
chai
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
@testing-library/dom
Simple and complete DOM testing utilities that encourage good testing practices.
@testing-library/jest-dom
Custom jest matchers to test the state of the DOM
@testing-library/react
Simple and complete React DOM testing utilities that encourage good testing practices.
ts-jest
A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript
@testing-library/user-event
Fire events the same way the user does
mocha
simple, flexible, fun test framework
sinon
JavaScript test spies, stubs and mocks.
nise
Fake XHR and server
expect-type
[](https://github.com/mmkal/expect-type/actions/workflows/ci.yml)  [![X (formerly Twitter) Follow](https://img.shields.io/twitte
cypress
Cypress is a next generation front end testing tool built for the modern web
supertest
SuperAgent driven library for testing HTTP servers
@mswjs/interceptors
Low-level HTTP/HTTPS/XHR/fetch request interception library.
msw
Seamless REST/GraphQL API mocking library for browser and Node.js.