JSPM

Delightful JavaScript Testing.

Improved deep equality testing for Node.js and the browser.

Delightful JavaScript Testing.

Delightful JavaScript Testing.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Accessibility engine for automated Web UI testing

In-memory file-system with Node's fs API.

Simple and complete DOM testing utilities that encourage good testing practices.

Custom jest matchers to test the state of the DOM

A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript

Simple and complete React DOM testing utilities that encourage good testing practices.

Fire events the same way the user does

[](https://github.com/mmkal/expect-type/actions/workflows/ci.yml)  [![X (formerly Twitter) Follow](https://img.shields.io/twitte

simple, flexible, fun test framework

SuperAgent driven library for testing HTTP servers

JavaScript test spies, stubs and mocks.

ESLint plugin to follow best practices and anticipate common mistakes when writing tests with Testing Library

Cypress is a next generation front end testing tool built for the modern web

Low-level HTTP/HTTPS/XHR/fetch request interception library.

Seamless REST/GraphQL API mocking library for browser and Node.js.

the Istanbul command line interface

Fake XHR and server

Property based testing framework for JavaScript (like QuickCheck)

Simple JavaScript testing framework for browsers and node.js

Spectacular Test Runner for JavaScript.

Simple and complete React hooks testing utilities that encourage good testing practices.

Adaptation of react-addons-shallow-compare, for independent usage

Extends Chai with assertions about promises.

JavaScript Testing utilities for React

The official WebDriver JavaScript bindings from the Selenium project

Additional Jest matchers

Easy and powerful mocking of AWS SDK v3 Clients

The official JavaScript implementation of Cucumber.

CLI for Jasmine, a simple JavaScript testing framework for browsers and Node

Allure JS Commons

Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container

Jest preset configuration for Angular projects

Simple and complete custom Cypress commands and utilities that encourage good testing practices.

Mock 'http' objects for testing Express, Next.js and Koa routing functions

Various type declarations used across Appium

Provides a method to inject and analyze web pages using axe

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

Mock http requests made using fetch

JavaScript Testing utilities for React

use querySelector syntax to search for nodes inside of (nested) shadow roots

WebDriverJS adapter for Jasmine2.

A selenium server and browser driver manager for your end to end tests.

A client for working with the BrowserStack APIs.

JavaScript Testing utilities for React

Mock implementation of the Next.js Router

Appium Configuration Schema

WebDriver Proxy for testing rich clients. It block certain calls until Angular is done updating the page under test.

Command-line companion utility for Postman

A plugin which adds additional commands to selenium's javascript implementation of the webdriver client side API

Wait for expectation to be true, useful for integration and end to end testing

convert enzyme wrapper to a format compatible with Jest snapshot

Support libs used across Appium packages

strings comparison matchers for chai

A Test-Anything-Protocol library for JavaScript

Testing module for Pinia

Allure Playwright integration

Node.js test runner that lets you develop with confidence.

A Universal Logger For The Appium Ecosystem

Nodejs bindings for BrowserStack Local

Base driver class for Appium drivers

Applitools universal framework wrapper

Applitools universal screenshoter for web and native applications

JavaScript Testing utilities for React

HeartBeat

Reusable utilities to help level up NestJS Testing

Shared TypeScript Config for Appium

An Angular testing library for creating mock services, components, directives, pipes and modules in unit tests. It provides shallow rendering, precise stubs to fake child dependencies. ng-mocks works with Angular 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

time utils

Custom Jest matchers for AWS SDK v3 Client mock

A library for setting up JavaScript factories to help build objects as test data, with full TypeScript support

Automation for Apps.

Documentation generation utilities for Appium and related projects

JavaScript Testing utilities for React

Simulate react-select events for react-testing-library

Given an object and a property, replaces a property descriptor (or deletes it), and returns a thunk to restore it.

PostgreSQL module for Testcontainers

Storybook Vitest addon: Blazing fast component testing using stories

A Karma plugin. Launcher for Firefox.

The base plugin used to create Appium plugins

Check if a process is running

A superset of the JSDOM environment for Jest that respects Node.js globals.

A client-side server to help you build, test and demo your JavaScript app

Power Assert feature enhancer for assert function/object

Parsing string to array of args like node on bash do.

<!-- markdownlint-disable MD024 -->

Android UiAutomator and Chrome support for Appium

Tools to support code coverage in Storybook

The Karma command line interface.

Test Redux Saga with an easy plan

Flush promises in tests

The powerful, easy-to-use testing framework.

The Mailosaur Node library lets you integrate email and SMS testing into your continuous integration process.

A set of tools for emulating browser behavior in jsdom environment

Temporal.io SDK Testing sub-package

Render React components in Vitest Browser Mode

Persistent storage for Appium extensions

Extends Cypress' cy commands with localStorage methods. Allows preserving localStorage between tests

An unofficial React 18 adapter for Enzyme, that you probably shouldn't use.

Simple and complete Svelte testing utilities that encourage good testing practices.

Redis module for Testcontainers

Integrate Vitest with Storybook

Automated browser testing for the modern web development stack.

Mock HTTP server for testing HTTP clients and stubbing webservices

Chai plugin for JSON Schema v4

A lightweight Jest mock for unit testing Express

AngularJS mocks for testing

Test'em 'scripts! Javascript Unit testing made easy.

A port of Node v6's internal _deepEqual function in a universal style

Run gherkin-syntaxed specs with cypress.io

Elastic synthetic monitoring agent

Power Assert output formatter

Pact for all things Javascript

Marble testing helpers for RxJS and Jasmine

Fake data generator

Power Assert in JavaScript

Power Assert feature enhancer for assert function/object

Supercharged End 2 End Testing Framework for NodeJS

Chai assertion that provides Jest's snapshot testing

Skip the rest of Cypress tests on first failure

Show some ❤️ to process errors

Test React components using Cypress

A function to test for identical deep equality (based on lodash's isEqual).

LocalStack module for Testcontainers

Cypress test reporter for CircleCI

Utility to make vitest tests fail when console.error() or console.warn() are used

Jest runner for Angular build facade. Allows ng test run with Jest instead of Karma

Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.

Preview your Jest tests in a browser

Validates a deep structured JSON pattern

Visual regression testing tool with cypress

Hardhat utils for testing

Testing Matchers for Enzyme

Runtime Environment for enzyme tests in jest

REST API Testing Tool for all levels in a Test Pyramid

Extends Chai with an assertion for deeply matching objects (i.e. subset equality checking)

mock stdout and stderr

A Test-Anything-Protocol library for JavaScript

Power Assert instrumentor from source to source, with source-map

WebDriver/Selenium 2 node.js client

React Apollo testing utilities.

Hardhat utils for testing

Property based testing for Jest based on fast-check

Babel plugin for power-assert

Simplifying the use of mocks with Node.js

Generate fast-check arbitraries from Zod schemas.

A flexible plugin that drives your tests with human-written commands, enhanced by the power of large language models (LLMs)

Nodejs bindings for LambdaTest Tunnel

date / time comparison matchers for chai

High Level DOM Assertions for QUnit

Convert assert to power-assert on ESTree AST

Applitools Eyes SDK for Playwright

The api for the extendable JavaScript mutation testing framework Stryker

Power Assert feature instrumentor based on the ECMAScript AST

Ignore imported style files when running in Node

The extendable JavaScript mutation testing framework

Compliance tests for textlint's AST(Abstract Syntax Tree).

Power Assert feature instrumentor on the fly

Mocha tests in Electron.

BDD Testing with Playwright runner

Zero-dependency (req,res) handler callback agent for use in client requests

A forked of Chai 5 which adds Promise support in order to work with Nightwatch commands.

An NSubstitute port to TypeScript called substitute.js.

Official Cypress schematic for the Angular CLI

a simple chai plugin for better array assertions

Extends Cypress' cy commands that let you integrate email and SMS testing into your continuous integration process.

Filter out unwanted `console.log()` output

DOM assertions for the Chai assertion library using vanilla JavaScript

Check if a value is an `Error` instance

Mock axios requests for testing

Testing following open-wc recommendations

Shared resources of db-migrate for drivers and also used internally.

To compare dom and shadow dom trees. Part of open-wc recommendations

Testing Helpers following open-wc recommendations

A tool to mock a JWKS for development of microservices who consume jwts signed with RSA

Utility library emit test data through @wire adapters in Lightning web component tests

With Bruno CLI, you can now run your API collections with ease using simple command line commands.

Utilities to help you create E2E test suites for apps using Clerk

Spies for the Chai assertion library.

Calibre - Page speed performance testing with Google Lighthouse

SMTP Server and Web Interface for reading and testing emails during development

Use custom tags to slice up Cypress test runs.

Simple and complete Preact DOM testing utilities that encourage good testing practices.

An implementation of https://github.com/emberjs/rfcs/pull/726

MySQL module for Testcontainers

Runs Mocha unit tests but randomizes their order

Node.js SDK for visual testing with Argos.

Library to help unit testing when using apollo-client

Shallow deep equal assertion for chai

a library of conditions that are useful for end-to-end tests

UI for testing API in Cypress

Allure Cucumber.JS integration

An extension of DOM-testing-library to provide hooks into the shadow dom

An RxJS marble testing library for any test framework

A11y tests for chai

Marble testing helpers library for RxJs and Jest

Confidently unit and integration test your Next.js API routes/handlers in an isolated Next.js-like environment

A HTML reporting module for Cypress-Image-Diff to parse the JSON output to a beautiful report

Capture and assert HTTP ajax calls in webdriver.io 🕸

A library to download and launch Sauce Connect.

Stub behaviors of Vitest mock functions with a small, readable API.

A Storybook addon, Save the screenshot image of your stories! via puppeteer.


Hardhat Plugin For Replicable Deployments And Tests

Provides 'specflow' like bindings for CucumberJS 7.0.0+ in TypeScript 1.7+.

Parse test results from JUnit, TestNG, xUnit, cucumber and many more

Applitools Eyes SDK for Puppeteer

Kafka module for Testcontainers

Knapsack Pro Core library splits tests across CI nodes and makes sure that tests will run in optimal time on each CI node. This library gives core features like communication with KnapsackPro.com API. This library is a dependency for other projects specif

Extends Chai with lint-friendly terminating assertions.

A testing utility for nest-commander. It builds on top of ideas from @nestjs/testing and is not tied to any test framework directly.

NATS module for Testcontainers

Allure Vitest integration

file system assertions for chai

Chai.js assertions for enzyme

Generate test data for your tests easily.

Playwright SDK for visual testing with Argos.

fail cypress test on console error

Run Mocha tests

the open source API testing client

Allure Jest integration

Applitools Eyes SDK for TestCafe

The Cypress plugin for generating HTTP Archive (HAR) files is a tool that allows developers and QA engineers to capture detailed information about network requests made during the execution of Cypress tests.

A client-side server to help you build, test and demo your Ember app

Custom Jasmine matchers for testing DOM elements

An ember-cli addon to test against multiple dependencies, such as ember and ember-data.

Asynchronous BDD & continuous integration for node.js

Jest utility for creating variations of the same test

A simple mocking library for TypeScript

LambdaTest Rest Client for Node.js

puppeteer + dom-testing-library

Common code for jest-openapi and Chai OpenAPI Response Validator

Provides a method to inject and analyze web pages using axe

Test your time critical app by overriding the native Javascript Date function

A library of utilities for testing with the ngx-translate i18n Angular library

An in-memory implementation of webextension-polyfill for testing. Supports all test frameworks (Vitest, Jest, etc)

MongoDB module for Testcontainers

tRPC API for Mock Service Worker (MSW).

Generate all possible permutations of an object's key-value pairs