JSPM

Get details about the current Continuous Integration environment

Test automation framework for Salesforce Extensions for VS Code

Detect if the current environment is a CI server

Return a function which tests if every element in an array passes a test condition.

Chance - Utility library to generate anything random

ESLint rules for UI testing tools WebdriverIO, Cypress, TestCafe, Playwright, Puppeteer

Publish test results to Microsoft Teams, Google Chat, Slack and InfluxDB

Calibre - Page speed performance testing with Google Lighthouse

A powerful Node.js CLI boilerplate with semantic-release, commitlint, husky, GitHub Actions, and modular generators for components, pages, hooks, layouts, services, styles, and tests.

Adapter that integrates @serenity-js/web with the latest stable version of WebdriverIO, enabling Serenity/JS reporting and using the Screenplay Pattern to write web and mobile test scenarios

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

Test runner for Storybook stories

Spectacular Test Runner for JavaScript.

Automated browser testing for the modern web development stack.

Return a function which tests if every element in an array-like object passes a test condition.

Adapter that integrates @serenity-js/web with WebdriverIO 8, enabling Serenity/JS reporting and using the Screenplay Pattern to write web and mobile test scenarios

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

Leadfoot. A JavaScript client library that brings cross-platform consistency to the Selenium WebDriver API.

This is lightweight memory stream module for node.js.

Mock HTTP server for testing HTTP clients and stubbing webservices

Browser testing/automation utilities with async/await

Dynamic accessibility analysis for React using axe-core

Tesults API library.

VTEX IO testing tools

A WebdriverIO service that allows you to run Chrome DevTools commands in your tests

Mocha thin wrapper that allows running TypeScript tests with TypeScript runtime (ts-node) to get rid of compilation complexity

Regular expression for matching ANSI escape codes

Get the first fulfilled promise that satisfies the provided testing function

Manage docker-compose from Node.js

Mendix Pluggable Widgets Tools

Regular expression for matching a shebang line

Get the native type of a value.

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Returns true if a string has an extglob.

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Check if a value is a plain object

Match balanced character pairs, like "{" and "}"

Tools to support code coverage in Storybook

Give a regex, get a robust predicate function that tests it against a string.

Framework for an implementation of the Screenplay pattern.

Test tools

Delightful JavaScript Testing.

CLI for running automation tests within the OpenFin ecosystem

Returns true if a value is a plain object, array or function.

Parameterised tests for Jest

Delightful JavaScript Testing.

Is this a bluebird promise I see before me?

Delightful JavaScript Testing.

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

Error constructor for test and validation frameworks that implements standardized AssertionError specification.

Check if a value is an object

Type check values

unist utility to check if a node passes a test

invariant

A response-like object for mocking a Node.js HTTP response stream

implementation of seleniumjs to use with test automation

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

Next generation testing framework powered by Vite

Check if a string has ANSI escape codes

Storybook addons for visual testing with Percy

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

Generate a regex from a string or array of strings.

Match balanced character pairs, like "{" and "}"

Helper methods for automation testing in the OpenFin ecosystem

Regular expression for matching IP addresses (IPv4 & IPv6)

Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.

Lightweight REST client to interact with a running WireMock server

Create a javascript regular expression for matching everything except for the given string.

Node is running but you don't know why? why-is-node-running is here to help you.

simple, flexible, fun test framework

A bunch of tools to configure and create a local github environment to test your github actions in without having to clutter your github with test repositories, actions or hitting github api rate limits.

SuperAgent driven library for testing HTTP servers

JavaScript test spies, stubs and mocks.

Regular expression for getting the root of a posix or windows filepath.

<p align="center"> <img width="200" src="https://raw.githubusercontent.com/suites-dev/suites/master/logo.png" alt="Logo" /> </p>

V8 coverage provider for Vitest

Visual Regression Testing for Storybook

Almost config-free Istanbul code coverage reporter for Mocha usage in Grunt

Simple JavaScript testing framework for browsers and node.js

REST API Testing Tool for all levels in a Test Pyramid

Create random strings that match a given regular expression.

Fake XHR and server

Automate, test and debug user interactions

Automate visual testing across browsers. Gather UI feedback. Versioned documentation.

An eslint plugin for inline codegen. Auto-fixes out of sync code, with presets for barrels, jsdoc to markdown and more.

Typescript-compatible minimalistic shallow equality check for arrays/objects

test framework agnostic BDD-style assertions

uvu is an extremely fast and lightweight test runner for Node.js and the browser

output coverage reports using Node.js' built in coverage

Detect if a Buffer/Uint8Array is compressed using deflate

Returns an object with a `negated` boolean and the `!` stripped from negation patterns. Also respects extglobs.

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

Over the wire test doubles

Return true if a value is a valid glob pattern or patterns.

Returns true if a windows file path has invalid characters.

Storybook Addon A11y: Test UI component compliance with WCAG web accessibility standards

A JavaScript mock Date object that can be used to change when "now" is.

Run load tests for your web application. Mostly ab-compatible interface, with an option to force requests per second. Includes an API for automated load testing.

Axios adapter that allows to easily mock requests

the definitive JavaScript type testing library

Catch unexpected visual changes & UI bugs in your stories

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

Hook and modify stdout and stderr

Mock a canvas in your jest tests.

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

invariantx

Check if a binary is working

JavaScript Testing utilities for React

Parse a github URL into an object.

Additional Jest matchers

path-serializer

Allure JS Commons

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

Opinionated HTML formatter focused towards making HTML diffs readable.

CSS vendor prefix detection and property feature testing.

Return true if a file path contains the given path.

A Cypress command for file upload

Check if a string is an IP address

Regular expression for matching HTML comments

Get details about the current Continuous Integration environment

Syngrisi Core JS client

TestRail API wrapper using promises

Check if the process is running in a Continuous Integration (CI) environment

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

Istanbul coverage provider for Vitest

Jest snapshot serializer that beautifies HTML.

Returns true if the value passed is all whitespace.

Applitools TestGenAI enables both technical and non-technical team members to expand test coverage effectively. This inclusivity allows non-technical participants to engage in test automation, helping to distribute the workload more efficiently across the

Check if a binary is working

Starts server, waits for URL, then runs test command; when the tests end, shuts down server

Regular expression for matching javascript require/import statements.

Returns true if a file path does not contain any invalid characters.

Knapsack Pro Jest splits Jest tests across CI nodes and makes sure that tests will run in optimal time on each CI node.

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

The JavaScript Task Runner

parse the test anything protocol

Test whether value is error object

A tiny javascript type testing tool

web-component-tester makes testing your web components a breeze!

A TAP Output Producer Plugin for QUnit

A configurable mock file system. You know, for testing.

Injects a fake HTTP request/response into a node HTTP server

githooks management forked from husky

convert enzyme wrapper to a format compatible with Jest snapshot

The module that allows you to create HTML Report from raw accessibility aXe result object

Proxies nodejs require in order to allow overriding dependencies during testing.

Returns `true` if an array has a glob pattern.

Enable DOM in Node.js

A Test-Anything-Protocol library for JavaScript

WebDriverJS adapter for Jasmine2.

Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.

Mock implementation of the Next.js Router

JavaScript Testing utilities for React

/dev/null for node streams

Merges multiple JUnit XML reports into one.

JavaScript Testing utilities for React

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

An opinionated library to make testing Babel plugins easier

tap-producing test harness for node and browsers

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

JavaScript Testing utilities for React

unist utility to create a new tree with nodes that pass a filter

nyc configuration that works with typescript

HeartBeat

Loads environment variables from `.env.[development|test|production][.local]` files

Storybook addon for editing props

The core Serenity/JS framework, providing the Screenplay Pattern interfaces, as well as the test reporting and integration infrastructure

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

Tests framework based on mocha and wdio

Helper methods for native testing in the OpenFin ecosystem

Jest matcher for image comparisons. Most commonly used for visual regression testing.

Test if a value is a string.

Test if a value is a function.

Test if a value is a Float64Array.

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

Find the first element in an array that passes a callback test. Equivalent to underscore.find()

Test if a value is a Uint32Array.

🌗 A module used to mock canvas in Vitest.

Knapsack Pro Cypress splits Cypress.io tests across CI nodes and makes sure that tests will run in optimal time on each CI node.

Test if a value is object-like.

Regular expression to detect an extended-length path.

Allure Playwright integration

Test if a value is a plain object.

Adds iframe support to Cypress

Easy dependency injection for node.js unit testing

Test if an object has a specified property.

Test if a value is an object.

Serenity/JS universal assertion library supporting all types of functional tests, including both web and REST API scenarios

Storybook Pseudo-states addon: Manipulate CSS pseudo states

Automatically install pre-commit hooks for your npm modules.

Test if a value is a Float32Array.

Test if a value is a number.

Test if a value is a regular expression string.

Easily generate customized GraphQL mock responses in JavaScript tests.

Yaml handling for TAP parsers and generators

time utils

A test runner with all the features you want, none of the complexity you don't, and no dependencies.

Unit testing tools for Most.js

Storybook Vitest addon: Blazing fast component testing using stories

maximally minimal type-testing library

JavaScript Testing utilities for React

🙈🐵 Run Playwright in watch mode

Workers Vitest integration for writing Vitest unit and integration tests that run inside the Workers runtime

Test framework for automating rest api & JS & typescript!

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

Generate new Express applications similar to express-generate which but sets it up to use TypeScript instead

Automatically opens your browser and iOS Simulator to preview Node.js email messages sent with Nodemailer. Made for Forward Email and Lad. Cross-browser and cross-platform email testing.

Check if a process is running

Test if a value is a Uint8Array.

NPM library for low-code mobile automation testing using WebDriverIO and AgentQ AI

Functions to mock the JavaScript aws-sdk

Serenity/JS reporting module that produces detailed Serenity BDD test reports and living documentation, enhancing transparency and traceability of test results

Test if a value is a Uint16Array.

Simple and fast DOM integration, headless or headful browser, and REST API testing framework.

Serenity/JS Screenplay Pattern library for interacting with REST and other HTTP-based services, supporting comprehensive API testing and blended testing scenarios

A WebdriverIO service to track and prepare for re-running failing or flaky Jasmine/Mocha tests or Cucumber Scenarios.

A cypress child command for drag'n'drop support.

Power Assert feature enhancer for assert function/object

Auto mock all localstorage and sessionstorage APIs for your Jest tests

Power Assert output formatter

Tesults reporter for Jest

factory for building JavaScript objects, mostly useful for setting up test data. Inspired by factory_girl

The Karma command line interface.

Fast HTTP benchmarking tool written in Node.js

Almost config-free nyc code coverage reporter for Mocha usage in Grunt

Add custom message to Jest expects

Power Assert feature enhancer for assert function/object

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Test Redux Saga with an easy plan

Jest plugin to use esbuild for transformation

Integrate Vitest with Storybook

WebdriverIO service that lets you define your Firefox profile in your wdio.conf.js

Serenity/JS test runner adapter for seamless integration with any version of Cucumber.js, facilitating BDD-style test automation and leveraging Serenity/JS reporting capabilities

ESLint rules for AVA

Pipe your JavaScript into a browser, logging console output in Node

Serenity/JS console reporter that displays test results directly in the standard output

Show some ❤️ to process errors

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

Generate fake data to be used in test automation

Serenity/JS Screenplay Pattern library offering a flexible, web driver-agnostic approach for interacting with web-based user interfaces and components, suitable for various testing contexts

Simple, intuitive mocking of Node.js modules.

Runs a set of accessibility audits

XMLHttpRequest mock for testing

Power Assert in JavaScript

Regex to validate that a URL is a git url.

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

Determine if an array or object is equivalent with another, *not* recursively

A testing companion to firebase-functions.

Utilities for testing Ink apps

A lightweight Jest mock for unit testing Express