JSPM

strings comparison matchers for chai

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

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

Allure Playwright integration

Nodejs bindings for BrowserStack Local

Base driver class for Appium drivers

Applitools universal framework wrapper

A Universal Logger For The Appium Ecosystem

JavaScript Testing utilities for React

Reusable utilities to help level up NestJS Testing

Applitools universal screenshoter for web and native applications

HeartBeat

Shared TypeScript Config for Appium

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

time utils

Automation for Apps.

Custom Jest matchers for AWS SDK v3 Client mock

Documentation generation utilities for Appium and related projects

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

PostgreSQL module for Testcontainers

A Karma plugin. Launcher for Firefox.

Simulate react-select events for react-testing-library

JavaScript Testing utilities for React

Power Assert feature enhancer for assert function/object

The base plugin used to create Appium plugins

Storybook Vitest addon: Blazing fast component testing using stories

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

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

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

Android UiAutomator and Chrome support for Appium

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Tools to support code coverage in Storybook

Temporal.io SDK Testing sub-package

The Karma command line interface.

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

Flush promises in tests

Test Redux Saga with an easy plan

The powerful, easy-to-use testing framework.

A set of tools for emulating browser behavior in jsdom environment

Run gherkin-syntaxed specs with cypress.io

Check if a process is running

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

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

Render React components in Vitest Browser Mode

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

Persistent storage for Appium extensions

Redis module for Testcontainers

Chai plugin for JSON Schema v4

A lightweight Jest mock for unit testing Express

Mock HTTP server for testing HTTP clients and stubbing webservices

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

Integrate Vitest with Storybook

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

Supercharged End 2 End Testing Framework for NodeJS

Automated browser testing for the modern web development stack.

Elastic synthetic monitoring agent

Pact for all things Javascript

Marble testing helpers for RxJS and Jasmine

Chai assertion that provides Jest's snapshot testing

Fake data generator

AngularJS mocks for testing

Power Assert in JavaScript

Power Assert output formatter

REST API Testing Tool for all levels in a Test Pyramid

Power Assert feature enhancer for assert function/object

Skip the rest of Cypress tests on first failure

Cypress test reporter for CircleCI

Test React components using Cypress

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

Show some ❤️ to process errors

Hardhat utils for testing

Visual regression testing tool with cypress

Babel plugin for power-assert

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

LocalStack module for Testcontainers

date / time comparison matchers for chai

Preview your Jest tests in a browser

Testing Matchers for Enzyme

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

Validates a deep structured JSON pattern

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

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

React Apollo testing utilities.

Runtime Environment for enzyme tests in jest

WebDriver/Selenium 2 node.js client

A Test-Anything-Protocol library for JavaScript

Generate fast-check arbitraries from Zod schemas.

Simplifying the use of mocks with Node.js

Hardhat utils for testing

The api for the extendable JavaScript mutation testing framework Stryker

mock stdout and stderr

The extendable JavaScript mutation testing framework

Property based testing for Jest based on fast-check

Applitools Eyes SDK for Playwright

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

High Level DOM Assertions for QUnit

BDD Testing with Playwright runner

a simple chai plugin for better array assertions

Nodejs bindings for LambdaTest Tunnel

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

Convert assert to power-assert on ESTree AST

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

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

An NSubstitute port to TypeScript called substitute.js.

Ignore imported style files when running in Node

Power Assert feature instrumentor based on the ECMAScript AST

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

Filter out unwanted `console.log()` output

Spies for the Chai assertion library.

Library to help unit testing when using apollo-client

Official Cypress schematic for the Angular CLI

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

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

DOM assertions for the Chai assertion library using vanilla JavaScript

Check if a value is an `Error` instance

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

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

Power Assert feature instrumentor on the fly

Testing following open-wc recommendations

Mock axios requests for testing

Testing Helpers following open-wc recommendations

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

A library to download and launch Sauce Connect.

Mocha tests in Electron.

MySQL module for Testcontainers

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

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

Use custom tags to slice up Cypress test runs.

Calibre - Page speed performance testing with Google Lighthouse

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

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

Node.js SDK for visual testing with Argos.

Extends Chai with lint-friendly terminating assertions.


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

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

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

Shallow deep equal assertion for chai

A11y tests for chai

UI for testing API in Cypress

Capture and assert HTTP ajax calls in webdriver.io 🕸

Marble testing helpers library for RxJs and Jest

Playwright SDK for visual testing with Argos.

Allure Cucumber.JS integration

An RxJS marble testing library for any test framework

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

Hardhat Plugin For Replicable Deployments And Tests

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

Runs Mocha unit tests but randomizes their order

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

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

Kafka module for Testcontainers

Applitools Eyes SDK for Puppeteer

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

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

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

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

Chai.js assertions for enzyme

Generate test data for your tests easily.

fail cypress test on console error

Allure Vitest integration

Provides a method to inject and analyze web pages using axe

the open source API testing client

NATS module for Testcontainers

Visual Regression Testing for Storybook

Custom Jasmine matchers for testing DOM elements

Allure Jest integration

puppeteer + dom-testing-library

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

Jest utility for creating variations of the same test

Run Mocha tests

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.

file system assertions for chai

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

Applitools Eyes SDK for TestCafe

A simple mocking library for TypeScript

Temporal.io SDK code coverage integration

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

Asynchronous BDD & continuous integration for node.js

A mock provider for your blockchain testing needs.

Common code for jest-openapi and Chai OpenAPI Response Validator

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)

io-ts codec to fast-check arbitrary mapping

LambdaTest Rest Client for Node.js

MongoDB module for Testcontainers

tRPC API for Mock Service Worker (MSW).

Write Beautiful Specs with Custom Matchers for Jest

Assert utility from yeoman

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

A sweet set of chai matchers for your blockchain testing needs.

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

Write Beautiful Specs with Custom Matchers

The 2020 Most Modern Testing Framework For Node.JS With Test Contexts (Reusable BeforeEach / AfterEach Via Separate Files); Masks (Inputs/Outputs In Non-Js Files) And Fork Testing; Interactive Snapshots.

A simple mock interface specifically for testing code relying on Sequelize models

Visual Debugging Experience for Vitest 🧪🖼⚡️

Visual diffing for UI components

jest wrapper for fetch-mock

A mock ens implementation for testing.

Test, mock, intercept and modify Apollo Client's operations — in both browser and unit tests!

Generate fake data deterministically from a given input

A Jest integration to run assertions in Edge Runtime context.

Implementation of core APIs for the Japa tests runner

JavaScript "deep equality" / structural equality tester with Node.js flavor.

The react client only integration for api references

Sweeter, faster and simpler than truffle.

Mock smart contracts in a smart way.

This ember-cli addon eases the construction of page objects on your acceptance and integration tests

Jest matchers for asserting that HTTP responses satisfy an OpenAPI spec

> Generate pact contracts from the recorded mock service worker interactions.

Property based testing for Vitest based on fast-check

Service Worker Mock ========================= A mock service worker environment generator.

Write useful test matchers compatible with Jest and Jasmine.

A library for handling GraphQL requests with Mirage JS

React Hooks for shallow rendering

Allure Cypress integration

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Provides additional types for TypeScript.

utilities for parsing shorthand Selenium capabilities objects

Tooling for testing Inngest functions.

Cypress custom command and hooks to remove downloads folder

Snapshots saved against an object

testing tool for textlint rule.

Vitest wrapper for fetch-mock

A lightweight image comparison tool

A better way to use the WireMock simulator to test your HTTP APIs

Tizen support for Appium

Provides a method to inject and analyze web pages using axe

Allure Mocha integration

Adds testing helpers for driving Stripe Elements with Cypress.

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

Virtual U2F token for automated testing of U2F/Fido APIs

Mock Server supporting multiple route variants and mocks

Simple asynchronous testing framework. Never again count your asserts! This tiny testing library is fully callback-based and has a rich API for asserts.

Selenium in an npm package

Mocks Server plugin providing an administration REST API

Adds value / object / DOM element snapshot testing support to Cypress test runner

A standalone utility to manage Xvfb (X Virtual Framebuffer) for headless testing

Accessibility testing for Ember applications

Property-based testing for JavaScript.

Core components for the preceptor test runner and aggregator

Setup helper for PollyJS when using in jest/jasmine test environment