CATEGORY
Best Testing Libraries
Testing packages facilitate the verification of JavaScript code quality and functionality. Approaches range from behavior-driven development with libraries like Chai and Jasmine to robust end-to-end testing frameworks such as Playwright, Selenium WebDriver, and Cypress. Others focus on component testing or utilize Jest and Vitest for rapid test execution and assertion capabilities, reflecting a mature ecosystem with widespread adoption.
12 packages · sorted by weekly downloads
PACKAGES
12
Package
DL / week
Bundle
Status
chai BDD/TDD assertion library for node.js and the browser. Test framework agnostic. 86.6M 17.2 kB ACTIVE vitest Next generation testing framework powered by Vite 73.3M 96.7 kB ACTIVE playwright A high-level API to automate web browsers 64.7M 18.5 MB ACTIVE @testing-library/react Simple and complete React DOM testing utilities that encourage good testing practices. 42.8M 101.4 kB ACTIVE jest Delightful JavaScript Testing. 38.2M 30.5 MB ACTIVE fast-check Property based testing framework for JavaScript (like QuickCheck) 24.9M 57.1 kB ACTIVE mocha simple, flexible, fun test framework 12.4M 67.1 kB ACTIVE cypress Cypress is a next generation front end testing tool built for the modern web 6.2M 178 B ACTIVE jasmine-core Simple JavaScript testing framework for browsers and node.js 4.8M 33.6 kB ACTIVE selenium-webdriver The official WebDriver JavaScript bindings from the Selenium project 1.7M 111.5 kB ACTIVE ava Node.js test runner that lets you develop with confidence. 479.9K 411 B ACTIVE nightwatch Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API. 131.3K 58.1 MB ACTIVE
COMPARISONS
66
@testing-library/react vs vitest ★ 36.5K · 116.0M/wk @testing-library/react vs ava ★ 40.5K · 43.2M/wk @testing-library/react vs nightwatch ★ 31.6K · 42.9M/wk playwright vs vitest ★ 110.8K · 138.0M/wk ava vs nightwatch ★ 32.8K · 611.3K/wk playwright vs selenium-webdriver ★ 128.3K · 66.4M/wk ava vs cypress ★ 71.5K · 6.7M/wk jasmine-core vs playwright ★ 109.8K · 69.6M/wk @testing-library/react vs fast-check ★ 24.7K · 67.7M/wk @testing-library/react vs chai ★ 27.9K · 129.3M/wk @testing-library/react vs jasmine-core ★ 35.5K · 47.6M/wk chai vs nightwatch ★ 20.2K · 86.7M/wk @testing-library/react vs jest ★ 65.1K · 80.9M/wk cypress vs nightwatch ★ 62.6K · 6.3M/wk nightwatch vs playwright ★ 105.9K · 64.9M/wk fast-check vs nightwatch ★ 17.0K · 25.1M/wk fast-check vs jasmine-core ★ 20.9K · 29.8M/wk fast-check vs mocha ★ 28.0K · 37.4M/wk chai vs jasmine-core ★ 24.1K · 91.4M/wk chai vs vitest ★ 25.2K · 159.9M/wk cypress vs playwright ★ 144.6K · 70.9M/wk chai vs selenium-webdriver ★ 42.6K · 88.3M/wk cypress vs jest ★ 96.1K · 44.3M/wk ava vs chai ★ 29.1K · 87.1M/wk @testing-library/react vs mocha ★ 42.5K · 55.2M/wk cypress vs fast-check ★ 55.7K · 31.1M/wk jest vs nightwatch ★ 57.4K · 38.3M/wk fast-check vs vitest ★ 22.0K · 98.2M/wk cypress vs vitest ★ 67.6K · 79.5M/wk jasmine-core vs nightwatch ★ 27.8K · 5.0M/wk @testing-library/react vs cypress ★ 70.3K · 49.0M/wk ava vs jasmine-core ★ 36.7K · 5.3M/wk cypress vs selenium-webdriver ★ 85.0K · 7.9M/wk ava vs playwright ★ 114.8K · 65.2M/wk jasmine-core vs vitest ★ 32.7K · 78.1M/wk chai vs jest ★ 53.7K · 124.7M/wk cypress vs jasmine-core ★ 66.5K · 11.0M/wk nightwatch vs vitest ★ 28.9K · 73.4M/wk ava vs jest ★ 66.3K · 38.6M/wk mocha vs playwright ★ 116.8K · 77.2M/wk fast-check vs jest ★ 50.5K · 63.1M/wk chai vs playwright ★ 102.2K · 151.3M/wk chai vs mocha ★ 31.2K · 99.0M/wk chai vs cypress ★ 58.9K · 92.8M/wk cypress vs mocha ★ 73.6K · 18.6M/wk fast-check vs playwright ★ 99.0K · 89.7M/wk chai vs fast-check ★ 13.4K · 111.5M/wk fast-check vs selenium-webdriver ★ 39.4K · 26.6M/wk jest vs selenium-webdriver ★ 79.8K · 39.8M/wk selenium-webdriver vs vitest ★ 51.3K · 75.0M/wk mocha vs nightwatch ★ 34.9K · 12.6M/wk @testing-library/react vs selenium-webdriver ★ 54.0K · 44.4M/wk @testing-library/react vs playwright ★ 113.6K · 107.5M/wk jest vs playwright ★ 139.4K · 102.9M/wk jasmine-core vs mocha ★ 38.7K · 17.3M/wk mocha vs selenium-webdriver ★ 57.3K · 14.1M/wk jest vs vitest ★ 62.4K · 111.4M/wk jasmine-core vs jest ★ 61.3K · 43.0M/wk nightwatch vs selenium-webdriver ★ 46.3K · 1.8M/wk jest vs mocha ★ 68.4K · 50.6M/wk jasmine-core vs selenium-webdriver ★ 50.2K · 6.5M/wk ava vs selenium-webdriver ★ 55.2K · 2.2M/wk mocha vs vitest ★ 39.8K · 85.7M/wk ava vs vitest ★ 37.7K · 73.8M/wk ava vs fast-check ★ 25.9K · 25.4M/wk ava vs mocha ★ 43.7K · 12.9M/wk
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