Testing Technology Stack - AutolabJS/autolabcli GitHub Wiki

Choice of testing libraries for the project:

Kind of Tests	Library
Requirements tests	cucumber
unit tests	mocha
assertions library	chai
test doubles	sinon, mock-socket, nock, json-server
code coverage tool in travis	istanbul
headless browser-based testing	puppeteer, nightmare.js
(to be used with mocha and chai for functional tests)
high-level selenium-driver with own assertions	nightwatch.js
(easy to use; to be used with mocha for functional tests)
low-level, but sensible selenium-driver	webdriverIO
(to be used with mocha and chai for functional tests)
Automation of browser tests	Saucelabs
Manual browser tests	browserling
Load tests	artillery
Web content layout tests	reftests

See this post by Chris. It puts all the tools together. Another comprehensive post by David Tang.