The successor to `nose` based on `unittest2.

A mature full-featured Python testing tool.

A generic test automation framework.

(Python standard library) Unit testing framework.

A clean colorful test runner.

The definitive testing tool for Python. Born under the banner of BDD.

Auto builds and tests distributions in multiple Python versions

Scalable user load testing tool written in Python.

PyAutoGUI is a cross-platform GUI automation Python module for human beings.

A tool for automatic property-based testing of web applications built with Open API / Swagger specifications.

Python bindings for Selenium http://www.seleniumhq.org/) WebDriver.

A language-agnostic A/B Testing framework.

Open source tool for testing web applications.

Powerful test doubles framework for Python.

Travel through time by mocking the datetime module.

A mocking library for requests for Python 2.6+ and 3.2+.

HTTP request mock tool for Python.

(Python standard library) A mocking and patching library.

A socket mock framework with gevent/asyncio/SSL support.

A utility library for mocking out the requests Python library.