Testing Python Libraries - Awesome Python

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Row number					Tags
1	pytest Frameworks	1,046,171,354	14,424	2026-08-17	Frameworks Testing Developer Tools	→
	A mature full-featured Python testing tool.
	Also see: awesome-pytest pytest-dev/github.com/pytest-dev/pytest /2026-08-17 /1,046,171,354 downloads/month
2	coverage Code Coverage	316,775,442	3,409	2026-08-16	Code Coverage Testing Developer Tools	→
	Code coverage measurement.
	coveragepy/github.com/coveragepy/coveragepy /2026-08-16 /316,775,442 downloads/month
3	playwright-python Browser Automation	101,807,691	14,918	2026-08-06	Browser Automation Testing Developer Tools	→
	Python version of the Playwright testing and automation library.
	microsoft/github.com/microsoft/playwright-python /2026-08-06 /101,807,691 downloads/month
4	faker Fake Data	77,228,436	19,369	2026-08-03	Fake Data Testing Developer Tools	→
	A Python package that generates fake data.
	joke2k/github.com/joke2k/faker /2026-08-03 /77,228,436 downloads/month
5	responses Mock	66,843,457	4,344	2026-07-24	Mock Testing Developer Tools	→
	A utility library for mocking out the requests Python library.
	getsentry/github.com/getsentry/responses /2026-07-24 /66,843,457 downloads/month
6	freezegun Mock	57,422,727	4,522	2025-08-19	Mock Testing Developer Tools	→
	Travel through time by mocking the datetime module.
	spulec/github.com/spulec/freezegun /2025-08-19 /57,422,727 downloads/month
7	selenium Browser Automation	54,572,951	34,372	2026-08-17	Browser Automation Testing Developer Tools	→
	Python bindings for Selenium WebDriver.
	SeleniumHQ/github.com/SeleniumHQ/selenium /2026-08-17 /54,572,951 downloads/month
8	hypothesis Frameworks	49,419,052	8,894	2026-08-16	Frameworks Testing Developer Tools	→
	Hypothesis is an advanced Quickcheck style property based testing library.
	HypothesisWorks/github.com/HypothesisWorks/hypothesis /2026-08-16 /49,419,052 downloads/month
9	tox Test Runners	33,033,599	3,922	2026-08-17	Test Runners Testing Developer Tools	→
	Auto builds and tests distributions in multiple Python versions
	tox-dev/github.com/tox-dev/tox /2026-08-17 /33,033,599 downloads/month
10	vcrpy Mock	25,197,645	2,982	2026-07-04	Mock Testing Developer Tools	→
	Record and replay HTTP interactions on your tests.
	kevin1024/github.com/kevin1024/vcrpy /2026-07-04 /25,197,645 downloads/month
11	respx Mock	22,183,623	829	2026-04-23	Mock Testing Developer Tools	→
	Mock HTTPX with awesome request patterns and response side effects.
	lundberg/github.com/lundberg/respx /2026-04-23 /22,183,623 downloads/month
12	factory_boy Object Factories	21,524,632	3,806	2025-12-14	Object Factories Testing Developer Tools	→
	A test fixtures replacement for Python.
	FactoryBoy/github.com/FactoryBoy/factory_boy /2025-12-14 /21,524,632 downloads/month
13	locust Load Testing	13,427,154	28,076	2026-08-10	Load Testing Testing Developer Tools	→
	Scalable user load testing tool written in Python.
	locustio/github.com/locustio/locust /2026-08-10 /13,427,154 downloads/month
14	polyfactory Object Factories	10,959,033	1,501	2026-08-16	Object Factories Testing Developer Tools	→
	mock data generation library with support to classes (continuation of `pydantic-factories`)
	litestar-org/github.com/litestar-org/polyfactory /2026-08-16 /10,959,033 downloads/month
15	schemathesis API Testing	6,240,612	3,536	2026-08-17	API Testing Testing Developer Tools	→
	A tool for automatic property-based testing of web applications built with Open API / Swagger specifications.
	schemathesis/github.com/schemathesis/schemathesis /2026-08-17 /6,240,612 downloads/month
16	nox Test Runners	5,697,633	1,552	2026-08-17	Test Runners Testing Developer Tools	→
	Flexible test automation for Python.
	wntrblm/github.com/wntrblm/nox /2026-08-17 /5,697,633 downloads/month
17	robotframework Frameworks	4,677,771	11,823	2026-08-16	Frameworks Testing Developer Tools	→
	A generic test automation framework.
	robotframework/github.com/robotframework/robotframework /2026-08-16 /4,677,771 downloads/month
18	seleniumbase Browser Automation	3,026,575	12,933	2026-08-14	Browser Automation Testing Developer Tools	→
	Python framework for web automation & testing, with stealth options.
	seleniumbase/github.com/seleniumbase/SeleniumBase /2026-08-14 /3,026,575 downloads/month
19	mimesis Fake Data	2,285,918	4,840	2026-07-16	Fake Data Testing Developer Tools	→
	is a Python library that help you generate fake data.
	lk-geimfari/github.com/lk-geimfari/mimesis /2026-07-16 /2,285,918 downloads/month
20	mock Mock	Not on PyPI	74,339	2026-08-17	Mock Testing Developer Tools Built-in	→
	(Python standard library) A mocking and patching library.
	python/docs.python.org/3/library/unittest.mock.html /2026-08-17

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