Testing Python Libraries - Awesome Python

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Row number					Tags
1	pytest Frameworks	940,274,163	14,476	2026-09-01	Frameworks Testing Developer Tools	→
	A mature full-featured Python testing tool.
	Also see: awesome-pytest pytest-dev/github.com/pytest-dev/pytest /2026-09-01 /940,274,163 downloads/month
2	coverage Code Coverage	300,348,573	3,411	2026-08-31	Code Coverage Testing Developer Tools	→
	Code coverage measurement.
	coveragepy/github.com/coveragepy/coveragepy /2026-08-31 /300,348,573 downloads/month
3	playwright-python Browser Automation	101,290,794	14,976	2026-09-03	Browser Automation Testing Developer Tools	→
	Python version of the Playwright testing and automation library.
	microsoft/github.com/microsoft/playwright-python /2026-09-03 /101,290,794 downloads/month
4	faker Fake Data	71,825,005	19,391	2026-09-01	Fake Data Testing Developer Tools	→
	A Python package that generates fake data.
	joke2k/github.com/joke2k/faker /2026-09-01 /71,825,005 downloads/month
5	responses Mock	59,418,236	4,344	2026-08-26	Mock Testing Developer Tools	→
	A utility library for mocking out the requests Python library.
	getsentry/github.com/getsentry/responses /2026-08-26 /59,418,236 downloads/month
6	freezegun Mock	52,581,052	4,523	2025-08-19	Mock Testing Developer Tools	→
	Travel through time by mocking the datetime module.
	spulec/github.com/spulec/freezegun /2025-08-19 /52,581,052 downloads/month
7	hypothesis Frameworks	48,047,812	8,939	2026-08-30	Frameworks Testing Developer Tools	→
	Hypothesis is an advanced Quickcheck style property based testing library.
	HypothesisWorks/github.com/HypothesisWorks/hypothesis /2026-08-30 /48,047,812 downloads/month
8	selenium Browser Automation	46,097,125	34,467	2026-09-04	Browser Automation Testing Developer Tools	→
	Python bindings for Selenium WebDriver.
	SeleniumHQ/github.com/SeleniumHQ/selenium /2026-09-04 /46,097,125 downloads/month
9	vcrpy Mock	24,603,069	3,000	2026-07-04	Mock Testing Developer Tools	→
	Record and replay HTTP interactions on your tests.
	kevin1024/github.com/kevin1024/vcrpy /2026-07-04 /24,603,069 downloads/month
10	tox Test Runners	23,888,344	3,930	2026-09-01	Test Runners Testing Developer Tools	→
	Auto builds and tests distributions in multiple Python versions
	tox-dev/github.com/tox-dev/tox /2026-09-01 /23,888,344 downloads/month
11	respx Mock	22,272,461	834	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 /22,272,461 downloads/month
12	factory_boy Object Factories	21,736,700	3,805	2025-12-14	Object Factories Testing Developer Tools	→
	A test fixtures replacement for Python.
	FactoryBoy/github.com/FactoryBoy/factory_boy /2025-12-14 /21,736,700 downloads/month
13	locust Load Testing	12,576,425	28,127	2026-08-26	Load Testing Testing Developer Tools	→
	Scalable user load testing tool written in Python.
	locustio/github.com/locustio/locust /2026-08-26 /12,576,425 downloads/month
14	polyfactory Object Factories	10,386,045	1,503	2026-08-22	Object Factories Testing Developer Tools	→
	mock data generation library with support to classes (continuation of `pydantic-factories`)
	litestar-org/github.com/litestar-org/polyfactory /2026-08-22 /10,386,045 downloads/month
15	nox Test Runners	5,084,522	1,554	2026-09-03	Test Runners Testing Developer Tools	→
	Flexible test automation for Python.
	wntrblm/github.com/wntrblm/nox /2026-09-03 /5,084,522 downloads/month
16	schemathesis API Testing	4,584,686	3,581	2026-09-04	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 /2026-09-04 /4,584,686 downloads/month
17	robotframework Frameworks	4,545,486	11,867	2026-09-04	Frameworks Testing Developer Tools	→
	A generic test automation framework.
	robotframework/github.com/robotframework/robotframework /2026-09-04 /4,545,486 downloads/month
18	seleniumbase Browser Automation	2,752,685	12,982	2026-09-03	Browser Automation Testing Developer Tools	→
	Python framework for web automation & testing, with stealth options.
	seleniumbase/github.com/seleniumbase/SeleniumBase /2026-09-03 /2,752,685 downloads/month
19	mimesis Fake Data	2,413,477	4,839	2026-08-23	Fake Data Testing Developer Tools	→
	is a Python library that help you generate fake data.
	lk-geimfari/github.com/lk-geimfari/mimesis /2026-08-23 /2,413,477 downloads/month
20	mock Mock	Stdlib	75,981	2026-09-04	Mock Testing Developer Tools Stdlib	→
	(Python standard library) A mocking and patching library.
	python/docs.python.org/3/library/unittest.mock.html /2026-09-04

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