Testing Python Libraries - Awesome Python

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Row number					Tags
1	pytest Frameworks	822,677,977	14,506	2026-09-14	Frameworks Testing Developer Tools	→
	A mature full-featured Python testing tool.
	Also see: awesome-pytest pytest-dev/github.com/pytest-dev/pytest /2026-09-14 /822,677,977 downloads/month
2	coverage Code Coverage	276,252,833	3,412	2026-09-13	Code Coverage Testing Developer Tools	→
	Code coverage measurement.
	coveragepy/github.com/coveragepy/coveragepy /2026-09-13 /276,252,833 downloads/month
3	playwright-python Browser Automation	89,168,824	15,001	2026-09-14	Browser Automation Testing Developer Tools	→
	Python version of the Playwright testing and automation library.
	microsoft/github.com/microsoft/playwright-python /2026-09-14 /89,168,824 downloads/month
4	faker Fake Data	64,613,194	19,402	2026-09-14	Fake Data Testing Developer Tools	→
	A Python package that generates fake data.
	joke2k/github.com/joke2k/faker /2026-09-14 /64,613,194 downloads/month
5	responses Mock	52,514,651	4,344	2026-09-14	Mock Testing Developer Tools	→
	A utility library for mocking out the requests Python library.
	getsentry/github.com/getsentry/responses /2026-09-14 /52,514,651 downloads/month
6	freezegun Mock	48,272,280	4,524	2025-08-19	Mock Testing Developer Tools	→
	Travel through time by mocking the datetime module.
	spulec/github.com/spulec/freezegun /2025-08-19 /48,272,280 downloads/month
7	hypothesis Frameworks	47,048,747	8,966	2026-09-08	Frameworks Testing Developer Tools	→
	Hypothesis is an advanced Quickcheck style property based testing library.
	HypothesisWorks/github.com/HypothesisWorks/hypothesis /2026-09-08 /47,048,747 downloads/month
8	selenium Browser Automation	36,012,071	34,489	2026-09-14	Browser Automation Testing Developer Tools	→
	Python bindings for Selenium WebDriver.
	SeleniumHQ/github.com/SeleniumHQ/selenium /2026-09-14 /36,012,071 downloads/month
9	vcrpy Mock	23,617,816	3,009	2026-07-04	Mock Testing Developer Tools	→
	Record and replay HTTP interactions on your tests.
	kevin1024/github.com/kevin1024/vcrpy /2026-07-04 /23,617,816 downloads/month
10	respx Mock	21,494,532	836	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 /21,494,532 downloads/month
11	factory_boy Object Factories	20,152,946	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 /20,152,946 downloads/month
12	tox Test Runners	17,773,000	3,933	2026-09-14	Test Runners Testing Developer Tools	→
	Auto builds and tests distributions in multiple Python versions
	tox-dev/github.com/tox-dev/tox /2026-09-14 /17,773,000 downloads/month
13	locust Load Testing	10,635,595	28,154	2026-09-14	Load Testing Testing Developer Tools	→
	Scalable user load testing tool written in Python.
	locustio/github.com/locustio/locust /2026-09-14 /10,635,595 downloads/month
14	polyfactory Object Factories	9,779,488	1,505	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 /9,779,488 downloads/month
15	nox Test Runners	4,252,146	1,559	2026-09-14	Test Runners Testing Developer Tools	→
	Flexible test automation for Python.
	wntrblm/github.com/wntrblm/nox /2026-09-14 /4,252,146 downloads/month
16	robotframework Frameworks	4,133,724	11,882	2026-09-14	Frameworks Testing Developer Tools	→
	A generic test automation framework.
	robotframework/github.com/robotframework/robotframework /2026-09-14 /4,133,724 downloads/month
17	schemathesis API Testing	3,390,096	3,599	2026-09-14	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 /2026-09-14 /3,390,096 downloads/month
18	mimesis Fake Data	2,210,664	4,842	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 /2,210,664 downloads/month
19	seleniumbase Browser Automation	2,022,470	13,016	2026-09-14	Browser Automation Testing Developer Tools	→
	Python framework for web automation & testing, with stealth options.
	seleniumbase/github.com/seleniumbase/SeleniumBase /2026-09-14 /2,022,470 downloads/month
20	mock Mock	Stdlib	77,167	2026-09-14	Mock Testing Developer Tools Stdlib	→
	(Python standard library) A mocking and patching library.
	python/docs.python.org/3/library/unittest.mock.html /2026-09-14

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