Testing Python Packages

pytest

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

pytest-asyncio

Asyncio support for pytest

faker

Faker is a Python package that generates fake data for you.

hypothesis

The property-based testing library for Python

fakeredis

In-memory fake Redis for Python tests: a drop-in replacement for redis-py and valkey-py, with no server to run. Emulates Redis, Valkey, DragonflyDB, KeyDB and KiviDB.

testcontainers

Testcontainers is a Python library that providing a friendly API to run Docker container. It is designed to create runtime environment to use during your automatic tests.

respx

Mock HTTPX with awesome request patterns and response side effects 🦋

vcrpy

Automatically mock your HTTP interactions to simplify and speed up testing

factory-boy

A test fixtures replacement for Python

time-machine

Travel through time in your tests.

pytest-httpx

pytest fixture to mock HTTPX

tox

Command line driven CI frontend and development task automation tool.

syrupy

:pancakes: The most popular pytest snapshot plugin

junitparser

Parses JUnit/xUnit Result XML files with ease

pytest-socket

Pytest Plugin to disable socket calls during tests

pytest-json-report

🗒️ A pytest plugin to report test results as JSON

pandera

A light-weight, flexible, and expressive statistical data testing library

mongomock

Small library for mocking pymongo collection objects for testing purposes

pytest-sugar

a plugin for py.test that changes the default look and feel of py.test (e.g. progressbar, show tests that fail instantly)

mutmut

Mutation testing system

pytest-recording

A pytest plugin powered by VCR.py to record and replay HTTP traffic.

pytest-unordered

Test equality of unordered sequences

nox

Flexible test automation for Python

robotframework

Generic automation framework for acceptance testing and RPA