Mocking Python Packages

aioresponses

Aioresponses is a helper for mock/fake web requests in python aiohttp package.

vcrpy

Automatically mock your HTTP interactions to simplify and speed up testing

mongomock

Small library for mocking pymongo collection objects for testing purposes

pyfakefs

Provides a fake file system that mocks the Python file system modules.

httpretty

Intercept HTTP requests at the Python socket level. Fakes the whole socket module

django-mock-queries

A library for mocking django queryset functions in memory for testing

pook

HTTP traffic mocking and testing made easy in Python

mock-alchemy

SQLAlchemy mock helpers.

callee

Argument matchers for unittest.mock

flexmock

Mock/stub/spy library for Python

mocket

a socket mock framework - for all kinds of socket animals, web-clients included

openmock

Python Opensearch Mock for test purposes (fork of elasticmock)

pytest-mongodb

pytest plugin for mocking MongoDB with fixtures

pychoir

A Simple Unit Test Matcher Library for Python 3.6+

montydb

Monty, Mongo tinified. MongoDB implemented in Python !

pytest-when

Pytest plugin for more readable mocking

nala

🦁 Nala - A delightful test framework for C projects.

mocksmith

Type-safe data validation and mocking for Python dataclasses and Pydantic models

mocksafe

Type-safe mocking for Python.

cmd-mox

Python-native command mocking

bigfoot

Pytest plugin for full-certainty test mocking. Every recorded interaction must be explicitly asserted.

chainmock

Mocking library for Python

stdio-mgr

Context manager for mocking/wrapping stdin/stdout/stderr

pytest-responsemock

Simplified requests calls mocking for pytest