pytest-dev/pytest-mock

A utility for mocking out the Python Requests library.

Automatically mock your HTTP interactions to simplify and speed up testing

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

A test fixtures replacement for Python

Asyncio support for pytest

A Django plugin for pytest.

Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).

pytest fixture for benchmarking code

A friendly substitute for .NET mocking libraries.