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

Asyncio support for pytest

unittest subTest() support and subtests fixture

test twisted code with pytest

pytest plugin to set environment variables in pytest.ini or pyproject.toml file

pytest-print adds the printer fixture you can use to print messages to the user (directly to the pytest runner, not stdout)

Replacement for the --resultlog option, focused in simplicity and extensibility

pytest-plus adds new features to pytest

🎲 Pytest plugin to randomly order tests and control random.seed

pytest plugin for distributed testing and loop-on-failures testing modes.