Python Testing with pytest

Understanding pytest Configuration Files

Let’s run down the non-test files relevant to pytest:

• pytest.ini: This is the primary pytest configuration file that allows you to change pytest’s default behavior. Its location also defines the pytest root directory, or rootdir.

• conftest.py: This file contains fixtures and hook functions. It can exist at the rootdir or in any subdirectory.

• __init__.py: When put into test subdirectories, this file allows you to have identical test file names in multiple test directories.

• tox.ini, pyproject.toml, and setup.cfg: These files can take the place of pytest.ini. If you already have one of these files in a project, you can use it to save pytest settings.

  • tox.ini is used by tox, the command-line automated ...