python testing Pytest unittest lint code example

Example 1: python run pytest

Just type this in shell:
pytest

Or this if that does nott work:
python -m pytest

Example 2: pytest tests in subfolder

# Create a file containing

import os, pathlib
import pytest

os.chdir( pathlib.Path.cwd() / 'Tests' )

pytest.main()

# And use the command `python tests.py` to run it.