Overview

This code works correctly in:

• emacs: M-x python-pytest-dispatch
• shell: pytest
• vscode: discover tests correctly (python plugin)

Code structure:

This structure keeps tests discoverable.

pwgen/
├── add.py:
    > def add(a, b): 
    >     return a + b
├── __init__.py
    > pass
└── tests/
    ├── __init__.py
        > pass
    ├── test_add.py
        > from pwgen import add
        > def test_df():
        >     assert add.add(1, 2) == 3

For watch mode:

pip install pytest-watch
ptw