Python - Running unit and integration tests with standard directory structure

Question

I have the following directory structure, as recommended in the pytest docs :

setup.py src/ mypkg/ __init__.py app.py view.py tests/ __init__.py unit/ __init__.py app_test.py integration/ __init__.py app_test.py

All init.py files are empty for now.

And setup.py contains:

from setuptools import setup, find_packages setup(name="mypkg", packages=find_packages())

I want to use pytest for testing.

The command i use to run tests is

 pytest ./tests/unit/app_test.py

How do I import app.py into app_test.py and make sure my tests can run without issue.

Ideally, I want a pythonic/clean way to resolve this, not a hack.

I've stumbled upon many questions in regards to this, such as :
How do I run all Python unit tests in a directory?

But somehow I can't get it to work with my use case. Can anybody pinpoint in the right direction ?

Rose · Accepted Answer · 2020-11-27 17:27:09Z

Alright I got what i was looking for with :

setup.py src/ main.py __init__.py tests/ __init__.py unit/ __init__.py app_test.py integration/ __init__.py app_test.py

In app_test.py simply,

 import src.main

Running tests with :

pytest ./tests/unit/app_test.py

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