Visual Studio Code does not find python unit tests in sub folders

Question

I am setting up a Python project in VisualStudio Code. My folder and file structure looks like follows:

Base project folder
- source_folder
  - package1_folder
    - module1.py
  - package2_folder
    - module2.py
- source_folder_unittests
  - package1_unittests
    - module1_test.py

Sadly, the unittest discovery does not see the unit tests inside 'module_test.py'. As soon as I move the module1_test.py file one folder up, it works:

Base project folder
- source_folder
  - package1_folder
    - module1.py
  - package2_folder
    - module2.py
- source_folder_unittests
  - module1_test.py

This is my settings.json file:

{
    "python.testing.unittestArgs": [
        "-v",
        "-s",
        "./source_folder_unittests/",
        "-p",
        "*_test.py"
    ],
    "python.testing.pytestEnabled": false,
    "python.testing.unittestEnabled": true,
}

Does VS Code not recognize unit tests in subfolders? Or am I missing something I have to do? I already added the source_folder to the PYTHONPATH environment variable.

Try adding the file __init__.py in every folder on your project. I'm not sure this is the cause, but it is worth a try. — Iran Ribeiro
– Iran Ribeiro, Commented Jan 11 at 21:39

BRZ owner · Accepted Answer · 2025-01-13 07:41:16Z

0

From Test discovery

Tip: Sometimes tests placed in subfolders aren't discovered because such test files cannot be imported. To make them importable, create an empty file named __init__.py in that folder.

Add __init__.py in both

package1_folder, package2_folder, source_folder_unittests folder.

Then add the path in module1_test:

import sys
import os


sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../../source_folder')))

import unittest   
from package2_folder import module2

Settings.json add

"python.analysis.extraPaths": [
        "./source_folder"
    ],

answered Jan 13 at 7:41

BRZ owner

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1 Comment

BRZ owner Jan 20 at 1:37

@Blackbriar May I know if you have got any chance to check my answer?

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