[Solved] You have this project structure: project/ tests/ test_main.py utils.py Running pytest does not run tests inside utils.py. What is the likely problem? | PyTest

PyTest - Basics and Setup

You have this project structure:

project/
  tests/
    test_main.py
    utils.py

Running pytest does not run tests inside utils.py. What is the likely problem?

Atest_main.py is empty

Butils.py is not named as a test file

Ctests folder is missing __init__.py

Dpytest is not installed

Step-by-Step Solution

Solution:

Step 1: Check test file naming rules
pytest only discovers files starting with test_ or ending with _test.py.
Step 2: Analyze given files
utils.py is not a test file name, so tests inside it won't be found.
Final Answer:
utils.py is not named as a test file -> Option B
Quick Check:
Test file must start with 'test_' [OK]

Quick Trick: Name test files starting with 'test_' to be discovered [OK]

Common Mistakes:

MISTAKES

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You have this project structure: