


How to Run Unit Tests in a Standard Python Project Directory Structure?
Nov 28, 2024 am 10:53 AMRunning Unit Tests with Standard Directory Structure
Consider the following prevalent directory structure for a Python module:
new_project/ antigravity/ antigravity.py test/ test_antigravity.py setup.py etc.
The question arises: how do we execute the tests? While it's tempting to simply run python test_antigravity.py from the test directory, this will fail due to the module's absence in the import path.
Utilizing the unittest CLI
The recommended approach is leveraging the unittest command line interface (CLI), which automatically augments the sys.path with the necessary directories.
Running a Single Test
For instance, to run a single test module (test_antigravity.py), navigate to the new_project directory and execute:
python -m unittest test.test_antigravity
Importing Modules
For a directory structure like the one provided, it's crucial to convert both antigravity and test into packages by including __init__.py files within both directories. This allows for seamless import of the antigravity package and its modules within the test module.
Running All Tests
To execute all tests, leverage test discovery, which automatically identifies and runs all test modules and packages (with names starting with test*). Navigate to the new_project directory and run:
python -m unittest discover
Instructions for Users
To simplify the process for users, provide clear instructions:
To run the unit tests: ``` cd new_project```
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