How do you test the argument parsing bit of an application that uses argparse?
This episode covers:
- Design for Test: Structuring your app or script so it's easier to test.
- pytest & capsys for testing stdout
- Adding debug and preview flags for debugging and testing
- And reverting to subprocess.run if you can't modify the code under test
Also, there's a full writeup and code samples available:
- Blog post: Testing argparse ApplicationsÂ
- Code Repo
The Complete pytest Course
- For the fastest way to learn pytest, go to courses.pythontest.com
- Whether your new to testing or pytest, or just want to maximize your efficiency and effectiveness when testing.