209: Testing argparse Applications
Update: 2023-11-16
Description
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 Applications
- Code Repo
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