209: Testing argparse Applications

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:

The Complete pytest Course

Creators and Guests

Brian Okken
Brian Okken
Software Engineer, also on Python Bytes and Python People podcasts
209: Testing argparse Applications
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