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Re:Pynguin – Generate Python unit tests automatically by motoboi on Tuesday June 01, 2021 @12:40PM (#27357322)
A test fixes the behavior. When later the need to change the code arises, you have a meaningful way of comparing results.

Any test is better than none, I’m my opinion.

Re:Pynguin – Generate Python unit tests automatically by wpietri on Tuesday June 01, 2021 @12:55PM (#27357601)
That's definitely not true. Tests that lock in a bug or an accidental epiphenomenon of code are demonstrably worse, because they actively discourage improvement.