How would you test dataclasses and slots?

How would you test dataclasses and __slots__?

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Pros: Less boilerplate than manual classes; slots reduce per-instance dict overhead. Cons: Inheritance with slots tricky; default mutable fields need default_factory.

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How would you test dataclasses and __slots__?

How to answer this follow-up

Parent context — dataclasses and __slots__

How would you test dataclasses and slots?

Parent context — dataclasses and slots