Greetings,
I'm writing a chess engine to learn about Python classes and
inheritance, and using pytest for the unit test. I've created a Piece
class, which has 99% of the functionality for a chess piece, and
subclass the other pieces -- Bishop, King, Knight, Pawn, Queen, Rook --
that will implement the move-specific functionality. I'm not sure what's
the best strategy is for testing the class and subclasses.
I initially wrote unit tests for the class and subclasses (including
tests for class-only functionality). That worked well until I started
refactoring code and breaking the tests. Too much copy, paste and
renaming for my taste.
I tried to create a separate class and/or module to import the common
tests for each class and subclass. My attempts often ended in failure
with the "RuntimeError: super(): no arguments" message. I couldn't find
a working example on the Internet on how to do that. The pytest
documentation is all over the place.
Is there a way to reuse tests in pytest?
Or should I test everything in the class and test only the implemented
functionality in the subclasses?
Thank you,
Chris R.
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