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29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
import unittest
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from .util import MemorySetup, Traversable
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class TestMemoryTraversableImplementation(unittest.TestCase):
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def test_concrete_methods_are_not_overridden(self):
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"""`MemoryTraversable` must not override `Traversable` concrete methods.
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This test is not an attempt to enforce a particular `Traversable` protocol;
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it merely catches changes in the `Traversable` abstract/concrete methods
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that have not been mirrored in the `MemoryTraversable` subclass.
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"""
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traversable_concrete_methods = {
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method
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for method, value in Traversable.__dict__.items()
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if callable(value) and method not in Traversable.__abstractmethods__
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}
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memory_traversable_concrete_methods = {
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method
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for method, value in MemorySetup.MemoryTraversable.__dict__.items()
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if callable(value) and not method.startswith("__")
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}
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overridden_methods = (
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memory_traversable_concrete_methods & traversable_concrete_methods
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)
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assert not overridden_methods
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