Add support in Model for mimicking the setting and deletion of properties

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def test_mimic_property():

class MyMetadata:

def __init__(self) -> None:

self._metadata: str | None = 'metadata'

@Property

def metadata(self):

return self._metadata

@metadata.setter

def metadata(self, value: str | None):

self._metadata = value

if value is None:

raise ValueError('Not allowed to reset to None')

@metadata.deleter

def metadata(self):

self._metadata = None

raise ValueError('Not allowed to delete metadata')

model = Model[MyMetadata]()

assert model.metadata == 'metadata'

model.metadata = 'my metadata'

assert model.metadata == 'my metadata'

with pytest.raises(ValueError):

model.metadata = None

assert model.metadata == 'my metadata'

with pytest.raises(ValueError):

del model.metadata

assert model.metadata == 'my metadata'

omnipy/tests/data/test_model.py

Line 1384 in b64d59c

# TODO: Add support in Model for mimicking the setting and deletion of properties

    assert float(model) == 10  # float(), int(), etc always converts


# TODO: Add support in Model for mimicking the setting and deletion of properties
# def test_mimic_property():
#     class MyMetadata:
#         def __init__(self) -> None:
#             self._metadata: str | None = 'metadata'
#
#         @property
#         def metadata(self):
#             return self._metadata
#
#         @metadata.setter
#         def metadata(self, value: str | None):
#             self._metadata = value
#
#             if value is None:
#                 raise ValueError('Not allowed to reset to None')
#
#         @metadata.deleter
#         def metadata(self):
#             self._metadata = None
#             raise ValueError('Not allowed to delete metadata')
#
#
#     model = Model[MyMetadata]()
#     assert model.metadata == 'metadata'
#
#     model.metadata = 'my metadata'
#     assert model.metadata == 'my metadata'
#
#     with pytest.raises(ValueError):
#         model.metadata = None
#
#     assert model.metadata == 'my metadata'
#
#     with pytest.raises(ValueError):
#         del model.metadata
#     assert model.metadata == 'my metadata'


def test_mimic_callable_property():
    # Example of previously failing callable property is pandas.DataFrame.loc

    class MyCallable:
        def __init__(self):
            self.called = False

        def __call__(self):
            self.called = True

    class MyCallableHolder:
        def __init__(self) -> None:
            self._func: Callable = MyCallable()

        @property
        def func(self) -> Callable:
            return self._func

    model = Model[MyCallableHolder]()
    assert model.func.called is False


def test_model_copy():
    ...