33 lines
813 B
Python
33 lines
813 B
Python
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import warnings
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import numpy as np
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import pytest
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from sklearn.utils import Bunch
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def test_bunch_attribute_deprecation():
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"""Check that bunch raises deprecation message with `__getattr__`."""
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bunch = Bunch()
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values = np.asarray([1, 2, 3])
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msg = (
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"Key: 'values', is deprecated in 1.3 and will be "
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"removed in 1.5. Please use 'grid_values' instead"
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)
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bunch._set_deprecated(
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values, new_key="grid_values", deprecated_key="values", warning_message=msg
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)
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with warnings.catch_warnings():
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# Does not warn for "grid_values"
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warnings.simplefilter("error")
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v = bunch["grid_values"]
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assert v is values
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with pytest.warns(FutureWarning, match=msg):
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# Warns for "values"
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v = bunch["values"]
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assert v is values
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