Traktor/myenv/Lib/site-packages/sklearn/utils/tests/test_bunch.py
2024-05-26 05:12:46 +02:00

33 lines
813 B
Python

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