29 lines
646 B
Python
29 lines
646 B
Python
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import pytest
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from pandas.compat import PY311
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from pandas import (
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offsets,
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period_range,
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)
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import pandas._testing as tm
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class TestFreq:
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def test_freq_setter_deprecated(self):
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# GH#20678
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idx = period_range("2018Q1", periods=4, freq="Q")
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# no warning for getter
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with tm.assert_produces_warning(None):
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idx.freq
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# warning for setter
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msg = (
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"property 'freq' of 'PeriodArray' object has no setter"
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if PY311
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else "can't set attribute"
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)
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with pytest.raises(AttributeError, match=msg):
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idx.freq = offsets.Day()
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