41 lines
949 B
Python
41 lines
949 B
Python
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"""
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Tests for behavior if an author does *not* implement EA methods.
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"""
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import numpy as np
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import pytest
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import pandas._testing as tm
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from pandas.core.arrays import ExtensionArray
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class MyEA(ExtensionArray):
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def __init__(self, values) -> None:
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self._values = values
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@pytest.fixture
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def data():
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arr = np.arange(10)
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return MyEA(arr)
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class TestExtensionArray:
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def test_errors(self, data, all_arithmetic_operators):
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# invalid ops
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op_name = all_arithmetic_operators
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with pytest.raises(AttributeError):
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getattr(data, op_name)
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def test_depr_na_sentinel():
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# GH#46910
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msg = "The `na_sentinel` argument of `MyEA.factorize` is deprecated"
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with tm.assert_produces_warning(DeprecationWarning, match=msg):
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class MyEA(ExtensionArray):
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def factorize(self, na_sentinel=-1):
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pass
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with tm.assert_produces_warning(None):
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MyEA()
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