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35 lines
940 B
35 lines
940 B
"""
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We also test Series.notna in this file.
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"""
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import numpy as np
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from pandas import (
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Period,
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Series,
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)
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import pandas._testing as tm
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class TestIsna:
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def test_isna_period_dtype(self):
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# GH#13737
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ser = Series([Period("2011-01", freq="M"), Period("NaT", freq="M")])
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expected = Series([False, True])
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result = ser.isna()
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tm.assert_series_equal(result, expected)
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result = ser.notna()
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tm.assert_series_equal(result, ~expected)
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def test_isna(self):
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ser = Series([0, 5.4, 3, np.nan, -0.001])
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expected = Series([False, False, False, True, False])
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tm.assert_series_equal(ser.isna(), expected)
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tm.assert_series_equal(ser.notna(), ~expected)
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ser = Series(["hi", "", np.nan])
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expected = Series([False, False, True])
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tm.assert_series_equal(ser.isna(), expected)
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tm.assert_series_equal(ser.notna(), ~expected)
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