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35 lines
938 B
35 lines
938 B
import numpy as np
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import pandas as pd
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from pandas import (
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Categorical,
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Series,
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)
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import pandas._testing as tm
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class TestSeriesCount:
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def test_count(self, datetime_series):
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assert datetime_series.count() == len(datetime_series)
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datetime_series[::2] = np.nan
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assert datetime_series.count() == np.isfinite(datetime_series).sum()
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def test_count_inf_as_na(self):
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# GH#29478
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ser = Series([pd.Timestamp("1990/1/1")])
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msg = "use_inf_as_na option is deprecated"
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with tm.assert_produces_warning(FutureWarning, match=msg):
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with pd.option_context("use_inf_as_na", True):
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assert ser.count() == 1
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def test_count_categorical(self):
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ser = Series(
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Categorical(
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[np.nan, 1, 2, np.nan], categories=[5, 4, 3, 2, 1], ordered=True
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)
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)
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result = ser.count()
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assert result == 2
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