63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
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import pytest
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import pandas as pd
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import pandas._testing as tm
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class TestDatetimeIndexFillNA:
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@pytest.mark.parametrize("tz", ["US/Eastern", "Asia/Tokyo"])
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def test_fillna_datetime64(self, tz):
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# GH 11343
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idx = pd.DatetimeIndex(["2011-01-01 09:00", pd.NaT, "2011-01-01 11:00"])
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exp = pd.DatetimeIndex(
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["2011-01-01 09:00", "2011-01-01 10:00", "2011-01-01 11:00"]
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)
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tm.assert_index_equal(idx.fillna(pd.Timestamp("2011-01-01 10:00")), exp)
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# tz mismatch
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exp = pd.Index(
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[
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pd.Timestamp("2011-01-01 09:00"),
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pd.Timestamp("2011-01-01 10:00", tz=tz),
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pd.Timestamp("2011-01-01 11:00"),
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],
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dtype=object,
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)
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tm.assert_index_equal(idx.fillna(pd.Timestamp("2011-01-01 10:00", tz=tz)), exp)
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# object
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exp = pd.Index(
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[pd.Timestamp("2011-01-01 09:00"), "x", pd.Timestamp("2011-01-01 11:00")],
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dtype=object,
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)
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tm.assert_index_equal(idx.fillna("x"), exp)
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idx = pd.DatetimeIndex(["2011-01-01 09:00", pd.NaT, "2011-01-01 11:00"], tz=tz)
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exp = pd.DatetimeIndex(
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["2011-01-01 09:00", "2011-01-01 10:00", "2011-01-01 11:00"], tz=tz
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)
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tm.assert_index_equal(idx.fillna(pd.Timestamp("2011-01-01 10:00", tz=tz)), exp)
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exp = pd.Index(
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[
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pd.Timestamp("2011-01-01 09:00", tz=tz),
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pd.Timestamp("2011-01-01 10:00"),
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pd.Timestamp("2011-01-01 11:00", tz=tz),
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],
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dtype=object,
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)
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tm.assert_index_equal(idx.fillna(pd.Timestamp("2011-01-01 10:00")), exp)
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# object
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exp = pd.Index(
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[
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pd.Timestamp("2011-01-01 09:00", tz=tz),
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"x",
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pd.Timestamp("2011-01-01 11:00", tz=tz),
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],
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dtype=object,
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)
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tm.assert_index_equal(idx.fillna("x"), exp)
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