from datetime import datetime
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import numpy as np
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from pandas import Series
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import pandas._testing as tm
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def test_reindex_like(datetime_series):
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other = datetime_series[::2]
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tm.assert_series_equal(
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datetime_series.reindex(other.index), datetime_series.reindex_like(other)
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)
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# GH#7179
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day1 = datetime(2013, 3, 5)
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day2 = datetime(2013, 5, 5)
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day3 = datetime(2014, 3, 5)
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series1 = Series([5, None, None], [day1, day2, day3])
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series2 = Series([None, None], [day1, day3])
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result = series1.reindex_like(series2, method="pad")
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expected = Series([5, np.nan], index=[day1, day3])
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tm.assert_series_equal(result, expected)
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def test_reindex_like_nearest():
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ser = Series(np.arange(10, dtype="int64"))
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target = [0.1, 0.9, 1.5, 2.0]
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other = ser.reindex(target, method="nearest")
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expected = Series(np.around(target).astype("int64"), target)
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result = ser.reindex_like(other, method="nearest")
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tm.assert_series_equal(expected, result)
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result = ser.reindex_like(other, method="nearest", tolerance=1)
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tm.assert_series_equal(expected, result)
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result = ser.reindex_like(other, method="nearest", tolerance=[1, 2, 3, 4])
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tm.assert_series_equal(expected, result)
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