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- import pytest
- import pandas as pd
- from pandas import Series
- import pandas._testing as tm
- def test_take():
- ser = Series([-1, 5, 6, 2, 4])
- actual = ser.take([1, 3, 4])
- expected = Series([5, 2, 4], index=[1, 3, 4])
- tm.assert_series_equal(actual, expected)
- actual = ser.take([-1, 3, 4])
- expected = Series([4, 2, 4], index=[4, 3, 4])
- tm.assert_series_equal(actual, expected)
- msg = lambda x: f"index {x} is out of bounds for( axis 0 with)? size 5"
- with pytest.raises(IndexError, match=msg(10)):
- ser.take([1, 10])
- with pytest.raises(IndexError, match=msg(5)):
- ser.take([2, 5])
- def test_take_categorical():
- # https://github.com/pandas-dev/pandas/issues/20664
- ser = Series(pd.Categorical(["a", "b", "c"]))
- result = ser.take([-2, -2, 0])
- expected = Series(
- pd.Categorical(["b", "b", "a"], categories=["a", "b", "c"]), index=[1, 1, 0]
- )
- tm.assert_series_equal(result, expected)
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