34 lines
963 B
Python
34 lines
963 B
Python
|
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)
|