48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
import pytest
|
|
|
|
from pandas import (
|
|
Index,
|
|
MultiIndex,
|
|
Series,
|
|
)
|
|
import pandas._testing as tm
|
|
|
|
|
|
class TestSeriesRenameAxis:
|
|
def test_rename_axis_mapper(self):
|
|
# GH 19978
|
|
mi = MultiIndex.from_product([["a", "b", "c"], [1, 2]], names=["ll", "nn"])
|
|
ser = Series(list(range(len(mi))), index=mi)
|
|
|
|
result = ser.rename_axis(index={"ll": "foo"})
|
|
assert result.index.names == ["foo", "nn"]
|
|
|
|
result = ser.rename_axis(index=str.upper, axis=0)
|
|
assert result.index.names == ["LL", "NN"]
|
|
|
|
result = ser.rename_axis(index=["foo", "goo"])
|
|
assert result.index.names == ["foo", "goo"]
|
|
|
|
with pytest.raises(TypeError, match="unexpected"):
|
|
ser.rename_axis(columns="wrong")
|
|
|
|
def test_rename_axis_inplace(self, datetime_series):
|
|
# GH 15704
|
|
expected = datetime_series.rename_axis("foo")
|
|
result = datetime_series
|
|
no_return = result.rename_axis("foo", inplace=True)
|
|
|
|
assert no_return is None
|
|
tm.assert_series_equal(result, expected)
|
|
|
|
@pytest.mark.parametrize("kwargs", [{"mapper": None}, {"index": None}, {}])
|
|
def test_rename_axis_none(self, kwargs):
|
|
# GH 25034
|
|
index = Index(list("abc"), name="foo")
|
|
ser = Series([1, 2, 3], index=index)
|
|
|
|
result = ser.rename_axis(**kwargs)
|
|
expected_index = index.rename(None) if kwargs else index
|
|
expected = Series([1, 2, 3], index=expected_index)
|
|
tm.assert_series_equal(result, expected)
|