craftbeerpi4-pione/venv3/lib/python3.7/site-packages/pandas/tests/indexes/test_indexing.py
2021-03-03 23:49:41 +01:00

98 lines
2.8 KiB
Python

"""
test_indexing tests the following Index methods:
__getitem__
get_loc
get_value
__contains__
take
where
get_indexer
slice_locs
asof_locs
The corresponding tests.indexes.[index_type].test_indexing files
contain tests for the corresponding methods specific to those Index subclasses.
"""
import numpy as np
import pytest
from pandas import Float64Index, Index, Int64Index, UInt64Index
import pandas._testing as tm
class TestContains:
@pytest.mark.parametrize(
"index,val",
[
(Index([0, 1, 2]), 2),
(Index([0, 1, "2"]), "2"),
(Index([0, 1, 2, np.inf, 4]), 4),
(Index([0, 1, 2, np.nan, 4]), 4),
(Index([0, 1, 2, np.inf]), np.inf),
(Index([0, 1, 2, np.nan]), np.nan),
],
)
def test_index_contains(self, index, val):
assert val in index
@pytest.mark.parametrize(
"index,val",
[
(Index([0, 1, 2]), "2"),
(Index([0, 1, "2"]), 2),
(Index([0, 1, 2, np.inf]), 4),
(Index([0, 1, 2, np.nan]), 4),
(Index([0, 1, 2, np.inf]), np.nan),
(Index([0, 1, 2, np.nan]), np.inf),
# Checking if np.inf in Int64Index should not cause an OverflowError
# Related to GH 16957
(Int64Index([0, 1, 2]), np.inf),
(Int64Index([0, 1, 2]), np.nan),
(UInt64Index([0, 1, 2]), np.inf),
(UInt64Index([0, 1, 2]), np.nan),
],
)
def test_index_not_contains(self, index, val):
assert val not in index
@pytest.mark.parametrize(
"index,val", [(Index([0, 1, "2"]), 0), (Index([0, 1, "2"]), "2")]
)
def test_mixed_index_contains(self, index, val):
# GH#19860
assert val in index
@pytest.mark.parametrize(
"index,val", [(Index([0, 1, "2"]), "1"), (Index([0, 1, "2"]), 2)]
)
def test_mixed_index_not_contains(self, index, val):
# GH#19860
assert val not in index
def test_contains_with_float_index(self):
# GH#22085
integer_index = Int64Index([0, 1, 2, 3])
uinteger_index = UInt64Index([0, 1, 2, 3])
float_index = Float64Index([0.1, 1.1, 2.2, 3.3])
for index in (integer_index, uinteger_index):
assert 1.1 not in index
assert 1.0 in index
assert 1 in index
assert 1.1 in float_index
assert 1.0 not in float_index
assert 1 not in float_index
@pytest.mark.parametrize(
"idx", [Index([1, 2, 3]), Index([0.1, 0.2, 0.3]), Index(["a", "b", "c"])]
)
def test_getitem_deprecated_float(idx):
# https://github.com/pandas-dev/pandas/issues/34191
with tm.assert_produces_warning(FutureWarning):
result = idx[1.0]
expected = idx[1]
assert result == expected