3RNN/Lib/site-packages/pandas/tests/indexes/interval/test_formats.py
2024-05-26 19:49:15 +02:00

120 lines
3.8 KiB
Python

import numpy as np
import pytest
from pandas._config import using_pyarrow_string_dtype
from pandas import (
DataFrame,
DatetimeIndex,
Index,
Interval,
IntervalIndex,
Series,
Timedelta,
Timestamp,
)
import pandas._testing as tm
class TestIntervalIndexRendering:
# TODO: this is a test for DataFrame/Series, not IntervalIndex
@pytest.mark.parametrize(
"constructor,expected",
[
(
Series,
(
"(0.0, 1.0] a\n"
"NaN b\n"
"(2.0, 3.0] c\n"
"dtype: object"
),
),
(DataFrame, (" 0\n(0.0, 1.0] a\nNaN b\n(2.0, 3.0] c")),
],
)
def test_repr_missing(self, constructor, expected, using_infer_string, request):
# GH 25984
if using_infer_string and constructor is Series:
request.applymarker(pytest.mark.xfail(reason="repr different"))
index = IntervalIndex.from_tuples([(0, 1), np.nan, (2, 3)])
obj = constructor(list("abc"), index=index)
result = repr(obj)
assert result == expected
@pytest.mark.xfail(using_pyarrow_string_dtype(), reason="repr different")
def test_repr_floats(self):
# GH 32553
markers = Series(
["foo", "bar"],
index=IntervalIndex(
[
Interval(left, right)
for left, right in zip(
Index([329.973, 345.137], dtype="float64"),
Index([345.137, 360.191], dtype="float64"),
)
]
),
)
result = str(markers)
expected = "(329.973, 345.137] foo\n(345.137, 360.191] bar\ndtype: object"
assert result == expected
@pytest.mark.parametrize(
"tuples, closed, expected_data",
[
([(0, 1), (1, 2), (2, 3)], "left", ["[0, 1)", "[1, 2)", "[2, 3)"]),
(
[(0.5, 1.0), np.nan, (2.0, 3.0)],
"right",
["(0.5, 1.0]", "NaN", "(2.0, 3.0]"],
),
(
[
(Timestamp("20180101"), Timestamp("20180102")),
np.nan,
((Timestamp("20180102"), Timestamp("20180103"))),
],
"both",
[
"[2018-01-01 00:00:00, 2018-01-02 00:00:00]",
"NaN",
"[2018-01-02 00:00:00, 2018-01-03 00:00:00]",
],
),
(
[
(Timedelta("0 days"), Timedelta("1 days")),
(Timedelta("1 days"), Timedelta("2 days")),
np.nan,
],
"neither",
[
"(0 days 00:00:00, 1 days 00:00:00)",
"(1 days 00:00:00, 2 days 00:00:00)",
"NaN",
],
),
],
)
def test_get_values_for_csv(self, tuples, closed, expected_data):
# GH 28210
index = IntervalIndex.from_tuples(tuples, closed=closed)
result = index._get_values_for_csv(na_rep="NaN")
expected = np.array(expected_data)
tm.assert_numpy_array_equal(result, expected)
def test_timestamp_with_timezone(self, unit):
# GH 55035
left = DatetimeIndex(["2020-01-01"], dtype=f"M8[{unit}, UTC]")
right = DatetimeIndex(["2020-01-02"], dtype=f"M8[{unit}, UTC]")
index = IntervalIndex.from_arrays(left, right)
result = repr(index)
expected = (
"IntervalIndex([(2020-01-01 00:00:00+00:00, 2020-01-02 00:00:00+00:00]], "
f"dtype='interval[datetime64[{unit}, UTC], right]')"
)
assert result == expected