Inzynierka/Lib/site-packages/pandas/tests/indexes/datetimes/methods/test_repeat.py

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2023-06-02 12:51:02 +02:00
import numpy as np
import pytest
from pandas import (
DatetimeIndex,
Timestamp,
date_range,
)
import pandas._testing as tm
class TestRepeat:
def test_repeat_range(self, tz_naive_fixture):
tz = tz_naive_fixture
rng = date_range("1/1/2000", "1/1/2001")
result = rng.repeat(5)
assert result.freq is None
assert len(result) == 5 * len(rng)
index = date_range("2001-01-01", periods=2, freq="D", tz=tz)
exp = DatetimeIndex(
["2001-01-01", "2001-01-01", "2001-01-02", "2001-01-02"], tz=tz
)
for res in [index.repeat(2), np.repeat(index, 2)]:
tm.assert_index_equal(res, exp)
assert res.freq is None
index = date_range("2001-01-01", periods=2, freq="2D", tz=tz)
exp = DatetimeIndex(
["2001-01-01", "2001-01-01", "2001-01-03", "2001-01-03"], tz=tz
)
for res in [index.repeat(2), np.repeat(index, 2)]:
tm.assert_index_equal(res, exp)
assert res.freq is None
index = DatetimeIndex(["2001-01-01", "NaT", "2003-01-01"], tz=tz)
exp = DatetimeIndex(
[
"2001-01-01",
"2001-01-01",
"2001-01-01",
"NaT",
"NaT",
"NaT",
"2003-01-01",
"2003-01-01",
"2003-01-01",
],
tz=tz,
)
for res in [index.repeat(3), np.repeat(index, 3)]:
tm.assert_index_equal(res, exp)
assert res.freq is None
def test_repeat(self, tz_naive_fixture):
tz = tz_naive_fixture
reps = 2
msg = "the 'axis' parameter is not supported"
rng = date_range(start="2016-01-01", periods=2, freq="30Min", tz=tz)
expected_rng = DatetimeIndex(
[
Timestamp("2016-01-01 00:00:00", tz=tz),
Timestamp("2016-01-01 00:00:00", tz=tz),
Timestamp("2016-01-01 00:30:00", tz=tz),
Timestamp("2016-01-01 00:30:00", tz=tz),
]
)
res = rng.repeat(reps)
tm.assert_index_equal(res, expected_rng)
assert res.freq is None
tm.assert_index_equal(np.repeat(rng, reps), expected_rng)
with pytest.raises(ValueError, match=msg):
np.repeat(rng, reps, axis=1)