ai-content-maker/.venv/Lib/site-packages/pandas/tests/tslibs/test_parse_iso8601.py

73 lines
2.0 KiB
Python

from datetime import datetime
import pytest
from pandas._libs import tslib
@pytest.mark.parametrize(
"date_str, exp",
[
("2011-01-02", datetime(2011, 1, 2)),
("2011-1-2", datetime(2011, 1, 2)),
("2011-01", datetime(2011, 1, 1)),
("2011-1", datetime(2011, 1, 1)),
("2011 01 02", datetime(2011, 1, 2)),
("2011.01.02", datetime(2011, 1, 2)),
("2011/01/02", datetime(2011, 1, 2)),
("2011\\01\\02", datetime(2011, 1, 2)),
("2013-01-01 05:30:00", datetime(2013, 1, 1, 5, 30)),
("2013-1-1 5:30:00", datetime(2013, 1, 1, 5, 30)),
],
)
def test_parsers_iso8601(date_str, exp):
# see gh-12060
#
# Test only the ISO parser - flexibility to
# different separators and leading zero's.
actual = tslib._test_parse_iso8601(date_str)
assert actual == exp
@pytest.mark.parametrize(
"date_str",
[
"2011-01/02",
"2011=11=11",
"201401",
"201111",
"200101",
# Mixed separated and unseparated.
"2005-0101",
"200501-01",
"20010101 12:3456",
"20010101 1234:56",
# HHMMSS must have two digits in
# each component if unseparated.
"20010101 1",
"20010101 123",
"20010101 12345",
"20010101 12345Z",
],
)
def test_parsers_iso8601_invalid(date_str):
msg = f'Error parsing datetime string "{date_str}"'
with pytest.raises(ValueError, match=msg):
tslib._test_parse_iso8601(date_str)
def test_parsers_iso8601_invalid_offset_invalid():
date_str = "2001-01-01 12-34-56"
msg = f'Timezone hours offset out of range in datetime string "{date_str}"'
with pytest.raises(ValueError, match=msg):
tslib._test_parse_iso8601(date_str)
def test_parsers_iso8601_leading_space():
# GH#25895 make sure isoparser doesn't overflow with long input
date_str, expected = ("2013-1-1 5:30:00", datetime(2013, 1, 1, 5, 30))
actual = tslib._test_parse_iso8601(" " * 200 + date_str)
assert actual == expected