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| from datetime import datetime
|
| import pytest
|
| from pandas._libs import tslib
|
| from pandas import Timestamp
|
|
| @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)),
| ("2013-1-1 5:30:00+01:00", Timestamp(2013, 1, 1, 5, 30, tz="UTC+01:00")),
| ],
| )
| 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
|
|
