120 lines
4.4 KiB
Python
120 lines
4.4 KiB
Python
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from datetime import datetime
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import pytest
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from pandas._libs import tslib
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from pandas import Timestamp
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@pytest.mark.parametrize(
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"date_str, exp",
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[
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("2011-01-02", datetime(2011, 1, 2)),
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("2011-1-2", datetime(2011, 1, 2)),
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("2011-01", datetime(2011, 1, 1)),
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("2011-1", datetime(2011, 1, 1)),
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("2011 01 02", datetime(2011, 1, 2)),
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("2011.01.02", datetime(2011, 1, 2)),
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("2011/01/02", datetime(2011, 1, 2)),
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("2011\\01\\02", datetime(2011, 1, 2)),
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("2013-01-01 05:30:00", datetime(2013, 1, 1, 5, 30)),
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("2013-1-1 5:30:00", datetime(2013, 1, 1, 5, 30)),
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("2013-1-1 5:30:00+01:00", Timestamp(2013, 1, 1, 5, 30, tz="UTC+01:00")),
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],
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)
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def test_parsers_iso8601(date_str, exp):
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# see gh-12060
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#
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# Test only the ISO parser - flexibility to
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# different separators and leading zero's.
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actual = tslib._test_parse_iso8601(date_str)
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assert actual == exp
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@pytest.mark.parametrize(
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"date_str",
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[
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"2011-01/02",
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"2011=11=11",
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"201401",
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"201111",
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"200101",
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# Mixed separated and unseparated.
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"2005-0101",
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"200501-01",
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"20010101 12:3456",
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"20010101 1234:56",
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# HHMMSS must have two digits in
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# each component if unseparated.
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"20010101 1",
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"20010101 123",
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"20010101 12345",
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"20010101 12345Z",
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],
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)
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def test_parsers_iso8601_invalid(date_str):
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msg = f'Error parsing datetime string "{date_str}"'
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with pytest.raises(ValueError, match=msg):
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tslib._test_parse_iso8601(date_str)
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def test_parsers_iso8601_invalid_offset_invalid():
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date_str = "2001-01-01 12-34-56"
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msg = f'Timezone hours offset out of range in datetime string "{date_str}"'
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with pytest.raises(ValueError, match=msg):
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tslib._test_parse_iso8601(date_str)
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def test_parsers_iso8601_leading_space():
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# GH#25895 make sure isoparser doesn't overflow with long input
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date_str, expected = ("2013-1-1 5:30:00", datetime(2013, 1, 1, 5, 30))
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actual = tslib._test_parse_iso8601(" " * 200 + date_str)
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assert actual == expected
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@pytest.mark.parametrize(
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"date_str, timespec, exp",
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[
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("2023-01-01 00:00:00", "auto", "2023-01-01T00:00:00"),
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("2023-01-01 00:00:00", "seconds", "2023-01-01T00:00:00"),
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("2023-01-01 00:00:00", "milliseconds", "2023-01-01T00:00:00.000"),
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("2023-01-01 00:00:00", "microseconds", "2023-01-01T00:00:00.000000"),
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("2023-01-01 00:00:00", "nanoseconds", "2023-01-01T00:00:00.000000000"),
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("2023-01-01 00:00:00.001", "auto", "2023-01-01T00:00:00.001000"),
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("2023-01-01 00:00:00.001", "seconds", "2023-01-01T00:00:00"),
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("2023-01-01 00:00:00.001", "milliseconds", "2023-01-01T00:00:00.001"),
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("2023-01-01 00:00:00.001", "microseconds", "2023-01-01T00:00:00.001000"),
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("2023-01-01 00:00:00.001", "nanoseconds", "2023-01-01T00:00:00.001000000"),
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("2023-01-01 00:00:00.000001", "auto", "2023-01-01T00:00:00.000001"),
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("2023-01-01 00:00:00.000001", "seconds", "2023-01-01T00:00:00"),
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("2023-01-01 00:00:00.000001", "milliseconds", "2023-01-01T00:00:00.000"),
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("2023-01-01 00:00:00.000001", "microseconds", "2023-01-01T00:00:00.000001"),
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("2023-01-01 00:00:00.000001", "nanoseconds", "2023-01-01T00:00:00.000001000"),
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("2023-01-01 00:00:00.000000001", "auto", "2023-01-01T00:00:00.000000001"),
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("2023-01-01 00:00:00.000000001", "seconds", "2023-01-01T00:00:00"),
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("2023-01-01 00:00:00.000000001", "milliseconds", "2023-01-01T00:00:00.000"),
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("2023-01-01 00:00:00.000000001", "microseconds", "2023-01-01T00:00:00.000000"),
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(
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"2023-01-01 00:00:00.000000001",
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"nanoseconds",
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"2023-01-01T00:00:00.000000001",
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),
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("2023-01-01 00:00:00.000001001", "auto", "2023-01-01T00:00:00.000001001"),
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("2023-01-01 00:00:00.000001001", "seconds", "2023-01-01T00:00:00"),
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("2023-01-01 00:00:00.000001001", "milliseconds", "2023-01-01T00:00:00.000"),
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("2023-01-01 00:00:00.000001001", "microseconds", "2023-01-01T00:00:00.000001"),
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(
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"2023-01-01 00:00:00.000001001",
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"nanoseconds",
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"2023-01-01T00:00:00.000001001",
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),
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],
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)
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def test_iso8601_formatter(date_str: str, timespec: str, exp: str):
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# GH#53020
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ts = Timestamp(date_str)
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assert ts.isoformat(timespec=timespec) == exp
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