58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
import numpy as np
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import pytest
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import pytz
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from pandas._libs.tslibs import (
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Resolution,
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get_resolution,
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)
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from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
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import pandas._testing as tm
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def test_get_resolution_nano():
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# don't return the fallback RESO_DAY
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arr = np.array([1], dtype=np.int64)
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res = get_resolution(arr)
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assert res == Resolution.RESO_NS
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def test_get_resolution_non_nano_data():
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arr = np.array([1], dtype=np.int64)
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res = get_resolution(arr, None, NpyDatetimeUnit.NPY_FR_us.value)
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assert res == Resolution.RESO_US
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res = get_resolution(arr, pytz.UTC, NpyDatetimeUnit.NPY_FR_us.value)
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assert res == Resolution.RESO_US
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@pytest.mark.parametrize(
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"freqstr,expected",
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[
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("Y", "year"),
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("Q", "quarter"),
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("M", "month"),
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("D", "day"),
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("h", "hour"),
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("min", "minute"),
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("s", "second"),
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("ms", "millisecond"),
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("us", "microsecond"),
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("ns", "nanosecond"),
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],
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)
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def test_get_attrname_from_abbrev(freqstr, expected):
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reso = Resolution.get_reso_from_freqstr(freqstr)
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assert reso.attr_abbrev == freqstr
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assert reso.attrname == expected
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@pytest.mark.parametrize("freq", ["A", "H", "T", "S", "L", "U", "N"])
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def test_units_A_H_T_S_L_U_N_deprecated_from_attrname_to_abbrevs(freq):
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# GH#52536
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msg = f"'{freq}' is deprecated and will be removed in a future version."
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with tm.assert_produces_warning(FutureWarning, match=msg):
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Resolution.get_reso_from_freqstr(freq)
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