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- import numpy as np
- import pytz
- from pandas._libs.tslibs import (
- Resolution,
- get_resolution,
- )
- from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
- def test_get_resolution_nano():
- # don't return the fallback RESO_DAY
- arr = np.array([1], dtype=np.int64)
- res = get_resolution(arr)
- assert res == Resolution.RESO_NS
- def test_get_resolution_non_nano_data():
- arr = np.array([1], dtype=np.int64)
- res = get_resolution(arr, None, NpyDatetimeUnit.NPY_FR_us.value)
- assert res == Resolution.RESO_US
- res = get_resolution(arr, pytz.UTC, NpyDatetimeUnit.NPY_FR_us.value)
- assert res == Resolution.RESO_US
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