Function test_decode_cf_timedelta_time_unit

xarray/tests/test_coding_times.py:636–649

(
    time_unit: PDDatetimeUnitOptions, encoding_unit
)

@pytest.mark.parametrize("encoding_unit", FREQUENCIES_TO_ENCODING_UNITS.values())
def test_decode_cf_timedelta_time_unit(
    time_unit: PDDatetimeUnitOptions, encoding_unit
) -> None:
    encoded = 1
    encoding_unit_as_numpy = _netcdf_to_numpy_timeunit(encoding_unit)
    if np.timedelta64(1, time_unit) > np.timedelta64(1, encoding_unit_as_numpy):
        expected = np.timedelta64(encoded, encoding_unit_as_numpy)
    else:
        expected = np.timedelta64(encoded, encoding_unit_as_numpy).astype(
            f"timedelta64[{time_unit}]"
        )
    result = decode_cf_timedelta(encoded, encoding_unit, time_unit)
    assert result == expected
    assert result.dtype == expected.dtype


def test_decode_cf_timedelta_time_unit_out_of_bounds(