def test_unit_conversion(self): u = TimeSeriesProp('u', 'm/s', [datetime.datetime.now()], [ 5, ]) t = u.in_units('km/hr') assert t.data is not u.data assert round(t.data[0], 2) == 18.0 with pytest.raises(unit_conversion.NotSupportedUnitError): # mismatched data and dates length t = u.in_units('nm/hr')