def test(self, create_from_udp, convert_datetime):
msg = '[ "2015-01-01T00:01:19Z", "", {"@":"414a","+":4,"vac|h":3,"v|%":0,"tT|C":7,"vC|%":50} ]'
measurements = Measurement.create_from_log(msg)
create_from_udp.assert_called_once_with('{"@":"414a","+":4,"vac|h":3,"v|%":0,"tT|C":7,"vC|%":50}', datetime=convert_datetime())
