from decimal import Decimal import datetime import unittest import pytz from dsmr_parser import obis_references as obis from dsmr_parser import telegram_specifications from dsmr_parser.exceptions import InvalidChecksumError, ParseError from dsmr_parser.objects import CosemObject, MBusObject from dsmr_parser.parsers import TelegramParser from test.example_telegrams import TELEGRAM_V4_2 class TelegramParserV4_2Test(unittest.TestCase): """ Test parsing of a DSMR v4.2 telegram. """ def test_parse(self): parser = TelegramParser(telegram_specifications.V4) try: result = parser.parse(TELEGRAM_V4_2, throw_ex=True) except Exception as ex: assert False, f"parse trigged an exception {ex}" # P1_MESSAGE_HEADER (1-3:0.2.8) assert isinstance(result[obis.P1_MESSAGE_HEADER], CosemObject) assert result[obis.P1_MESSAGE_HEADER].unit is None assert isinstance(result[obis.P1_MESSAGE_HEADER].value, str) assert result[obis.P1_MESSAGE_HEADER].value == '42' # P1_MESSAGE_TIMESTAMP (0-0:1.0.0) assert isinstance(result[obis.P1_MESSAGE_TIMESTAMP], CosemObject) assert result[obis.P1_MESSAGE_TIMESTAMP].unit is None assert isinstance(result[obis.P1_MESSAGE_TIMESTAMP].value, datetime.datetime) assert result[obis.P1_MESSAGE_TIMESTAMP].value == \ datetime.datetime(2016, 11, 13, 19, 57, 57, tzinfo=pytz.UTC) # ELECTRICITY_USED_TARIFF_1 (1-0:1.8.1) assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_1], CosemObject) assert result[obis.ELECTRICITY_USED_TARIFF_1].unit == 'kWh' assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_1].value, Decimal) assert result[obis.ELECTRICITY_USED_TARIFF_1].value == Decimal('1581.123') # ELECTRICITY_USED_TARIFF_2 (1-0:1.8.2) assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_2], CosemObject) assert result[obis.ELECTRICITY_USED_TARIFF_2].unit == 'kWh' assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_2].value, Decimal) assert result[obis.ELECTRICITY_USED_TARIFF_2].value == Decimal('1435.706') # ELECTRICITY_DELIVERED_TARIFF_1 (1-0:2.8.1) assert isinstance(result[obis.ELECTRICITY_DELIVERED_TARIFF_1], CosemObject) assert result[obis.ELECTRICITY_DELIVERED_TARIFF_1].unit == 'kWh' assert isinstance(result[obis.ELECTRICITY_DELIVERED_TARIFF_1].value, Decimal) assert result[obis.ELECTRICITY_DELIVERED_TARIFF_1].value == Decimal('0') # ELECTRICITY_DELIVERED_TARIFF_2 (1-0:2.8.2) assert isinstance(result[obis.ELECTRICITY_DELIVERED_TARIFF_2], CosemObject) assert result[obis.ELECTRICITY_DELIVERED_TARIFF_2].unit == 'kWh' assert isinstance(result[obis.ELECTRICITY_DELIVERED_TARIFF_2].value, Decimal) assert result[obis.ELECTRICITY_DELIVERED_TARIFF_2].value == Decimal('0') # ELECTRICITY_ACTIVE_TARIFF (0-0:96.14.0) assert isinstance(result[obis.ELECTRICITY_ACTIVE_TARIFF], CosemObject) assert result[obis.ELECTRICITY_ACTIVE_TARIFF].unit is None assert isinstance(result[obis.ELECTRICITY_ACTIVE_TARIFF].value, str) assert result[obis.ELECTRICITY_ACTIVE_TARIFF].value == '0002' # EQUIPMENT_IDENTIFIER (0-0:96.1.1) assert isinstance(result[obis.EQUIPMENT_IDENTIFIER], CosemObject) assert result[obis.EQUIPMENT_IDENTIFIER].unit is None assert isinstance(result[obis.EQUIPMENT_IDENTIFIER].value, str) assert result[obis.EQUIPMENT_IDENTIFIER].value == '3960221976967177082151037881335713' # CURRENT_ELECTRICITY_USAGE (1-0:1.7.0) assert isinstance(result[obis.CURRENT_ELECTRICITY_USAGE], CosemObject) assert result[obis.CURRENT_ELECTRICITY_USAGE].unit == 'kW' assert isinstance(result[obis.CURRENT_ELECTRICITY_USAGE].value, Decimal) assert result[obis.CURRENT_ELECTRICITY_USAGE].value == Decimal('2.027') # CURRENT_ELECTRICITY_DELIVERY (1-0:2.7.0) assert isinstance(result[obis.CURRENT_ELECTRICITY_DELIVERY], CosemObject) assert result[obis.CURRENT_ELECTRICITY_DELIVERY].unit == 'kW' assert isinstance(result[obis.CURRENT_ELECTRICITY_DELIVERY].value, Decimal) assert result[obis.CURRENT_ELECTRICITY_DELIVERY].value == Decimal('0') # SHORT_POWER_FAILURE_COUNT (1-0:96.7.21) assert isinstance(result[obis.SHORT_POWER_FAILURE_COUNT], CosemObject) assert result[obis.SHORT_POWER_FAILURE_COUNT].unit is None assert isinstance(result[obis.SHORT_POWER_FAILURE_COUNT].value, int) assert result[obis.SHORT_POWER_FAILURE_COUNT].value == 15 # LONG_POWER_FAILURE_COUNT (96.7.9) assert isinstance(result[obis.LONG_POWER_FAILURE_COUNT], CosemObject) assert result[obis.LONG_POWER_FAILURE_COUNT].unit is None assert isinstance(result[obis.LONG_POWER_FAILURE_COUNT].value, int) assert result[obis.LONG_POWER_FAILURE_COUNT].value == 7 # VOLTAGE_SAG_L1_COUNT (1-0:32.32.0) assert isinstance(result[obis.VOLTAGE_SAG_L1_COUNT], CosemObject) assert result[obis.VOLTAGE_SAG_L1_COUNT].unit is None assert isinstance(result[obis.VOLTAGE_SAG_L1_COUNT].value, int) assert result[obis.VOLTAGE_SAG_L1_COUNT].value == 0 # VOLTAGE_SAG_L2_COUNT (1-0:52.32.0) assert isinstance(result[obis.VOLTAGE_SAG_L2_COUNT], CosemObject) assert result[obis.VOLTAGE_SAG_L2_COUNT].unit is None assert isinstance(result[obis.VOLTAGE_SAG_L2_COUNT].value, int) assert result[obis.VOLTAGE_SAG_L2_COUNT].value == 0 # VOLTAGE_SAG_L3_COUNT (1-0:72.32.0) assert isinstance(result[obis.VOLTAGE_SAG_L3_COUNT], CosemObject) assert result[obis.VOLTAGE_SAG_L3_COUNT].unit is None assert isinstance(result[obis.VOLTAGE_SAG_L3_COUNT].value, int) assert result[obis.VOLTAGE_SAG_L3_COUNT].value == 0 # VOLTAGE_SWELL_L1_COUNT (1-0:32.36.0) assert isinstance(result[obis.VOLTAGE_SWELL_L1_COUNT], CosemObject) assert result[obis.VOLTAGE_SWELL_L1_COUNT].unit is None assert isinstance(result[obis.VOLTAGE_SWELL_L1_COUNT].value, int) assert result[obis.VOLTAGE_SWELL_L1_COUNT].value == 0 # VOLTAGE_SWELL_L2_COUNT (1-0:52.36.0) assert isinstance(result[obis.VOLTAGE_SWELL_L2_COUNT], CosemObject) assert result[obis.VOLTAGE_SWELL_L2_COUNT].unit is None assert isinstance(result[obis.VOLTAGE_SWELL_L2_COUNT].value, int) assert result[obis.VOLTAGE_SWELL_L2_COUNT].value == 0 # VOLTAGE_SWELL_L3_COUNT (1-0:72.36.0) assert isinstance(result[obis.VOLTAGE_SWELL_L3_COUNT], CosemObject) assert result[obis.VOLTAGE_SWELL_L3_COUNT].unit is None assert isinstance(result[obis.VOLTAGE_SWELL_L3_COUNT].value, int) assert result[obis.VOLTAGE_SWELL_L3_COUNT].value == 0 # TEXT_MESSAGE_CODE (0-0:96.13.1) assert isinstance(result[obis.TEXT_MESSAGE_CODE], CosemObject) assert result[obis.TEXT_MESSAGE_CODE].unit is None assert result[obis.TEXT_MESSAGE_CODE].value is None # TEXT_MESSAGE (0-0:96.13.0) assert isinstance(result[obis.TEXT_MESSAGE], CosemObject) assert result[obis.TEXT_MESSAGE].unit is None assert result[obis.TEXT_MESSAGE].value is None # INSTANTANEOUS_CURRENT_L1 (1-0:31.7.0) assert isinstance(result[obis.INSTANTANEOUS_CURRENT_L1], CosemObject) assert result[obis.INSTANTANEOUS_CURRENT_L1].unit == 'A' assert isinstance(result[obis.INSTANTANEOUS_CURRENT_L1].value, Decimal) assert result[obis.INSTANTANEOUS_CURRENT_L1].value == Decimal('0') # INSTANTANEOUS_CURRENT_L2 (1-0:51.7.0) assert isinstance(result[obis.INSTANTANEOUS_CURRENT_L2], CosemObject) assert result[obis.INSTANTANEOUS_CURRENT_L2].unit == 'A' assert isinstance(result[obis.INSTANTANEOUS_CURRENT_L2].value, Decimal) assert result[obis.INSTANTANEOUS_CURRENT_L2].value == Decimal('6') # INSTANTANEOUS_CURRENT_L3 (1-0:71.7.0) assert isinstance(result[obis.INSTANTANEOUS_CURRENT_L3], CosemObject) assert result[obis.INSTANTANEOUS_CURRENT_L3].unit == 'A' assert isinstance(result[obis.INSTANTANEOUS_CURRENT_L3].value, Decimal) assert result[obis.INSTANTANEOUS_CURRENT_L3].value == Decimal('2') # DEVICE_TYPE (0-x:24.1.0) assert isinstance(result[obis.DEVICE_TYPE], CosemObject) assert result[obis.DEVICE_TYPE].unit is None assert isinstance(result[obis.DEVICE_TYPE].value, int) assert result[obis.DEVICE_TYPE].value == 3 # INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE (1-0:21.7.0) assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE], CosemObject) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE].unit == 'kW' assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE].value, Decimal) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE].value == Decimal('0.170') # INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE (1-0:41.7.0) assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE], CosemObject) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE].unit == 'kW' assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE].value, Decimal) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE].value == Decimal('1.247') # INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE (1-0:61.7.0) assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE], CosemObject) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE].unit == 'kW' assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE].value, Decimal) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE].value == Decimal('0.209') # INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE (1-0:22.7.0) assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE], CosemObject) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE].unit == 'kW' assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE].value, Decimal) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE].value == Decimal('0') # INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE (1-0:42.7.0) assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE], CosemObject) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE].unit == 'kW' assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE].value, Decimal) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE].value == Decimal('0') # INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE (1-0:62.7.0) assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE], CosemObject) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE].unit == 'kW' assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE].value, Decimal) assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE].value == Decimal('0') # EQUIPMENT_IDENTIFIER_GAS (0-x:96.1.0) assert isinstance(result[obis.EQUIPMENT_IDENTIFIER_GAS], CosemObject) assert result[obis.EQUIPMENT_IDENTIFIER_GAS].unit is None assert isinstance(result[obis.EQUIPMENT_IDENTIFIER_GAS].value, str) assert result[obis.EQUIPMENT_IDENTIFIER_GAS].value == '4819243993373755377509728609491464' # HOURLY_GAS_METER_READING (0-1:24.2.1) assert isinstance(result[obis.HOURLY_GAS_METER_READING], MBusObject) assert result[obis.HOURLY_GAS_METER_READING].unit == 'm3' assert isinstance(result[obis.HOURLY_GAS_METER_READING].value, Decimal) assert result[obis.HOURLY_GAS_METER_READING].value == Decimal('981.443') # POWER_EVENT_FAILURE_LOG (99.97.0) # TODO to be implemented # ACTUAL_TRESHOLD_ELECTRICITY (0-0:17.0.0) # TODO to be implemented # ACTUAL_SWITCH_POSITION (0-0:96.3.10) # TODO to be implemented # VALVE_POSITION_GAS (0-x:24.4.0) # TODO to be implemented def test_checksum_valid(self): # No exception is raised. TelegramParser.validate_checksum(TELEGRAM_V4_2) def test_checksum_invalid(self): # Remove the electricty used data value. This causes the checksum to # not match anymore. corrupted_telegram = TELEGRAM_V4_2.replace( '1-0:1.8.1(001581.123*kWh)\r\n', '' ) with self.assertRaises(InvalidChecksumError): TelegramParser.validate_checksum(corrupted_telegram) def test_checksum_missing(self): # Remove the checksum value causing a ParseError. corrupted_telegram = TELEGRAM_V4_2.replace('!6796\r\n', '') with self.assertRaises(ParseError): TelegramParser.validate_checksum(corrupted_telegram)