import unittest from decimal import Decimal from dsmr_parser.exceptions import InvalidChecksumError, ParseError from dsmr_parser.objects import CosemObject from dsmr_parser.parsers import TelegramParser from dsmr_parser import telegram_specifications from dsmr_parser import obis_references as obis from test.example_telegrams import TELEGRAM_ISKRA_IE class TelegramParserIskraIETest(unittest.TestCase): """ Test parsing of a Iskra IE5 telegram. """ def test_parse(self): parser = TelegramParser(telegram_specifications.ISKRA_IE) try: result = parser.parse(TELEGRAM_ISKRA_IE, throw_ex=True) except Exception as ex: assert False, f"parse trigged an exception {ex}" # EQUIPMENT_IDENTIFIER_GAS (0-0:96.1.0) 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 == '09610' # 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('10.181') # 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('10.182') # 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('10.281') # 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('10.282') # 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 == '0001' # 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('0.170') # 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('0.270') # 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('0.217') # 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('0.417') # 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('0.617') # 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('0.227') # 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('0.427') # 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('0.627') # INSTANTANEOUS_VOLTAGE_L1 (1-0:32.7.0) assert isinstance(result[obis.INSTANTANEOUS_VOLTAGE_L1], CosemObject) assert result[obis.INSTANTANEOUS_VOLTAGE_L1].unit == 'V' assert isinstance(result[obis.INSTANTANEOUS_VOLTAGE_L1].value, Decimal) assert result[obis.INSTANTANEOUS_VOLTAGE_L1].value == Decimal('242.5') # INSTANTANEOUS_VOLTAGE_L2 (1-0:52.7.0) assert isinstance(result[obis.INSTANTANEOUS_VOLTAGE_L2], CosemObject) assert result[obis.INSTANTANEOUS_VOLTAGE_L2].unit == 'V' assert isinstance(result[obis.INSTANTANEOUS_VOLTAGE_L2].value, Decimal) assert result[obis.INSTANTANEOUS_VOLTAGE_L2].value == Decimal('241.7') # INSTANTANEOUS_VOLTAGE_L3 (1-0:72.7.0) assert isinstance(result[obis.INSTANTANEOUS_VOLTAGE_L3], CosemObject) assert result[obis.INSTANTANEOUS_VOLTAGE_L3].unit == 'V' assert isinstance(result[obis.INSTANTANEOUS_VOLTAGE_L3].value, Decimal) assert result[obis.INSTANTANEOUS_VOLTAGE_L3].value == Decimal('243.3') # 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('0.000') # 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('0.000') # 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('0.000') # ACTUAL_SWITCH_POSITION (0-0:96.3.10) assert isinstance(result[obis.ACTUAL_SWITCH_POSITION], CosemObject) assert result[obis.ACTUAL_SWITCH_POSITION].unit is None assert isinstance(result[obis.ACTUAL_SWITCH_POSITION].value, str) assert result[obis.ACTUAL_SWITCH_POSITION].value == '1' # 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 # EQUIPMENT_IDENTIFIER (0-0:96.1.1) assert isinstance(result[obis.EQUIPMENT_IDENTIFIER], CosemObject) assert result[obis.EQUIPMENT_IDENTIFIER].unit is None assert result[obis.EQUIPMENT_IDENTIFIER].value is None def test_checksum_valid(self): # No exception is raised. TelegramParser.validate_checksum(TELEGRAM_ISKRA_IE) def test_checksum_invalid(self): # Remove the electricty used data value. This causes the checksum to not match anymore. corrupted_telegram = TELEGRAM_ISKRA_IE.replace( '1-0:1.8.1(000010.181*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_ISKRA_IE.replace('!AD3B\r\n', '') with self.assertRaises(ParseError): TelegramParser.validate_checksum(corrupted_telegram)