Add support for Fluvius V1.7.1 DSMR messages

These include (since 1.6) the water mater messages. And since 1.7.X also peak usage values. https://maakjemeterslim.be/rails/active_storage/blobs/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZ0lEIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--cdd9b48fd0838e89b177f03b745b23450fd8f53e/e-MUCS_P1_Ed_1_7_1.pdf?disposition=attachment
2022-12-12 20:27:53 +01:00
parent e80ba9862b
commit d05fe2692b
7 changed files with 534 additions and 16 deletions
@@ -129,6 +129,48 @@ TELEGRAM_V5 = (
    '!6EEE\r\n'
 )

+TELEGRAM_FLUVIUS_V171 = (
+    '/FLU5\253769484_A\r\n'
+    '\r\n'
+    '0-0:96.1.4(50217)\r\n'
+    '0-0:96.1.1(3153414733313031303231363035)\r\n'
+    '0-0:1.0.0(200512135409S)\r\n'
+    '1-0:1.8.1(000000.034*kWh)\r\n'
+    '1-0:1.8.2(000015.758*kWh)\r\n'
+    '1-0:2.8.1(000000.000*kWh)\r\n'
+    '1-0:2.8.2(000000.011*kWh)\r\n'
+    '1-0:1.4.0(02.351*kW)\r\n'
+    '1-0:1.6.0(200509134558S)(02.589*kW)\r\n'
+    '0-0:98.1.0(3)(1-0:1.6.0)(1-0:1.6.0)(200501000000S)(200423192538S)(03.695*kW)(200401000000S)(200305122139S)(05.980*kW)(200301000000S)(200210035421W)(04.318*kW)\r\n'
+    '0-0:96.14.0(0001)\r\n'
+    '1-0:1.7.0(00.000*kW)\r\n'
+    '1-0:2.7.0(00.000*kW)\r\n'
+    '1-0:21.7.0(00.000*kW)\r\n'
+    '1-0:41.7.0(00.000*kW)\r\n'
+    '1-0:61.7.0(00.000*kW)\r\n'
+    '1-0:22.7.0(00.000*kW)\r\n'
+    '1-0:42.7.0(00.000*kW)\r\n'
+    '1-0:62.7.0(00.000*kW)\r\n'
+    '1-0:32.7.0(234.7*V)\r\n'
+    '1-0:52.7.0(234.7*V)\r\n'
+    '1-0:72.7.0(234.7*V)\r\n'
+    '1-0:31.7.0(000.00*A)\r\n'
+    '1-0:51.7.0(000.00*A)\r\n'
+    '1-0:71.7.0(000.00*A)\r\n'
+    '0-0:96.3.10(1)\r\n'
+    '0-0:17.0.0(999.9*kW)\r\n'
+    '1-0:31.4.0(999*A)\r\n'
+    '0-0:96.13.0()\r\n'
+    '0-1:24.1.0(003)\r\n'
+    '0-1:96.1.1(37464C4F32313139303333373333)\r\n'
+    '0-1:24.4.0(1)\r\n'
+    '0-1:24.2.3(200512134558S)(00112.384*m3)\r\n'
+    '0-2:24.1.0(007)\r\n'
+    '0-2:96.1.1(3853414731323334353637383930)\r\n'
+    '0-2:24.2.1(200512134558S)(00872.234*m3)\r\n'
+    '!911C\r\n'
+)
+
 # EasyMeter via COM-1 Ethernet Gateway
 # Q3D Manual (german) https://www.easymeter.com/downloads/products/zaehler/Q3D/Easymeter_Q3D_DE_2016-06-15.pdf
 #  - type code on page 8
@@ -0,0 +1,269 @@
+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, MBusObjectPeak
+from dsmr_parser.parsers import TelegramParser
+from test.example_telegrams import TELEGRAM_FLUVIUS_V171
+
+
+class TelegramParserFluviusTest(unittest.TestCase):
+    """ Test parsing of a DSMR Fluvius telegram. """
+
+    def test_parse(self):
+        parser = TelegramParser(telegram_specifications.BELGIUM_FLUVIUS)
+        result = parser.parse(TELEGRAM_FLUVIUS_V171)
+
+        # BELGIUM_VERSION_INFORMATION (0-0:96.1.4)
+        assert isinstance(result[obis.BELGIUM_VERSION_INFORMATION], CosemObject)
+        assert result[obis.BELGIUM_VERSION_INFORMATION].unit is None
+        assert isinstance(result[obis.BELGIUM_VERSION_INFORMATION].value, str)
+        assert result[obis.BELGIUM_VERSION_INFORMATION].value == '50217'
+
+        # 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 == '3153414733313031303231363035'
+
+        # 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(2020, 5, 12, 11, 54, 9, 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('0.034')
+
+        # 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('15.758')
+
+        # 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('0.000')
+
+        # 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('0.011')
+
+        # 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'
+
+        # BELGIUM_CURRENT_AVERAGE_DEMAND (1-0:1.4.0)
+        assert isinstance(result[obis.BELGIUM_CURRENT_AVERAGE_DEMAND], CosemObject)
+        assert result[obis.BELGIUM_CURRENT_AVERAGE_DEMAND].unit == 'kW'
+        assert isinstance(result[obis.BELGIUM_CURRENT_AVERAGE_DEMAND].value, Decimal)
+        assert result[obis.BELGIUM_CURRENT_AVERAGE_DEMAND].value == Decimal('2.351')
+
+        # BELGIUM_MAXIMUM_DEMAND_MONTH (1-0:1.6.0)
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_MONTH], MBusObject)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_MONTH].unit == 'kW'
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_MONTH].value, Decimal)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_MONTH].value == Decimal('2.589')
+
+        # BELGIUM_MAXIMUM_DEMAND_13_MONTHS (0-0:98.1.0) Value 0
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][0], MBusObjectPeak)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][0].unit == 'kW'
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][0].value, Decimal)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][0].value == Decimal('3.695')
+        # BELGIUM_MAXIMUM_DEMAND_13_MONTHS (0-0:98.1.0) Value 1
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][1], MBusObjectPeak)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][1].unit == 'kW'
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][1].value, Decimal)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][1].value == Decimal('5.980')
+        # BELGIUM_MAXIMUM_DEMAND_13_MONTHS (0-0:98.1.0) Value 2
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][2], MBusObjectPeak)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][2].unit == 'kW'
+        assert isinstance(result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][2].value, Decimal)
+        assert result[obis.BELGIUM_MAXIMUM_DEMAND_13_MONTHS][2].value == Decimal('4.318')
+
+        # 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('0.000')
+
+        # 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('0.000')
+
+        # 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('0.000')
+
+        # 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('0.000')
+
+        # 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('0.000')
+
+        # 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('0.000')
+
+        # 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('0.000')
+
+        # 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('0.000')
+
+        # 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('234.7')
+
+        # 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('234.7')
+
+        # 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('234.7')
+
+        # 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, int)
+        assert result[obis.ACTUAL_SWITCH_POSITION].value == 1
+
+        # BELGIUM_MAX_POWER_PER_PHASE (0-0:17.0.0)
+        assert isinstance(result[obis.BELGIUM_MAX_POWER_PER_PHASE], CosemObject)
+        assert result[obis.BELGIUM_MAX_POWER_PER_PHASE].unit == 'kW'
+        assert isinstance(result[obis.BELGIUM_MAX_POWER_PER_PHASE].value, Decimal)
+        assert result[obis.BELGIUM_MAX_POWER_PER_PHASE].value == Decimal('999.9')
+
+        # BELGIUM_MAX_POWER_PER_PHASE (1-0:31.4.0)
+        assert isinstance(result[obis.BELGIUM_MAX_CURRENT_PER_PHASE], CosemObject)
+        assert result[obis.BELGIUM_MAX_CURRENT_PER_PHASE].unit == 'A'
+        assert isinstance(result[obis.BELGIUM_MAX_CURRENT_PER_PHASE].value, Decimal)
+        assert result[obis.BELGIUM_MAX_CURRENT_PER_PHASE].value == Decimal('999')
+
+        # 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
+
+        # BELGIUM_MBUS1_DEVICE_TYPE (0-1:24.1.0)
+        assert isinstance(result[obis.BELGIUM_MBUS1_DEVICE_TYPE], CosemObject)
+        assert result[obis.BELGIUM_MBUS1_DEVICE_TYPE].unit is None
+        assert isinstance(result[obis.BELGIUM_MBUS1_DEVICE_TYPE].value, int)
+        assert result[obis.BELGIUM_MBUS1_DEVICE_TYPE].value == 3
+
+        # BELGIUM_MBUS1_EQUIPMENT_IDENTIFIER (0-1:96.1.1)
+        assert isinstance(result[obis.BELGIUM_MBUS1_EQUIPMENT_IDENTIFIER], CosemObject)
+        assert result[obis.BELGIUM_MBUS1_EQUIPMENT_IDENTIFIER].unit is None
+        assert isinstance(result[obis.BELGIUM_MBUS1_EQUIPMENT_IDENTIFIER].value, str)
+        assert result[obis.BELGIUM_MBUS1_EQUIPMENT_IDENTIFIER].value == '37464C4F32313139303333373333'
+
+        # BELGIUM_MBUS1_VALVE_POSITION (0-1:24.4.0)
+        assert isinstance(result[obis.BELGIUM_MBUS1_VALVE_POSITION], CosemObject)
+        assert result[obis.BELGIUM_MBUS1_VALVE_POSITION].unit is None
+        assert isinstance(result[obis.BELGIUM_MBUS1_VALVE_POSITION].value, int)
+        assert result[obis.BELGIUM_MBUS1_VALVE_POSITION].value == 1
+
+        # BELGIUM_MBUS1_METER_READING2 (0-1:24.2.3)
+        assert isinstance(result[obis.BELGIUM_MBUS1_METER_READING2], MBusObject)
+        assert result[obis.BELGIUM_MBUS1_METER_READING2].unit == 'm3'
+        assert isinstance(result[obis.BELGIUM_MBUS1_METER_READING2].value, Decimal)
+        assert result[obis.BELGIUM_MBUS1_METER_READING2].value == Decimal('112.384')
+
+        # BELGIUM_MBUS2_DEVICE_TYPE (0-2:24.1.0)
+        assert isinstance(result[obis.BELGIUM_MBUS2_DEVICE_TYPE], CosemObject)
+        assert result[obis.BELGIUM_MBUS2_DEVICE_TYPE].unit is None
+        assert isinstance(result[obis.BELGIUM_MBUS2_DEVICE_TYPE].value, int)
+        assert result[obis.BELGIUM_MBUS2_DEVICE_TYPE].value == 7
+
+        # BELGIUM_MBUS2_EQUIPMENT_IDENTIFIER (0-2:96.1.1)
+        assert isinstance(result[obis.BELGIUM_MBUS2_EQUIPMENT_IDENTIFIER], CosemObject)
+        assert result[obis.BELGIUM_MBUS2_EQUIPMENT_IDENTIFIER].unit is None
+        assert isinstance(result[obis.BELGIUM_MBUS2_EQUIPMENT_IDENTIFIER].value, str)
+        assert result[obis.BELGIUM_MBUS2_EQUIPMENT_IDENTIFIER].value == '3853414731323334353637383930'
+
+        # BELGIUM_MBUS2_METER_READING1 (0-1:24.2.1)
+        assert isinstance(result[obis.BELGIUM_MBUS2_METER_READING1], MBusObject)
+        assert result[obis.BELGIUM_MBUS2_METER_READING1].unit == 'm3'
+        assert isinstance(result[obis.BELGIUM_MBUS2_METER_READING1].value, Decimal)
+        assert result[obis.BELGIUM_MBUS2_METER_READING1].value == Decimal('872.234')
+
+
+    def test_checksum_valid(self):
+        # No exception is raised.
+        TelegramParser.validate_checksum(TELEGRAM_FLUVIUS_V171)
+
+    def test_checksum_invalid(self):
+        # Remove the electricty used data value. This causes the checksum to
+        # not match anymore.
+        corrupted_telegram = TELEGRAM_FLUVIUS_V171.replace(
+            '1-0:1.8.1(000000.034*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_FLUVIUS_V171.replace('!911C\r\n', '')
+        with self.assertRaises(ParseError):
+            TelegramParser.validate_checksum(corrupted_telegram)