dsmr_parser/test_telegram.py at c4331f6cd6d2b182b2ba9f511d0badf14d4b4cc6

 import unittest
 import datetime
 import pytz
 from dsmr_parser import telegram_specifications
 from dsmr_parser import obis_name_mapping
 from dsmr_parser.objects import CosemObject
 from dsmr_parser.objects import MBusObject
 from dsmr_parser.objects import Telegram
 from dsmr_parser.parsers import TelegramParser
 from test.example_telegrams import TELEGRAM_V4_2
 from decimal import Decimal
 class TelegramTest(unittest.TestCase):
     """ Test instantiation of Telegram object """
     def __init__(self, *args, **kwargs):
         self.item_names_tested = []
         super(TelegramTest, self).__init__(*args, **kwargs)
     def verify_telegram_item(self, telegram, testitem_name, object_type, unit_val, value_type, value_val):
         testitem = eval("telegram.{}".format(testitem_name))
         assert isinstance(testitem, object_type)
         assert testitem.unit == unit_val
         assert isinstance(testitem.value, value_type)
         assert testitem.value == value_val
         self.item_names_tested.append(testitem_name)
     def test_instantiate(self):
         parser = TelegramParser(telegram_specifications.V4)
         telegram = Telegram(TELEGRAM_V4_2, parser, telegram_specifications.V4)
         # P1_MESSAGE_HEADER (1-3:0.2.8)
         self.verify_telegram_item(telegram,
                                   'P1_MESSAGE_HEADER',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=str,
                                   value_val='42')
         # P1_MESSAGE_TIMESTAMP (0-0:1.0.0)
         self.verify_telegram_item(telegram,
                                   'P1_MESSAGE_TIMESTAMP',
                                   CosemObject,
                                   unit_val=None,
                                   value_type=datetime.datetime,
                                   value_val=datetime.datetime(2016, 11, 13, 19, 57, 57, tzinfo=pytz.UTC))
         # ELECTRICITY_USED_TARIFF_1 (1-0:1.8.1)
         self.verify_telegram_item(telegram,
                                   'ELECTRICITY_USED_TARIFF_1',
                                   object_type=CosemObject,
                                   unit_val='kWh',
                                   value_type=Decimal,
                                   value_val=Decimal('1581.123'))
         # ELECTRICITY_USED_TARIFF_2 (1-0:1.8.2)
         self.verify_telegram_item(telegram,
                                   'ELECTRICITY_USED_TARIFF_2',
                                   object_type=CosemObject,
                                   unit_val='kWh',
                                   value_type=Decimal,
                                   value_val=Decimal('1435.706'))
         # ELECTRICITY_DELIVERED_TARIFF_1 (1-0:2.8.1)
         self.verify_telegram_item(telegram,
                                   'ELECTRICITY_DELIVERED_TARIFF_1',
                                   object_type=CosemObject,
                                   unit_val='kWh',
                                   value_type=Decimal,
                                   value_val=Decimal('0'))
         # ELECTRICITY_DELIVERED_TARIFF_2 (1-0:2.8.2)
         self.verify_telegram_item(telegram,
                                   'ELECTRICITY_DELIVERED_TARIFF_2',
                                   object_type=CosemObject,
                                   unit_val='kWh',
                                   value_type=Decimal,
                                   value_val=Decimal('0'))
         # ELECTRICITY_ACTIVE_TARIFF (0-0:96.14.0)
         self.verify_telegram_item(telegram,
                                   'ELECTRICITY_ACTIVE_TARIFF',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=str,
                                   value_val='0002')
         # EQUIPMENT_IDENTIFIER (0-0:96.1.1)
         self.verify_telegram_item(telegram,
                                   'EQUIPMENT_IDENTIFIER',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=str,
                                   value_val='3960221976967177082151037881335713')
         # CURRENT_ELECTRICITY_USAGE (1-0:1.7.0)
         self.verify_telegram_item(telegram,
                                   'CURRENT_ELECTRICITY_USAGE',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('2.027'))
         # CURRENT_ELECTRICITY_DELIVERY (1-0:2.7.0)
         self.verify_telegram_item(telegram,
                                   'CURRENT_ELECTRICITY_DELIVERY',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('0'))
         # SHORT_POWER_FAILURE_COUNT (1-0:96.7.21)
         self.verify_telegram_item(telegram,
                                   'SHORT_POWER_FAILURE_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=15)
         # LONG_POWER_FAILURE_COUNT (96.7.9)
         self.verify_telegram_item(telegram,
                                   'LONG_POWER_FAILURE_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=7)
         # VOLTAGE_SAG_L1_COUNT (1-0:32.32.0)
         self.verify_telegram_item(telegram,
                                   'VOLTAGE_SAG_L1_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=0)
         # VOLTAGE_SAG_L2_COUNT (1-0:52.32.0)
         self.verify_telegram_item(telegram,
                                   'VOLTAGE_SAG_L2_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=0)
         # VOLTAGE_SAG_L3_COUNT (1-0:72.32.0)
         self.verify_telegram_item(telegram,
                                   'VOLTAGE_SAG_L3_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=0)
         # VOLTAGE_SWELL_L1_COUNT (1-0:32.36.0)
         self.verify_telegram_item(telegram,
                                   'VOLTAGE_SWELL_L1_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=0)
         # VOLTAGE_SWELL_L2_COUNT (1-0:52.36.0)
         self.verify_telegram_item(telegram,
                                   'VOLTAGE_SWELL_L2_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=0)
         # VOLTAGE_SWELL_L3_COUNT (1-0:72.36.0)
         self.verify_telegram_item(telegram,
                                   'VOLTAGE_SWELL_L3_COUNT',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=0)
         # TEXT_MESSAGE_CODE (0-0:96.13.1)
         self.verify_telegram_item(telegram,
                                   'TEXT_MESSAGE_CODE',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=type(None),
                                   value_val=None)
         # TEXT_MESSAGE (0-0:96.13.0)
         self.verify_telegram_item(telegram,
                                   'TEXT_MESSAGE',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=type(None),
                                   value_val=None)
         # INSTANTANEOUS_CURRENT_L1 (1-0:31.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_CURRENT_L1',
                                   object_type=CosemObject,
                                   unit_val='A',
                                   value_type=Decimal,
                                   value_val=Decimal('0'))
         # INSTANTANEOUS_CURRENT_L2 (1-0:51.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_CURRENT_L2',
                                   object_type=CosemObject,
                                   unit_val='A',
                                   value_type=Decimal,
                                   value_val=Decimal('6'))
         # INSTANTANEOUS_CURRENT_L3 (1-0:71.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_CURRENT_L3',
                                   object_type=CosemObject,
                                   unit_val='A',
                                   value_type=Decimal,
                                   value_val=Decimal('2'))
         # DEVICE_TYPE (0-x:24.1.0)
         self.verify_telegram_item(telegram,
                                   'DEVICE_TYPE',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=int,
                                   value_val=3)
         # INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE (1-0:21.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('0.170'))
         # INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE (1-0:41.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('1.247'))
         # INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE (1-0:61.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('0.209'))
         # INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE (1-0:22.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('0'))
         # INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE (1-0:42.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('0'))
         # INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE (1-0:62.7.0)
         self.verify_telegram_item(telegram,
                                   'INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE',
                                   object_type=CosemObject,
                                   unit_val='kW',
                                   value_type=Decimal,
                                   value_val=Decimal('0'))
         # EQUIPMENT_IDENTIFIER_GAS (0-x:96.1.0)
         self.verify_telegram_item(telegram,
                                   'EQUIPMENT_IDENTIFIER_GAS',
                                   object_type=CosemObject,
                                   unit_val=None,
                                   value_type=str,
                                   value_val='4819243993373755377509728609491464')
         # HOURLY_GAS_METER_READING (0-1:24.2.1)
         self.verify_telegram_item(telegram,
                                   'HOURLY_GAS_METER_READING',
                                   object_type=MBusObject,
                                   unit_val='m3',
                                   value_type=Decimal,
                                   value_val=Decimal('981.443'))
         # check if all items in telegram V4 specification are covered
         V4_name_list = [obis_name_mapping.EN[signature] for signature, parser in
                         telegram_specifications.V4['objects'].items()]
         V4_name_set = set(V4_name_list)
         item_names_tested_set = set(self.item_names_tested)
         assert item_names_tested_set == V4_name_set