def test_checksum_invalid(self):
# Remove the electricty used data value. This causes the checksum to
# not match anymore.
corrupted_telegram = TELEGRAM_V5.replace(
'1-0:1.8.1(000004.426*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_V5.replace('!87B3\r\n', '')
with self.assertRaises(ParseContentError):
TelegramParser.validate_checksum(corrupted_telegram)
def test_checksum_valid(self):
# ParseErrorV4 should be raised.
with self.assertRaises(NoChecksumError):
TelegramParser.validate_checksum(TELEGRAM_V3)
def test_checksum_valid(self):
# No exception is raised.
TelegramParser.validate_checksum(TELEGRAM_V5)
def test_checksum_invalid(self):
corrupted_telegram = TELEGRAM_V2_2.replace('!\r\n', '')
with self.assertRaises(ParseContentError):
TelegramParser.validate_checksum(corrupted_telegram)