ardkuijpers/dsmr2mqtt
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

define checksum support in telegram specification; moved telegram v2 exception temporarily from parser to MBUSObject;

Browse Source
This commit is contained in:
Nigel Dokter
2017-01-21 10:33:17 +01:00
parent 07634abed1
commit 45f5fe2c36
4 changed files with 109 additions and 106 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
test/test_parse_v4_2.py
View File

@@ -15,28 +15,6 @@ from test.example_telegrams import TELEGRAM_V4_2
class TelegramParserV4_2Test(unittest.TestCase):
""" Test parsing of a DSMR v4.2 telegram. """
def test_valid(self):
# No exception is raised.
TelegramParser.validate_checksum(TELEGRAM_V4_2)
def test_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_missing_checksum(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)
def test_parse(self):
parser = TelegramParser(telegram_specifications.V4)
result = parser.parse(TELEGRAM_V4_2)
@@ -219,3 +197,25 @@ class TelegramParserV4_2Test(unittest.TestCase):
# 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)