def test_signal_decode_return_type(self):
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message_data = b'\xff\xff\xff\xff\xff\xff\xff\xff'
message = caneton.message_decode(
message_id=1942,
message_length=len(message_data),
message_data=message_data,
dbc_json=dbc_json,
)
# Factor is float and integer
signal = caneton.message_get_signal(message, 'Foo1')
self.assertEqual(signal['value'], 255)
self.assertIs(type(signal['value']), int)
# Offset is float and integer
signal = caneton.message_get_signal(message, 'Foo2')
self.assertEqual(signal['value'], 255)
self.assertIs(type(signal['value']), int)
# Factor is float but not integer
signal = caneton.message_get_signal(message, 'Bar1')
self.assertEqual(signal['value'], 32767.5)
self.assertIs(type(signal['value']), float)
# Offset is float but not integer
signal = caneton.message_get_signal(message, 'Bar2')
self.assertEqual(signal['value'], 65535.5)
self.assertIs(type(signal['value']), float)
def test_message(self):
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message_data = binascii.unhexlify('01780178010000')
message = caneton.message_decode(message_id=0x701,
message_length=len(message_data),
message_data=message_data,
dbc_json=dbc_json)
signal = caneton.message_get_signal(message, 'Bar2')
self.assertEqual(signal['name'], 'Bar2')
self.assertEqual(signal['value'], 188.0)
self.assertEqual(signal['unit'], 'V')
message_data = binascii.unhexlify('041d000000000000')
message = caneton.message_decode(
message_id=0x63f,
message_length=len(message_data),
message_data=message_data,
dbc_json=dbc_json,
)
signal = caneton.message_get_signal(message, 'TempsChargeRestant')
self.assertIsNotNone(signal)
self.assertEqual(signal['value'], 29)
self.assertEqual(signal['unit'], 'mn')
message_data = binascii.unhexlify('00CDCCA042030000')
message = caneton.message_decode(
message_id=0x63f,
message_length=len(message_data),
message_data=message_data,
dbc_json=dbc_json,
)
signal = caneton.message_get_signal(message, 'Temperature_max')
self.assertIsNotNone(signal)
self.assertEqual(signal['value'], 1117834445)
self.assertEqual(signal['unit'], u'°C')
signal = caneton.message_get_signal(message, 'PuissanceDispoVch')
self.assertIsNotNone(signal)
self.assertEqual(signal['value'], 1)
self.assertEqual(signal['unit'], '')
signal = caneton.message_get_signal(message, 'PuissanceDispoVpack')
self.assertIsNotNone(signal)
self.assertEqual(signal['value'], 1)
self.assertEqual(signal['unit'], '')
def test_message_wo_signals(self):
message_id = 542
message_length = 8
message_data = b' ' * message_length
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message = caneton.message_decode(
message_id=message_id, message_length=message_length,
message_data=message_data, dbc_json=dbc_json)
self.assertEqual(message['signals'], [])
self.assertEqual(
caneton.message_get_signal(message, 'Doesntexist'), None)
def test_message_wo_signals(self):
message_id = 542
message_length = 8
message_data = b' ' * message_length
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message = caneton.message_decode(message_id=message_id,
message_length=message_length,
message_data=message_data,
dbc_json=dbc_json)
self.assertEqual(message['signals'], [])
self.assertEqual(caneton.message_get_signal(message, 'Doesntexist'),
None)
def test_message_with_negative_signed_int_type(self):
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message_data = binascii.unhexlify('1100F9FB00000000')
message = caneton.message_decode(
message_id=0x195,
message_length=len(message_data),
message_data=message_data,
dbc_json=dbc_json,
)
signal = caneton.message_get_signal(message, 'truck_speed')
self.assertEqual(signal['name'], 'truck_speed')
self.assertEqual(signal['value'], -10.31)
self.assertEqual(signal['unit'], 'km/h')
def test_message(self):
message_id = 0x701
message_data = binascii.unhexlify('00780178010001')
message_length = len(message_data)
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message = caneton.message_decode(
message_id=message_id, message_length=message_length,
message_data=message_data, dbc_json=dbc_json)
signal = caneton.message_get_signal(message, 'Bar2')
self.assertEqual(signal['name'], 'Bar2')
self.assertEqual(signal['value'], 188.0)
self.assertEqual(signal['unit'], 'V')
def test_message_with_float_type(self):
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message_data = binascii.unhexlify('0000284200000000')
message = caneton.message_decode(
message_id=0x63e,
message_length=len(message_data),
message_data=message_data,
dbc_json=dbc_json,
)
signal = caneton.message_get_signal(message,
'HvBatteryCurrent_Puissance')
self.assertEqual(signal['name'], 'HvBatteryCurrent_Puissance')
self.assertEqual(signal['value'], 42.0)
self.assertEqual(signal['unit'], 'A')
def test_message(self):
message_id = 0x701
message_data = binascii.unhexlify('01780178010000')
message_length = len(message_data)
with open('./tests/dbc.json', 'r') as f:
dbc_json = json.loads(f.read())
message = caneton.message_decode(message_id=message_id,
message_length=message_length,
message_data=message_data,
dbc_json=dbc_json)
signal = caneton.message_get_signal(message, 'Bar2')
self.assertEqual(signal['name'], 'Bar2')
self.assertEqual(signal['value'], 188.0)
self.assertEqual(signal['unit'], 'V')
