panda/tests/usbprotocol/test_pandalib.py

27 lines
733 B
Python
Executable File

#!/usr/bin/env python3
import random
import unittest
from panda import pack_can_buffer, unpack_can_buffer, DLC_TO_LEN
class PandaTestPackUnpack(unittest.TestCase):
def test_panda_lib_pack_unpack(self):
overflow_buf = b''
to_pack = []
for _ in range(10000):
address = random.randint(1, (1 << 29) - 1)
data = bytes([random.getrandbits(8) for _ in range(DLC_TO_LEN[random.randrange(0, len(DLC_TO_LEN))])])
to_pack.append((address, data, 0))
packed = pack_can_buffer(to_pack)
unpacked = []
for dat in packed:
msgs, overflow_buf = unpack_can_buffer(overflow_buf + dat)
unpacked.extend(msgs)
self.assertEqual(unpacked, to_pack)
if __name__ == "__main__":
unittest.main()