def build_packet(self):
"""
Create and save packet from raw bytes
"""
logger.debug(f"Starting of packet build")
packet = Packet.from_response(self.data)
self.packets[packet.id] = packet
self.data = []
def test_packet_from_response():
raw_packet = [0x8d, 0x0a, 0x23, 0x42, 0x01, 0x15, 0x16, 0x64, 0xd8]
packet = Packet.from_response(raw_packet)
assert packet.flags == 0x0a
assert packet.source_id is None
assert packet.target_id is None
assert packet.device_id == 0x23
assert packet.command_id == 0x42
assert packet.sequence == 0x01
assert packet.data == [0x15, 0x16]
assert packet.checksum == 0x64
def test_packet_from_response_with_source_id():
raw_packet = [0x8d, 0x2a, 0xfe, 0x23, 0x42, 0x01, 0xab, 0x23, 0xab, 0x05, 0x39, 0xd8]
packet = Packet.from_response(raw_packet)
assert packet.flags == 0x2a
assert packet.source_id == 0xfe
assert packet.target_id is None
assert packet.device_id == 0x23
assert packet.command_id == 0x42
assert packet.sequence == 0x01
assert packet.data == [0xab, 0x8d]
assert packet.checksum == 0x39
def test_packet_from_response_bad_data():
# bad start
raw_packet = [0xad, 0x0a, 0x23, 0x42, 0x01, 0x15, 0x16, 0x64, 0xd8]
with pytest.raises(PySpheroRuntimeError):
Packet.from_response(raw_packet)
# bad end
raw_packet = [0x8d, 0x0a, 0x23, 0x42, 0x01, 0x15, 0x16, 0x64, 0xdd]
with pytest.raises(PySpheroRuntimeError):
Packet.from_response(raw_packet)
# bad checksum
raw_packet = [0x8d, 0x0a, 0x23, 0x42, 0x01, 0x15, 0x16, 0xff, 0xd8]
with pytest.raises(PySpheroRuntimeError):
Packet.from_response(raw_packet)