def decode_partial_frame(expect):
framer = framing.Framer()
framer.append_buffer(b'\x06hello\x07wo')
expect(framer.decode_frame()) == None
framer.append_buffer(b'rld\x93\x00')
expect(framer.decode_frame()) == b'hello\x00world'
def decode_frame_crc_recovery(expect):
framer = framing.Framer()
framer.append_buffer(b'\x06hello\x07wOr!d\x93\x00')
framer.append_buffer(b'\x06hello\x07world\x93\x00')
with raises(framing.CRCCheckFailure):
framer.decode_frame()
expect(framer.decode_frame()) == b'hello\x00world'
def decode_clear_buffer(expect):
framer = framing.Framer()
framer.append_buffer(b'\x00\x06hello\x07world\x93\x00')
framer.clear_buffer()
expect(framer.decode_frame()) == None
def decode_frame_no_data(expect):
framer = framing.Framer()
expect(framer.decode_frame()) == None
def decode_frame_crc_failure(expect):
framer = framing.Framer()
framer.append_buffer(b'\x06hello\x07wOr!d\x93\x00')
with raises(framing.CRCCheckFailure):
framer.decode_frame()
def decode_frame_no_crc(expect):
framer = framing.Framer(crc=CrcSize.NO_CRC)
framer.append_buffer(b'\x06hello\x06world\x00')
expect(framer.decode_frame()) == b'hello\x00world'
def decode_frame_preceeding_null(expect):
framer = framing.Framer()
framer.append_buffer(b'\x00\x06hello\x07world\x93\x00')
expect(framer.decode_frame()) == b'hello\x00world'
def decode_frame_crc_32(expect):
framer = framing.Framer(crc=CrcSize.CRC32)
framer.append_buffer(b'\x00\x06hello\nworld\xb3\x14\xe6\n\x00')
expect(framer.decode_frame()) == b'hello\x00world'
def encode_frame_zero_lenth(expect):
framer = framing.Framer()
with raises(framing.EncodeError):
framer.encode_frame(b'')
def encode_frame_crc_32(expect):
framer = framing.Framer(crc=CrcSize.CRC32)
expect(framer.encode_frame(
b'hello\x00world')) == b'\x00\x06hello\nworld\xb3\x14\xe6\n\x00'
def encode_frame_no_crc(expect):
framer = framing.Framer(crc=CrcSize.NO_CRC)
expect(framer.encode_frame(
b'hello\x00world')) == b'\x00\x06hello\x06world\x00'
def encode_frame(expect):
framer = framing.Framer()
expect(framer.encode_frame(
b'hello\x00world')) == b'\x00\x06hello\x07world\x93\x00'
