mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-25 19:03:46 +03:00
61 lines
1.5 KiB
Python
61 lines
1.5 KiB
Python
from pytest import raises
|
|
|
|
from telethon._impl.mtproto import Intermediate
|
|
|
|
|
|
class Output(bytearray):
|
|
__slots__ = ()
|
|
|
|
def __call__(self, data: bytes | bytearray | memoryview) -> None:
|
|
self += data
|
|
|
|
|
|
def setup_pack(n: int) -> tuple[Intermediate, bytes, Output]:
|
|
input = bytes(x & 0xFF for x in range(n))
|
|
return Intermediate(), input, Output()
|
|
|
|
|
|
def test_pack_empty() -> None:
|
|
transport, input, output = setup_pack(0)
|
|
transport.pack(input, output)
|
|
assert output == b"\xee\xee\xee\xee\0\0\0\0"
|
|
|
|
|
|
def test_pack_non_padded() -> None:
|
|
transport, input, output = setup_pack(7)
|
|
with raises(AssertionError):
|
|
transport.pack(input, output)
|
|
|
|
|
|
def test_pack_normal() -> None:
|
|
transport, input, output = setup_pack(128)
|
|
transport.pack(input, output)
|
|
assert output[:8] == b"\xee\xee\xee\xee\x80\0\0\0"
|
|
assert output[8:] == input
|
|
|
|
|
|
def test_unpack_small() -> None:
|
|
transport = Intermediate()
|
|
input = b"\x01"
|
|
output = bytearray()
|
|
with raises(ValueError) as e:
|
|
transport.unpack(input, output)
|
|
e.match("missing bytes")
|
|
|
|
|
|
def test_unpack_normal() -> None:
|
|
transport, input, packed = setup_pack(128)
|
|
unpacked = bytearray()
|
|
transport.pack(input, packed)
|
|
transport.unpack(packed[4:], unpacked)
|
|
assert input == unpacked
|
|
|
|
|
|
def test_unpack_two_at_once() -> None:
|
|
transport, input, packed = setup_pack(128)
|
|
unpacked = bytearray()
|
|
transport.pack(input, packed)
|
|
n = transport.unpack(packed[4:] + packed[4:], unpacked)
|
|
assert input == unpacked
|
|
assert n == len(packed[4:])
|