mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-15 14:06:41 +03:00
77 lines
1.9 KiB
Python
77 lines
1.9 KiB
Python
from typing import Tuple
|
|
|
|
from pytest import raises
|
|
from telethon._impl.mtproto import Abridged
|
|
|
|
|
|
class Output(bytearray):
|
|
__slots__ = ()
|
|
|
|
def __call__(self, data: bytes) -> None:
|
|
self += data
|
|
|
|
|
|
def setup_pack(n: int) -> Tuple[Abridged, bytes, Output]:
|
|
input = bytes(x & 0xFF for x in range(n))
|
|
return Abridged(), input, Output()
|
|
|
|
|
|
def test_pack_empty() -> None:
|
|
transport, input, output = setup_pack(0)
|
|
transport.pack(input, output)
|
|
assert output == b"\xef\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[:2] == b"\xef\x20"
|
|
assert output[2:] == input
|
|
|
|
|
|
def pack_large() -> None:
|
|
transport, input, output = setup_pack(1024)
|
|
transport.pack(input, output)
|
|
assert output[:5] == b"\xef\x7f\0\x01\0"
|
|
assert output[5:] == input
|
|
|
|
|
|
def test_unpack_small() -> None:
|
|
transport = Abridged()
|
|
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[1:], 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[1:] + packed[1:], unpacked)
|
|
assert input == unpacked
|
|
assert n == len(packed[1:])
|
|
|
|
|
|
def unpack_large() -> None:
|
|
transport, input, packed = setup_pack(1024)
|
|
unpacked = bytearray()
|
|
transport.pack(input, packed)
|
|
transport.unpack(packed[1:], unpacked)
|
|
assert input == unpacked
|