py-libp2p/tests/security/noise/test_msg_read_writer.py

28 lines
922 B
Python

import pytest
from libp2p.security.noise.io import MAX_NOISE_MESSAGE_LEN, NoisePacketReadWriter
from libp2p.tools.factories import raw_conn_factory
@pytest.mark.parametrize(
"noise_msg",
(b"", b"data", pytest.param(b"A" * MAX_NOISE_MESSAGE_LEN, id="maximum length")),
)
@pytest.mark.trio
async def test_noise_msg_read_write_round_trip(nursery, noise_msg):
async with raw_conn_factory(nursery) as conns:
reader, writer = (
NoisePacketReadWriter(conns[0]),
NoisePacketReadWriter(conns[1]),
)
await writer.write_msg(noise_msg)
assert (await reader.read_msg()) == noise_msg
@pytest.mark.trio
async def test_noise_msg_write_too_long(nursery):
async with raw_conn_factory(nursery) as conns:
writer = NoisePacketReadWriter(conns[0])
with pytest.raises(ValueError):
await writer.write_msg(b"1" * (MAX_NOISE_MESSAGE_LEN + 1))