py-libp2p/tests/host/test_ping.py

45 lines
1.4 KiB
Python

import secrets
import pytest
import trio
from libp2p.host.ping import ID, PING_LENGTH
from libp2p.tools.factories import host_pair_factory
@pytest.mark.trio
async def test_ping_once(security_protocol):
async with host_pair_factory(security_protocol=security_protocol) as (
host_a,
host_b,
):
stream = await host_b.new_stream(host_a.get_id(), (ID,))
some_ping = secrets.token_bytes(PING_LENGTH)
await stream.write(some_ping)
await trio.sleep(0.01)
some_pong = await stream.read(PING_LENGTH)
assert some_ping == some_pong
await stream.close()
SOME_PING_COUNT = 3
@pytest.mark.trio
async def test_ping_several(security_protocol):
async with host_pair_factory(security_protocol=security_protocol) as (
host_a,
host_b,
):
stream = await host_b.new_stream(host_a.get_id(), (ID,))
for _ in range(SOME_PING_COUNT):
some_ping = secrets.token_bytes(PING_LENGTH)
await stream.write(some_ping)
some_pong = await stream.read(PING_LENGTH)
assert some_ping == some_pong
# NOTE: simulate some time to sleep to mirror a real
# world usage where a peer sends pings on some periodic interval
# NOTE: this interval can be `0` for this test.
await trio.sleep(0)
await stream.close()