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