54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
from multiaddr import Multiaddr
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import pytest
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import trio
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from libp2p.network.connection.raw_connection import RawConnection
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from libp2p.tools.constants import LISTEN_MADDR
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from libp2p.transport.exceptions import OpenConnectionError
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from libp2p.transport.tcp.tcp import TCP
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@pytest.mark.trio
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async def test_tcp_listener(nursery):
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transport = TCP()
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async def handler(tcp_stream):
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pass
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listener = transport.create_listener(handler)
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assert len(listener.get_addrs()) == 0
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await listener.listen(LISTEN_MADDR, nursery)
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assert len(listener.get_addrs()) == 1
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await listener.listen(LISTEN_MADDR, nursery)
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assert len(listener.get_addrs()) == 2
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@pytest.mark.trio
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async def test_tcp_dial(nursery):
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transport = TCP()
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raw_conn_other_side = None
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event = trio.Event()
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async def handler(tcp_stream):
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nonlocal raw_conn_other_side
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raw_conn_other_side = RawConnection(tcp_stream, False)
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event.set()
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await trio.sleep_forever()
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# Test: `OpenConnectionError` is raised when trying to dial to a port which
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# no one is not listening to.
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with pytest.raises(OpenConnectionError):
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await transport.dial(Multiaddr("/ip4/127.0.0.1/tcp/1"))
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listener = transport.create_listener(handler)
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await listener.listen(LISTEN_MADDR, nursery)
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addrs = listener.get_addrs()
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assert len(addrs) == 1
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listen_addr = addrs[0]
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raw_conn = await transport.dial(listen_addr)
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await event.wait()
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data = b"123"
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await raw_conn_other_side.write(data)
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assert (await raw_conn.read(len(data))) == data
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