async def test_last_msg_time(monkeypatch):
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory()
async with alice_multiplexer.multiplex():
async with bob_multiplexer.multiplex():
assert alice_multiplexer.last_msg_time == 0
assert bob_multiplexer.last_msg_time == 0
alice_stream = alice_multiplexer.stream_protocol_messages(
P2PProtocolV5)
bob_stream = bob_multiplexer.stream_protocol_messages(
P2PProtocolV5)
alice_p2p_protocol = alice_multiplexer.get_protocol_by_type(
P2PProtocolV5)
bob_p2p_protocol = bob_multiplexer.get_protocol_by_type(
P2PProtocolV5)
now = time.monotonic()
monkeypatch.setattr(time, 'monotonic', lambda: now)
alice_p2p_protocol.send(Ping(None))
cmd = await asyncio.wait_for(bob_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Ping)
assert bob_multiplexer.last_msg_time == now
bob_p2p_protocol.send(Pong(None))
cmd = await asyncio.wait_for(alice_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Pong)
assert alice_multiplexer.last_msg_time == now
async def test_stream_protocol_messages(request, event_loop, monkeypatch):
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory()
await run_multiplexers([alice_multiplexer, bob_multiplexer], request,
event_loop)
alice_p2p_protocol = alice_multiplexer.get_protocol_by_type(P2PProtocolV5)
alice_p2p_protocol.send(Ping(None))
alice_p2p_protocol.send(Pong(None))
monkeypatch.setattr(bob_multiplexer, '_stream_idle_timeout', 0.1)
stream = bob_multiplexer.stream_protocol_messages(P2PProtocolV5)
cmd = await asyncio.wait_for(stream.asend(None), timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Ping)
cmd = await asyncio.wait_for(stream.asend(None), timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Pong)
# Stopping streaming on bob's multiplexer should cause stream_protocol_messages() to
# terminate.
stop_streaming_task = asyncio.create_task(bob_multiplexer.stop_streaming())
try:
cmd = await asyncio.wait_for(stream.asend(None),
timeout=DEFAULT_TIMEOUT)
except StopAsyncIteration:
pass
assert stop_streaming_task.done()
def test_multiplexer_pair_factory():
alice_remote, bob_remote = NodeFactory.create_batch(2)
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory(
alice_remote=alice_remote,
bob_remote=bob_remote,
)
assert alice_multiplexer.remote == bob_remote
assert bob_multiplexer.remote == alice_remote
assert alice_multiplexer.get_base_protocol().version == DEVP2P_V5
assert bob_multiplexer.get_base_protocol().version == DEVP2P_V5
async def test_multiplexer_p2p_and_two_more_protocols():
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory(
protocol_types=(SecondProtocol, ThirdProtocol),
)
async with alice_multiplexer.multiplex():
async with bob_multiplexer.multiplex():
alice_p2p_stream = alice_multiplexer.stream_protocol_messages(P2PProtocolV5)
bob_p2p_stream = bob_multiplexer.stream_protocol_messages(P2PProtocolV5)
alice_second_stream = alice_multiplexer.stream_protocol_messages(SecondProtocol)
bob_second_stream = bob_multiplexer.stream_protocol_messages(SecondProtocol)
alice_third_stream = alice_multiplexer.stream_protocol_messages(ThirdProtocol)
bob_third_stream = bob_multiplexer.stream_protocol_messages(ThirdProtocol)
alice_p2p_protocol = alice_multiplexer.get_protocol_by_type(P2PProtocolV5)
alice_second_protocol = alice_multiplexer.get_protocol_by_type(SecondProtocol)
alice_third_protocol = alice_multiplexer.get_protocol_by_type(ThirdProtocol)
bob_p2p_protocol = bob_multiplexer.get_protocol_by_type(P2PProtocolV5)
bob_second_protocol = bob_multiplexer.get_protocol_by_type(SecondProtocol)
bob_third_protocol = bob_multiplexer.get_protocol_by_type(ThirdProtocol)
alice_second_protocol.send_cmd(CommandA)
alice_third_protocol.send_cmd(CommandC)
alice_p2p_protocol.send_ping()
alice_second_protocol.send_cmd(CommandB)
alice_third_protocol.send_cmd(CommandD)
cmd, _ = await asyncio.wait_for(bob_p2p_stream.asend(None), timeout=0.1)
assert isinstance(cmd, Ping)
bob_second_protocol.send_cmd(CommandA)
bob_third_protocol.send_cmd(CommandC)
bob_p2p_protocol.send_pong()
bob_second_protocol.send_cmd(CommandB)
bob_third_protocol.send_cmd(CommandD)
cmd, _ = await asyncio.wait_for(alice_p2p_stream.asend(None), timeout=0.1)
assert isinstance(cmd, Pong)
cmd_1, _ = await asyncio.wait_for(bob_third_stream.asend(None), timeout=0.1) # noqa: E501
cmd_2, _ = await asyncio.wait_for(bob_third_stream.asend(None), timeout=0.1) # noqa: E501
cmd_3, _ = await asyncio.wait_for(bob_second_stream.asend(None), timeout=0.1) # noqa: E501
cmd_4, _ = await asyncio.wait_for(bob_second_stream.asend(None), timeout=0.1) # noqa: E501
cmd_5, _ = await asyncio.wait_for(alice_third_stream.asend(None), timeout=0.1) # noqa: E501
cmd_6, _ = await asyncio.wait_for(alice_third_stream.asend(None), timeout=0.1) # noqa: E501
cmd_7, _ = await asyncio.wait_for(alice_second_stream.asend(None), timeout=0.1) # noqa: E501
cmd_8, _ = await asyncio.wait_for(alice_second_stream.asend(None), timeout=0.1) # noqa: E501
assert isinstance(cmd_1, CommandC)
assert isinstance(cmd_2, CommandD)
assert isinstance(cmd_3, CommandA)
assert isinstance(cmd_4, CommandB)
assert isinstance(cmd_5, CommandC)
assert isinstance(cmd_6, CommandD)
assert isinstance(cmd_7, CommandA)
assert isinstance(cmd_8, CommandB)
async def test_multiplexer_pair_factory_with_different_p2p_versions(
alice_p2p_version,
bob_p2p_version,
expected_base_protocol_class,
):
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory(
alice_p2p_version=alice_p2p_version,
bob_p2p_version=bob_p2p_version,
)
alice_base_protocol = alice_multiplexer.get_base_protocol()
bob_base_protocol = bob_multiplexer.get_base_protocol()
assert type(alice_base_protocol) is expected_base_protocol_class
assert type(bob_base_protocol) is expected_base_protocol_class
assert alice_base_protocol.version == expected_base_protocol_class.version
assert bob_base_protocol.version == expected_base_protocol_class.version
async def test_multiplexer_only_p2p_protocol():
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory()
async with alice_multiplexer.multiplex():
async with bob_multiplexer.multiplex():
alice_stream = alice_multiplexer.stream_protocol_messages(P2PProtocolV5)
bob_stream = bob_multiplexer.stream_protocol_messages(P2PProtocolV5)
alice_p2p_protocol = alice_multiplexer.get_protocol_by_type(P2PProtocolV5)
bob_p2p_protocol = bob_multiplexer.get_protocol_by_type(P2PProtocolV5)
alice_p2p_protocol.send_ping()
cmd, _ = await asyncio.wait_for(bob_stream.asend(None), timeout=0.1)
assert isinstance(cmd, Ping)
bob_p2p_protocol.send_pong()
cmd, _ = await asyncio.wait_for(alice_stream.asend(None), timeout=0.1)
async def test_streaming_error(monkeypatch):
alice, _ = MultiplexerPairFactory()
msg = "Multiplexing error"
exc = Exception(msg)
async def multiplexing():
alice._started_streaming.set()
raise exc
monkeypatch.setattr(alice, '_do_multiplexing', multiplexing)
await alice.stream_in_background()
with pytest.raises(Exception, match=msg):
await alice.wait_streaming_finished()
assert alice.get_streaming_error() == exc
with pytest.raises(Exception, match=msg):
alice.raise_if_streaming_error()
async def test_multiplexer_only_p2p_protocol(request, event_loop):
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory()
await run_multiplexers([alice_multiplexer, bob_multiplexer], request,
event_loop)
alice_stream = alice_multiplexer.stream_protocol_messages(P2PProtocolV5)
bob_stream = bob_multiplexer.stream_protocol_messages(P2PProtocolV5)
alice_p2p_protocol = alice_multiplexer.get_protocol_by_type(P2PProtocolV5)
bob_p2p_protocol = bob_multiplexer.get_protocol_by_type(P2PProtocolV5)
alice_p2p_protocol.send(Ping(None))
cmd = await asyncio.wait_for(bob_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Ping)
bob_p2p_protocol.send(Pong(None))
cmd = await asyncio.wait_for(alice_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
async def test_multiplexer_p2p_and_paragon_protocol():
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory(
protocol_types=(SecondProtocol, ), )
async with alice_multiplexer.multiplex():
async with bob_multiplexer.multiplex():
alice_p2p_stream = alice_multiplexer.stream_protocol_messages(
P2PProtocolV5)
bob_p2p_stream = bob_multiplexer.stream_protocol_messages(
P2PProtocolV5)
alice_second_stream = alice_multiplexer.stream_protocol_messages(
SecondProtocol)
bob_second_stream = bob_multiplexer.stream_protocol_messages(
SecondProtocol)
alice_p2p_protocol = alice_multiplexer.get_protocol_by_type(
P2PProtocolV5)
alice_second_protocol = alice_multiplexer.get_protocol_by_type(
SecondProtocol)
bob_p2p_protocol = bob_multiplexer.get_protocol_by_type(
P2PProtocolV5)
bob_second_protocol = bob_multiplexer.get_protocol_by_type(
SecondProtocol)
alice_second_protocol.send(CommandA(None))
alice_p2p_protocol.send(Ping(None))
alice_second_protocol.send(CommandB(None))
cmd = await asyncio.wait_for(bob_p2p_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Ping)
bob_second_protocol.send(CommandA(None))
bob_p2p_protocol.send(Pong(None))
bob_second_protocol.send(CommandB(None))
cmd = await asyncio.wait_for(alice_p2p_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Pong)
cmd_1 = await asyncio.wait_for(bob_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT
) # noqa: E501
cmd_2 = await asyncio.wait_for(bob_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT
) # noqa: E501
cmd_3 = await asyncio.wait_for(alice_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT
) # noqa: E501
cmd_4 = await asyncio.wait_for(alice_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT
) # noqa: E501
assert isinstance(cmd_1, CommandA)
assert isinstance(cmd_2, CommandB)
assert isinstance(cmd_3, CommandA)
assert isinstance(cmd_4, CommandB)
async def test_connection_get_protocol_for_command_type():
multiplexer, _ = MultiplexerPairFactory(protocol_types=(SecondProtocol,
SharedProtocol), )
second_proto = multiplexer.get_protocol_by_type(SecondProtocol)
shared_proto = multiplexer.get_protocol_by_type(SharedProtocol)
proto_for_command_A = multiplexer.get_protocol_for_command_type(CommandA)
assert proto_for_command_A is second_proto
proto_for_command_C = multiplexer.get_protocol_for_command_type(CommandC)
assert proto_for_command_C is shared_proto
with pytest.raises(UnknownProtocol):
multiplexer.get_protocol_for_command_type(CommandD)
with pytest.raises(ValidationError):
multiplexer.get_protocol_for_command_type(CommandB)
async def test_stream_in_background():
alice, _ = MultiplexerPairFactory()
assert not alice.is_streaming
assert not alice.is_closing
with pytest.raises(Exception):
await alice.wait_streaming()
await alice.stream_in_background()
assert alice.is_streaming
await alice.stop_streaming()
assert not alice.is_streaming
assert alice.is_closing
assert isinstance(alice.get_streaming_error(), asyncio.CancelledError)
with pytest.raises(asyncio.CancelledError):
await alice.wait_streaming_finished()
with pytest.raises(asyncio.CancelledError):
alice.raise_if_streaming_error()
async def test_multiplexer_properties():
multiplexer, _ = MultiplexerPairFactory(protocol_types=(SecondProtocol,
ThirdProtocol), )
transport = multiplexer.get_transport()
base_protocol = multiplexer.get_protocol_by_type(P2PProtocolV5)
second_protocol = multiplexer.get_protocol_by_type(SecondProtocol)
third_protocol = multiplexer.get_protocol_by_type(ThirdProtocol)
assert multiplexer.get_base_protocol() is base_protocol
assert multiplexer.get_protocols() == (base_protocol, second_protocol,
third_protocol)
assert multiplexer.get_protocol_by_type(P2PProtocolV5) is base_protocol
assert multiplexer.get_protocol_by_type(SecondProtocol) is second_protocol
assert multiplexer.get_protocol_by_type(ThirdProtocol) is third_protocol
assert multiplexer.has_protocol(P2PProtocolV5) is True
assert multiplexer.has_protocol(SecondProtocol) is True
assert multiplexer.has_protocol(ThirdProtocol) is True
assert multiplexer.has_protocol(UnsupportedProtocol) is False
assert multiplexer.has_protocol(base_protocol) is True
assert multiplexer.has_protocol(second_protocol) is True
assert multiplexer.has_protocol(third_protocol) is True
assert multiplexer.has_protocol(UnsupportedProtocol(transport, 16,
False)) is False
assert multiplexer.remote is transport.remote
async def test_multiplexer_p2p_and_two_more_protocols(request, event_loop):
alice_multiplexer, bob_multiplexer = MultiplexerPairFactory(
protocol_types=(SecondProtocol, ThirdProtocol), )
await run_multiplexers([alice_multiplexer, bob_multiplexer], request,
event_loop)
alice_p2p_stream = alice_multiplexer.stream_protocol_messages(
P2PProtocolV5)
bob_p2p_stream = bob_multiplexer.stream_protocol_messages(P2PProtocolV5)
alice_second_stream = alice_multiplexer.stream_protocol_messages(
SecondProtocol)
bob_second_stream = bob_multiplexer.stream_protocol_messages(
SecondProtocol)
alice_third_stream = alice_multiplexer.stream_protocol_messages(
ThirdProtocol)
bob_third_stream = bob_multiplexer.stream_protocol_messages(ThirdProtocol)
alice_p2p_protocol = alice_multiplexer.get_protocol_by_type(P2PProtocolV5)
alice_second_protocol = alice_multiplexer.get_protocol_by_type(
SecondProtocol)
alice_third_protocol = alice_multiplexer.get_protocol_by_type(
ThirdProtocol)
bob_p2p_protocol = bob_multiplexer.get_protocol_by_type(P2PProtocolV5)
bob_second_protocol = bob_multiplexer.get_protocol_by_type(SecondProtocol)
bob_third_protocol = bob_multiplexer.get_protocol_by_type(ThirdProtocol)
alice_second_protocol.send(CommandA(None))
alice_third_protocol.send(CommandC(None))
alice_p2p_protocol.send(Ping(None))
alice_second_protocol.send(CommandB(None))
alice_third_protocol.send(CommandD(None))
cmd = await asyncio.wait_for(bob_p2p_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Ping)
bob_second_protocol.send(CommandA(None))
bob_third_protocol.send(CommandC(None))
bob_p2p_protocol.send(Pong(None))
bob_second_protocol.send(CommandB(None))
bob_third_protocol.send(CommandD(None))
cmd = await asyncio.wait_for(alice_p2p_stream.asend(None),
timeout=DEFAULT_TIMEOUT)
assert isinstance(cmd, Pong)
cmd_1 = await asyncio.wait_for(bob_third_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
cmd_2 = await asyncio.wait_for(bob_third_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
cmd_3 = await asyncio.wait_for(bob_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
cmd_4 = await asyncio.wait_for(bob_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
cmd_5 = await asyncio.wait_for(alice_third_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
cmd_6 = await asyncio.wait_for(alice_third_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
cmd_7 = await asyncio.wait_for(alice_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
cmd_8 = await asyncio.wait_for(alice_second_stream.asend(None),
timeout=DEFAULT_TIMEOUT) # noqa: E501
assert isinstance(cmd_1, CommandC)
assert isinstance(cmd_2, CommandD)
assert isinstance(cmd_3, CommandA)
assert isinstance(cmd_4, CommandB)
assert isinstance(cmd_5, CommandC)
assert isinstance(cmd_6, CommandD)
assert isinstance(cmd_7, CommandA)
assert isinstance(cmd_8, CommandB)