170 lines
6.5 KiB
Python
170 lines
6.5 KiB
Python
import functools
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import math
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from p2pclient.pb import p2pd_pb2
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import pytest
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import trio
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from libp2p.io.trio import TrioTCPStream
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from libp2p.peer.id import ID
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from libp2p.pubsub.pb import rpc_pb2
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from libp2p.pubsub.subscription import TrioSubscriptionAPI
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from libp2p.tools.factories import PubsubFactory
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from libp2p.tools.interop.utils import connect
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from libp2p.utils import read_varint_prefixed_bytes
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TOPIC_0 = "ABALA"
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TOPIC_1 = "YOOOO"
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async def p2pd_subscribe(p2pd, topic, nursery):
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stream = TrioTCPStream(await p2pd.control.pubsub_subscribe(topic))
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send_channel, receive_channel = trio.open_memory_channel(math.inf)
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sub = TrioSubscriptionAPI(receive_channel, unsubscribe_fn=stream.close)
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async def _read_pubsub_msg() -> None:
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while True:
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msg_bytes = await read_varint_prefixed_bytes(stream)
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ps_msg = p2pd_pb2.PSMessage()
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ps_msg.ParseFromString(msg_bytes)
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# Fill in the message used in py-libp2p
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msg = rpc_pb2.Message(
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from_id=ps_msg.from_id,
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data=ps_msg.data,
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seqno=ps_msg.seqno,
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topicIDs=ps_msg.topicIDs,
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signature=ps_msg.signature,
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key=ps_msg.key,
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)
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await send_channel.send(msg)
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nursery.start_soon(_read_pubsub_msg)
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return sub
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def validate_pubsub_msg(msg: rpc_pb2.Message, data: bytes, from_peer_id: ID) -> None:
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assert msg.data == data and msg.from_id == from_peer_id
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@pytest.mark.parametrize(
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"is_pubsub_signing, is_pubsub_signing_strict", ((True, True), (False, False))
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)
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@pytest.mark.parametrize("is_gossipsub", (True, False))
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@pytest.mark.parametrize("num_p2pds", (2,))
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@pytest.mark.trio
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async def test_pubsub(
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p2pds, is_gossipsub, security_protocol, is_pubsub_signing_strict, nursery
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):
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pubsub_factory = None
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if is_gossipsub:
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pubsub_factory = PubsubFactory.create_batch_with_gossipsub
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else:
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pubsub_factory = PubsubFactory.create_batch_with_floodsub
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async with pubsub_factory(
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1, security_protocol=security_protocol, strict_signing=is_pubsub_signing_strict
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) as pubsubs:
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#
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# Test: Recognize pubsub peers on connection.
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#
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py_pubsub = pubsubs[0]
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# go0 <-> py <-> go1
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await connect(p2pds[0], py_pubsub.host)
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await connect(py_pubsub.host, p2pds[1])
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py_peer_id = py_pubsub.host.get_id()
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# Check pubsub peers
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pubsub_peers_0 = await p2pds[0].control.pubsub_list_peers("")
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assert len(pubsub_peers_0) == 1 and pubsub_peers_0[0] == py_peer_id
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pubsub_peers_1 = await p2pds[1].control.pubsub_list_peers("")
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assert len(pubsub_peers_1) == 1 and pubsub_peers_1[0] == py_peer_id
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assert (
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len(py_pubsub.peers) == 2
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and p2pds[0].peer_id in py_pubsub.peers
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and p2pds[1].peer_id in py_pubsub.peers
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)
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#
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# Test: `subscribe`.
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#
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# (name, topics)
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# (go_0, [0, 1]) <-> (py, [0, 1]) <-> (go_1, [1])
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sub_py_topic_0 = await py_pubsub.subscribe(TOPIC_0)
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sub_py_topic_1 = await py_pubsub.subscribe(TOPIC_1)
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sub_go_0_topic_0 = await p2pd_subscribe(p2pds[0], TOPIC_0, nursery)
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sub_go_0_topic_1 = await p2pd_subscribe(p2pds[0], TOPIC_1, nursery)
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sub_go_1_topic_1 = await p2pd_subscribe(p2pds[1], TOPIC_1, nursery)
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# Check topic peers
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await trio.sleep(0.1)
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# go_0
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go_0_topic_0_peers = await p2pds[0].control.pubsub_list_peers(TOPIC_0)
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assert len(go_0_topic_0_peers) == 1 and py_peer_id == go_0_topic_0_peers[0]
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go_0_topic_1_peers = await p2pds[0].control.pubsub_list_peers(TOPIC_1)
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assert len(go_0_topic_1_peers) == 1 and py_peer_id == go_0_topic_1_peers[0]
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# py
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py_topic_0_peers = list(py_pubsub.peer_topics[TOPIC_0])
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assert len(py_topic_0_peers) == 1 and p2pds[0].peer_id == py_topic_0_peers[0]
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# go_1
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go_1_topic_1_peers = await p2pds[1].control.pubsub_list_peers(TOPIC_1)
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assert len(go_1_topic_1_peers) == 1 and py_peer_id == go_1_topic_1_peers[0]
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#
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# Test: `publish`
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#
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# 1. py publishes
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# - 1.1. py publishes data_11 to topic_0, py and go_0 receives.
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# - 1.2. py publishes data_12 to topic_1, all receive.
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# 2. go publishes
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# - 2.1. go_0 publishes data_21 to topic_0, py and go_0 receive.
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# - 2.2. go_1 publishes data_22 to topic_1, all receive.
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# 1.1. py publishes data_11 to topic_0, py and go_0 receives.
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data_11 = b"data_11"
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await py_pubsub.publish(TOPIC_0, data_11)
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validate_11 = functools.partial(
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validate_pubsub_msg, data=data_11, from_peer_id=py_peer_id
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)
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validate_11(await sub_py_topic_0.get())
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validate_11(await sub_go_0_topic_0.get())
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# 1.2. py publishes data_12 to topic_1, all receive.
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data_12 = b"data_12"
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validate_12 = functools.partial(
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validate_pubsub_msg, data=data_12, from_peer_id=py_peer_id
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)
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await py_pubsub.publish(TOPIC_1, data_12)
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validate_12(await sub_py_topic_1.get())
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validate_12(await sub_go_0_topic_1.get())
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validate_12(await sub_go_1_topic_1.get())
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# 2.1. go_0 publishes data_21 to topic_0, py and go_0 receive.
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data_21 = b"data_21"
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validate_21 = functools.partial(
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validate_pubsub_msg, data=data_21, from_peer_id=p2pds[0].peer_id
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)
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await p2pds[0].control.pubsub_publish(TOPIC_0, data_21)
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validate_21(await sub_py_topic_0.get())
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validate_21(await sub_go_0_topic_0.get())
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# 2.2. go_1 publishes data_22 to topic_1, all receive.
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data_22 = b"data_22"
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validate_22 = functools.partial(
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validate_pubsub_msg, data=data_22, from_peer_id=p2pds[1].peer_id
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)
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await p2pds[1].control.pubsub_publish(TOPIC_1, data_22)
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validate_22(await sub_py_topic_1.get())
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validate_22(await sub_go_0_topic_1.get())
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validate_22(await sub_go_1_topic_1.get())
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#
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# Test: `unsubscribe` and re`subscribe`
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#
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await py_pubsub.unsubscribe(TOPIC_0)
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await trio.sleep(0.1)
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assert py_peer_id not in (await p2pds[0].control.pubsub_list_peers(TOPIC_0))
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assert py_peer_id not in (await p2pds[1].control.pubsub_list_peers(TOPIC_0))
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await py_pubsub.subscribe(TOPIC_0)
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await trio.sleep(0.1)
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assert py_peer_id in (await p2pds[0].control.pubsub_list_peers(TOPIC_0))
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assert py_peer_id in (await p2pds[1].control.pubsub_list_peers(TOPIC_0))
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