350 lines
12 KiB
Python
350 lines
12 KiB
Python
import asyncio
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import pytest
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import random
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from utils import message_id_generator, generate_RPC_packet, \
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create_libp2p_hosts, create_pubsub_and_gossipsub_instances, sparse_connect, dense_connect, \
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connect, one_to_all_connect
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from tests.utils import cleanup
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SUPPORTED_PROTOCOLS = ["/gossipsub/1.0.0"]
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@pytest.mark.asyncio
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async def test_join():
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# Create libp2p hosts
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num_hosts = 10
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hosts_indices = list(range(num_hosts))
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libp2p_hosts = await create_libp2p_hosts(num_hosts)
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# Create pubsub, gossipsub instances
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pubsubs, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
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SUPPORTED_PROTOCOLS, \
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10, 9, 11, 30, 3, 5, 0.5)
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topic = "test_join"
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central_node_index = 0
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# Remove index of central host from the indices
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hosts_indices.remove(central_node_index)
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num_subscribed_peer = 6
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subscribed_peer_indices = random.sample(hosts_indices, num_subscribed_peer)
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# All pubsub except the one of central node subscribe to topic
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for i in subscribed_peer_indices:
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await pubsubs[i].subscribe(topic)
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# Connect central host to all other hosts
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await one_to_all_connect(libp2p_hosts, central_node_index)
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# Wait 2 seconds for heartbeat to allow mesh to connect
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await asyncio.sleep(2)
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# Central node publish to the topic so that this topic
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# is added to central node's fanout
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next_msg_id_func = message_id_generator(0)
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msg_content = ""
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host_id = str(libp2p_hosts[central_node_index].get_id())
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# Generate message packet
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packet = generate_RPC_packet(host_id, [topic], msg_content, next_msg_id_func())
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# publish from the randomly chosen host
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await gossipsubs[central_node_index].publish(host_id, packet.SerializeToString())
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# Check that the gossipsub of central node has fanout for the topic
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assert topic in gossipsubs[central_node_index].fanout
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# Check that the gossipsub of central node does not have a mesh for the topic
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assert topic not in gossipsubs[central_node_index].mesh
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# Central node subscribe message origin
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await pubsubs[central_node_index].subscribe(topic)
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# Check that the gossipsub of central node no longer has fanout for the topic
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assert topic not in gossipsubs[central_node_index].fanout
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for i in hosts_indices:
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if i in subscribed_peer_indices:
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assert str(libp2p_hosts[i].get_id()) in gossipsubs[central_node_index].mesh[topic]
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else:
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assert str(libp2p_hosts[i].get_id()) not in gossipsubs[central_node_index].mesh[topic]
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await cleanup()
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@pytest.mark.asyncio
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async def test_leave():
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num_hosts = 1
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libp2p_hosts = await create_libp2p_hosts(num_hosts)
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# Create pubsub, gossipsub instances
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_, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
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SUPPORTED_PROTOCOLS, \
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10, 9, 11, 30, 3, 5, 0.5)
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gossipsub = gossipsubs[0]
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topic = "test_leave"
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await gossipsub.join(topic)
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assert topic in gossipsub.mesh
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await gossipsub.leave(topic)
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assert topic not in gossipsub.mesh
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# Test re-leave
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await gossipsub.leave(topic)
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await cleanup()
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@pytest.mark.asyncio
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async def test_dense():
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# Create libp2p hosts
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next_msg_id_func = message_id_generator(0)
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num_hosts = 10
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num_msgs = 5
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libp2p_hosts = await create_libp2p_hosts(num_hosts)
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# Create pubsub, gossipsub instances
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pubsubs, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
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SUPPORTED_PROTOCOLS, \
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10, 9, 11, 30, 3, 5, 0.5)
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# All pubsub subscribe to foobar
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queues = []
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for pubsub in pubsubs:
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q = await pubsub.subscribe("foobar")
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# Add each blocking queue to an array of blocking queues
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queues.append(q)
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# Sparsely connect libp2p hosts in random way
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await dense_connect(libp2p_hosts)
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# Wait 2 seconds for heartbeat to allow mesh to connect
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await asyncio.sleep(2)
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for i in range(num_msgs):
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msg_content = "foo " + str(i)
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# randomly pick a message origin
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origin_idx = random.randint(0, num_hosts - 1)
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origin_host = libp2p_hosts[origin_idx]
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host_id = str(origin_host.get_id())
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# Generate message packet
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packet = generate_RPC_packet(host_id, ["foobar"], msg_content, next_msg_id_func())
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# publish from the randomly chosen host
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await gossipsubs[origin_idx].publish(host_id, packet.SerializeToString())
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await asyncio.sleep(0.5)
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# Assert that all blocking queues receive the message
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for queue in queues:
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msg = await queue.get()
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assert msg.data == packet.publish[0].data
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await cleanup()
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@pytest.mark.asyncio
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async def test_fanout():
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# Create libp2p hosts
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next_msg_id_func = message_id_generator(0)
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num_hosts = 10
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num_msgs = 5
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libp2p_hosts = await create_libp2p_hosts(num_hosts)
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# Create pubsub, gossipsub instances
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pubsubs, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
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SUPPORTED_PROTOCOLS, \
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10, 9, 11, 30, 3, 5, 0.5)
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# All pubsub subscribe to foobar
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queues = []
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for i in range(1, len(pubsubs)):
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q = await pubsubs[i].subscribe("foobar")
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# Add each blocking queue to an array of blocking queues
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queues.append(q)
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# Sparsely connect libp2p hosts in random way
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await dense_connect(libp2p_hosts)
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# Wait 2 seconds for heartbeat to allow mesh to connect
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await asyncio.sleep(2)
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# Send messages with origin not subscribed
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for i in range(num_msgs):
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msg_content = "foo " + str(i)
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# Pick the message origin to the node that is not subscribed to 'foobar'
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origin_idx = 0
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origin_host = libp2p_hosts[origin_idx]
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host_id = str(origin_host.get_id())
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# Generate message packet
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packet = generate_RPC_packet(host_id, ["foobar"], msg_content, next_msg_id_func())
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# publish from the randomly chosen host
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await gossipsubs[origin_idx].publish(host_id, packet.SerializeToString())
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await asyncio.sleep(0.5)
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# Assert that all blocking queues receive the message
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for queue in queues:
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msg = await queue.get()
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assert msg.SerializeToString() == packet.publish[0].SerializeToString()
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# Subscribe message origin
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queues.append(await pubsubs[0].subscribe("foobar"))
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# Send messages again
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for i in range(num_msgs):
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msg_content = "foo " + str(i)
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# Pick the message origin to the node that is not subscribed to 'foobar'
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origin_idx = 0
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origin_host = libp2p_hosts[origin_idx]
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host_id = str(origin_host.get_id())
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# Generate message packet
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packet = generate_RPC_packet(host_id, ["foobar"], msg_content, next_msg_id_func())
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# publish from the randomly chosen host
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await gossipsubs[origin_idx].publish(host_id, packet.SerializeToString())
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await asyncio.sleep(0.5)
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# Assert that all blocking queues receive the message
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for queue in queues:
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msg = await queue.get()
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assert msg.SerializeToString() == packet.publish[0].SerializeToString()
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await cleanup()
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@pytest.mark.asyncio
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async def test_fanout_maintenance():
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# Create libp2p hosts
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next_msg_id_func = message_id_generator(0)
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num_hosts = 10
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num_msgs = 5
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libp2p_hosts = await create_libp2p_hosts(num_hosts)
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# Create pubsub, gossipsub instances
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pubsubs, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
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SUPPORTED_PROTOCOLS, \
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10, 9, 11, 30, 3, 5, 0.5)
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# All pubsub subscribe to foobar
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queues = []
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for i in range(1, len(pubsubs)):
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q = await pubsubs[i].subscribe("foobar")
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# Add each blocking queue to an array of blocking queues
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queues.append(q)
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# Sparsely connect libp2p hosts in random way
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await dense_connect(libp2p_hosts)
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# Wait 2 seconds for heartbeat to allow mesh to connect
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await asyncio.sleep(2)
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# Send messages with origin not subscribed
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for i in range(num_msgs):
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msg_content = "foo " + str(i)
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# Pick the message origin to the node that is not subscribed to 'foobar'
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origin_idx = 0
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origin_host = libp2p_hosts[origin_idx]
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host_id = str(origin_host.get_id())
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# Generate message packet
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packet = generate_RPC_packet(host_id, ["foobar"], msg_content, next_msg_id_func())
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# publish from the randomly chosen host
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await gossipsubs[origin_idx].publish(host_id, packet.SerializeToString())
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await asyncio.sleep(0.5)
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# Assert that all blocking queues receive the message
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for queue in queues:
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msg = await queue.get()
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assert msg.SerializeToString() == packet.publish[0].SerializeToString()
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for sub in pubsubs:
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await sub.unsubscribe('foobar')
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queues = []
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await asyncio.sleep(2)
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# Resub and repeat
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for i in range(1, len(pubsubs)):
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q = await pubsubs[i].subscribe("foobar")
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# Add each blocking queue to an array of blocking queues
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queues.append(q)
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await asyncio.sleep(2)
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# Check messages can still be sent
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for i in range(num_msgs):
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msg_content = "foo " + str(i)
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# Pick the message origin to the node that is not subscribed to 'foobar'
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origin_idx = 0
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origin_host = libp2p_hosts[origin_idx]
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host_id = str(origin_host.get_id())
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# Generate message packet
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packet = generate_RPC_packet(host_id, ["foobar"], msg_content, next_msg_id_func())
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# publish from the randomly chosen host
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await gossipsubs[origin_idx].publish(host_id, packet.SerializeToString())
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await asyncio.sleep(0.5)
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# Assert that all blocking queues receive the message
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for queue in queues:
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msg = await queue.get()
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assert msg.SerializeToString() == packet.publish[0].SerializeToString()
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await cleanup()
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@pytest.mark.asyncio
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async def test_gossip_propagation():
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# Create libp2p hosts
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next_msg_id_func = message_id_generator(0)
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num_hosts = 2
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libp2p_hosts = await create_libp2p_hosts(num_hosts)
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# Create pubsub, gossipsub instances
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pubsubs, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
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SUPPORTED_PROTOCOLS, \
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1, 0, 2, 30, 50, 100, 0.5)
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node1, node2 = libp2p_hosts[0], libp2p_hosts[1]
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sub1, sub2 = pubsubs[0], pubsubs[1]
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gsub1, gsub2 = gossipsubs[0], gossipsubs[1]
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node1_queue = await sub1.subscribe('foo')
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# node 1 publish to topic
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msg_content = 'foo_msg'
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node1_id = str(node1.get_id())
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# Generate message packet
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packet = generate_RPC_packet(node1_id, ["foo"], msg_content, next_msg_id_func())
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# publish from the randomly chosen host
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await gsub1.publish(node1_id, packet.SerializeToString())
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# now node 2 subscribes
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node2_queue = await sub2.subscribe('foo')
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await connect(node2, node1)
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# wait for gossip heartbeat
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await asyncio.sleep(2)
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# should be able to read message
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msg = await node2_queue.get()
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assert msg.SerializeToString() == packet.publish[0].SerializeToString()
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await cleanup()
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