155 lines
5.2 KiB
Python
155 lines
5.2 KiB
Python
import multiaddr
|
|
import pytest
|
|
|
|
from libp2p import new_node
|
|
from libp2p.peer.peerinfo import info_from_p2p_addr
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_simple_messages():
|
|
node_a = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
node_b = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
|
|
async def stream_handler(stream):
|
|
while True:
|
|
read_string = (await stream.read()).decode()
|
|
print("host B received:" + read_string)
|
|
|
|
response = "ack:" + read_string
|
|
print("sending response:" + response)
|
|
await stream.write(response.encode())
|
|
|
|
node_b.set_stream_handler("/echo/1.0.0", stream_handler)
|
|
|
|
# Associate the peer with local ip address (see default parameters of Libp2p())
|
|
node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
|
|
|
|
stream = await node_a.new_stream(node_b.get_id(), ["/echo/1.0.0"])
|
|
|
|
messages = ["hello" + str(x) for x in range(10)]
|
|
for message in messages:
|
|
await stream.write(message.encode())
|
|
|
|
response = (await stream.read()).decode()
|
|
|
|
print("res: " + response)
|
|
assert response == ("ack:" + message)
|
|
|
|
# Success, terminate pending tasks.
|
|
return
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_double_response():
|
|
node_a = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
node_b = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
|
|
async def stream_handler(stream):
|
|
while True:
|
|
read_string = (await stream.read()).decode()
|
|
print("host B received:" + read_string)
|
|
|
|
response = "ack1:" + read_string
|
|
print("sending response:" + response)
|
|
await stream.write(response.encode())
|
|
|
|
response = "ack2:" + read_string
|
|
print("sending response:" + response)
|
|
await stream.write(response.encode())
|
|
|
|
node_b.set_stream_handler("/echo/1.0.0", stream_handler)
|
|
|
|
# Associate the peer with local ip address (see default parameters of Libp2p())
|
|
node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
|
|
print("node_a about to open stream")
|
|
stream = await node_a.new_stream(node_b.get_id(), ["/echo/1.0.0"])
|
|
messages = ["hello" + str(x) for x in range(10)]
|
|
for message in messages:
|
|
await stream.write(message.encode())
|
|
|
|
response1 = (await stream.read()).decode()
|
|
|
|
print("res1: " + response1)
|
|
assert response1 == ("ack1:" + message)
|
|
|
|
response2 = (await stream.read()).decode()
|
|
|
|
print("res2: " + response2)
|
|
assert response2 == ("ack2:" + message)
|
|
|
|
# Success, terminate pending tasks.
|
|
return
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_multiple_streams():
|
|
# Node A should be able to open a stream with node B and then vice versa.
|
|
# Stream IDs should be generated uniquely so that the stream state is not overwritten
|
|
node_a = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
node_b = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
|
|
async def stream_handler_a(stream):
|
|
while True:
|
|
read_string = (await stream.read()).decode()
|
|
|
|
response = "ack_a:" + read_string
|
|
await stream.write(response.encode())
|
|
|
|
async def stream_handler_b(stream):
|
|
while True:
|
|
read_string = (await stream.read()).decode()
|
|
|
|
response = "ack_b:" + read_string
|
|
await stream.write(response.encode())
|
|
|
|
node_a.set_stream_handler("/echo_a/1.0.0", stream_handler_a)
|
|
node_b.set_stream_handler("/echo_b/1.0.0", stream_handler_b)
|
|
|
|
# Associate the peer with local ip address (see default parameters of Libp2p())
|
|
node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
|
|
node_b.get_peerstore().add_addrs(node_a.get_id(), node_a.get_addrs(), 10)
|
|
|
|
stream_a = await node_a.new_stream(node_b.get_id(), ["/echo_b/1.0.0"])
|
|
stream_b = await node_b.new_stream(node_a.get_id(), ["/echo_a/1.0.0"])
|
|
|
|
# A writes to /echo_b via stream_a, and B writes to /echo_a via stream_b
|
|
messages = ["hello" + str(x) for x in range(10)]
|
|
for message in messages:
|
|
a_message = message + "_a"
|
|
b_message = message + "_b"
|
|
|
|
await stream_a.write(a_message.encode())
|
|
await stream_b.write(b_message.encode())
|
|
|
|
response_a = (await stream_a.read()).decode()
|
|
response_b = (await stream_b.read()).decode()
|
|
|
|
assert response_a == ("ack_b:" + a_message) and response_b == ("ack_a:" + b_message)
|
|
|
|
# Success, terminate pending tasks.
|
|
return
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_host_connect():
|
|
node_a = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
node_b = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/0"])
|
|
|
|
assert not node_a.get_peerstore().peers()
|
|
|
|
addr = node_b.get_addrs()[0]
|
|
info = info_from_p2p_addr(addr)
|
|
await node_a.connect(info)
|
|
|
|
assert len(node_a.get_peerstore().peers()) == 1
|
|
|
|
await node_a.connect(info)
|
|
|
|
# make sure we don't do double connection
|
|
assert len(node_a.get_peerstore().peers()) == 1
|
|
|
|
assert node_b.get_id() in node_a.get_peerstore().peers()
|
|
ma_node_b = multiaddr.Multiaddr('/p2p/%s' % node_b.get_id().pretty())
|
|
for addr in node_a.get_peerstore().addrs(node_b.get_id()):
|
|
assert addr.encapsulate(ma_node_b) in node_b.get_addrs()
|