Files
py-libp2p/tests/core/identity/identify/test_identify.py

76 lines
2.4 KiB
Python

import logging
import pytest
from multiaddr import (
Multiaddr,
)
from libp2p.identity.identify.identify import (
AGENT_VERSION,
ID,
PROTOCOL_VERSION,
_mk_identify_protobuf,
_multiaddr_to_bytes,
parse_identify_response,
)
from tests.utils.factories import (
host_pair_factory,
)
logger = logging.getLogger("libp2p.identity.identify-test")
@pytest.mark.trio
async def test_identify_protocol(security_protocol):
async with host_pair_factory(security_protocol=security_protocol) as (
host_a,
host_b,
):
# Here, host_b is the requester and host_a is the responder.
# observed_addr represent host_b's address as observed by host_a
# (i.e., the address from which host_b's request was received).
stream = await host_b.new_stream(host_a.get_id(), (ID,))
# Read the response (could be either format)
# Read a larger chunk to get all the data before stream closes
response = await stream.read(8192) # Read enough data in one go
await stream.close()
# Parse the response (handles both old and new formats)
identify_response = parse_identify_response(response)
logger.debug("host_a: %s", host_a.get_addrs())
logger.debug("host_b: %s", host_b.get_addrs())
# Check protocol version
assert identify_response.protocol_version == PROTOCOL_VERSION
# Check agent version
assert identify_response.agent_version == AGENT_VERSION
# Check public key
assert identify_response.public_key == host_a.get_public_key().serialize()
# Check listen addresses
assert identify_response.listen_addrs == list(
map(_multiaddr_to_bytes, host_a.get_addrs())
)
# Check observed address
host_b_addr = host_b.get_addrs()[0]
host_b_peer_id = host_b.get_id()
cleaned_addr = host_b_addr.decapsulate(Multiaddr(f"/p2p/{host_b_peer_id}"))
logger.debug("observed_addr: %s", Multiaddr(identify_response.observed_addr))
logger.debug("host_b.get_addrs()[0]: %s", host_b.get_addrs()[0])
# The observed address should match the cleaned address
assert Multiaddr(identify_response.observed_addr) == cleaned_addr
# Check protocols
assert set(identify_response.protocols) == set(host_a.get_mux().get_protocols())
# sanity check
assert identify_response == _mk_identify_protobuf(host_a, cleaned_addr)