Files
py-libp2p/tests/core/peer/test_peerstore.py
2025-07-06 14:45:42 +05:30

123 lines
3.4 KiB
Python

import time
import pytest
from multiaddr import Multiaddr
import trio
from libp2p.peer.id import ID
from libp2p.peer.peerstore import (
PeerStore,
PeerStoreError,
)
# Testing methods from IPeerStore base class.
def test_peer_info_empty():
store = PeerStore()
with pytest.raises(PeerStoreError):
store.peer_info(ID(b"peer"))
def test_peer_info_basic():
store = PeerStore()
store.add_addr(ID(b"peer"), Multiaddr("/ip4/127.0.0.1/tcp/4001"), 1)
# update ttl to new value
store.add_addr(ID(b"peer"), Multiaddr("/ip4/127.0.0.1/tcp/4002"), 2)
time.sleep(1)
info = store.peer_info(ID(b"peer"))
assert info.peer_id == ID(b"peer")
assert info.addrs == [
Multiaddr("/ip4/127.0.0.1/tcp/4001"),
Multiaddr("/ip4/127.0.0.1/tcp/4002"),
]
# Check that addresses are cleared after ttl
time.sleep(2)
info = store.peer_info(ID(b"peer"))
assert info.peer_id == ID(b"peer")
assert info.addrs == []
assert store.peer_ids() == [ID(b"peer")]
assert store.valid_peer_ids() == []
# Check if all the data remains valid if ttl is set to default(0)
def test_peer_permanent_ttl():
store = PeerStore()
store.add_addr(ID(b"peer"), Multiaddr("/ip4/127.0.0.1/tcp/4001"))
time.sleep(1)
info = store.peer_info(ID(b"peer"))
assert info.peer_id == ID(b"peer")
assert info.addrs == [Multiaddr("/ip4/127.0.0.1/tcp/4001")]
def test_add_get_protocols_basic():
store = PeerStore()
store.add_protocols(ID(b"peer1"), ["p1", "p2"])
store.add_protocols(ID(b"peer2"), ["p3"])
assert set(store.get_protocols(ID(b"peer1"))) == {"p1", "p2"}
assert set(store.get_protocols(ID(b"peer2"))) == {"p3"}
def test_add_get_protocols_extend():
store = PeerStore()
store.add_protocols(ID(b"peer1"), ["p1", "p2"])
store.add_protocols(ID(b"peer1"), ["p3"])
assert set(store.get_protocols(ID(b"peer1"))) == {"p1", "p2", "p3"}
def test_set_protocols():
store = PeerStore()
store.add_protocols(ID(b"peer1"), ["p1", "p2"])
store.add_protocols(ID(b"peer2"), ["p3"])
store.set_protocols(ID(b"peer1"), ["p4"])
store.set_protocols(ID(b"peer2"), [])
assert set(store.get_protocols(ID(b"peer1"))) == {"p4"}
assert set(store.get_protocols(ID(b"peer2"))) == set()
# Test with methods from other Peer interfaces.
def test_peers():
store = PeerStore()
store.add_protocols(ID(b"peer1"), [])
store.put(ID(b"peer2"), "key", "val")
store.add_addr(ID(b"peer3"), Multiaddr("/ip4/127.0.0.1/tcp/4001"), 10)
assert set(store.peer_ids()) == {ID(b"peer1"), ID(b"peer2"), ID(b"peer3")}
@pytest.mark.trio
async def test_addr_stream_yields_new_addrs():
store = PeerStore()
peer_id = ID(b"peer1")
addr1 = Multiaddr("/ip4/127.0.0.1/tcp/4001")
addr2 = Multiaddr("/ip4/127.0.0.1/tcp/4002")
collected = []
async def consume_addrs():
async for addr in store.addr_stream(peer_id):
collected.append(addr)
if len(collected) == 2:
break
async with trio.open_nursery() as nursery:
nursery.start_soon(consume_addrs)
await trio.sleep(2) # Give time for the stream to start
store.add_addr(peer_id, addr1, ttl=10)
await trio.sleep(0.2)
store.add_addr(peer_id, addr2, ttl=10)
await trio.sleep(0.2)
# After collecting expected addresses, cancel the stream
nursery.cancel_scope.cancel()
assert collected == [addr1, addr2]