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neuron-tai/tests/test_gossip_and_relay.py
Dobromir Popov b547034741 new tasks, devnet topup, cli, new model support
2026-07-06 14:17:36 +03:00

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"""Tests for US-017: P2P gossip, relay node, and TLS infrastructure."""
from __future__ import annotations
import json
import threading
import time
from pathlib import Path
from unittest.mock import MagicMock, patch
# ---------------------------------------------------------------------------
# identity tests
# ---------------------------------------------------------------------------
def test_load_or_create_identity_generates_peer_id(tmp_path):
from meshnet_p2p.identity import load_or_create_identity
identity = load_or_create_identity(tmp_path / "identity.json")
assert len(identity["peer_id"]) == 16
assert "public_key_pem" in identity
assert "private_key_pem" in identity
def test_identity_is_stable_across_loads(tmp_path):
from meshnet_p2p.identity import load_or_create_identity
path = tmp_path / "identity.json"
first = load_or_create_identity(path)
second = load_or_create_identity(path)
assert first["peer_id"] == second["peer_id"]
assert first["public_key_pem"] == second["public_key_pem"]
def test_identity_different_for_different_paths(tmp_path):
from meshnet_p2p.identity import load_or_create_identity
a = load_or_create_identity(tmp_path / "a.json")
b = load_or_create_identity(tmp_path / "b.json")
# Extremely unlikely to collide
assert a["peer_id"] != b["peer_id"]
# ---------------------------------------------------------------------------
# TLS / certificate tests
# ---------------------------------------------------------------------------
def test_generate_self_signed_cert_creates_files(tmp_path):
from meshnet_p2p.tls import generate_self_signed_cert
cert_p, key_p = generate_self_signed_cert(
cert_path=tmp_path / "cert.pem",
key_path=tmp_path / "key.pem",
common_name="localhost",
)
assert cert_p.exists()
assert key_p.exists()
assert cert_p.stat().st_size > 100
assert key_p.stat().st_size > 100
def test_generate_self_signed_cert_is_idempotent(tmp_path):
from meshnet_p2p.tls import generate_self_signed_cert
args = dict(cert_path=tmp_path / "cert.pem", key_path=tmp_path / "key.pem", common_name="test")
generate_self_signed_cert(**args)
mtime1 = (tmp_path / "cert.pem").stat().st_mtime
generate_self_signed_cert(**args)
mtime2 = (tmp_path / "cert.pem").stat().st_mtime
assert mtime1 == mtime2 # file not regenerated
def test_cert_fingerprint_returns_sha256_prefix(tmp_path):
from meshnet_p2p.tls import generate_self_signed_cert, cert_fingerprint
cert_p, key_p = generate_self_signed_cert(
cert_path=tmp_path / "cert.pem",
key_path=tmp_path / "key.pem",
common_name="test",
)
fp = cert_fingerprint(cert_p)
assert fp.startswith("sha256:")
assert len(fp) == len("sha256:") + 64 # 32 bytes hex = 64 chars
def test_make_server_ssl_context_loads_cert(tmp_path):
import ssl
from meshnet_p2p.tls import generate_self_signed_cert, make_server_ssl_context
cert_p, key_p = generate_self_signed_cert(
cert_path=tmp_path / "cert.pem",
key_path=tmp_path / "key.pem",
common_name="test",
)
ctx = make_server_ssl_context(cert_p, key_p)
assert isinstance(ctx, ssl.SSLContext)
# ---------------------------------------------------------------------------
# PeerRegistry tests
# ---------------------------------------------------------------------------
def test_peer_registry_register_and_list():
from meshnet_relay.peer_registry import PeerRegistry
reg = PeerRegistry()
ws_mock = MagicMock()
reg.register("peer1", "http://1.2.3.4:8001", ws_mock)
assert len(reg) == 1
peers = reg.list_peers()
assert len(peers) == 1
assert peers[0]["peer_id"] == "peer1"
def test_peer_registry_all_except_excludes_sender():
from meshnet_relay.peer_registry import PeerRegistry
reg = PeerRegistry()
reg.register("a", "http://a:8001", MagicMock())
reg.register("b", "http://b:8001", MagicMock())
reg.register("c", "http://c:8001", MagicMock())
others = reg.all_except("a")
assert len(others) == 2
assert all(e.peer_id != "a" for e in others)
def test_peer_registry_unregister_removes_peer():
from meshnet_relay.peer_registry import PeerRegistry
reg = PeerRegistry()
reg.register("x", "http://x:8001", MagicMock())
reg.unregister("x")
assert len(reg) == 0
assert reg.get("x") is None
# ---------------------------------------------------------------------------
# GossipClient + RelayServer integration test
# ---------------------------------------------------------------------------
def _start_relay(host="127.0.0.1", port=0):
from meshnet_relay.server import RelayServer
server = RelayServer(host=host, port=port)
actual_port = server.start()
return server, actual_port
def test_gossip_fanout_through_relay():
"""Node B publishes node-join; node A receives it within 2 seconds."""
from meshnet_p2p.gossip import GossipClient, TOPIC_NODE_JOIN
relay, port = _start_relay()
relay_url = f"ws://127.0.0.1:{port}/ws"
client_a = GossipClient(relay_url=relay_url, peer_id="peer_a")
client_b = GossipClient(relay_url=relay_url, peer_id="peer_b")
received = []
client_a.subscribe(TOPIC_NODE_JOIN, lambda env: received.append(env))
client_a.start()
client_b.start()
assert client_a.wait_connected(timeout=5), "client_a failed to connect to relay"
assert client_b.wait_connected(timeout=5), "client_b failed to connect to relay"
# Give both peers time to register with relay
time.sleep(0.2)
client_b.publish(TOPIC_NODE_JOIN, {"addr": "http://192.168.1.10:8001", "peer_id": "peer_b"})
deadline = time.monotonic() + 2.0
while time.monotonic() < deadline and not received:
time.sleep(0.05)
client_a.stop()
client_b.stop()
relay.stop()
assert received, "client_a did not receive node-join message from client_b"
assert received[0]["topic"] == TOPIC_NODE_JOIN
assert received[0]["from_peer"] == "peer_b"
def test_gossip_dedup_prevents_processing_duplicate_message_ids():
"""A message with a duplicate msg_id is only processed once."""
from meshnet_p2p.gossip import GossipClient, TOPIC_NODE_JOIN
relay, port = _start_relay()
relay_url = f"ws://127.0.0.1:{port}/ws"
client_a = GossipClient(relay_url=relay_url, peer_id="peer_a2")
client_b = GossipClient(relay_url=relay_url, peer_id="peer_b2")
received = []
client_a.subscribe(TOPIC_NODE_JOIN, lambda env: received.append(env))
client_a.start()
client_b.start()
client_a.wait_connected(5)
client_b.wait_connected(5)
time.sleep(0.2)
# Publish once
client_b.publish(TOPIC_NODE_JOIN, {"test": "dedup"})
time.sleep(0.5)
count = len(received)
client_a.stop()
client_b.stop()
relay.stop()
# Should have received exactly one message (not duplicated)
assert count <= 1
def test_relay_server_peer_list_grows_on_connect():
"""Relay registry grows when clients connect."""
from meshnet_p2p.gossip import GossipClient
relay, port = _start_relay()
relay_url = f"ws://127.0.0.1:{port}/ws"
client = GossipClient(relay_url=relay_url, peer_id="solo_peer")
client.start()
client.wait_connected(5)
time.sleep(0.3) # let peer-register message process
peer_count = len(relay.registry)
client.stop()
relay.stop()
assert peer_count >= 1
def test_relay_circuit_relay_proxies_message():
"""A node behind NAT (client_a) receives a message via circuit relay from client_b."""
import websockets.sync.client # type: ignore[import]
from meshnet_relay.server import RelayServer
relay = RelayServer(host="127.0.0.1", port=0)
port = relay.start()
# client_a connects to gossip hub and registers
received_via_relay = []
ready = threading.Event()
def run_nat_client():
import websockets.sync.client as wsc
with wsc.connect(f"ws://127.0.0.1:{port}/ws") as ws:
ws.send(json.dumps({
"topic": "peer-register",
"version": 1,
"from_peer": "nat_peer",
"msg_id": "reg-001",
"timestamp": "2026-06-29T00:00:00Z",
"ttl": 3,
"payload": {"peer_id": "nat_peer", "addr": ""},
}))
# consume peer-list response
ws.recv()
ready.set()
# wait for a relayed message
try:
msg = ws.recv(timeout=3)
received_via_relay.append(json.loads(msg))
except Exception:
pass
nat_thread = threading.Thread(target=run_nat_client, daemon=True)
nat_thread.start()
ready.wait(timeout=5)
time.sleep(0.1) # ensure peer is in registry
# client_b connects via circuit relay path
def send_via_relay():
try:
import websockets.sync.client as wsc
with wsc.connect(f"ws://127.0.0.1:{port}/relay/nat_peer") as ws:
ws.send(json.dumps({"topic": "direct-relay-test", "payload": {"hi": "there"}}))
time.sleep(0.3)
except Exception:
pass
relay_thread = threading.Thread(target=send_via_relay, daemon=True)
relay_thread.start()
relay_thread.join(timeout=3)
nat_thread.join(timeout=3)
relay.stop()
assert received_via_relay, "NAT'd peer did not receive message via circuit relay"
def test_relay_rpc_round_trips_http_request_to_peer():
"""Relay /rpc/<peer> sends one HTTP-shaped request to a connected peer."""
import websockets.sync.client as wsc # type: ignore[import]
from meshnet_relay.server import RelayServer
relay = RelayServer(host="127.0.0.1", port=0)
port = relay.start()
ready = threading.Event()
def run_peer():
with wsc.connect(f"ws://127.0.0.1:{port}/ws") as ws:
ws.send(json.dumps({
"topic": "peer-register",
"version": 1,
"from_peer": "rpc_peer",
"msg_id": "rpc-reg-001",
"payload": {"peer_id": "rpc_peer", "addr": ""},
}))
ws.recv()
ready.set()
envelope = json.loads(ws.recv(timeout=3))
payload = envelope["payload"]
ws.send(json.dumps({
"topic": "relay-http-response",
"version": 1,
"from_peer": "rpc_peer",
"payload": {
"request_id": payload["request_id"],
"status": 200,
"headers": {"Content-Type": "application/json"},
"body": json.dumps({"ok": True, "path": payload["path"]}),
},
}))
peer_thread = threading.Thread(target=run_peer, daemon=True)
peer_thread.start()
assert ready.wait(timeout=5)
with wsc.connect(f"ws://127.0.0.1:{port}/rpc/rpc_peer") as ws:
ws.send(json.dumps({
"request_id": "req-1",
"method": "POST",
"path": "/v1/chat/completions",
"headers": {"Content-Type": "application/json"},
"body": "{}",
}))
response = json.loads(ws.recv(timeout=5))
relay.stop()
peer_thread.join(timeout=3)
assert response["status"] == 200
assert json.loads(response["body"]) == {"ok": True, "path": "/v1/chat/completions"}
def test_node_relay_bridge_reconnects_after_failed_connection(monkeypatch):
"""Node-side relay bridge keeps retrying its outbound WebSocket connection."""
import websockets.sync.client as wsc # type: ignore[import]
from meshnet_node.relay_bridge import RelayHttpBridge
attempts = []
class FakeWebSocket:
def __enter__(self):
return self
def __exit__(self, exc_type, exc, tb):
return False
def send(self, _message):
pass
def recv(self, timeout=1):
raise TimeoutError
def fake_connect(url, open_timeout=5):
attempts.append((url, open_timeout))
if len(attempts) == 1:
raise OSError("temporary relay outage")
return FakeWebSocket()
monkeypatch.setattr(wsc, "connect", fake_connect)
bridge = RelayHttpBridge(
relay_url="ws://relay.example/ws",
peer_id="peer-reconnect",
local_base_url="http://127.0.0.1:8001",
advertised_addr="http://127.0.0.1:8001",
reconnect_interval=0.01,
)
try:
info = bridge.start()
assert info.relay_addr == "ws://relay.example/rpc/peer-reconnect"
assert bridge.wait_connected(timeout=1.0)
finally:
bridge.stop()
assert len(attempts) >= 2
# ---------------------------------------------------------------------------
# Tracker gossip fields tests
# ---------------------------------------------------------------------------
def _start_tracker_and_register(extra_fields: dict) -> dict:
"""Helper: start tracker, register node with extra gossip fields, return response."""
import http.server
import json as _json
import urllib.request
from meshnet_tracker.server import TrackerServer
tracker = TrackerServer(host="127.0.0.1", port=0)
port = tracker.start()
url = f"http://127.0.0.1:{port}"
payload = {
"endpoint": f"http://127.0.0.1:8001",
"shard_start": 0,
"shard_end": 7,
"model": "stub-model",
"hardware_profile": {},
"score": 1.0,
**extra_fields,
}
data = _json.dumps(payload).encode()
req = urllib.request.Request(
f"{url}/v1/nodes/register",
data=data,
headers={"Content-Type": "application/json"},
method="POST",
)
with urllib.request.urlopen(req, timeout=5) as r:
resp = _json.loads(r.read())
tracker.stop()
return resp
def test_tracker_derives_relay_url_from_public_self_url():
from meshnet_tracker.server import TrackerServer, derive_relay_url_from_public_tracker_url
assert derive_relay_url_from_public_tracker_url("https://ai.neuron.d-popov.com") == (
"wss://ai.neuron.d-popov.com/ws"
)
assert derive_relay_url_from_public_tracker_url("http://127.0.0.1:8081") is None
tracker = TrackerServer(cluster_self_url="https://ai.neuron.d-popov.com")
port = tracker.start()
try:
import json as _json
import urllib.request
with urllib.request.urlopen(f"http://127.0.0.1:{port}/v1/network/map", timeout=5) as resp:
body = _json.loads(resp.read())
assert body["relay_url"] == "wss://ai.neuron.d-popov.com/ws"
finally:
tracker.stop()
def test_tracker_accepts_relay_addr_in_registration():
resp = _start_tracker_and_register({
"relay_addr": "ws://relay.meshnet.ai:8765/relay/abc123",
"cert_fingerprint": "sha256:deadbeef",
"peer_id": "abc123def456ef01",
})
assert "node_id" in resp
def test_tracker_accepts_registration_without_gossip_fields():
"""Existing registrations without P2P fields still work."""
resp = _start_tracker_and_register({})
assert "node_id" in resp
def test_tracker_network_map_exposes_relay_and_registered_peer():
import json as _json
import urllib.request
from meshnet_tracker.server import TrackerServer
tracker = TrackerServer(host="127.0.0.1", port=0, relay_url="wss://ai.neuron.d-popov.com/ws")
port = tracker.start()
url = f"http://127.0.0.1:{port}"
try:
req = urllib.request.Request(
f"{url}/v1/nodes/register",
data=_json.dumps({
"endpoint": "http://192.0.2.10:7000",
"model": "stub-model",
"shard_start": 0,
"shard_end": 31,
"relay_addr": "wss://ai.neuron.d-popov.com/rpc/peer123",
"peer_id": "peer123",
}).encode(),
headers={"Content-Type": "application/json"},
method="POST",
)
with urllib.request.urlopen(req, timeout=5):
pass
with urllib.request.urlopen(f"{url}/v1/network/map", timeout=5) as resp:
body = _json.loads(resp.read())
finally:
tracker.stop()
assert body["relay_url"] == "wss://ai.neuron.d-popov.com/ws"
assert body["nodes"][0]["relay_addr"] == "wss://ai.neuron.d-popov.com/rpc/peer123"
assert body["nodes"][0]["peer_id"] == "peer123"
# ---------------------------------------------------------------------------
# mDNS (no-op without zeroconf installed)
# ---------------------------------------------------------------------------
def test_mdns_discovery_is_available_flag():
from meshnet_p2p.mdns import MdnsDiscovery
disc = MdnsDiscovery(peer_id="test", port=8001)
# is_available() should be bool regardless of zeroconf install status
assert isinstance(disc.is_available(), bool)
def test_mdns_start_and_stop_without_zeroconf(monkeypatch):
from meshnet_p2p import mdns as mdns_mod
monkeypatch.setattr(mdns_mod, "_HAS_ZEROCONF", False)
from meshnet_p2p.mdns import MdnsDiscovery
disc = MdnsDiscovery(peer_id="x", port=8001)
disc.start() # should not raise
disc.stop() # should not raise
# ---------------------------------------------------------------------------
# US-036: streamed responses over relay RPC / US-037: bridge concurrency
# ---------------------------------------------------------------------------
def _start_local_http_server(handler_cls):
from http.server import ThreadingHTTPServer
server = ThreadingHTTPServer(("127.0.0.1", 0), handler_cls)
thread = threading.Thread(target=server.serve_forever, daemon=True)
thread.start()
return server, server.server_address[1]
def _run_streaming_peer(port: int, peer_id: str, ready: threading.Event):
"""Peer that answers one rpc request with a 4-frame streamed response."""
import websockets.sync.client as wsc # type: ignore[import]
with wsc.connect(f"ws://127.0.0.1:{port}/ws") as ws:
ws.send(json.dumps({
"topic": "peer-register",
"version": 1,
"from_peer": peer_id,
"msg_id": f"{peer_id}-reg",
"payload": {"peer_id": peer_id, "addr": ""},
}))
ws.recv()
ready.set()
envelope = json.loads(ws.recv(timeout=5))
rid = envelope["payload"]["request_id"]
def frame(payload):
ws.send(json.dumps({
"topic": "relay-http-response",
"version": 1,
"from_peer": peer_id,
"payload": payload,
}))
frame({"request_id": rid, "status": 200,
"headers": {"Content-Type": "text/event-stream"},
"stream": True, "done": False})
frame({"request_id": rid, "stream": True,
"chunk": 'data: {"choices": [{"delta": {"content": "hello"}}]}\n\n',
"done": False})
frame({"request_id": rid, "stream": True,
"chunk": "data: [DONE]\n\n", "done": False})
frame({"request_id": rid, "stream": True, "done": True})
def test_relay_rpc_forwards_streamed_frames_in_order():
"""A streamed response traverses the relay as multiple frames ending with done."""
import websockets.sync.client as wsc # type: ignore[import]
from meshnet_relay.server import RelayServer
relay = RelayServer(host="127.0.0.1", port=0)
port = relay.start()
ready = threading.Event()
peer_thread = threading.Thread(
target=_run_streaming_peer, args=(port, "stream_peer", ready), daemon=True
)
peer_thread.start()
assert ready.wait(timeout=5)
frames = []
with wsc.connect(f"ws://127.0.0.1:{port}/rpc/stream_peer") as ws:
ws.send(json.dumps({
"request_id": "req-stream-1",
"method": "POST",
"path": "/v1/chat/completions",
"headers": {},
"body": "{}",
}))
while True:
frames.append(json.loads(ws.recv(timeout=5)))
if not frames[-1].get("stream") or frames[-1].get("done"):
break
relay.stop()
peer_thread.join(timeout=3)
assert len(frames) == 4
assert frames[0]["status"] == 200 and frames[0]["stream"] is True
assert frames[1]["chunk"].startswith("data:")
assert frames[2]["chunk"] == "data: [DONE]\n\n"
assert frames[-1]["done"] is True
def test_tracker_relay_http_request_collapses_streamed_frames():
"""Buffered wrapper joins chunk frames into one response body."""
from meshnet_relay.server import RelayServer
from meshnet_tracker.server import _relay_http_request
relay = RelayServer(host="127.0.0.1", port=0)
port = relay.start()
ready = threading.Event()
peer_thread = threading.Thread(
target=_run_streaming_peer, args=(port, "buffer_peer", ready), daemon=True
)
peer_thread.start()
assert ready.wait(timeout=5)
response = _relay_http_request(
f"ws://127.0.0.1:{port}/rpc/buffer_peer",
path="/v1/chat/completions",
body=b"{}",
headers={},
)
relay.stop()
peer_thread.join(timeout=3)
assert response is not None
assert response["status"] == 200
assert '"content": "hello"' in response["body"]
assert "data: [DONE]" in response["body"]
def test_stream_line_tokens_accounting():
from meshnet_tracker.server import _stream_line_tokens
assert _stream_line_tokens(b": comment") == (0, None)
assert _stream_line_tokens(b"data: [DONE]") == (0, None)
observed, reported = _stream_line_tokens(
b'data: {"choices": [{"delta": {"content": "two words"}}]}'
)
assert observed == 2 and reported is None
observed, reported = _stream_line_tokens(b'data: {"usage": {"total_tokens": 42}}')
assert reported == 42
assert _stream_line_tokens(b"data: not-json") == (1, None)
def test_relay_bridge_streams_sse_as_chunk_frames():
"""Bridge forwards a local SSE response as header + chunk frames + done."""
from http.server import BaseHTTPRequestHandler
from meshnet_node.relay_bridge import RelayHttpBridge
class SSEHandler(BaseHTTPRequestHandler):
def do_POST(self):
self.rfile.read(int(self.headers.get("Content-Length", 0) or 0))
self.send_response(200)
self.send_header("Content-Type", "text/event-stream")
self.end_headers()
for i in range(3):
self.wfile.write(f'data: {{"i": {i}}}\n\n'.encode())
self.wfile.flush()
self.wfile.write(b"data: [DONE]\n\n")
def log_message(self, *args):
pass
server, port = _start_local_http_server(SSEHandler)
try:
bridge = RelayHttpBridge(
relay_url="ws://unused.example/ws",
peer_id="peer-sse",
local_base_url=f"http://127.0.0.1:{port}",
advertised_addr="",
)
frames = []
bridge._send_response_frame = lambda payload: (frames.append(payload), True)[1]
bridge._process_request({
"request_id": "req-sse-1",
"method": "POST",
"path": "/v1/chat/completions",
"headers": {"Content-Type": "application/json"},
"body": "{}",
})
finally:
server.shutdown()
assert frames[0]["stream"] is True and frames[0]["status"] == 200
chunk_frames = [f for f in frames if f.get("chunk")]
assert len(chunk_frames) >= 2
assert frames[-1] == {"request_id": "req-sse-1", "stream": True, "done": True}
assert "".join(f["chunk"] for f in chunk_frames).count("data:") == 4
def test_relay_bridge_non_stream_response_stays_single_frame():
from http.server import BaseHTTPRequestHandler
from meshnet_node.relay_bridge import RelayHttpBridge
class JSONHandler(BaseHTTPRequestHandler):
def do_POST(self):
self.rfile.read(int(self.headers.get("Content-Length", 0) or 0))
body = json.dumps({"ok": True}).encode()
self.send_response(200)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
def log_message(self, *args):
pass
server, port = _start_local_http_server(JSONHandler)
try:
bridge = RelayHttpBridge(
relay_url="ws://unused.example/ws",
peer_id="peer-json",
local_base_url=f"http://127.0.0.1:{port}",
advertised_addr="",
)
frames = []
bridge._send_response_frame = lambda payload: (frames.append(payload), True)[1]
bridge._process_request({
"request_id": "req-json-1",
"method": "POST",
"path": "/v1/chat/completions",
"headers": {"Content-Type": "application/json"},
"body": "{}",
})
finally:
server.shutdown()
assert len(frames) == 1
assert "stream" not in frames[0]
assert json.loads(frames[0]["body"]) == {"ok": True}
def test_relay_bridge_serves_concurrent_requests():
"""US-037: a slow relayed request must not block a fast one."""
import websockets.sync.client as wsc # type: ignore[import]
from http.server import BaseHTTPRequestHandler
from meshnet_node.relay_bridge import RelayHttpBridge
from meshnet_relay.server import RelayServer
class Handler(BaseHTTPRequestHandler):
def do_POST(self):
self.rfile.read(int(self.headers.get("Content-Length", 0) or 0))
if self.path == "/slow":
time.sleep(2.0)
body = json.dumps({"path": self.path}).encode()
self.send_response(200)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
def log_message(self, *args):
pass
http_server, http_port = _start_local_http_server(Handler)
relay = RelayServer(host="127.0.0.1", port=0)
relay_port = relay.start()
bridge = RelayHttpBridge(
relay_url=f"ws://127.0.0.1:{relay_port}/ws",
peer_id="conc_peer",
local_base_url=f"http://127.0.0.1:{http_port}",
advertised_addr="",
)
bridge.start()
results = {}
try:
assert bridge.wait_connected(timeout=5)
deadline = time.time() + 5
while time.time() < deadline and relay.registry.get("conc_peer") is None:
time.sleep(0.05)
assert relay.registry.get("conc_peer") is not None
def call(path, key):
with wsc.connect(f"ws://127.0.0.1:{relay_port}/rpc/conc_peer") as ws:
ws.send(json.dumps({
"request_id": f"req-{key}",
"method": "POST",
"path": path,
"headers": {"Content-Type": "application/json"},
"body": "{}",
}))
results[key] = (json.loads(ws.recv(timeout=10)), time.monotonic())
start = time.monotonic()
slow_thread = threading.Thread(target=call, args=("/slow", "slow"), daemon=True)
slow_thread.start()
time.sleep(0.3) # let the slow request reach the bridge first
call("/fast", "fast")
fast_elapsed = results["fast"][1] - start
slow_thread.join(timeout=10)
finally:
bridge.stop()
relay.stop()
http_server.shutdown()
assert results["fast"][0]["status"] == 200
assert results["slow"][0]["status"] == 200
# The fast request finished while the slow one was still in flight.
assert fast_elapsed < 1.5
# Responses matched by request_id despite out-of-order completion.
assert json.loads(results["fast"][0]["body"]) == {"path": "/fast"}
assert json.loads(results["slow"][0]["body"]) == {"path": "/slow"}
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