Files
vocero-client/s2s-client/tests/test_server.py
T

200 lines
9.5 KiB
Python

"""Backend contract checks with local HTTP fixtures and a loopback voice server.
Run from the repository root: .venv/bin/python -m unittest discover -s s2s-client/tests
"""
import json
import os
from pathlib import Path
import sys
import threading
import unittest
from unittest.mock import Mock, patch
import httpx
from fastapi.testclient import TestClient
from websockets.sync.server import serve
sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
# Never consume deployment credentials or contact services from a developer's .env.
with patch.dict(os.environ, {}, clear=True), patch("dotenv.load_dotenv", return_value=False):
import server
GRANT = {
"session_id": "local-session",
"connect_url": "ws://voice.test/v1/realtime?token=fixture",
"pending_timeout_s": 60,
}
TICKET = {"state": "queued", "queue_id": "local-ticket", "position": 2, "poll_interval_s": 1}
ASYNC_CLIENT = httpx.AsyncClient
class BackendContractTests(unittest.TestCase):
def setUp(self):
self.upstream = Mock(side_effect=AssertionError("Unexpected upstream HTTP request"))
self.enterContext(patch.object(server, "LOAD_BALANCER_URL", "http://lb.test"))
self.enterContext(patch.object(
server.httpx, "AsyncClient",
side_effect=lambda **kwargs: ASYNC_CLIENT(
transport=httpx.MockTransport(self.upstream), **kwargs,
),
))
self.client = self.enterContext(TestClient(server.app))
def respond(self, *responses):
self.upstream.side_effect = iter(responses)
def test_bootstrap_and_removed_account_contract(self):
response = self.client.get("/api/config")
self.assertEqual(response.status_code, 200)
self.assertTrue(response.json()["lb"])
self.assertFalse(response.json()["allowDirect"])
self.assertNotIn("auth", response.json())
paths = self.client.get("/openapi.json").json()["paths"]
for path in ("/api/me", "/api/session/heartbeat", "/api/session/end"):
self.assertNotIn(path, paths)
self.assertFalse(any(getattr(route, "path", "").startswith("/oauth") for route in server.app.routes))
self.upstream.assert_not_called()
def test_session_grant_passes_through_without_extra_fields_or_cookies(self):
self.respond(httpx.Response(200, json=GRANT))
response = self.client.post("/api/session", json={})
self.assertEqual(response.status_code, 200)
self.assertEqual(response.json(), GRANT)
self.assertNotIn("set-cookie", response.headers)
request = self.upstream.call_args.args[0]
self.assertEqual((request.method, str(request.url)), ("POST", "http://lb.test/session"))
self.assertEqual(json.loads(request.content), {})
def test_queue_polling_returns_positions_and_then_grant(self):
self.respond(
httpx.Response(200, json=TICKET),
httpx.Response(200, json={**TICKET, "position": 1}),
httpx.Response(200, json=GRANT),
)
self.assertEqual(self.client.post("/api/session").json(), TICKET)
self.assertEqual(self.client.get("/api/queue/local-ticket").json(), {**TICKET, "position": 1})
response = self.client.get("/api/queue/local-ticket")
self.assertEqual(response.json(), GRANT)
self.assertNotIn("set-cookie", response.headers)
self.assertEqual(
[(call.args[0].method, call.args[0].url.path) for call in self.upstream.call_args_list],
[("POST", "/session"), ("GET", "/queue/local-ticket"), ("GET", "/queue/local-ticket")],
)
def test_capacity_and_expired_queue_responses_remain(self):
self.respond(httpx.Response(503, json={"state": "at_capacity"}), httpx.Response(404))
response = self.client.post("/api/session")
self.assertEqual((response.status_code, response.json()), (503, {"state": "at_capacity"}))
response = self.client.get("/api/queue/local-ticket")
self.assertEqual((response.status_code, response.json()), (404, {"state": "expired"}))
def test_explicit_and_beacon_queue_cancellation(self):
self.respond(httpx.Response(204), httpx.Response(204))
self.assertEqual(self.client.delete("/api/queue/local-ticket").json(), {"ok": True})
# sendBeacon posts a JSON blob, not a form or a session identifier.
response = self.client.post(
"/api/queue/end", content=json.dumps({"queueId": "local-ticket"}),
headers={"Content-Type": "application/json"},
)
self.assertEqual(response.json(), {"ok": True})
for call in self.upstream.call_args_list:
self.assertEqual((call.args[0].method, call.args[0].url.path), ("DELETE", "/queue/local-ticket"))
self.assertEqual(self.upstream.call_count, 2)
def test_empty_beacon_is_harmless_and_cancellation_is_best_effort(self):
self.assertEqual(self.client.post("/api/queue/end", content="").json(), {"ok": True})
self.upstream.assert_not_called()
self.upstream.side_effect = httpx.ConnectError("Local fixture unavailable")
self.assertEqual(self.client.delete("/api/queue/local-ticket").json(), {"ok": True})
def test_upstream_failures_are_still_reported(self):
self.upstream.side_effect = httpx.ConnectError("Local fixture unavailable")
self.assertEqual(self.client.post("/api/session").status_code, 502)
self.assertEqual(self.client.get("/api/queue/local-ticket").status_code, 502)
self.respond(httpx.Response(429), httpx.Response(500))
self.assertEqual(self.client.post("/api/session").status_code, 502)
self.assertEqual(self.client.get("/api/queue/local-ticket").status_code, 502)
def test_direct_mode_disables_lb_and_preserves_pinned_voice_url(self):
with patch.object(server, "LOAD_BALANCER_URL", ""), patch.object(
server, "SPEECH_TO_SPEECH_URL", GRANT["connect_url"],
):
config = self.client.get("/api/config").json()
self.assertEqual(config["s2sUrl"], GRANT["connect_url"])
self.assertFalse(config["lb"])
self.assertTrue(config["allowDirect"])
for method, path in (
("POST", "/api/session"), ("GET", "/api/queue/local-ticket"),
("DELETE", "/api/queue/local-ticket"), ("POST", "/api/queue/end"),
):
self.assertEqual(self.client.request(method, path).status_code, 404)
self.upstream.assert_not_called()
def test_caller_profile_still_uses_upstream_login_token(self):
profile = {"result": {"name": "Local Caller"}}
self.respond(
httpx.Response(200, json={"token": "fixture-token"}),
httpx.Response(200, json=profile),
)
with patch.object(server, "S2S_LOGIN_BY_PHONE", "http://profile.test/login"), patch.object(
server, "VOCERO_USER_PHONE_AUTH_URL", "http://profile.test/user",
):
response = self.client.get("/api/user/phone", params={"phoneNumber": "+56000000000"})
self.assertEqual(response.json(), profile)
login, lookup = [call.args[0] for call in self.upstream.call_args_list]
self.assertEqual(json.loads(login.content), {"phoneNumber": "+56000000000"})
self.assertEqual(lookup.headers["authorization"], "Bearer fixture-token")
self.assertEqual(lookup.url.params["phoneNumber"], "+56000000000")
def test_caller_auth_headers_remain_independent(self):
request = server.Request({
"type": "http", "headers": [
(b"authorization", b"Bearer fixture-token"), (b"x-demo-session", b"fixture-demo"),
],
})
self.assertEqual(server._apipilot_parse_authorization(request), ("Bearer fixture-token", "fixture-demo"))
class VoiceProxyTests(unittest.TestCase):
def test_proxy_voice_frames_keepalive_and_client_disconnect(self):
closed = threading.Event()
received = []
keepalive = threading.Event()
def voice(socket):
try:
socket.send(json.dumps({"type": "session.created"}))
if socket.ping().wait(3):
keepalive.set()
for frame in socket:
received.append(frame)
socket.send(frame)
finally:
closed.set()
with serve(voice, "127.0.0.1", 0) as upstream:
thread = threading.Thread(target=upstream.serve_forever, daemon=True)
thread.start()
self.addCleanup(thread.join, 5)
target = f"ws://127.0.0.1:{upstream.socket.getsockname()[1]}/v1/realtime"
with patch.object(server, "S2S_PROXY_TARGET", target), TestClient(server.app) as client:
config = client.get("/api/config", headers={"host": "localhost:19420"}).json()
self.assertEqual(config["s2sUrl"], "ws://localhost:19420/v1/realtime")
with client.websocket_connect("/v1/realtime") as socket:
self.assertEqual(socket.receive_json(), {"type": "session.created"})
update = {"type": "session.update", "session": {"instructions": "Local fixture"}}
socket.send_json(update)
self.assertEqual(socket.receive_json(), update)
socket.send_bytes(b"\x00\x01\x02\x03")
self.assertEqual(socket.receive_bytes(), b"\x00\x01\x02\x03")
self.assertTrue(keepalive.wait(3))
self.assertTrue(closed.wait(3), "Client disconnect must close the upstream WebSocket")
self.assertEqual(len(received), 2)
if __name__ == "__main__":
unittest.main()