更新

backend/tests/test_ws_client_scaling.py

@@ -20,7 +20,10 @@ from rpa_engine.douyin_im.session import DouyinImSession
 from rpa_engine.douyin_im.ws_client import DouyinImWsClient, _reconnect_delay
 
 
-TEST_WS_URL = "wss://frontier-im.douyin.com/ws/v2?token=test-token-value"
+TEST_WS_URL = (
+    "wss://frontier-im.douyin.com/ws/v2?fpid=9&device_id=10001&"
+    "token=test-token-value"
+)
 
 
 class _FakeWebSocket:
@@ -108,6 +111,25 @@ class WebSocketScalingTests(unittest.IsolatedAsyncioTestCase):
         self.assertFalse(client.connected)
         self.assertIsNone(client._connection)
 
+    async def test_browser_frontier_uses_text_heartbeat_and_filters_ack(self):
+        client = self._make_client()
+        client._running = True
+        websocket = AsyncMock()
+
+        heartbeat = asyncio.create_task(client._run_browser_heartbeat(websocket))
+        for _ in range(20):
+            if websocket.send.await_count:
+                break
+            await asyncio.sleep(0)
+        heartbeat.cancel()
+        with self.assertRaises(asyncio.CancelledError):
+            await heartbeat
+
+        websocket.send.assert_awaited_once_with("hi")
+        with patch.object(ws_module, "parse_ws_payload") as parse:
+            await client._dispatch("hi")
+        parse.assert_not_called()
+
     async def test_starting_500_clients_does_not_create_os_threads(self):
         parked = asyncio.Event()