Remove redis

backend/tests/test_app_health.py

@@ -1,3 +1,10 @@
+import json
+
+import pytest
+
+from app.main import ConnectionManager
+
+
 def test_root_returns_api_metadata(client):
     response = client.get("/")
 
@@ -12,3 +19,34 @@ def test_health_check_reports_database_connection(client):
     assert response.status_code == 200
     assert response.json()["status"] == "healthy"
     assert response.json()["database"] == "connected"
+
+
+class FakeWebSocket:
+    def __init__(self, fail_send=False):
+        self.accepted = False
+        self.fail_send = fail_send
+        self.messages = []
+
+    async def accept(self):
+        self.accepted = True
+
+    async def send_text(self, message):
+        if self.fail_send:
+            raise RuntimeError("socket closed")
+        self.messages.append(message)
+
+
+@pytest.mark.asyncio
+async def test_connection_manager_broadcasts_to_active_connections_and_removes_dead_ones():
+    manager = ConnectionManager()
+    active_socket = FakeWebSocket()
+    dead_socket = FakeWebSocket(fail_send=True)
+
+    await manager.connect(active_socket)
+    await manager.connect(dead_socket)
+    await manager.broadcast({"type": "ppr_updated", "id": 123})
+
+    assert active_socket.accepted is True
+    assert dead_socket.accepted is True
+    assert json.loads(active_socket.messages[0]) == {"type": "ppr_updated", "id": 123}
+    assert manager.active_connections == [active_socket]