release: nexus btpanel session fix and app-v2

tests/test_fleet_metrics.py

@@ -0,0 +1,60 @@
+"""Fleet metric aggregation and API shape."""
+
+from datetime import datetime, timedelta, timezone
+
+import pytest
+
+from server.utils.fleet_metrics import aggregate_fleet_metrics
+
+
+def test_aggregate_fleet_metrics_averages():
+    rows = [
+        {
+            "is_online": "True",
+            "system_info": '{"cpu_usage": 10, "mem_usage": 20, "disk_usage": 30}',
+        },
+        {
+            "is_online": "True",
+            "system_info": '{"cpu_usage": 30, "mem_usage": 40, "disk_usage": 50}',
+        },
+        {
+            "is_online": "False",
+            "system_info": '{"cpu_usage": 100, "mem_usage": 100, "disk_usage": 100}',
+        },
+    ]
+    agg = aggregate_fleet_metrics(rows)
+    assert agg.online_count == 2
+    assert agg.sample_count == 3
+    assert agg.cpu_avg == 47  # round((10+30+100)/3)
+    assert agg.mem_avg == 53
+    assert agg.disk_avg == 60
+
+
+def test_aggregate_empty():
+    agg = aggregate_fleet_metrics([])
+    assert agg.online_count == 0
+    assert agg.cpu_avg is None
+
+
+@pytest.mark.asyncio
+async def test_fleet_metrics_api(db_session, test_admin):
+    from server.api.servers import fleet_metrics
+    from server.infrastructure.database.fleet_metric_repo import FleetMetricRepositoryImpl
+
+    repo = FleetMetricRepositoryImpl(db_session)
+    now = datetime.now(timezone.utc)
+    await repo.insert_sample(
+        recorded_at=now,
+        online_count=100,
+        sample_count=90,
+        cpu_avg=12,
+        mem_avg=45,
+        disk_avg=60,
+    )
+    await db_session.commit()
+
+    body = await fleet_metrics(hours=24, admin=test_admin["admin"], db=db_session)
+    assert body["hours"] == 24
+    assert body["interval_minutes"] == 10
+    assert len(body["points"]) >= 1
+    assert body["points"][-1]["cpu_avg"] == 12