Add SNMP profile mapping and fix asset cleanup

backend/tests/test_monitors.py

@@ -3,7 +3,7 @@ from sqlalchemy import select
 from sqlalchemy.orm import Session
 
 from app.core.secrets import encrypt_secret
-from app.models import AlertRule, Asset, Credential, Monitor
+from app.models import AlertRule, Asset, Credential, Incident, Monitor
 
 
 def test_create_website_monitor_creates_asset_and_alert_rule(client: TestClient, db_session: Session) -> None:
@@ -211,3 +211,41 @@ def test_create_snmp_monitors_rejects_missing_profile(client: TestClient, db_ses
     )
 
     assert response.status_code == 404
+
+
+def test_delete_asset_deletes_attached_monitors_and_resolves_incidents(client: TestClient, db_session: Session) -> None:
+    asset = Asset(name="Router", asset_type="network_device", address="192.0.2.1", status="down", extra={})
+    monitor = Monitor(
+        asset=asset,
+        name="Router ping",
+        monitor_type="ping",
+        target="192.0.2.1",
+        config={},
+        interval_seconds=60,
+        status="down",
+    )
+    db_session.add_all([asset, monitor])
+    db_session.flush()
+    incident = Incident(
+        asset_id=asset.id,
+        monitor_id=monitor.id,
+        alert_rule_id=None,
+        title="Router ping is failing",
+        severity="warning",
+        status="open",
+        details={"last_message": "Ping failed"},
+    )
+    db_session.add(incident)
+    db_session.commit()
+
+    response = client.delete(f"/assets/{asset.id}")
+
+    assert response.status_code == 204
+    assert db_session.get(Asset, asset.id) is None
+    assert db_session.get(Monitor, monitor.id) is None
+    db_session.refresh(incident)
+    assert incident.status == "resolved"
+    assert incident.resolved_at is not None
+    assert incident.asset_id is None
+    assert incident.monitor_id is None
+    assert incident.details["recovery_message"] == "Asset was deleted"