feat(监控): 完善系统监控、登录状态与访问审计能力

backend/tests/test_monitoring_server_location.py

@@ -0,0 +1,53 @@
+from types import SimpleNamespace
+
+import pytest
+
+from app.core.config import settings
+from app.services import monitoring_server_location
+
+
+def test_public_ip_normalization_rejects_private_addresses():
+    assert monitoring_server_location._normalize_public_ip("8.8.8.8\n") == "8.8.8.8"
+    assert monitoring_server_location._normalize_public_ip("10.0.0.8") is None
+    assert monitoring_server_location._normalize_public_ip("127.0.0.1") is None
+    assert monitoring_server_location._normalize_public_ip("not-an-ip") is None
+
+
+@pytest.mark.asyncio
+async def test_server_location_is_derived_from_configured_public_ip(monkeypatch):
+    monkeypatch.setattr(settings, "MONITORING_SERVER_PUBLIC_IP", "8.8.8.8")
+    monkeypatch.setattr(
+        monitoring_server_location,
+        "resolve_ip_location",
+        lambda ip: SimpleNamespace(
+            location="United States / California / San Jose",
+            country="United States",
+            province="California",
+            city="San Jose",
+            isp="Google",
+        ),
+    )
+    monitoring_server_location.reset_monitoring_server_location_cache()
+
+    location = await monitoring_server_location.resolve_monitoring_server_location()
+
+    assert location is not None
+    assert location.name == "United States / California / San Jose"
+    assert location.longitude == -121.8863
+    assert location.latitude == 37.3382
+    assert location.resolution_source == "configured_public_ip"
+    monitoring_server_location.reset_monitoring_server_location_cache()
+
+
+@pytest.mark.asyncio
+async def test_server_location_returns_none_instead_of_a_hardcoded_fallback(monkeypatch):
+    async def no_public_ip():
+        return None, "unavailable"
+
+    monkeypatch.setattr(monitoring_server_location, "_discover_public_ip", no_public_ip)
+    monitoring_server_location.reset_monitoring_server_location_cache()
+
+    location = await monitoring_server_location.resolve_monitoring_server_location()
+
+    assert location is None
+    monitoring_server_location.reset_monitoring_server_location_cache()