修正设备定位坐标系归一化

talkingq-url/tests/test_location_coordinate_normalization.py

@@ -0,0 +1,51 @@
+import pytest
+
+from banban.service.location import (
+    LocationService,
+    normalize_location_coordinate,
+)
+
+
+def test_normalize_default_device_location_from_wgs84_to_gcj02():
+    lat, lng, coord_type = normalize_location_coordinate(
+        latitude=30.223122166666666,
+        longitude=120.25837883333334,
+        coord_type=None,
+    )
+
+    assert coord_type == "gcj02"
+    assert lat == pytest.approx(30.22066658053894)
+    assert lng == pytest.approx(120.26284572518867)
+
+
+def test_normalize_explicit_gcj02_does_not_convert_again():
+    lat, lng, coord_type = normalize_location_coordinate(
+        latitude=30.223122166666666,
+        longitude=120.25837883333334,
+        coord_type="gcj02",
+    )
+
+    assert coord_type == "gcj02"
+    assert lat == pytest.approx(30.223122166666666)
+    assert lng == pytest.approx(120.25837883333334)
+
+
+@pytest.mark.asyncio
+async def test_mqtt_location_report_ignores_zero_zero_before_normalization(monkeypatch):
+    service = LocationService()
+    sessions = []
+
+    async def fail_get_session():
+        sessions.append("called")
+        raise AssertionError("invalid location should not open a database session")
+
+    monkeypatch.setattr(service, "get_session", fail_get_session)
+
+    row = await service.report_mqtt_device_location(
+        device_id="TalkingQ_device001",
+        latitude=0,
+        longitude=0,
+    )
+
+    assert row is None
+    assert sessions == []