Files
lingniu-vehicle-ingest/vehicle-map/tests/test_server.py
T

145 lines
7.3 KiB
Python

import importlib.util
from pathlib import Path
import tempfile
import threading
import time
import unittest
from unittest.mock import patch
SPEC = importlib.util.spec_from_file_location("vehicle_map_server", Path(__file__).parents[1] / "server.py")
server = importlib.util.module_from_spec(SPEC)
SPEC.loader.exec_module(server)
class DashboardTest(unittest.TestCase):
def test_dashboard_aggregates_public_vehicle_and_station_data(self):
def fake_post(path, body):
if path.endswith("realtime/query"):
return [
{"vin": "VIN1", "motionStatus": "driving", "speedKmh": 18, "activeToday": True, "online": True},
{"vin": "VIN2", "motionStatus": "idle", "speedKmh": 0, "activeToday": True, "online": True},
{"vin": "VIN3", "motionStatus": "offline", "speedKmh": 0, "activeToday": False, "online": False},
]
if path.endswith("mileage/query"):
return [
{"vin": "VIN1", "status": "NORMAL", "dailyMileageKm": 12.345},
{"vin": "VIN2", "status": "NORMAL", "dailyMileageKm": 7.655},
{"vin": "VIN3", "status": "NO_DATA", "dailyMileageKm": None},
]
if path.endswith("hydrogen-stations/query"):
return [{"id": "1", "cooperative": True}, {"id": "2", "cooperative": False}]
raise AssertionError(path)
with patch.object(server, "_post_open_platform", side_effect=fake_post):
with patch.object(server, "_cache", {}):
result = server._load_dashboard()
self.assertEqual(result["summary"]["totalVehicles"], 3)
self.assertEqual(result["summary"]["onlineVehicles"], 2)
self.assertEqual(result["summary"]["drivingVehicles"], 1)
self.assertEqual(result["summary"]["todayMileageKm"], 20.0)
self.assertEqual(result["summary"]["totalStations"], 2)
self.assertEqual(result["summary"]["cooperativeStations"], 1)
self.assertEqual(result["vehicles"][0]["dailyMileageKm"], 12.345)
self.assertEqual(result["vehicles"][2]["dailyMileageKm"], 0)
def test_static_asset_version_is_a_content_fingerprint(self):
self.assertEqual(len(server.STATIC_ASSET_VERSION), 16)
self.assertRegex(server.STATIC_ASSET_VERSION, r"^[0-9a-f]{16}$")
index_template = (Path(__file__).parents[1] / "index.html").read_text(encoding="utf-8")
self.assertEqual(index_template.count("__ASSET_VERSION__"), 2)
def test_default_cache_window_is_two_minutes(self):
self.assertEqual(server.DASHBOARD_CACHE_SECONDS, 120)
self.assertEqual(server.STATION_CACHE_SECONDS, 120)
def test_public_station_directory_limits_partner_contact_and_price_to_cooperative_stations(self):
stations = [
{"id": "partner", "cooperative": True, "contactPerson": "张工", "contactPhone": "13800000000", "unitPrice": 12.5},
{"id": "external", "cooperative": False, "contactPerson": "李工", "contactPhone": "13900000000", "unitPrice": 10.0},
]
with patch.object(server, "_load_stations", return_value=stations):
directory = server._public_station_directory()["stations"]
self.assertEqual(directory[0]["contactPerson"], "张工")
self.assertEqual(directory[0]["contactPhone"], "13800000000")
self.assertEqual(directory[0]["unitPrice"], 12.5)
self.assertNotIn("contactPerson", directory[1])
self.assertNotIn("contactPhone", directory[1])
self.assertNotIn("unitPrice", directory[1])
def test_cache_reuses_dashboard_snapshot_within_window(self):
calls = []
with patch.object(server, "_cache", {}):
first = server._cached("dashboard", 120, lambda: calls.append("load") or {"version": 1})
second = server._cached("dashboard", 120, lambda: calls.append("load") or {"version": 2})
self.assertEqual(calls, ["load"])
self.assertEqual(first, second)
def test_expired_cache_returns_stale_value_while_refreshing_in_background(self):
started = threading.Event()
release = threading.Event()
def loader():
started.set()
release.wait(1)
return {"version": 2}
cache = {"dashboard": (time.time() - 121, {"version": 1})}
with patch.object(server, "_cache", cache), \
patch.object(server, "_cache_refreshing", set()), \
patch.object(server, "_cache_load_locks", {}):
result = server._cached("dashboard", 120, loader)
self.assertEqual(result, {"version": 1})
self.assertTrue(started.wait(1))
release.set()
for _ in range(100):
if cache["dashboard"][1] == {"version": 2}:
break
time.sleep(0.01)
self.assertEqual(cache["dashboard"][1], {"version": 2})
def test_expired_station_region_is_served_while_refresh_is_scheduled(self):
station = {"longitude": 113.2, "latitude": 23.1, "province": "错误省份"}
coordinate = server._station_coordinate_key(station)
stale_region = {"province": "广东省", "city": "广州市", "district": "黄埔区"}
cache = {coordinate: {"updatedAt": time.time() - server.STATION_GEOCODE_CACHE_SECONDS - 1, "region": stale_region}}
with patch.object(server, "_station_geocode_cache", cache), \
patch.object(server, "_station_geocode_cache_dirty", False), \
patch.object(server, "_schedule_station_region_refresh") as schedule, \
patch.object(server, "_reverse_geocode_station") as reverse:
result = server._stations_with_gps_regions([station])
self.assertEqual(result[0]["province"], "广东省")
self.assertEqual(result[0]["city"], "广州市")
reverse.assert_not_called()
schedule.assert_called_once()
self.assertEqual(len(schedule.call_args[0][0]), 1)
def test_station_region_comes_from_gps_reverse_geocode_and_persists_by_coordinate(self):
station = {
"longitude": 113.200001,
"latitude": 23.100001,
"province": "错误省份",
"city": "错误城市",
"district": "错误区县",
}
with tempfile.TemporaryDirectory() as directory:
cache_path = Path(directory) / "station-geocode.json"
with patch.object(server, "STATION_GEOCODE_CACHE_PATH", cache_path), \
patch.object(server, "_station_geocode_cache", None), \
patch.object(server, "_station_geocode_cache_dirty", False), \
patch.object(server, "_reverse_geocode_station", return_value={
"province": "广东省", "city": "广州市", "district": "黄埔区", "adcode": "440112"
}) as reverse:
first = server._stations_with_gps_regions([station])[0]
second = server._stations_with_gps_regions([dict(station, province="仍然错误")])[0]
self.assertEqual(first["province"], "广东省")
self.assertEqual(first["city"], "广州市")
self.assertEqual(first["district"], "黄埔区")
self.assertEqual(second["province"], "广东省")
self.assertEqual(reverse.call_count, 1)
self.assertTrue(cache_path.exists())
if __name__ == "__main__":
unittest.main()