feat(map): add cached public station navigation

2026-08-12 10:50:06 +08:00
parent 357dd490e9
commit 6ef98d03c2
13 changed files with 780 additions and 4 deletions
@@ -0,0 +1,46 @@
+import importlib.util
+from pathlib import Path
+import unittest
+from unittest.mock import patch
+
+
+SPEC = importlib.util.spec_from_file_location("station_navigation_server", Path(__file__).parents[1] / "server.py")
+server = importlib.util.module_from_spec(SPEC)
+SPEC.loader.exec_module(server)
+
+
+class StationNavigationTest(unittest.TestCase):
+    def test_directory_is_a_positive_allowlist_without_hydrogen_data(self):
+        source = [{
+            "id": "GD-1", "name": "广州合作站", "province": "广东省", "city": "广州市",
+            "district": "黄埔区", "address": "开源大道1号", "longitude": 113.2, "latitude": 23.1,
+            "cooperative": True, "monthlyHydrogenKg": 88.8, "totalHydrogenKg": 999.9,
+            "vehicleCount": 20,
+        }]
+        with patch.object(server, "_post_open_platform", return_value=source):
+            result = server._load_station_directory()
+
+        self.assertEqual(result["summary"], {"totalStations": 1, "cooperativeStations": 1})
+        station = result["stations"][0]
+        self.assertEqual(station["name"], "广州合作站")
+        self.assertNotIn("monthlyHydrogenKg", station)
+        self.assertNotIn("totalHydrogenKg", station)
+        self.assertNotIn("vehicleCount", station)
+
+    def test_static_assets_are_fingerprinted(self):
+        self.assertRegex(server.STATIC_ASSET_VERSION, r"^[0-9a-f]{16}$")
+
+    def test_default_cache_window_is_two_minutes(self):
+        self.assertEqual(server.STATION_CACHE_SECONDS, 120)
+
+    def test_cache_reuses_directory_snapshot_within_window(self):
+        calls = []
+        with patch.object(server, "_cache", {}):
+            first = server._cached("station-directory", 120, lambda: calls.append("load") or {"version": 1})
+            second = server._cached("station-directory", 120, lambda: calls.append("load") or {"version": 2})
+        self.assertEqual(calls, ["load"])
+        self.assertEqual(first, second)
+
+
+if __name__ == "__main__":
+    unittest.main()