test: replace smoke checks with repo-local runtime tests

Author: sis0k0

.github/workflows/ci.yml

@@ -92,8 +92,8 @@ jobs:
         shell: bash
         run: |
           set -euo pipefail
-          if [ -f tests/run_runtime_smoke.py ]; then
-            python tests/run_runtime_smoke.py
+          if [ -f tests/test_runtime.py ]; then
+            python tests/test_runtime.py
           else
             echo "No runtime smoke test file found"
             exit 1

tests/run_runtime_smoke.py

@@ -0,0 +1,51 @@
+import asyncio
+import importlib.util
+import sys
+import types
+import unittest
+from pathlib import Path
+
+from fastapi import APIRouter
+
+
+class RuntimeTest(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        config = types.ModuleType("config")
+        config.settings = types.SimpleNamespace(DB_URL="mongodb://example/test", DB_NAME="sample", HOST="127.0.0.1", DEBUG_MODE=False, PORT=8000)
+        sys.modules["config"] = config
+
+        todo_routers = types.ModuleType("apps.todo.routers")
+        router = APIRouter()
+        @router.get("/hello")
+        async def hello():
+            return {"ok": True}
+        todo_routers.router = router
+        sys.modules["apps.todo.routers"] = todo_routers
+
+        target = Path(__file__).resolve().parents[1] / "backend" / "main.py"
+        spec = importlib.util.spec_from_file_location("farm_intro_main", target)
+        cls.mod = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(cls.mod)
+
+        class FakeClient:
+            def __init__(self, *args, **kwargs):
+                self.closed = False
+            def __getitem__(self, name):
+                return {"db_name": name}
+            def close(self):
+                self.closed = True
+
+        cls.mod.AsyncMongoClient = FakeClient
+
+    def test_startup_and_router_mount(self):
+        asyncio.run(self.mod.startup_db_client())
+        self.assertTrue(hasattr(self.mod.app, "mongodb"))
+        paths = {route.path for route in self.mod.app.routes}
+        self.assertIn("/task/hello", paths)
+        asyncio.run(self.mod.shutdown_db_client())
+        self.assertTrue(self.mod.app.mongodb_client.closed)
+
+
+if __name__ == "__main__":
+    unittest.main()