fix

tests/test_jobs.py

@@ -0,0 +1,32 @@
+import asyncio
+import unittest
+from types import SimpleNamespace
+from unittest.mock import patch
+
+from assistant_bot.jobs import post_init, post_shutdown
+
+
+class ReminderJobLifecycleTests(unittest.IsolatedAsyncioTestCase):
+    async def test_reminder_task_is_cancelled_on_shutdown(self) -> None:
+        started = asyncio.Event()
+
+        async def fake_reminder_loop(application) -> None:
+            started.set()
+            await asyncio.Event().wait()
+
+        application = SimpleNamespace(bot_data={})
+        with patch("assistant_bot.jobs.reminder_loop", fake_reminder_loop):
+            await post_init(application)
+            await started.wait()
+
+            task = application.bot_data["reminder_task"]
+            self.assertFalse(task.done())
+
+            await post_shutdown(application)
+
+        self.assertTrue(task.cancelled())
+        self.assertNotIn("reminder_task", application.bot_data)
+
+
+if __name__ == "__main__":
+    unittest.main()