Add lightweight unittest coverage for stability fixes

tests/test_config_check.py

@@ -0,0 +1,20 @@
+import unittest
+
+from services.config_check import validate_cfg
+
+
+class ConfigCheckTests(unittest.TestCase):
+    def test_admin_ids_without_admin_id_is_valid(self):
+        cfg = {
+            "telegram": {
+                "token": "x",
+                "admin_ids": [1, 2],
+            }
+        }
+        errors, warnings = validate_cfg(cfg)
+        self.assertEqual(errors, [])
+        self.assertIsInstance(warnings, list)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_disk_report.py

@@ -0,0 +1,21 @@
+import unittest
+import types
+import sys
+
+# Avoid runtime import of real app/aiogram in services.runner.
+sys.modules.setdefault("app", types.SimpleNamespace(RESTIC_ENV={}))
+
+from services.disk_report import _top_dirs_cmd
+
+
+class DiskReportTests(unittest.TestCase):
+    def test_top_dirs_cmd_uses_exec_args_without_shell(self):
+        cmd = _top_dirs_cmd("/tmp/path with spaces", 5)
+        self.assertEqual(cmd[:4], ["du", "-x", "-h", "-d"])
+        self.assertNotIn("bash", cmd)
+        self.assertNotIn("-lc", cmd)
+        self.assertEqual(cmd[-1], "/tmp/path with spaces")
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_queue.py

@@ -0,0 +1,59 @@
+import asyncio
+import tempfile
+import unittest
+
+from services import runtime_state
+from services import queue as queue_service
+
+
+class QueueTests(unittest.IsolatedAsyncioTestCase):
+    async def asyncSetUp(self):
+        self.tmp = tempfile.TemporaryDirectory()
+        runtime_state.configure(f"{self.tmp.name}/runtime.json")
+
+        queue_service._pending.clear()  # type: ignore[attr-defined]
+        queue_service._history.clear()  # type: ignore[attr-defined]
+        queue_service._stats = {  # type: ignore[attr-defined]
+            "processed": 0,
+            "avg_wait_sec": 0.0,
+            "avg_runtime_sec": 0.0,
+            "last_label": "",
+            "last_finished_at": 0.0,
+        }
+        queue_service._cfg = {"incidents": {"enabled": True}}  # type: ignore[attr-defined]
+
+    async def asyncTearDown(self):
+        self.tmp.cleanup()
+
+    async def test_worker_logs_failed_job_to_incidents(self):
+        logged = []
+
+        def fake_log_incident(cfg, text, category=None):
+            logged.append((text, category))
+
+        orig = queue_service.log_incident
+        queue_service.log_incident = fake_log_incident
+
+        async def boom():
+            raise RuntimeError("boom")
+
+        worker_task = asyncio.create_task(queue_service.worker())
+        try:
+            await queue_service.enqueue("broken-job", boom)
+            await asyncio.wait_for(queue_service._queue.join(), timeout=2.0)  # type: ignore[attr-defined]
+        finally:
+            worker_task.cancel()
+            with contextlib.suppress(asyncio.CancelledError):
+                await worker_task
+            queue_service.log_incident = orig
+
+        self.assertEqual(queue_service._stats.get("processed"), 1)  # type: ignore[attr-defined]
+        self.assertTrue(any("queue_job_failed label=broken-job" in t for t, _c in logged))
+        self.assertTrue(any(c == "queue" for _t, c in logged))
+
+
+import contextlib
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_runtime_state.py

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+import json
+import tempfile
+import unittest
+from pathlib import Path
+
+from services import runtime_state
+
+
+class RuntimeStateTests(unittest.TestCase):
+    def test_set_and_get_persist_between_loads(self):
+        with tempfile.TemporaryDirectory() as tmp:
+            path = Path(tmp) / "runtime.json"
+            runtime_state.configure(str(path))
+
+            runtime_state.set_state("foo", {"bar": 1})
+            self.assertEqual(runtime_state.get("foo"), {"bar": 1})
+
+            # Force a fresh in-memory state and load from disk again.
+            runtime_state._STATE = {}  # type: ignore[attr-defined]
+            runtime_state._LOADED = False  # type: ignore[attr-defined]
+            self.assertEqual(runtime_state.get("foo"), {"bar": 1})
+
+            raw = json.loads(path.read_text(encoding="utf-8"))
+            self.assertEqual(raw.get("foo"), {"bar": 1})
+
+
+if __name__ == "__main__":
+    unittest.main()