s

d2ypp2/tests/test_runtime_bootstrap.py

@@ -1,9 +1,11 @@
 from __future__ import annotations
 
+import tempfile
 import unittest
+from pathlib import Path
 from unittest.mock import patch
 
-from src.runtime_bootstrap import compute_nofile_target, load_msg_push_exports
+from src.runtime_bootstrap import compute_nofile_target, ensure_runtime_layout, load_msg_push_exports
 
 
 class RuntimeBootstrapTests(unittest.TestCase):
@@ -18,6 +20,20 @@ class RuntimeBootstrapTests(unittest.TestCase):
         result = funcs[0]("demo")
         self.assertTrue(result["disabled"])
 
+    def test_ensure_runtime_layout_creates_expected_directories(self) -> None:
+        with tempfile.TemporaryDirectory() as tmp:
+            issues = ensure_runtime_layout(Path(tmp))
+            self.assertEqual(issues, [])
+            self.assertTrue((Path(tmp) / "backup_config").is_dir())
+            self.assertTrue((Path(tmp) / ".process_runner").is_dir())
+
+    def test_ensure_runtime_layout_reports_unwritable_directory(self) -> None:
+        with tempfile.TemporaryDirectory() as tmp:
+            root = Path(tmp)
+            with patch("src.runtime_bootstrap.os.access", side_effect=lambda p, mode: str(p) != str(root / "logs")):
+                issues = ensure_runtime_layout(root)
+            self.assertTrue(any("logs" in issue for issue in issues))
+
 
 if __name__ == "__main__":
     unittest.main()