intermittent commit

tests/test_mail_config.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_core.mail.config import normalize_split_transport_credentials
+
+
+class MailConfigTests(unittest.TestCase):
+    def test_normalize_split_transport_credentials_moves_legacy_auth_fields(self) -> None:
+        payload = normalize_split_transport_credentials(
+            {
+                "smtp": {"host": "smtp.example.test", "username": "smtp-user", "password": "smtp-secret"},
+                "imap": {"host": "imap.example.test", "enabled": True, "username": "imap-user"},
+                "credentials": {"smtp": {"username": "existing"}},
+            }
+        )
+
+        self.assertEqual(
+            {
+                "smtp": {"host": "smtp.example.test"},
+                "imap": {"host": "imap.example.test"},
+                "credentials": {
+                    "smtp": {"username": "existing", "password": "smtp-secret"},
+                    "imap": {"username": "imap-user"},
+                },
+            },
+            payload,
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()