Fence Mail provider and mailbox recovery effects

tests/test_imap_parser.py

@@ -19,6 +19,7 @@ from govoplan_mail.backend.sending.imap import (
     _sequence_set,
     append_message_to_sent,
     list_imap_messages,
+    list_imap_uids_since,
 )
 
 
@@ -207,6 +208,39 @@ class ImapMessagePaginationTests(unittest.TestCase):
 
 
 class ImapMailboxCommandTests(unittest.TestCase):
+    def test_watcher_lists_new_uids_oldest_first(self):
+        class Client:
+            def uid(self, command, _charset, criterion):
+                self.search = (command, criterion)
+                return "OK", [b"5 9 7"]
+
+            def logout(self):
+                return "BYE", [b"logged out"]
+
+        client = Client()
+        config = ImapConfig(
+            host="imap.example.org",
+            username="user",
+            password="secret",
+        )
+        with (
+            patch("govoplan_mail.backend.sending.imap._open_imap", return_value=client),
+            patch(
+                "govoplan_mail.backend.sending.imap._select_readonly",
+                return_value=(3, "42"),
+            ),
+        ):
+            result = list_imap_uids_since(
+                imap_config=config,
+                folder="INBOX",
+                highest_uid=6,
+                expected_uidvalidity="42",
+                limit=2,
+            )
+
+        self.assertEqual(["7", "9"], result.uids)
+        self.assertEqual(("search", "ALL"), client.search)
+
     def test_select_quotes_mailbox_name_with_spaces(self):
         class Client:
             untagged_responses = {"EXISTS": [b"0"], "UIDVALIDITY": [b"1"]}