Release v0.1.2

tests/test_imap_parser.py

@@ -0,0 +1,68 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_mail.backend.sending.imap import (
+    _detect_sent_folder,
+    _extract_mailbox_name,
+    _paged_descending_sequences,
+    _parse_fetch_sequence,
+    _sequence_set,
+)
+
+
+class ImapFolderParserTests(unittest.TestCase):
+    def test_extracts_quoted_mailbox_after_quoted_delimiter(self):
+        self.assertEqual(
+            _extract_mailbox_name(b'(\\HasNoChildren \\Sent) "/" "Sent Items"'),
+            ("Sent Items", {"\\hasnochildren", "\\sent"}),
+        )
+
+    def test_extracts_atom_mailbox(self):
+        self.assertEqual(
+            _extract_mailbox_name('(\\HasNoChildren) "/" INBOX'),
+            ("INBOX", {"\\hasnochildren"}),
+        )
+
+    def test_extracts_nil_delimiter_mailbox(self):
+        self.assertEqual(
+            _extract_mailbox_name('(\\HasNoChildren) NIL "INBOX.Sent"'),
+            ("INBOX.Sent", {"\\hasnochildren"}),
+        )
+
+    def test_detects_sent_by_flag_before_name(self):
+        self.assertEqual(
+            _detect_sent_folder([("Archive", {"\\sent"}), ("Sent", set())]),
+            "Archive",
+        )
+
+    def test_detects_common_sent_name(self):
+        self.assertEqual(
+            _detect_sent_folder([("INBOX", set()), ("Gesendet", set())]),
+            "Gesendet",
+        )
+
+
+class ImapMessagePaginationTests(unittest.TestCase):
+    def test_paginates_sequence_numbers_newest_first(self):
+        self.assertEqual(
+            _paged_descending_sequences(120, offset=0, limit=5),
+            ["120", "119", "118", "117", "116"],
+        )
+        self.assertEqual(_paged_descending_sequences(120, offset=118, limit=5), ["2", "1"])
+        self.assertEqual(_paged_descending_sequences(120, offset=120, limit=5), [])
+
+    def test_compacts_contiguous_sequence_sets(self):
+        self.assertEqual(_sequence_set(["5", "4", "3"]), "3:5")
+        self.assertEqual(_sequence_set(["9", "7", "5"]), "5,7,9")
+
+    def test_extracts_fetch_sequence_number(self):
+        self.assertEqual(
+            _parse_fetch_sequence("42 (UID 123 FLAGS (\\Seen) RFC822.SIZE 100)"),
+            "42",
+        )
+        self.assertIsNone(_parse_fetch_sequence("UID 123 FLAGS ()"))
+
+
+if __name__ == "__main__":
+    unittest.main()