Port mtproto from grammers

generator/tests/common_test.py

@@ -0,0 +1,53 @@
+from typing import List
+
+from pytest import mark
+from telethon_generator._impl.codegen.serde.common import (
+    split_words,
+    to_class_name,
+    to_method_name,
+)
+
+
+@mark.parametrize(
+    ("name", "expected"),
+    [
+        ("resPQ", ["res", "PQ"]),
+        ("p_q_inner_data", ["p", "q", "inner", "data"]),
+        ("client_DH_inner_data", ["client", "DH", "inner", "data"]),
+        ("ipPort", ["ip", "Port"]),
+        ("JSONObjectValue", ["JSON", "Object", "Value"]),
+        ("fileMp4", ["file", "Mp4"]),
+    ],
+)
+def test_split_name_words(name: str, expected: List[str]) -> None:
+    assert split_words(name) == expected
+
+
+@mark.parametrize(
+    ("name", "expected"),
+    [
+        ("resPQ", "ResPq"),
+        ("p_q_inner_data", "PQInnerData"),
+        ("client_DH_inner_data", "ClientDhInnerData"),
+        ("ipPort", "IpPort"),
+        ("JSONObjectValue", "JsonObjectValue"),
+        ("fileMp4", "FileMp4"),
+    ],
+)
+def test_to_class_name(name: str, expected: str) -> None:
+    assert to_class_name(name) == expected
+
+
+@mark.parametrize(
+    ("name", "expected"),
+    [
+        ("resPQ", "res_pq"),
+        ("p_q_inner_data", "p_q_inner_data"),
+        ("client_DH_inner_data", "client_dh_inner_data"),
+        ("ipPort", "ip_port"),
+        ("JSONObjectValue", "json_object_value"),
+        ("fileMp4", "file_mp4"),
+    ],
+)
+def test_to_method_name(name: str, expected: str) -> None:
+    assert to_method_name(name) == expected