Allow different test output for different Python versions

Author: cdce8p

pylint/testutils/functional/test_file.py

@@ -5,6 +5,8 @@
 from __future__ import annotations
 
 import configparser
+import os
+import sys
 from collections.abc import Callable
 from os.path import basename, exists, join
 from typing import TypedDict
@@ -99,7 +101,21 @@ def module(self) -> str:
 
     @property
     def expected_output(self) -> str:
-        return self._file_type(".txt", check_exists=False)
+        files = list(
+            filter(
+                lambda s: s.startswith(self.base) and s.endswith(".txt"),
+                os.listdir(self._directory),
+            )
+        )
+        # pylint: disable-next=bad-builtin
+        current_version = int("".join(map(str, sys.version_info[:2])))
+        output_options = [
+            int(s.rsplit(".", maxsplit=2)[1]) for s in files if s.count(".") == 2
+        ]
+        for opt in sorted(output_options, reverse=True):
+            if current_version >= opt:
+                return join(self._directory, f"{self.base}.{opt}.txt")
+        return join(self._directory, self.base + ".txt")
 
     @property
     def source(self) -> str:

tests/functional/ext/typing/unnecessary_default_type_args_py313.txt renamed to tests/functional/ext/typing/unnecessary_default_type_args.313.txt

@@ -3,10 +3,10 @@
 import typing as t
 
 a1: t.Generator[int, str, str]
-a2: t.Generator[int, None, None]
+a2: t.Generator[int, None, None]  # >=3.13:[unnecessary-default-type-args]
 a3: t.Generator[int]
 b1: t.AsyncGenerator[int, str]
-b2: t.AsyncGenerator[int, None]
+b2: t.AsyncGenerator[int, None]  # >=3.13:[unnecessary-default-type-args]
 b3: t.AsyncGenerator[int]
 
 c1: ca.Generator[int, str, str]

tests/functional/ext/typing/unnecessary_default_type_args.py

@@ -1,3 +1,5 @@
 [main]
-py-version=3.10
 load-plugins=pylint.extensions.typing
+
+[testoptions]
+min_pyver=3.10