From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 27 May 2025 09:28:30 +0000 (+0200)
Subject: [3.14] gh-62824: Adjust test_alias_modules_exist test to use imports instead of file... 
X-Git-Tag: v3.14.0b3~161
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=266b541cc6f231d9e04fa2084d5c67acd9c7b572;p=thirdparty%2FPython%2Fcpython.git

[3.14] gh-62824: Adjust test_alias_modules_exist test to use imports instead of file checks (GH-134777) (GH-134781)

gh-62824: Adjust test_alias_modules_exist test to use imports instead of file checks (GH-134777)
(cherry picked from commit 8704d6b39139d2b1c3dd871590188fb7deb8aaad)

Co-authored-by: Miro Hrončok <miro@hroncok.cz>
---

diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index 8c9a09724922..d8666f7290e7 100644
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -1,6 +1,7 @@
 import codecs
 import contextlib
 import copy
+import importlib
 import io
 import pickle
 import os
@@ -3111,9 +3112,9 @@ class TransformCodecTest(unittest.TestCase):
     def test_alias_modules_exist(self):
         encodings_dir = os.path.dirname(encodings.__file__)
         for value in encodings.aliases.aliases.values():
-            codec_file = os.path.join(encodings_dir, value + ".py")
-            self.assertTrue(os.path.isfile(codec_file),
-                            "Codec file not found: " + codec_file)
+            codec_mod = f"encodings.{value}"
+            self.assertIsNotNone(importlib.util.find_spec(codec_mod),
+                                 f"Codec module not found: {codec_mod}")
 
     def test_quopri_stateless(self):
         # Should encode with quotetabs=True