`test_enum` fails when run with `-OO`

[sobolevn]

Bug report

» ./python.exe -OO -m test test_enum
Using random seed: 918426150
0:00:00 load avg: 2.87 Run 1 test sequentially
0:00:00 load avg: 2.87 [1/1] test_enum
test test_enum failed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython2/Lib/test/test_enum.py", line 4931, in test_pydoc
    self.assertEqual(result, expected_text, result)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'Help[234 chars]n |  CYAN = <Color.CYAN: 1>\n |\n |  MAGENTA =[658 chars]rs__' != 'Help[234 chars]n |  YELLOW = <Color.YELLOW: 3>\n |\n |  MAGEN[361 chars]rs__'
  Help on class Color in module test.test_enum:
  
  class Color(enum.Enum)
   |  Color(*values)
   |
   |  Method resolution order:
   |      Color
   |      enum.Enum
   |      builtins.object
   |
   |  Data and other attributes defined here:
   |
-  |  CYAN = <Color.CYAN: 1>
+  |  YELLOW = <Color.YELLOW: 3>
   |
   |  MAGENTA = <Color.MAGENTA: 2>
   |
-  |  YELLOW = <Color.YELLOW: 3>
+  |  CYAN = <Color.CYAN: 1>
   |
   |  ----------------------------------------------------------------------
   |  Data descriptors inherited from enum.Enum:
   |
   |  name
   |
   |  value
   |
   |  ----------------------------------------------------------------------
-  |  Methods inherited from enum.EnumType:
?     ^  - ^
+  |  Data descriptors inherited from enum.EnumType:
?     ^^^^^^ +++++  ^
-  |
-  |  __contains__(value) from enum.EnumType
-  |
-  |  __getitem__(name) from enum.EnumType
-  |
-  |  __iter__() from enum.EnumType
-  |
-  |  __len__() from enum.EnumType
-  |
-  |  ----------------------------------------------------------------------
-  |  Readonly properties inherited from enum.EnumType:
   |
   |  __members__
 : Help on class Color in module test.test_enum:

class Color(enum.Enum)
 |  Color(*values)
 |
 |  Method resolution order:
 |      Color
 |      enum.Enum
 |      builtins.object
 |
 |  Data and other attributes defined here:
 |
 |  CYAN = <Color.CYAN: 1>
 |
 |  MAGENTA = <Color.MAGENTA: 2>
 |
 |  YELLOW = <Color.YELLOW: 3>
 |
 |  ----------------------------------------------------------------------
 |  Data descriptors inherited from enum.Enum:
 |
 |  name
 |
 |  value
 |
 |  ----------------------------------------------------------------------
 |  Methods inherited from enum.EnumType:
 |
 |  __contains__(value) from enum.EnumType
 |
 |  __getitem__(name) from enum.EnumType
 |
 |  __iter__() from enum.EnumType
 |
 |  __len__() from enum.EnumType
 |
 |  ----------------------------------------------------------------------
 |  Readonly properties inherited from enum.EnumType:
 |
 |  __members__

test_enum failed (1 failure)

== Tests result: FAILURE ==

1 test failed:
    test_enum

Total duration: 831 ms
Total tests: run=1,068 failures=1 skipped=4
Total test files: run=1/1 failed=1
Result: FAILURE

I have a PR ready.

Linked PRs

• gh-115252: Fix test_enum with -OO mode #115253
• [3.12] gh-115252: Fix test_enum with -OO mode (GH-115253) #115260
• [3.11] gh-115252: Fix test_enum with -OO mode (GH-115253) #115279
• gh-115252: Fix test_enum with -OO mode again #115334
• [3.12] gh-115252: Fix test_enum with -OO mode again (GH-115334) #115396
• [3.11] gh-115252: Fix test_enum with -OO mode again (GH-115334) #115397