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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`enum` doctests are silently skipped when run with libregrtest","articleBody":"# Bug report\n\n`test_enum` has these lines: https://github.com/python/cpython/blob/663cf513b0e973ab7aa4a8609d6616ad2c283f22/Lib/test/test_enum.py#L27-L39\n\nThey are problematic, because they are not executed when run as `./python.exe -m test test_enum`.\nOnly when run with `./python.exe Lib/test/test_enum.py`\n\nDifference (on `main` branch):\n\n```\n» ./python.exe -m test test_enum\nUsing random seed: 1578294160\n0:00:00 load avg: 1.98 Run 1 test sequentially\n0:00:00 load avg: 1.98 [1/1] test_enum\n\n== Tests result: SUCCESS ==\n\n1 test OK.\n\nTotal duration: 856 ms\nTotal tests: run=1,060 skipped=4\nTotal test files: run=1/1\nResult: SUCCESS\n```\n\nand:\n\n```\n» ./python.exe Lib/test/test_enum.py  \n...............................................................................................................................................................................................................................s.s..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................s..........................................s........................................................................................................................................FF\n======================================================================\nFAIL: /Users/sobolev/Desktop/cpython/Lib/test/../../Doc/library/enum.rst\nDoctest: enum.rst\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"/Users/sobolev/Desktop/cpython/Lib/doctest.py\", line 2263, in runTest\n    raise self.failureException(self.format_failure(new.getvalue()))\nAssertionError: Failed doctest test for enum.rst\n  File \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/library/enum.rst\", line 0\n\n----------------------------------------------------------------------\nFile \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/library/enum.rst\", line 301, in enum.rst\nFailed example:\n    dir(Weekday.SATURDAY)\nExpected:\n    ['__class__', '__doc__', '__eq__', '__hash__', '__module__', 'name', 'today', 'value']\nGot:\n    ['FRIDAY', 'MONDAY', 'SATURDAY', 'SUNDAY', 'THURSDAY', 'TUESDAY', 'WEDNESDAY', '__class__', '__doc__', '__eq__', '__hash__', '__module__', 'name', 'today', 'value']\n\n\n======================================================================\nFAIL: /Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\nDoctest: enum.rst\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"/Users/sobolev/Desktop/cpython/Lib/doctest.py\", line 2263, in runTest\n    raise self.failureException(self.format_failure(new.getvalue()))\nAssertionError: Failed doctest test for enum.rst\n  File \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\", line 0\n\n----------------------------------------------------------------------\nFile \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\", line 486, in enum.rst\nFailed example:\n    @dataclass\n    class CreatureDataMixin:\n        size: str\n        legs: int\n        tail: bool = field(repr=False, default=True)\nException raised:\n    Traceback (most recent call last):\n      File \"/Users/sobolev/Desktop/cpython/Lib/doctest.py\", line 1374, in __run\n        exec(compile(example.source, filename, \"single\",\n      File \"\u003cdoctest enum.rst[64]\u003e\", line 1, in \u003cmodule\u003e\n        @dataclass\n         ^^^^^^^^^\n    NameError: name 'dataclass' is not defined\n----------------------------------------------------------------------\nFile \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\", line 492, in enum.rst\nFailed example:\n    class Creature(CreatureDataMixin, Enum):\n        BEETLE = 'small', 6\n        DOG = 'medium', 4\nException raised:\n    Traceback (most recent call last):\n      File \"/Users/sobolev/Desktop/cpython/Lib/doctest.py\", line 1374, in __run\n        exec(compile(example.source, filename, \"single\",\n      File \"\u003cdoctest enum.rst[65]\u003e\", line 1, in \u003cmodule\u003e\n        class Creature(CreatureDataMixin, Enum):\n                       ^^^^^^^^^^^^^^^^^\n    NameError: name 'CreatureDataMixin' is not defined\n----------------------------------------------------------------------\nFile \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\", line 496, in enum.rst\nFailed example:\n    Creature.DOG\nException raised:\n    Traceback (most recent call last):\n      File \"/Users/sobolev/Desktop/cpython/Lib/doctest.py\", line 1374, in __run\n        exec(compile(example.source, filename, \"single\",\n      File \"\u003cdoctest enum.rst[66]\u003e\", line 1, in \u003cmodule\u003e\n        Creature.DOG\n        ^^^^^^^^\n    NameError: name 'Creature' is not defined\n----------------------------------------------------------------------\nFile \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\", line 530, in enum.rst\nFailed example:\n    class MyEnum(Enum):\n        __reduce_ex__ = enum.pickle_by_enum_name\nException raised:\n    Traceback (most recent call last):\n      File \"/Users/sobolev/Desktop/cpython/Lib/doctest.py\", line 1374, in __run\n        exec(compile(example.source, filename, \"single\",\n      File \"\u003cdoctest enum.rst[70]\u003e\", line 1, in \u003cmodule\u003e\n        class MyEnum(Enum):\n      File \"\u003cdoctest enum.rst[70]\u003e\", line 2, in MyEnum\n        __reduce_ex__ = enum.pickle_by_enum_name\n                        ^^^^\n    NameError: name 'enum' is not defined. Did you mean: 'Enum'? Or did you forget to import 'enum'?\n----------------------------------------------------------------------\nFile \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\", line 773, in enum.rst\nFailed example:\n    Perm.X | 8\nExpected:\n    9\nGot:\n    \u003cPerm.X|8: 9\u003e\n----------------------------------------------------------------------\nFile \"/Users/sobolev/Desktop/cpython/Lib/test/../../Doc/howto/enum.rst\", line 1431, in enum.rst\nFailed example:\n    class Color(DuplicateFreeEnum):\n        RED = 1\n        GREEN = 2\n        BLUE = 3\n        GRENE = 2\nExpected:\n    Traceback (most recent call last):\n    ...\n    ValueError: aliases not allowed in DuplicateFreeEnum:  'GRENE' --\u003e 'GREEN'\nGot:\n    Traceback (most recent call last):\n      File \"/Users/sobolev/Desktop/cpython/Lib/doctest.py\", line 1374, in __run\n        exec(compile(example.source, filename, \"single\",\n      File \"\u003cdoctest enum.rst[162]\u003e\", line 1, in \u003cmodule\u003e\n        class Color(DuplicateFreeEnum):\n      File \"/Users/sobolev/Desktop/cpython/Lib/enum.py\", line 570, in __new__\n        enum_class = super().__new__(metacls, cls, bases, classdict, **kwds)\n                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n      File \"/Users/sobolev/Desktop/cpython/Lib/enum.py\", line 278, in __set_name__\n        enum_member.__init__(*args)\n      File \"\u003cdoctest enum.rst[161]\u003e\", line 7, in __init__\n        raise ValueError(\n    ValueError: aliases not allowed in DuplicateFreeEnum:  'GRENE' --\u003e 'GREEN'\n    Error calling __set_name__ on '_proto_member' instance 'GRENE' in 'Color'\n\n\n----------------------------------------------------------------------\nRan 1062 tests in 0.876s\n\nFAILED (failures=2, skipped=4)\n```\n\nWhy? Because of https://github.com/python/cpython/blob/663cf513b0e973ab7aa4a8609d6616ad2c283f22/Lib/test/test_enum.py#L29 checks. This file does not exist when executed via `-m test`, here what `os.getcwd()` shows for `-m test`: `.../cpython/build/test_python_worker_45291æ`\n\nBut, with `./python.exe Lib/test/test_enum.py` it is: `/Users/sobolev/Desktop/cpython`\n\nI've made a PR https://github.com/python/cpython/pull/111180 with fixes that will satisfy doctest, but I am not sure they are correct.\n\nCC @ethanfurman \n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-111180\n* gh-111518\n* gh-111617\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/sobolevn","@type":"Person","name":"sobolevn"},"datePublished":"2023-10-22T14:22:17.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/111181/cpython/issues/111181"}