Steven D'Aprano <steve+pyt...@pearwood.info> added the comment:
This is working as designed. assertCountEqual is documented here: https://docs.python.org/3/library/unittest.html#unittest.TestCase.assertCountEqual It says: "Test that sequence *first* contains the same elements as *second*..." notice that it talks about *sequences*, not mappings. The (approximate) equivalent code is also given: assertEqual(Counter(list(first)), Counter(list(second))) If the arguments are dicts, only the keys are compared. The example you give correctly passes, because it is equivalent to calling `assertCountEqual(first.keys(), second.keys())` and the keys are equal. If you want to compare the items, you can call `assertCountEqual(first.items(), second.items())`. The example comparing lists correctly fails because the list elements are different. ---------- nosy: +steven.daprano resolution: -> not a bug stage: -> resolved status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue40909> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
