[issue27132] New assert method that checks an error message for a list of strings

Irit Katriel added the comment: > Personally I'd write multiple asserts rather than regex permutations. I would too, because then when one of them fails it's clear which of the strings is missing. -- nosy: +iritkatriel ___ Python tracker

[issue27132] New assert method that checks an error message for a list of strings

R. David Murray added the comment: The complexity of those solutions argues in favor of adding a method, I'd say. Personally I'd write multiple asserts rather than regex permutations. -- ___ Python tracker ___

[issue27132] New assert method that checks an error message for a list of strings

Serhiy Storchaka added the comment: The simple way is just write all possible variants ('ENABLE.*NOAUTH|NOAUTH.*ENABLE'). The general way is to use itertools.permutations(): pattern = '|'.join(map('.*'.join, permutations(map(re.escape, strings See also similar problem in issue19681. T

[issue27132] New assert method that checks an error message for a list of strings

R. David Murray added the comment: Serhiy, how do you spell "match if and only if all of the following substrings exist in the target string, in any position" in a regex? If we aren't going to add the method, we should add an example of how to do this to the assertMsgRegex docs. --

[issue27132] New assert method that checks an error message for a list of strings

Serhiy Storchaka added the comment: This issue looks similar to issue24922, and I think it should be closed for same reasons. -- nosy: +berker.peksag, ezio.melotti, michael.foord, rbcollins ___ Python tracker

[issue27132] New assert method that checks an error message for a list of strings

Martin Panter added the comment: Maybe a generic superset test would be good enough: def assertSuperset(self, superset, subset): # Expand for friendlier failure handling self.assertTrue(all(e in superset for e in subset)) self.assertSuperset("Error message", ("mess", "or me")) Or is th

[issue27132] New assert method that checks an error message for a list of strings

Maciej Szulik added the comment: You could, but then you end up writing nasty regex-es to do that. The idea here is to create a native function that will verify a number of words in whatever order. -- ___ Python tracker

[issue27132] New assert method that checks an error message for a list of strings

Serhiy Storchaka added the comment: You can use assertRaisesRegex() for this. -- nosy: +serhiy.storchaka ___ Python tracker ___ ___ Py

[issue27132] New assert method that checks an error message for a list of strings

New submission from Maciej Szulik: To quote David from http://bugs.python.org/review/25591/diff/16398/Lib/test/test_imaplib.py: "I've been thinking I'd like a new assert method that checks an error message for a list of strings in any order, but I haven't opened an issue for it :)" --