Thanks a lot! Good to know. Ciao -- Chris
On 17.11.17 16:44, Brett Cannon wrote: > Tests are not isolated from the warnings system, so things will leak > out. Your best option is to use the context manager in the warnings > module to temporarily make all warnings raise exceptions and test for > the exception (I'm at the airport, hence why I don't know the name of > the context manager; the warnings module docs actually have a sample on > how best to write tests the involve warnings). > > > On Fri, Nov 17, 2017, 01:34 Christian Tismer, <tis...@stackless.com > <mailto:tis...@stackless.com>> wrote: > > Hi guys, > > when writing tests, I suddenly discovered that unittest > is not isolated to warnings. > > Example: > One of my tests emits warnings when a certain condition is > met. Instead of reporting the error immediately, it uses > warnings, and at the end of the test, an error is produced > if there were warnings. > > if hasattr(__main__, "__warningregistry__"): > raise RuntimeError("There are errors, see above.") > > By chance, I discovered that an error was suddenly triggered without > a warning. That must mean the warning existed already from > another test as a left-over. > > My question: > Is that known, and is that intended? > To what extent are the test cases isolated from each other? > > I do admit that my usage of warnings is somewhat special. > But it is very convenient to report many errors on remote servers. > > Cheers -- Chris > > -- > Christian Tismer :^) tis...@stackless.com > <mailto:tis...@stackless.com> > Software Consulting : http://www.stackless.com/ > Karl-Liebknecht-Str. 121 : https://github.com/PySide > 14482 Potsdam : GPG key -> 0xFB7BEE0E > phone +49 173 24 18 776 fax +49 (30) 700143-0023 > > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org <mailto:Python-Dev@python.org> > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/brett%40python.org > -- Christian Tismer :^) tis...@stackless.com Software Consulting : http://www.stackless.com/ Karl-Liebknecht-Str. 121 : https://github.com/PySide 14482 Potsdam : GPG key -> 0xFB7BEE0E phone +49 173 24 18 776 fax +49 (30) 700143-0023
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