Re: call for more ert tests

[Andreas Röhler]

Am 24.06.2013 20:21, schrieb Eli Zaretskii:
> > From: Glenn Morris <address@hidden>
> > Date: Mon, 24 Jun 2013 13:31:50 -0400
> >
> > One thing that could help reduce this is more unit tests.
> > If you haven't used it, ERT makes it pretty easy to write tests.
> > Of course, many aspects of Emacs's behaviour are not easy to test (GUI
> > stuff, etc.), but many are. See test/automated/ for examples. [2]
> >
> > For example, package.el seems like something that should have a test
> > suite.
> >
> > So if you fix a bug, please consider adding a unit test to make sure it
> > does not come back. Or if you rewrite a lisp package, consider adding
> > tests at the same time to check that obvious functionality still works.
> >
> > I know writing tests is maybe not as interesting as writing shiny new
> > features, but I think it will save work in the long run.
>
> IMO, unless we require every new feature to come with a test and a
> report that no regressions were found by running the existing tests,
> we will never get any better testability than what we have now.

Maybe a new feature must not come with a test the very day, but expect it next 
- before any other new feature.

Also some core-tests should be obligatory for all code checked in.
Just no check-ins before these tests are passed.