Re: [PATCH v5 3/4] commit test: test_set_editor in each test

[Junio C Hamano <gitster@pobox.com>]

Caleb Thompson <caleb@calebthompson.io> writes:

> On Fri, Jun 13, 2014 at 07:41:29PM -0400, Jeff King wrote:
>> On Fri, Jun 13, 2014 at 10:42:26AM -0700, Junio C Hamano wrote:
>>
>> > Jeff King <peff@peff.net> writes:
>> >
>> > > [1] It might make sense for test_set_editor, when run from within a
>> > >     test, to behave more like test_config, and do:
>> > >
>> > >       test_when_finished '
>> > >         sane_unset FAKE_EDITOR &&
>> > >         sane_unset EDITOR
>> > >       '
>> > >
>> > >     I don't know if there would be fallouts with other test scripts,
>> > >     though.
>> >
>> > The default environment for tests is to set EDITOR=: to avoid
>> > accidentally triggering interactive cruft and interfering with
>> > automated tests, I thought.
>>
>> Ah, yeah, that would make more sense.
>>
>> > If the above sane-unset is changed to EDITOR=: then I think that is
>> > probably sensible.
>>
>> I think the trick is that other scripts may be relying on the global
>> side-effect, and would need to be fixed up (and it is not always obvious
>> which spots will need it; they might fail the tests, or they might start
>> silently passing for the wrong reason).
>
> For this reason, and that the scope of this change has already ballooned, I'd
> rather not make this change in this patch if that's alright.
>
> Caleb Thompson

My comment was not about your series, but "if we were to update
test_set_editor, unsetting EDITOR is not the right thing to do".

I do not think it is reasonable to include such a change to
test_set_editor in this series.