From: Austin Clements <amdragon@MIT.EDU>
To: Tomi Ollila <tomi.ollila@iki.fi>
Cc: notmuch@notmuchmail.org
Subject: Re: [PATCH 2/2] test: emacs: run list-processes after accept-process-output in emacs 23.1
Date: Fri, 17 Aug 2012 14:55:00 -0400 [thread overview]
Message-ID: <20120817185500.GP11179@mit.edu> (raw)
In-Reply-To: <m27gsz2se2.fsf@guru.guru-group.fi>
Quoth Tomi Ollila on Aug 16 at 10:44 am:
> On Mon, Aug 13 2012, Austin Clements <amdragon@MIT.EDU> wrote:
>
> > Quoth Tomi Ollila on Aug 05 at 2:13 pm:
> >> When running emacs tests using emacs 23.1.1 the tests block (until timeout)
> >> when emacs function (notmuch-test-wait) is called.
> >>
> >> There is an emacs bug #2930 titled:
> >> 23.0.92; `accept-process-output' and `sleep-for' do not run sentinel
> >>
> >> It seems this is present in emacs 23.1.
> >>
> >> Calling list-processes after accept-process-output seems work around
> >> this problem; in case Emacs version is 23.1 a defadvice is activated
> >> to do just that.
> >
> > Should this workaround perhaps go in notmuch-test-wait directly,
> > instead of being implemented as advice?
>
> This way the fact that this is workaround for bug that exists only in
> 23.1(*) is emphasized; The notmuch-test-wait can exist in a (simpler)
> format where it doesn't need to know about this bug.
Okay.
> (*) This bug probably exists in emacs 22 but the MUA has not worked
> on emacs 22 at least for a year now.
>
> > If we do want to keep it as advice, should it go in notmuch-lib.el
> > along with the few other compatibility functions?
>
> In tests we have fixed environment where we can write workarounds
> as "global" advices. If we did this in notmuch-lib.el we'd be changing
> users' environment, possibly causing surprises...
Oh, right, of course. I'd forgotten that this was in test-lib.el and
not in the general notmuch Emacs code.
> ... but neither sleep-for or accept-process-output are used in
> any of the notmuch elisp code so such "fixes" are not needed now...
>
> ... and this would ever be a problem, we might already support only
> emacs 24 or newer >;) ...
>
> Tomi
Series LGTM.
> >> ---
> >>
> >> Thanks to Austin for the comments and IRC discussions on the matter.
> >>
> >> test/test-lib.el | 8 ++++++++
> >> 1 files changed, 8 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/test/test-lib.el b/test/test-lib.el
> >> index 52d9936..4330352 100644
> >> --- a/test/test-lib.el
> >> +++ b/test/test-lib.el
> >> @@ -35,6 +35,16 @@
> >> "Disable yes-or-no-p before executing kill-emacs"
> >> (defun yes-or-no-p (prompt) t)))
> >>
> >> +;; Emacs bug #2930:
> >> +;; 23.0.92; `accept-process-output' and `sleep-for' do not run sentinels
> >> +;; seems to be present in Emacs 23.1.
> >> +;; Running `list-processes' after `accept-process-output' seems to work
> >> +;; around this problem.
> >> +(if (and (= emacs-major-version 23) (= emacs-minor-version 1))
> >> + (defadvice accept-process-output (after run-list-processes activate)
> >> + "run list-processes after executing accept-process-output"
> >> + (list-processes)))
> >> +
> >> (defun notmuch-test-wait ()
> >> "Wait for process completion."
> >> (while (get-buffer-process (current-buffer))
next prev parent reply other threads:[~2012-08-17 18:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-05 11:13 [PATCH 1/2] test: emacs: call accept-process-output in notmuch-test-wait Tomi Ollila
2012-08-05 11:13 ` [PATCH 2/2] test: emacs: run list-processes after accept-process-output in emacs 23.1 Tomi Ollila
2012-08-13 15:16 ` Austin Clements
2012-08-16 7:44 ` Tomi Ollila
2012-08-17 18:55 ` Austin Clements [this message]
2012-08-05 21:41 ` [PATCH 1/2] test: emacs: call accept-process-output in notmuch-test-wait Jameson Graef Rollins
2012-08-29 22:11 ` David Bremner
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