GNU bug report logs - #31788
[PATCH] tests: Honor the return value of 'start-service'.

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Message #17 received at 31788 <at> debbugs.gnu.org (full text, mbox):

From: Clément Lassieur <clement <at> lassieur.org>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 31788 <at> debbugs.gnu.org
Subject: Re: [bug#31788] [PATCH] tests: Honor the return value of
 'start-service'.
Date: Tue, 12 Jun 2018 22:50:57 +0200

Ludovic Courtès <ludo <at> gnu.org> writes:

> I’m not entirely sure about things like this:
>
> -          (test-eq "service running"
> -            'running!
> +          (test-assert "service running"
>              (marionette-eval
>               '(begin
>                  (use-modules (gnu services herd))
> -                (start-service 'mcron)
> -                'running!)
> +                (start-service 'mcron))
>               marionette))
>
> ‘start-service’ in this case returns a number (the PID), and I think
> ‘test-assert’ reports a failure when the value is not exactly #t.  Isn’t
> it the case?

srfi-64 says: "The test passes if the result is true", so I believe
test-assert reports a failure only when the value is #f (and maybe on
exceptions), because anything else is true in Scheme.

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