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

["Clément Lassieur" <clement@lassieur.org>]

Ludovic Courtès <ludo@gnu.org> writes:

> Clément Lassieur <clement@lassieur.org> skribis:
>
>> Ludovic Courtès <ludo@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.
>
> Yeah I know; I had a vague recollection of SRFI-64 behaving funny but
> that’s no longer the case.  So I guess you can go ahead.
>
> Thank you!

Pushed, thank you for reviewing!