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Re: [Qemu-devel] [PATCH] qemu-error: remove dependency of stubs on monit
From: |
Halil Pasic |
Subject: |
Re: [Qemu-devel] [PATCH] qemu-error: remove dependency of stubs on monitor |
Date: |
Mon, 24 Oct 2016 15:19:19 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
On 10/24/2016 01:52 PM, Paolo Bonzini wrote:
>
> On 24/10/2016 12:34, Dr. David Alan Gilbert wrote:
>> > * Paolo Bonzini (address@hidden) wrote:
>>> >> Leave the implementation of error_printf, error_printf_unless_qmp
>>> >> and error_vprintf to libqemustub.a and monitor.c, so that we can
>>> >> remove the monitor_printf and monitor_vprintf stubs.
>>> >>
>>> >> Signed-off-by: Paolo Bonzini <address@hidden>
>>> >> ---
>>> >> This should help shutting up the vmstate unit tests.
>> >
>> > Why does this make it any easier than my patch?
>> > You're still going to need to add something stub specific to turn
>> > the output on and off.
> It makes it possible to override the functions independent of the rest
> of util/qemu-error.c. You can implement the functions in the test, simply as
>
> had_stderr_output = true;
>
> and then assert that had_stderr_output is false or true depending on the
> test.
>
> (It's also a useful starting point to fix the cur_mon race).
>
> Consider this an RFC. error_printf probably should stay in qemu-error.c
> since it can always call error_vprintf.
>
> Paolo
>
Agree with Paolo that the ability to provide a custom (test specific)
implementation is generally beneficial testing and IMHO superior
compared to the solution previously proposed by Dave. Unfortunately I do
not see how is this accomplished by the patch.
I still consider using Error objects in the code under test and
not reporting errors directly the cleanest approach.
Halil
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