Re: [PATCH 04/18] tests: print newline after QMP response in qtest logs

[Peter Xu]

On Mon, Mar 07, 2022 at 11:09:37AM +0100, Thomas Huth wrote:
> On 07/03/2022 11.06, Daniel P. Berrangé wrote:
> > On Mon, Mar 07, 2022 at 02:51:23PM +0800, Peter Xu wrote:
> > > On Wed, Mar 02, 2022 at 05:49:18PM +0000, Daniel P. Berrangé wrote:
> > > > The QMP commands have a trailing newline, but the response does not.
> > > > This makes the qtest logs hard to follow as the next QMP command
> > > > appears in the same line as the previous QMP response.
> > > > 
> > > > Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> > > > ---
> > > >   tests/qtest/libqtest.c | 3 +++
> > > >   1 file changed, 3 insertions(+)
> > > > 
> > > > diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
> > > > index a85f8a6d05..79c3edcf4b 100644
> > > > --- a/tests/qtest/libqtest.c
> > > > +++ b/tests/qtest/libqtest.c
> > > > @@ -629,6 +629,9 @@ QDict *qmp_fd_receive(int fd)
> > > >           }
> > > >           json_message_parser_feed(&qmp.parser, &c, 1);
> > > >       }
> > > > +    if (log) {
> > > > +        g_assert(write(2, "\n", 1) == 1);
> > > > +    }
> > > 
> > > Drop the g_assert() to remove side effect of G_DISABLE_ASSERT?
> > 
> > You need to check the return value of write() otherwise you'll get a
> > compile failure due to a warn_unused_result attribute annotation.
> > 
> > I don't think G_DISABLE_ASSERT is a problem as we're not defining
> > that in our code.
> 
> You could use g_assert_true() - that's not affected by G_DISABLE_ASSERT.

Ah that's better indeed. :)

We could also fix the write() above this one too - that one captures the
retcode into len but it simply dropped it, afaict.

Thanks,

-- 
Peter Xu