Re: [PATCH net-next v3 07/11] selftests/vsock: add check_result() for pass/fail counting

[Bobby Eshleman <bobbyeshleman@gmail.com>]

On Tue, Nov 11, 2025 at 11:52:25AM +0000, Simon Horman wrote:
> On Thu, Nov 06, 2025 at 04:49:51PM -0800, Bobby Eshleman wrote:
> > From: Bobby Eshleman <bobbyeshleman@meta.com>
> > 
> > Add check_result() function to reuse logic for incrementing the
> > pass/fail counters. This function will get used by different callers as
> > we add different types of tests in future patches (namely, namespace and
> > non-namespace tests will be called at different places, and re-use this
> > function).
> > 
> > Reviewed-by: Simon Horman <horms@kernel.org>
> > Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
> > ---
> > Changes in v3:
> > - increment cnt_total directly (no intermediary var) (Stefano)
> > - pass arg to check_result() from caller, dont incidentally rely on
> >   global (Stefano)
> > - use new create_pidfile() introduce in v3 of earlier patch
> > - continue with more disciplined variable quoting style
> > ---
> >  tools/testing/selftests/vsock/vmtest.sh | 95 +++++++++++++++++++++++++--------
> >  1 file changed, 72 insertions(+), 23 deletions(-)
> > 
> > diff --git a/tools/testing/selftests/vsock/vmtest.sh b/tools/testing/selftests/vsock/vmtest.sh
> > index 557f9a99a306..05cf370a3db4 100755
> > --- a/tools/testing/selftests/vsock/vmtest.sh
> > +++ b/tools/testing/selftests/vsock/vmtest.sh
> > @@ -46,6 +46,8 @@ readonly TEST_DESCS=(
> >  	"Run vsock_test using the loopback transport in the VM."
> >  )
> >  
> > +readonly USE_SHARED_VM=(vm_server_host_client vm_client_host_server vm_loopback)
> > +
> >  VERBOSE=0
> >  
> >  usage() {
> > @@ -79,6 +81,28 @@ die() {
> >  	exit "${KSFT_FAIL}"
> >  }
> >  
> > +check_result() {
> > +	local rc arg
> > +
> > +	rc=$1
> > +	arg=$2
> > +
> > +	cnt_total=$(( cnt_total + 1 ))
> > +
> > +	if [[ ${rc} -eq $KSFT_PASS ]]; then
> > +		cnt_pass=$(( cnt_pass + 1 ))
> > +		echo "ok ${num} ${arg}"
> > +	elif [[ ${rc} -eq $KSFT_SKIP ]]; then
> > +		cnt_skip=$(( cnt_skip + 1 ))
> > +		echo "ok ${num} ${arg} # SKIP"
> > +	elif [[ ${rc} -eq $KSFT_FAIL ]]; then
> > +		cnt_fail=$(( cnt_fail + 1 ))
> > +		echo "not ok ${num} ${arg} # exit=$rc"
> 
> Hi Bobby,
> 
> Should num be cnt_total above?
> 
> > +	fi
> > +
> > +	cnt_total=$(( cnt_total + 1 ))
> 
> It seems that cnt_total is being incremented twice.
> Once seems like it ought to be enough.
> 

Indeed. FWIW, this was fixed in the newest (v4). I messed up a rebase,
and my eye didn't catch it before sending out.

> > +}
> > +
> >  vm_ssh() {
> >  	ssh -q -o UserKnownHostsFile=/dev/null -p ${SSH_HOST_PORT} localhost "$@"
> >  	return $?
> 
> I'll confess that I didn't notice these myself, but
> Claude Code with https://github.com/masoncl/review-prompts/ did.

Thanks for the note, I'll give it a try. I'm trying to build out my
pre-send workflow atm, and this looks pretty useful.

Best,
Bobby