linux-kernel - [PATCH net 12/13] selftests: mptcp: diag: unique 'in use' subtest names

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Message-Id: <20240215-upstream-net-20240215-misc-fixes-v1-12-8c01a55d8f6a@kernel.org>
Date: Thu, 15 Feb 2024 19:25:39 +0100
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 Geliang Tang <geliang@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Davide Caratti <dcaratti@...hat.com>, 
 Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, stable@...r.kernel.org
Subject: [PATCH net 12/13] selftests: mptcp: diag: unique 'in use' subtest
 names

It is important to have a unique (sub)test name in TAP, because some CI
environments drop tests with duplicated name.

Some 'in use' subtests from the diag selftest had the same names, e.g.:

    chk 0 msk in use after flush

Now the previous value is taken, to have different names, e.g.:

    chk 2->0 msk in use after flush

While at it, avoid repeating the full message, declare it once in the
helper.

Fixes: ce9902573652 ("selftests: mptcp: diag: format subtests results in TAP")
Cc: stable@...r.kernel.org
Reviewed-by: Geliang Tang <geliang@...nel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 tools/testing/selftests/net/mptcp/diag.sh | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh
index e0615c6ffb8d..266656a16229 100755
--- a/tools/testing/selftests/net/mptcp/diag.sh
+++ b/tools/testing/selftests/net/mptcp/diag.sh
@@ -166,9 +166,13 @@ chk_msk_listen()
 chk_msk_inuse()
 {
 	local expected=$1
-	local msg="$2"
+	local msg="....chk ${2:-${expected}} msk in use"
 	local listen_nr

+	if [ "${expected}" -eq 0 ]; then
+		msg+=" after flush"
+	fi
+
 	listen_nr=$(ss -N "${ns}" -Ml | grep -c LISTEN)
 	expected=$((expected + listen_nr))

@@ -179,7 +183,7 @@ chk_msk_inuse()
 		sleep 0.1
 	done

-	__chk_nr get_msk_inuse $expected "$msg" 0
+	__chk_nr get_msk_inuse $expected "${msg}" 0
 }

 # $1: cestab nr
@@ -227,11 +231,11 @@ wait_connected $ns 10000
 chk_msk_nr 2 "after MPC handshake "
 chk_msk_remote_key_nr 2 "....chk remote_key"
 chk_msk_fallback_nr 0 "....chk no fallback"
-chk_msk_inuse 2 "....chk 2 msk in use"
+chk_msk_inuse 2
 chk_msk_cestab 2
 flush_pids

-chk_msk_inuse 0 "....chk 0 msk in use after flush"
+chk_msk_inuse 0 "2->0"
 chk_msk_cestab 0

 echo "a" | \
@@ -247,11 +251,11 @@ echo "b" | \
 				127.0.0.1 >/dev/null &
 wait_connected $ns 10001
 chk_msk_fallback_nr 1 "check fallback"
-chk_msk_inuse 1 "....chk 1 msk in use"
+chk_msk_inuse 1
 chk_msk_cestab 1
 flush_pids

-chk_msk_inuse 0 "....chk 0 msk in use after flush"
+chk_msk_inuse 0 "1->0"
 chk_msk_cestab 0

 NR_CLIENTS=100
@@ -273,11 +277,11 @@ for I in `seq 1 $NR_CLIENTS`; do
 done

 wait_msk_nr $((NR_CLIENTS*2)) "many msk socket present"
-chk_msk_inuse $((NR_CLIENTS*2)) "....chk many msk in use"
+chk_msk_inuse $((NR_CLIENTS*2)) "many"
 chk_msk_cestab $((NR_CLIENTS*2))
 flush_pids

-chk_msk_inuse 0 "....chk 0 msk in use after flush"
+chk_msk_inuse 0 "many->0"
 chk_msk_cestab 0

 mptcp_lib_result_print_all_tap

-- 
2.43.0