netdev - [PATCH net-next 05/13] selftests: mptcp: userspace

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Message-Id: <20230717-upstream-net-next-20230712-selftests-mptcp-subtests-v1-5-695127e0ad83@tessares.net>
Date: Mon, 17 Jul 2023 15:21:25 +0200
From: Matthieu Baerts <matthieu.baerts@...sares.net>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Matthieu Baerts <matthieu.baerts@...sares.net>
Subject: [PATCH net-next 05/13] selftests: mptcp: userspace_pm: reduce dup
 code around printf

In this selftest, "printf" is always used with "stdbuf".

With a new helper, it is possible to call "stdbuf" only from one place.
This makes the code a bit clearer to read.

Acked-by: Paolo Abeni <pabeni@...hat.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@...sares.net>
---
 tools/testing/selftests/net/mptcp/userspace_pm.sh | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh
index 6b733b97d358..568ddee1d102 100755
--- a/tools/testing/selftests/net/mptcp/userspace_pm.sh
+++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh
@@ -59,21 +59,24 @@ rndh=$(printf %x "$sec")-$(mktemp -u XXXXXX)
 ns1="ns1-$rndh"
 ns2="ns2-$rndh"
 ret=0
+_printf() {
+	stdbuf -o0 -e0 printf "${@}"
+}

 print_title()
 {
-	stdbuf -o0 -e0 printf "INFO: %s\n" "${1}"
+	_printf "INFO: %s\n" "${1}"
 }

 # $1: test name
 print_test()
 {
-	stdbuf -o0 -e0 printf "%-63s" "${1}"
+	_printf "%-63s" "${1}"
 }

 print_results()
 {
-	stdbuf -o0 -e0 printf "[%s]\n" "${1}"
+	_printf "[%s]\n" "${1}"
 }

 test_pass()
@@ -93,7 +96,7 @@ test_fail()
 	ret=1

 	if [ -n "${1}" ]; then
-		stdbuf -o0 -e0 printf "\t%s\n" "${1}"
+		_printf "\t%s\n" "${1}"
 	fi
 }

@@ -127,7 +130,7 @@ cleanup()

 	rm -rf $file $client_evts $server_evts

-	stdbuf -o0 -e0 printf "Done\n"
+	_printf "Done\n"
 }

 trap cleanup EXIT
@@ -288,7 +291,7 @@ check_expected_one()
 		test_fail
 	fi

-	stdbuf -o0 -e0 printf "\tExpected value for '%s': '%s', got '%s'.\n" \
+	_printf "\tExpected value for '%s': '%s', got '%s'.\n" \
 		"${var}" "${!exp}" "${!var}"
 	return 1
 }

-- 
2.40.1