From: Geliang Tang <[email protected]>

This patch adds a new variable MPTCP_LIB_TEST_FORMAT as the test title
printing format. Also add a helper mptcp_lib_print_title() to use this
format to print the test title with test counters. They are used in
mptcp_join.sh first.

Each MPTCP selftest is having subtests, and it helps to give them a
number to quickly identify them. This can be managed by mptcp_lib.sh,
reusing what has been done here. The following commit will use these
new helpers in the other tests.

Signed-off-by: Geliang Tang <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 13 ++++---------
 tools/testing/selftests/net/mptcp/mptcp_lib.sh  | 10 +++++++++-
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh 
b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 4ef0d5ae9dae..2f34e2b9a1c4 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -48,6 +48,7 @@ declare -A all_tests
 declare -a only_tests_ids
 declare -a only_tests_names
 declare -A failed_tests
+MPTCP_LIB_TEST_FORMAT="%03u %s\n"
 TEST_NAME=""
 nr_blank=6
 
@@ -169,11 +170,6 @@ cleanup()
        cleanup_partial
 }
 
-print_title()
-{
-       printf "%03u %s\n" "${MPTCP_LIB_TEST_COUNTER}" "${TEST_NAME}"
-}
-
 print_check()
 {
        printf "%-${nr_blank}s%-36s" " " "${*}"
@@ -232,7 +228,7 @@ skip_test()
 
        local i
        for i in "${only_tests_ids[@]}"; do
-               if [ "${MPTCP_LIB_TEST_COUNTER}" -eq "${i}" ]; then
+               if [ "$((MPTCP_LIB_TEST_COUNTER+1))" -eq "${i}" ]; then
                        return 1
                fi
        done
@@ -267,14 +263,13 @@ reset()
 
        TEST_NAME="${1}"
 
-       MPTCP_LIB_TEST_COUNTER=$((MPTCP_LIB_TEST_COUNTER+1))
-
        if skip_test; then
+               MPTCP_LIB_TEST_COUNTER=$((MPTCP_LIB_TEST_COUNTER+1))
                last_test_ignored=1
                return 1
        fi
 
-       print_title
+       mptcp_lib_print_title "${TEST_NAME}"
 
        if [ "${init}" != "1" ]; then
                init
diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh 
b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
index 63abf4431993..eb740a2f7898 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
@@ -10,8 +10,8 @@ readonly KSFT_TEST="${MPTCP_LIB_KSFT_TEST:-$(basename "${0}" 
.sh)}"
 
 MPTCP_LIB_SUBTESTS=()
 MPTCP_LIB_SUBTESTS_DUPLICATED=0
-# shellcheck disable=SC2034 # unused at this moment
 MPTCP_LIB_TEST_COUNTER=0
+MPTCP_LIB_TEST_FORMAT="%02u %-50s"
 
 # only if supported (or forced) and not disabled, see no-color.org
 if { [ -t 1 ] || [ "${SELFTESTS_MPTCP_LIB_COLOR_FORCE:-}" = "1" ]; } &&
@@ -412,3 +412,11 @@ mptcp_lib_events() {
        ip netns exec "${ns}" ./pm_nl_ctl events >> "${evts}" 2>&1 &
        pid=$!
 }
+
+mptcp_lib_print_title() {
+       : "${MPTCP_LIB_TEST_COUNTER:?}"
+       : "${MPTCP_LIB_TEST_FORMAT:?}"
+
+       # shellcheck disable=SC2059 # the format is in a variable
+       printf "${MPTCP_LIB_TEST_FORMAT}" "$((++MPTCP_LIB_TEST_COUNTER))" "${*}"
+}

-- 
2.43.0


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