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[net,03/17] selftests: mptcp: join: helpers to skip tests

Message ID 20230609-upstream-net-20230610-mptcp-selftests-support-old-kernels-part-3-v1-3-2896fe2ee8a3@tessares.net
State Accepted
Commit cdb50525345cf5a8359ee391032ef606a7826f08
Headers show
Series [net,01/17] selftests: mptcp: lib: skip if not below kernel version | expand

Commit Message

Matthieu Baerts June 10, 2023, 4:11 p.m. UTC
Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.

Here are some helpers that will be used to mark subtests as skipped if a
feature is not supported. Marking as a fix for the commit introducing
this selftest to help with the backports.

While at it, also check if kallsyms feature is available as it will also
be used in the following commits to check if MPTCP features are
available before starting a test.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: b08fbf241064 ("selftests: add test-cases for MPTCP MP_JOIN")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 27 +++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
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Patch

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 74cc8a74a9d6..a63aed145393 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -142,6 +142,7 @@  cleanup_partial()
 check_tools()
 {
 	mptcp_lib_check_mptcp
+	mptcp_lib_check_kallsyms
 
 	if ! ip -Version &> /dev/null; then
 		echo "SKIP: Could not run test without ip tool"
@@ -191,6 +192,32 @@  cleanup()
 	cleanup_partial
 }
 
+# $1: msg
+print_title()
+{
+	printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${1}"
+}
+
+# [ $1: fail msg ]
+mark_as_skipped()
+{
+	local msg="${1:-"Feature not supported"}"
+
+	mptcp_lib_fail_if_expected_feature "${msg}"
+
+	print_title "[ skip ] ${msg}"
+	printf "\n"
+}
+
+# $@: condition
+continue_if()
+{
+	if ! "${@}"; then
+		mark_as_skipped
+		return 1
+	fi
+}
+
 skip_test()
 {
 	if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then