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selftests: pmtu: Allow selection of single tests

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As number of tests is growing, it's quite convenient to allow
single tests to be run.

Display usage when the script is run with any invalid argument,
keep existing semantics when no arguments are passed so that
automated runs won't break.

Instead of just looping on the list of requested tests, if any,
check first that they exist, and go through them in a nested
loop to keep the existing way to display test descriptions.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefano Brivio 2018-10-12 23:54:13 +02:00 committed by David S. Miller
parent 2527e4037f
commit 55bbc8ff49
1 changed files with 21 additions and 0 deletions
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21
tools/testing/selftests/net/pmtu.sh
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@ -641,6 +641,20 @@ test_pmtu_vti6_link_change_mtu() {
return ${fail}
}
usage() {
echo
echo "$0 [TEST]..."
echo "If no TEST argument is given, all tests will be run."
echo
echo "Available tests${tests}"
exit 1
}
for arg do
# Check first that all requested tests are available before running any
command -v > /dev/null "test_${arg}" || { echo "=== Test ${arg} not found"; usage; }
done
trap cleanup EXIT
exitcode=0
@ -650,6 +664,13 @@ IFS="
for t in ${tests}; do
[ $desc -eq 0 ] && name="${t}" && desc=1 && continue || desc=0
run_this=1
for arg do
[ "${arg}" = "${name}" ] && run_this=1 && break
run_this=0
done
[ $run_this -eq 0 ] && continue
(
unset IFS
eval test_${name}