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test: add a simple test for udev watch

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This commit is contained in:
Yu Watanabe 2021-03-08 05:21:45 +09:00
parent e63916ab29
commit b43669a4b1
2 changed files with 76 additions and 1 deletions
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2
test/TEST-17-UDEV/test.sh
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@ -8,7 +8,7 @@ TEST_NO_NSPAWN=1
# shellcheck source=test/test-functions
. "${TEST_BASE_DIR:?}/test-functions"
QEMU_TIMEOUT=500
QEMU_TIMEOUT=800
test_append_files() {
(

75
test/units/testsuite-17.06.sh Executable file
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@ -0,0 +1,75 @@
#!/bin/bash
set -ex
set -o pipefail
# tests for udev watch
function check_validity() {
local f ID_OR_HANDLE
for f in /run/udev/watch/*; do
ID_OR_HANDLE=$(readlink $f)
test -L /run/udev/watch/${ID_OR_HANDLE}
test $(readlink /run/udev/watch/${ID_OR_HANDLE}) = $(basename $f)
done
}
function check() {
local i j
for ((i=0;i<2;i++)); do
systemctl restart systemd-udevd.service
udevadm control --ping
udevadm settle
sleep 1
check_validity
for ((j=0;j<2;j++)); do
udevadm trigger -w --action add --subsystem-match=block
udevadm settle
sleep 1
check_validity
done
for ((j=0;j<2;j++)); do
udevadm trigger -w --action change --subsystem-match=block
udevadm settle
sleep 1
check_validity
done
done
}
mkdir -p /run/udev/rules.d/
cat >/run/udev/rules.d/00-debug.rules <<EOF
SUBSYSTEM=="block", KERNEL=="sda*", OPTIONS="log_level=debug"
EOF
cat >/run/udev/rules.d/50-testsuite.rules <<EOF
ACTION=="add", SUBSYSTEM=="block", KERNEL=="sda", OPTIONS:="watch"
EOF
check
MAJOR=$(udevadm info /dev/sda | grep -e '^E: MAJOR=' | sed -e 's/^E: MAJOR=//')
MINOR=$(udevadm info /dev/sda | grep -e '^E: MINOR=' | sed -e 's/^E: MINOR=//')
test -L /run/udev/watch/b${MAJOR}:${MINOR}
cat >/run/udev/rules.d/50-testsuite.rules <<EOF
ACTION=="change", SUBSYSTEM=="block", KERNEL=="sda", OPTIONS:="nowatch"
EOF
check
MAJOR=$(udevadm info /dev/sda | grep -e '^E: MAJOR=' | sed -e 's/^E: MAJOR=//')
MINOR=$(udevadm info /dev/sda | grep -e '^E: MINOR=' | sed -e 's/^E: MINOR=//')
test ! -e /run/udev/watch/b${MAJOR}:${MINOR}
rm /run/udev/rules.d/00-debug.rules
rm /run/udev/rules.d/50-testsuite.rules
udevadm control --reload
udevadm trigger -w --action add --subsystem-match=block
exit 0