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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -ex
set -o pipefail
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# shellcheck source=test/units/util.sh
. " $( dirname " $0 " ) " /util.sh
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# This is a test for issue #24518.
mkdir -p /run/udev/rules.d/
cat >/run/udev/rules.d/50-testsuite.rules <<EOF
SUBSYSTEM = = "mem" , KERNEL = = "null" , OPTIONS = "log_level=debug" , TAG += "systemd"
SUBSYSTEM = = "mem" , KERNEL = = "null" , ACTION = = "add" , SYMLINK += "test/symlink-to-null-on-add" , ENV{ SYSTEMD_ALIAS} += "/sys/test/alias-to-null-on-add"
SUBSYSTEM = = "mem" , KERNEL = = "null" , ACTION = = "change" , SYMLINK += "test/symlink-to-null-on-change" , ENV{ SYSTEMD_ALIAS} += "/sys/test/alias-to-null-on-change"
EOF
udevadm control --reload
udevadm trigger --settle --action add /dev/null
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for i in { 1..20} ; do
( ( i > 1) ) && sleep .5
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(
systemctl -q is-active /dev/test/symlink-to-null-on-add
! systemctl -q is-active /dev/test/symlink-to-null-on-change
systemctl -q is-active /sys/test/alias-to-null-on-add
! systemctl -q is-active /sys/test/alias-to-null-on-change
) && break
done
assert_rc 0 systemctl -q is-active /dev/test/symlink-to-null-on-add
assert_rc 3 systemctl -q is-active /dev/test/symlink-to-null-on-change
assert_rc 0 systemctl -q is-active /sys/test/alias-to-null-on-add
assert_rc 3 systemctl -q is-active /sys/test/alias-to-null-on-change
udevadm trigger --settle --action change /dev/null
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for i in { 1..20} ; do
( ( i > 1) ) && sleep .5
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(
! systemctl -q is-active /dev/test/symlink-to-null-on-add
systemctl -q is-active /dev/test/symlink-to-null-on-change
! systemctl -q is-active /sys/test/alias-to-null-on-add
systemctl -q is-active /sys/test/alias-to-null-on-change
) && break
done
assert_rc 3 systemctl -q is-active /dev/test/symlink-to-null-on-add
assert_rc 0 systemctl -q is-active /dev/test/symlink-to-null-on-change
assert_rc 3 systemctl -q is-active /sys/test/alias-to-null-on-add
assert_rc 0 systemctl -q is-active /sys/test/alias-to-null-on-change
udevadm trigger --settle --action add /dev/null
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for i in { 1..20} ; do
( ( i > 1) ) && sleep .5
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(
systemctl -q is-active /dev/test/symlink-to-null-on-add
! systemctl -q is-active /dev/test/symlink-to-null-on-change
systemctl -q is-active /sys/test/alias-to-null-on-add
! systemctl -q is-active /sys/test/alias-to-null-on-change
) && break
done
assert_rc 0 systemctl -q is-active /dev/test/symlink-to-null-on-add
assert_rc 3 systemctl -q is-active /dev/test/symlink-to-null-on-change
assert_rc 0 systemctl -q is-active /sys/test/alias-to-null-on-add
assert_rc 3 systemctl -q is-active /sys/test/alias-to-null-on-change
# cleanup
rm -f /run/udev/rules.d/50-testsuite.rules
udevadm control --reload
exit 0