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test: add a couple of tests for getty-generator

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This commit is contained in:
Frantisek Sumsal 2023-04-14 12:58:51 +02:00
parent 7faa4e3782
commit e6c281c1cb
2 changed files with 90 additions and 0 deletions
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1
test/test-functions
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@ -195,6 +195,7 @@ BASICTOOLS=(
losetup
lz4cat
mkfifo
mknod
mktemp
modprobe
mount

89
test/units/testsuite-81.getty-generator.sh Executable file
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@ -0,0 +1,89 @@
#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2235
set -eux
set -o pipefail
# Disable history expansion so we don't have to escape ! in strings below
set +o histexpand
# shellcheck source=test/units/generator-utils.sh
. "$(dirname "$0")/generator-utils.sh"
GENERATOR_BIN="/usr/lib/systemd/system-generators/systemd-getty-generator"
OUT_DIR="$(mktemp -d /tmp/getty-generator.XXX)"
at_exit() {
rm -frv "${OUT_DIR:?}"
}
trap at_exit EXIT
test -x "${GENERATOR_BIN:?}"
if in_container; then
# Do a limited test in a container, as writing to /dev is usually restrited
: "getty-generator: \$container_ttys env (container)"
# In a container we allow only /dev/pts/* ptys
PID1_ENVIRON="container_ttys=tty0 pts/0 /dev/tty0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
# console-getty.service is always pulled in in containers
link_endswith "$OUT_DIR/getty.target.wants/console-getty.service" "/lib/systemd/system/console-getty.service"
link_endswith "$OUT_DIR/getty.target.wants/container-getty@0.service" "/lib/systemd/system/container-getty@.service"
test ! -e "$OUT_DIR/getty.target.wants/container-getty@tty0.service"
test ! -h "$OUT_DIR/getty.target.wants/container-getty@tty0.service"
exit 0
fi
DUMMY_ACTIVE_CONSOLES=(
"hvc99"
"xvc99"
"hvsi99"
"sclp_line99"
"ttysclp99"
"3270!tty99"
"dummy99"
)
DUMMY_INACTIVE_CONSOLES=(
"inactive99"
"xvc199"
)
DUMMY_CONSOLES=(
"${DUMMY_ACTIVE_CONSOLES[@]}"
"${DUMMY_INACTIVE_CONSOLES[@]}"
)
# Create a bunch of dummy consoles
for console in "${DUMMY_CONSOLES[@]}"; do
mknod "/dev/$console" c 4 0
done
# Sneak in one "not-a-tty" console
touch /dev/notatty99
# Temporarily replace /sys/class/tty/console/active with our list of dummy
# consoles so getty-generator can process them
echo -ne "${DUMMY_ACTIVE_CONSOLES[@]}" /dev/notatty99 >/tmp/dummy-active-consoles
mount -v --bind /tmp/dummy-active-consoles /sys/class/tty/console/active
: "getty-generator: no arguments"
# Sneak in an invalid value for $SYSTEMD_GETTY_AUTO to test things out
PID1_ENVIRON="SYSTEMD_GETTY_AUTO=foo" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
for console in "${DUMMY_ACTIVE_CONSOLES[@]}"; do
unit="$(systemd-escape --template serial-getty@.service "$console")"
link_endswith "$OUT_DIR/getty.target.wants/$unit" /lib/systemd/system/serial-getty@.service
done
for console in "${DUMMY_INACTIVE_CONSOLES[@]}" /dev/notatty99; do
unit="$(systemd-escape --template serial-getty@.service "$console")"
test ! -e "$OUT_DIR/getty.target.wants/$unit"
test ! -h "$OUT_DIR/getty.target.wants/$unit"
done
: "getty-generator: systemd.getty_auto=0 on kernel cmdline"
SYSTEMD_PROC_CMDLINE="systemd.getty_auto=foo systemd.getty_auto=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
[[ "$(find "$OUT_DIR" ! -type d | wc -l)" -eq 0 ]]
: "getty-generator: SYSTEMD_GETTY_AUTO=0 in PID1's environment"
PID1_ENVIRON="SYSTEMD_GETTY_AUTO=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
[[ "$(find "$OUT_DIR" ! -type d | wc -l)" -eq 0 ]]
# Cleanup
umount /sys/class/tty/console/active
rm -f "${DUMMY_CONSOLES[@]/#//dev/}" /dev/notatty99