+++ /dev/null
-#!/usr/bin/env bash
-# SPDX-License-Identifier: LGPL-2.1-or-later
-set -eux
-set -o pipefail
-
-function setup_root {
- local _root="$1"
- mkdir -p "$_root"
- mount -t tmpfs tmpfs "$_root"
- mkdir -p "$_root/etc" "$_root/run"
-}
-
-function check {
- printf "Expected\n"
- cat "$1"
- printf "\nGot\n"
- cat "$2"
- cmp "$1" "$2"
-}
-
-r="$(pwd)/overwrite-broken-machine-id"
-setup_root "$r"
-systemd-machine-id-setup --print --root "$r"
-echo abc >>"$r/etc/machine-id"
-id="$(systemd-machine-id-setup --print --root "$r")"
-echo "$id" >expected
-check expected "$r/etc/machine-id"
-
-r="$PWD/transient-machine-id"
-setup_root "$r"
-systemd-machine-id-setup --print --root "$r"
-echo abc >>"$r/etc/machine-id"
-mount -o remount,ro "$r"
-mount -t tmpfs tmpfs "$r/run"
-transient_id="$(systemd-machine-id-setup --print --root "$r")"
-mount -o remount,rw "$r"
-commited_id="$(systemd-machine-id-setup --print --commit --root "$r")"
-[[ "$transient_id" = "$commited_id" ]]
-check "$r/etc/machine-id" "$r/run/machine-id"
--- /dev/null
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# shellcheck disable=SC2064
+set -eux
+set -o pipefail
+
+root_mock() {
+ local root="${1:?}"
+
+ mkdir -p "$root"
+ # Put a tmpfs over the "root", so we're able to remount it as read-only
+ # when needed
+ mount -t tmpfs tmpfs "$root"
+ mkdir "$root/etc" "$root/run"
+}
+
+root_cleanup() {
+ local root="${1:?}"
+
+ umount --recursive "$root"
+ rm -fr "$root"
+}
+
+testcase_sanity() {
+ systemd-machine-id-setup
+ systemd-machine-id-setup --help
+ systemd-machine-id-setup --version
+ systemd-machine-id-setup --print
+ systemd-machine-id-setup --root= --print
+ systemd-machine-id-setup --root=/ --print
+
+ (! systemd-machine-id-setup "")
+ (! systemd-machine-id-setup --foo)
+}
+
+testcase_invalid() {
+ local root machine_id
+
+ root="$(mktemp -d)"
+ trap "root_cleanup $root" RETURN
+ root_mock "$root"
+
+ systemd-machine-id-setup --print --root "$root"
+ echo abc >>"$root/etc/machine-id"
+ machine_id="$(systemd-machine-id-setup --print --root "$root")"
+ diff <(echo "$machine_id") "$root/etc/machine-id"
+}
+
+testcase_transient() {
+ local root transient_id committed_id
+
+ root="$(mktemp -d)"
+ trap "root_cleanup $root" RETURN
+ root_mock "$root"
+
+ systemd-machine-id-setup --print --root "$root"
+ echo abc >>"$root/etc/machine-id"
+ mount -o remount,ro "$root"
+ mount -t tmpfs tmpfs "$root/run"
+ transient_id="$(systemd-machine-id-setup --print --root "$root")"
+ mount -o remount,rw "$root"
+ committed_id="$(systemd-machine-id-setup --print --commit --root "$root")"
+ [[ "$transient_id" == "$committed_id" ]]
+ diff "$root/etc/machine-id" "$root/run/machine-id"
+}
+
+# Check if we correctly processed the invalid machine ID we set up in the respective
+# test.sh file
+systemctl --state=failed --no-legend --no-pager >/failed
+test ! -s /failed
+
+# Create a list of all functions prefixed with testcase_
+mapfile -t TESTCASES < <(declare -F | awk '$3 ~ /^testcase_/ {print $3;}')
+
+if [[ "${#TESTCASES[@]}" -eq 0 ]]; then
+ echo >&2 "No test cases found, this is most likely an error"
+ exit 1
+fi
+
+for testcase in "${TESTCASES[@]}"; do
+ "$testcase"
+done