1 files changed, 77 insertions, 0 deletions
diff --git a/test/units/TEST-74-AUX-UTILS.machine-id-setup.sh b/test/units/TEST-74-AUX-UTILS.machine-id-setup.sh
new file mode 100755
index 0000000..c2b9db5
--- /dev/null
+++ b/test/units/TEST-74-AUX-UTILS.machine-id-setup.sh
@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# shellcheck disable=SC2064
+set -eux
+set -o pipefail
+
+# shellcheck source=test/units/test-control.sh
+. "$(dirname "$0")"/test-control.sh
+# shellcheck source=test/units/util.sh
+. "$(dirname "$0")"/util.sh
+
+root_mock() {
+    local root="${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
+
+run_testcases