tests: add a simple test that bootctl output is valid json

python's json.tool module is used because it does validation. jq is more forgiving.
Also, json is in the stdlib, so it should be always available.

2 files changed, 25 insertions, 0 deletions

diff --git a/test/meson.build b/test/meson.build
index f2080b5a9a..93f0e679fe 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -89,6 +89,7 @@ if install_tests
                      install_dir : testdata_dir)
 endif
 
+test_bootctl_json_sh = find_program('test-bootctl-json.sh')
 test_fstab_generator_sh = find_program('test-fstab-generator.sh')
 test_network_generator_conversion_sh = find_program('test-network-generator-conversion.sh')
 test_systemctl_enable_sh = find_program('test-systemctl-enable.sh')
diff --git a/test/test-bootctl-json.sh b/test/test-bootctl-json.sh
new file mode 100755
index 0000000000..7a660a8ea7
--- /dev/null
+++ b/test/test-bootctl-json.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -e
+set -o pipefail
+
+bootctl="${1:?}"
+
+"$bootctl" --no-pager list >/dev/null || {
+    echo "$bootctl list failed, skipping tests" 1>&2
+    exit 77
+}
+
+set -x
+
+"$bootctl" list --json=pretty | python3 -m json.tool >/dev/null
+"$bootctl" list --json=short | python3 -m json.tool >/dev/null
+
+command -v jq >/dev/null || {
+    echo "jq is not available, skipping jq tests" 1>&2
+    exit 0
+}
+
+"$bootctl" list --json=pretty | jq . >/dev/null
+"$bootctl" list --json=short | jq . >/dev/null