tests: add dmesg.bats

apparmor.d/profiles-a-f/dmesg

@@ -17,7 +17,7 @@ profile dmesg @{exec_path} {
 
   @{exec_path} mr,
 
-  @{sh_path}        rix,
+  @{sh_path}    rix,
   @{pager_path} rPx -> child-pager,
 
   /usr/share/terminfo/** r,

tests/bats/dmesg.bats

@@ -0,0 +1,30 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2024 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load common
+
+@test "dmesg: Show kernel messages" {
+    sudo dmesg
+}
+
+@test "dmesg: Show kernel error messages" {
+    sudo dmesg --level err
+}
+
+@test "dmesg: Show how much physical memory is available on this system" {
+    sudo dmesg | grep -i memory
+}
+
+@test "dmesg: Show kernel messages with a timestamp (available in kernels 3.5.0 and newer)" {
+    sudo dmesg -T
+}
+
+@test "dmesg: Show kernel messages in human-readable form (available in kernels 3.5.0 and newer)" {
+    sudo dmesg -H
+}
+
+@test "dmesg: Colorize output (available in kernels 3.5.0 and newer)" {
+    sudo dmesg -L
+}