tests: add a few integration tests.

tests/integration/apt/apt.bats

@@ -25,14 +25,26 @@ setup_file() {
     sudo apt install -y pass
 }
 
-@test "apt: Remove a package (using 'purge' instead also removes its configuration files)" {
+@test "apt: Remove a package and its configuration files" {
-    sudo apt remove -y pass
+    sudo apt purge -y pass
 }
 
 @test "apt: Upgrade all installed packages to their newest available versions" {
     sudo apt upgrade -y
 }
 
+@test "apt: Upgrade installed packages, but remove obsolete packages and install additional packages to meet new dependencies" {
+    sudo apt dist-upgrade -y
+}
+
+@test "apt: Clean the local repository - removing package files (.deb) from interrupted downloads that can no longer be downloaded" {
+    sudo apt autoclean
+}
+
+@test "apt: Remove all packages that are no longer needed" {
+    sudo apt autoremove
+}
+
 @test "apt: List all packages" {
     apt list
 }
@@ -41,6 +53,6 @@ setup_file() {
     apt list --installed
 }
 
-@test "apt-moo: Print a cow easter egg" {
+@test "apt: Print a cow easter egg" {
     apt moo
 }

tests/integration/apt/dpkg-query.bats

@@ -0,0 +1,27 @@
+#!/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 "dpkg-query: List all installed packages" {
+    dpkg-query --list
+}
+
+@test "dpkg-query: List installed packages matching a pattern" {
+    dpkg-query --list 'libc6*'
+}
+
+@test "dpkg-query: List all files installed by a package" {
+    dpkg-query --listfiles libc6
+}
+
+@test "dpkg-query: Show information about a package" {
+    dpkg-query --status libc6
+}
+
+@test "dpkg-query: Search for packages that own files matching a pattern" {
+    dpkg-query --search /etc/ld.so.conf.d
+}
+

tests/integration/apt/dpkg-reconfigure.bats

@@ -0,0 +1,12 @@
+#!/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 "dpkg-reconfigure: Reconfigure one or more packages" {
+    sudo apt install -y pass
+    sudo dpkg-reconfigure pass
+}
+

tests/integration/pacman/paccache.bats

@@ -0,0 +1,22 @@
+#!/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 "paccache: Perform a dry-run and show the number of candidate packages for deletion" {
+    sudo paccache -d
+}
+
+@test "paccache: Move candidate packages to a directory instead of deleting them" {
+    sudo paccache -m "$USER_BUILD_DIRS"
+}
+
+@test "paccache: Remove all but the 3 most recent package versions from the `pacman` cache" {
+    sudo paccache -r
+}
+
+@test "paccache: Set the number of package versions to keep" {
+    sudo paccache -rk 3
+}

tests/integration/pacman/pacman-key.bats

@@ -0,0 +1,34 @@
+#!/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 "pacman-key: Initialize the 'pacman' keyring" {
+    sudo pacman-key --init
+}
+
+@test "pacman-key: Add the default Arch Linux keys" {
+    sudo pacman-key --populate
+}
+
+@test "pacman-key: List keys from the public keyring" {
+    pacman-key --list-keys
+}
+
+@test "pacman-key: Receive a key from a key server" {
+    sudo pacman-key --recv-keys 06A26D531D56C42D66805049C5469996F0DF68EC
+}
+
+@test "pacman-key: Print the fingerprint of a specific key" {
+    pacman-key --finger 06A26D531D56C42D66805049C5469996F0DF68EC
+}
+
+@test "pacman-key: Sign an imported key locally" {
+    sudo pacman-key --lsign-key 06A26D531D56C42D66805049C5469996F0DF68EC
+}
+
+@test "pacman-key: Remove a specific key" {
+    sudo pacman-key --delete 06A26D531D56C42D66805049C5469996F0DF68EC
+}

tests/integration/pacman/pacman.bats

@@ -0,0 +1,34 @@
+#!/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 "pacman: Synchronize and update all packages" {
+    sudo pacman -Syu --noconfirm
+}
+
+@test "pacman: Install a new package" {
+    sudo pacman -S --noconfirm pass pass-otp
+}
+
+@test "pacman: Remove a package and its dependencies" {
+    sudo pacman -Rs --noconfirm pass-otp
+}
+
+@test "pacman: List installed packages and versions" {
+    pacman -Q
+}
+
+@test "pacman: List only the explicitly installed packages and versions" {
+    pacman -Qe
+}
+
+@test "pacman: List orphan packages (installed as dependencies but not actually required by any package)" {
+    pacman -Qtdq
+}
+
+@test "pacman: Empty the entire 'pacman' cache" {
+    sudo pacman -Scc --noconfirm
+}

tests/integration/procps/sysctl.bats

@@ -21,6 +21,6 @@ load ../common
     sysctl fs.file-max
 }
 
-@test "sysctl: Apply changes from `/etc/sysctl.conf`" {
+@test "sysctl: Apply changes from '/etc/sysctl.conf'" {
-    sysctl -p
+    sudo sysctl -p
 }

tests/integration/procps/uptime.bats

@@ -0,0 +1,18 @@
+#!/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 "uptime: Print current time, uptime, number of logged-in users and other information" {
+    uptime
+}
+
+@test "uptime: Show only the amount of time the system has been booted for" {
+    uptime --pretty
+}
+
+@test "uptime: Print the date and time the system booted up at" {
+    uptime --since
+}

tests/integration/systemd/bootctl.bats

@@ -0,0 +1,22 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2025 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load ../common
+
+@test "bootctl: Show information about the system firmware and the bootloaders" {
+    sudo bootctl status
+}
+
+@test "bootctl: Show all available bootloader entries" {
+    sudo bootctl list
+}
+
+@test "bootctl: Install 'systemd-boot' into the EFI system partition" {
+    sudo bootctl install
+}
+
+@test "bootctl: Remove all installed versions of 'systemd-boot' from the EFI system partition" {
+    sudo bootctl remove
+}

tests/integration/systemd/busctl.bats

@@ -0,0 +1,27 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2025 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load ../common
+
+@test "busctl: Show all peers on the bus, by their service names" {
+    busctl list
+}
+
+@test "busctl: Show process information and credentials of a bus service, a process, or the owner of the bus (if no parameter is specified)" {
+    busctl status 1
+    busctl status org.freedesktop.DBus
+}
+
+@test "busctl: Show an object tree of one or more services (or all services if no service is specified)" {
+    busctl tree org.freedesktop.DBus
+}
+
+@test "busctl: Show interfaces, methods, properties and signals of the specified object on the specified service" {
+    busctl introspect org.freedesktop.login1 /org/freedesktop/login1
+}
+
+@test "busctl: Retrieve the current value of one or more object properties" {
+    busctl get-property org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager Docked
+}

tests/integration/systemd/homectl.bats

@@ -16,7 +16,7 @@ setup_file() {
 }
 
 @test "homectl: Create a user account and their associated home directory" {
-    sudo homectl create user2
+    printf "user2\nuser2" | sudo homectl create user2
 }
 
 @test "homectl: List user accounts and their associated home directories" {

tests/integration/systemd/journalctl.bats

@@ -0,0 +1,30 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2025 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load ../common
+
+@test "journalctl: Show all messages with priority level 3 (errors) from this boot" {
+    sudo journalctl -b --priority=3
+}
+
+@test "journalctl: Show only the last N lines of the journal" {
+    sudo journalctl --lines 100
+}
+
+@test "journalctl: Show all messages by a specific [u]nit" {
+    sudo journalctl --unit apparmor.service
+}
+
+@test "journalctl: Show all messages by a specific process" {
+    sudo journalctl _PID=1
+}
+
+@test "journalctl: Show all messages by a specific executable" {
+    sudo journalctl /usr/bin/bootctl
+}
+
+@test "journalctl: Delete journal logs which are older than 10 seconds" {
+    sudo journalctl --vacuum-time=10s
+}

tests/integration/systemd/localectl.bats

@@ -0,0 +1,23 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2025 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load ../common
+
+@test "localectl: Show the current settings of the system locale and keyboard mapping" {
+    localectl
+}
+
+@test "localectl: List available locales" {
+    localectl list-locales
+}
+
+@test "localectl: Set a system locale variable" {
+    sudo localectl set-locale LANG=en_US.UTF-8
+}
+
+@test "localectl: Set the system keyboard mapping for the console and X11" {
+    sudo localectl set-keymap uk
+}
+

tests/integration/systemd/machinectl.bats

@@ -0,0 +1,26 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2025 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load ../common
+
+@test "importctl: Import an image as a machine" {
+    sudo importctl pull-tar --force --class=machine -N https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64-root.tar.xz noble
+}
+
+@test "machinectl: Display a list of available images" {
+    sudo machinectl list-images
+}
+
+@test "machinectl: Start a machine as a service using systemd-nspawn" {
+    sudo machinectl start noble
+}
+
+@test "machinectl: Display a list of running machines" {
+    sudo machinectl list
+}
+
+@test "machinectl: Stop a running machine" {
+    sudo machinectl stop noble
+}

tests/integration/systemd/networkctl.bats

@@ -0,0 +1,18 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2025 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load ../common
+
+@test "networkctl: List existing links with their status" {
+    sudo networkctl list
+}
+
+@test "networkctl: Show an overall network status" {
+    sudo networkctl status
+}
+
+@test "networkctl: Reload configuration files (.netdev and .network)" {
+    sudo networkctl reload
+}

tests/integration/utils/fstrim.bats

@@ -0,0 +1,14 @@
+#!/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 "fstrim: Trim unused blocks on all mounted partitions that support it" {
+    sudo fstrim --all
+}
+
+@test "fstrim: Trim unused blocks on a specified partition" {
+    sudo fstrim --verbose /
+}