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#!/bin/bash
#
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# The one runnable check for userctl. busctl, kwriteconfig6, git and gpg are
# stubs on PATH that log their arguments, so nothing here reaches the real
# AccountsService, emaildefaults or git config. jq is the real one.
#
# Usage: ./test-userctl.sh (exit 0 = all passed)
set -u
here="$(cd "$(dirname "$0")" && pwd)"
ctl="$here/userctl"
tmp="$(mktemp -d)"
trap 'rm -rf "$tmp"' EXIT
mkdir "$tmp/bin"
cat > "$tmp/bin/stub" <<'EOF'
#!/bin/bash
n="${0##*/}"
{ printf '%s' "$n"; printf ' [%s]' "$@"; echo; } >> "$LOG"
[[ "${FAIL:-}" == "$n" ]] && { echo boom >&2; exit 1; }
case "$n" in
busctl) [[ " $* " == *" get-property "* ]] && printf '{"type":"s","data":"%s"}\n' "${@: -1}" ;;
git) [[ " $* " == *" --get "* ]] && { [[ -n "${GIT_VALUE:-}" ]] && echo "$GIT_VALUE" || exit 1; } ;;
gpg) cat "$GPG_FIXTURE" ;;
esac
exit 0
EOF
chmod +x "$tmp/bin/stub"
for n in busctl kwriteconfig6 git gpg; do ln -s stub "$tmp/bin/$n"; done
export PATH="$tmp/bin:$PATH" HOME="$tmp" LOG="$tmp/log"
obj="/org/freedesktop/Accounts/User$(id -u)"
acc="busctl [--system] [call] [org.freedesktop.Accounts] [$obj] [org.freedesktop.Accounts.User]"
pass=0
fail=0
check() {
local label="$1" want="$2" got="$3"
if [[ "$want" == "$got" ]]; then
printf 'ok %s\n' "$label"; pass=$((pass + 1))
else
printf 'FAIL %s:\n want %q\n got %q\n' "$label" "$want" "$got"; fail=$((fail + 1))
fi
}
reset() { : > "$LOG"; unset FAIL GIT_VALUE; }
# get: one line per field, AccountsService through --json, the key from git.
reset
export GIT_VALUE=ABCDEF
check "get" "name=RealName
email=Email
avatar=IconFile
language=Language
location=Location
signingkey=ABCDEF" "$("$ctl" get)"
# keys: the primary fingerprint and first uid of each secret key; subkey
# fingerprints and later uids are skipped.
reset
cat > "$tmp/gpg.txt" <<'EOF'
sec:u:255:22:AAAA1111:1700000000:::u:::scESC:::+:::23::0:
fpr:::::::::1111222233334444555566667777AAAA1111:
grp:::::::::0000:
uid:u::::1700000000::HASH::Jane Doèr <jane@example.org>::::::::::0:
uid:u::::1700000000::HASH::Jane D. <jd@example.org>::::::::::0:
ssb:u:255:18:SUB1:1700000000::::::e:::+:::23:
fpr:::::::::9999888877776666555544443333SUB1:
sec:u:255:22:BBBB2222:1700000000:::u:::scESC:::#:::23::0:
fpr:::::::::AAAABBBBCCCCDDDDEEEEFFFF0000BBBB2222:
uid:u::::1700000000::HASH::Work Key <work@example.org>::::::::::0:
EOF
export GPG_FIXTURE="$tmp/gpg.txt"
check "keys" "1111222233334444555566667777AAAA1111 Jane Doèr <jane@example.org>
AAAABBBBCCCCDDDDEEEEFFFF0000BBBB2222 Work Key <work@example.org>" "$("$ctl" keys)"
# set name: AccountsService, emaildefaults, git with the surname shortened.
reset
out="$("$ctl" set name "Jane Doèr")"
check "set name prints nothing" "" "$out"
check "set name writes" "$acc [SetRealName] [s] [Jane Doèr]
kwriteconfig6 [--file] [emaildefaults] [--group] [PROFILE_Default] [--key] [FullName] [Jane Doèr]
git [config] [--global] [user.name] [Jane D.]" "$(cat "$LOG")"
gitname() { reset; "$ctl" set name "$1" >/dev/null; grep '^git' "$LOG"; }
check "three words" "git [config] [--global] [user.name] [Anna Maria R.]" "$(gitname "Anna Maria Rossi")"
check "one word" "git [config] [--global] [user.name] [Cher]" "$(gitname "Cher")"
check "accented initial" "git [config] [--global] [user.name] [Ève À.]" "$(gitname "Ève Àlba")"
check "extra spaces" "git [config] [--global] [user.name] [Jane D.]" "$(gitname " Jane Doèr ")"
# set email: the same three stores.
reset
"$ctl" set email jane@example.org >/dev/null
check "set email writes" "$acc [SetEmail] [s] [jane@example.org]
kwriteconfig6 [--file] [emaildefaults] [--group] [PROFILE_Default] [--key] [EmailAddress] [jane@example.org]
git [config] [--global] [user.email] [jane@example.org]" "$(cat "$LOG")"
# AccountsService only.
for pair in avatar:SetIconFile language:SetLanguage location:SetLocation; do
reset
"$ctl" set "${pair%%:*}" v >/dev/null
check "set ${pair%%:*} writes" "$acc [${pair#*:}] [s] [v]" "$(cat "$LOG")"
done
# signingkey: a fingerprint is written; empty unsets, but only if one is set.
reset
"$ctl" set signingkey ABCD >/dev/null
check "set signingkey" "git [config] [--global] [user.signingkey] [ABCD]" "$(cat "$LOG")"
reset
export GIT_VALUE=OLD
"$ctl" set signingkey "" >/dev/null
check "unset signingkey" "git [config] [--global] [--get] [user.signingkey]
git [config] [--global] [--unset] [user.signingkey]" "$(cat "$LOG")"
reset
"$ctl" set signingkey "" >/dev/null
check "unset when none is set" "git [config] [--global] [--get] [user.signingkey]" "$(cat "$LOG")"
# A failing write stops there, says why on stdout, and exits 1.
reset
export FAIL=busctl
out="$("$ctl" set name "Jane Doèr")"; rc=$?
check "failure exit" "1" "$rc"
check "failure message" "busctl: boom" "$out"
check "failure stops" "1" "$(wc -l < "$LOG" | tr -d ' ')"
# An unknown field is refused.
reset
"$ctl" set shoesize 42 >/dev/null 2>&1; rc=$?
check "unknown field" "2" "$rc"
printf '\n%d passed, %d failed\n' "$pass" "$fail"
[[ $fail -eq 0 ]]
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