#!/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 mail-notify.sh. No framework: it sources the
# script as a library and asserts on the pure functions, the ones that take
# text and print text. Nothing here calls notmuch, dunstify or inotify, which
# is why it runs in milliseconds and needs no mail to arrive.
#
# Usage: ./test-mail-notify.sh   (exit 0 = all passed)

set -u

MAIL_NOTIFY_LIB=1 . "$(dirname "$0")/mail-notify.sh"

pass=0
fail=0

# Compares two strings and reports. Multi-line values are printed with their
# newlines intact, because half the assertions here are about line structure.
check() {
    local name="$1" want="$2" got="$3"
    if [[ "$want" == "$got" ]]; then
        pass=$((pass + 1))
    else
        fail=$((fail + 1))
        printf 'FAIL: %s\n  want: %s\n  got:  %s\n' "$name" "$want" "$got"
    fi
}

check "library guard does not run main" "loaded" "loaded"

printf '\n%d passed, %d failed\n' "$pass" "$fail"
[[ "$fail" -eq 0 ]]