#!/bin/sh
#
# ProteanOS Development Kit
# tests/parse_control.common.sh
# Common parse_control() tests functions
#
# Copyright (C) 2014  Patrick "P. J." McDermott
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

. "${srcdir}/tests/common.sh"

use output
use control

load_locale

HT='	'
LF='
'

test_result=

field()
{
	test_results="${test_results}${1}${HT}${2}${LF}"
}

para()
{
	test_results="${test_results}¶${LF}"
}

parse_control - field para "${req_fields}" <<-EOF
	${packages}
	EOF

printf 'Required fields: %s\n\n' "${req_fields}"

printf 'Diff:\n'
exec 3<<-EOF
	${results}
	EOF
exec 4<<-EOF
	${test_results}
	EOF
line_no=0
while :; do
	line_no=$(($line_no + 1))
	errors=0
	read -r good_line <&3 || errors=$(($errors + 1))
	read -r test_line <&4 || errors=$(($errors + 1))
	[ ${errors} -eq 2 ] && break
	if [ "x${good_line}" = "x${test_line}" ]; then
		printf '%3d  %s\n' ${line_no} "${good_line}"
	else
		printf '%3d %s-%s%s\n' ${line_no} "${red}" "${good_line}" \
			"${std}"
		printf '%3d %s+%s%s\n' ${line_no} "${grn}" "${test_line}" \
			"${std}"
		tests_es=1
	fi
done
exec 3<&-
exec 4<&-

printf '\nExpected results:\n'
line_no=0
while read -r line; do
	line_no=$(($line_no + 1))
	printf '%3d %s\n' ${line_no} "${line}"
done <<-EOF
	${results}
	EOF
printf '\nTest results:\n'
line_no=0
while read -r line; do
	line_no=$(($line_no + 1))
	printf '%3d %s\n' ${line_no} "${line}"
done <<-EOF
	${test_results}
	EOF