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#!/bin/sh
#
# Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Simple test harness for libsudo_util tests.
# usage: harness [-v] test_group [test_name ...]
#
srcdir="@abs_srcdir@"
builddir="@abs_builddir@"
SHELL=@SHELL@
verbose=0
rval=0
ntests=0
errors=0

umask 022

if [ "$1" = "-v" ]; then
    verbose=1
    shift
fi

if [ $# -eq 0 ]; then
    echo "usage: harness test_group [test_name ...]" >&2
    exit 1
fi
group="$1"
shift
srcdir=${srcdir%"/regress"}
builddir=${builddir%"/regress"}

cd $srcdir || exit 1

if [ ! -d "regress/$group" ]; then
    echo "missing test group: regress/$group" >&2
    exit 1
fi

mkdir -p "$builddir/regress/$group"
if [ $# -eq 0 ]; then
    tests=
    for t in regress/$group/*.in; do
	tests="$tests `basename $t .in`"
    done
    set -- $tests
fi


while [ $# -ne 0 ]; do
    test="$1"
    shift
    in="regress/$group/${test}.in"
    out="$builddir/regress/$group/${test}.out"
    out_ok="regress/$group/${test}.out.ok"
    err="$builddir/regress/$group/${test}.err"
    err_ok="regress/$group/${test}.err.ok"

    if [ "$group" = "sudo_conf" ]; then
	$builddir/conf_test $in >$out 2>$err
    else
	$builddir/parseln_test <$in >$out 2>$err
    fi

    ntests=`expr $ntests + 1`
    if cmp $out $out_ok >/dev/null; then
	if [ $verbose -eq 1 ]; then
	    echo "$group/$test: OK"
	fi
    else
	errors=`expr $errors + 1`
	echo "$group/$test: FAIL"
	diff $out $out_ok || true
    fi

    ntests=`expr $ntests + 1`
    if test -s $err_ok; then
	if cmp $err $err_ok >/dev/null; then
	    if [ $verbose -eq 1 ]; then
		echo "$group/$test (stderr): OK"
	    fi
	else
	    errors=`expr $errors + 1`
	    echo "$group/$test (stderr): FAIL"
	    diff $err $err_ok || true
	fi
    elif test -s $err; then
	errors=`expr $errors + 1`
	echo "$group/$test (stderr): FAIL"
    fi
done
${AWK-awk} -v group=$group -v ntests=$ntests -v errors=$errors \
    'END {printf("%s: %d tests run, %d errors, %d%% success rate\n", group, ntests, errors, (ntests - errors) * 100 / ntests)}' < /dev/null
if test $errors -ne 0; then
    rval=`expr $rval + $errors`
fi

exit $rval