Create kyua atf tests to integrate with those in the base system

Makefile

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+# $FreeBSD$
+
+TESTSDIR=	${LOCALBASE}/tests/tcptestsuite
+ATF_TESTS_SH=	tcptestsuite_atf_test
+
+CLEANFILES+=	tcptestsuite_atf_test.sh
+
+tcptestsuite_atf_test.sh:
+	/bin/sh ${.CURDIR}/make_atf.sh >$@
+
+.include <bsd.test.mk>

make_atf.sh

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+#!/bin/sh
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2019 Dell Inc.
+#
+# Written by:  Eric van Gyzen <vangyzen@FreeBSD.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+tcptestsuite_path=/usr/local/share/tcptestsuite
+packetdrill_path=/usr/local/bin/packetdrill
+
+find . -type f -and -name '*.pkt' | sort | \
+    sed -e 's,^\./\(.*\)\.pkt$,\1,' > all_tests
+
+while read Torig; do
+	Tunder=$(basename $Torig | tr - _)
+	cat <<-EOF
+	atf_test_case $Tunder
+	${Tunder}_head() {
+	    atf_set timeout 10
+	}
+	${Tunder}_body() {
+	    atf_require_prog ${packetdrill_path}
+	    atf_check -o ignore ${packetdrill_path} \
+	        ${tcptestsuite_path}/${Torig}.pkt
+	}
+
+EOF
+done < all_tests
+
+echo 'atf_init_test_cases() {'
+while read Torig; do
+	Tunder=$(basename $Torig | tr - _)
+	echo "	atf_add_test_case ${Tunder}"
+done < all_tests
+echo '}'
+
+rm all_tests