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      1 #!/bin/sh
      2 #
      3 # $NetBSD: h_funcs.subr,v 1.6 2024/04/28 07:27:41 rillig Exp $
      4 #
      5 # Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
      6 # All rights reserved.
      7 #
      8 # Redistribution and use in source and binary forms, with or without
      9 # modification, are permitted provided that the following conditions
     10 # are met:
     11 # 1. Redistributions of source code must retain the above copyright
     12 #    notice, this list of conditions and the following disclaimer.
     13 # 2. Redistributions in binary form must reproduce the above copyright
     14 #    notice, this list of conditions and the following disclaimer in the
     15 #    documentation and/or other materials provided with the distribution.
     16 #
     17 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     18 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     19 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     21 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27 # POSSIBILITY OF SUCH DAMAGE.
     28 #
     29 
     30 Mount_Point=
     31 
     32 #
     33 # test_mount [args]
     34 #
     35 #	Mounts tmpfs over ${Mount_Point} and changes the current directory
     36 #	to the mount point.  Optional arguments may be passed to the
     37 #	mount command.
     38 #
     39 test_mount() {
     40 	require_fs tmpfs
     41 
     42 	Mount_Point=$(pwd)/mntpt
     43 	atf_check -s exit:0 -o empty -e empty mkdir "${Mount_Point}"
     44 	echo "mount -t tmpfs ${*} tmpfs ${Mount_Point}"
     45 	mount -t tmpfs "${@}" tmpfs "${Mount_Point}" 2>mounterr
     46 	if [ "${?}" -ne 0 ]; then
     47 		cat mounterr 1>&2
     48 		if grep 'Operation not supported' mounterr > /dev/null; then
     49 			atf_skip "tmpfs not supported"
     50 		fi 
     51 		atf_fail "Failed to mount a tmpfs file system"
     52 	fi
     53 	cd "${Mount_Point}"
     54 }
     55 
     56 #
     57 # test_unmount
     58 #
     59 #	Unmounts the file system mounted by test_mount.
     60 #
     61 test_unmount() {
     62 	cd - >/dev/null
     63 	atf_check -s exit:0 -o empty -e empty umount ${Mount_Point}
     64 	atf_check -s exit:0 -o empty -e empty rmdir ${Mount_Point}
     65 	Mount_Point=
     66 }
     67 
     68 #
     69 # kqueue_monitor expected_nevents file1 [.. fileN]
     70 #
     71 #	Monitors the commands given through stdin (one per line) using
     72 #	kqueue and stores the events raised in a log that can be later
     73 #	verified with kqueue_check.
     74 #
     75 kqueue_monitor() {
     76 	nev=${1}; shift
     77 	echo "Running kqueue-monitored commands and expecting" \
     78 	    "${nev} events"
     79 	$(atf_get_srcdir)/h_tools kqueue ${*} >kqueue.log || \
     80 	    atf_fail "Could not launch kqueue monitor"
     81 	got=$(wc -l kqueue.log | awk '{ print $1 }')
     82 	test ${got} -eq ${nev} || \
     83 	    atf_fail "Got ${got} events but expected ${nev}"
     84 }
     85 
     86 #
     87 # kqueue_check file event
     88 #
     89 #	Checks if kqueue raised the given event when monitoring the
     90 #	given file.
     91 #
     92 kqueue_check() {
     93 	echo "Checking if ${1} received ${2}"
     94 	grep "^${1} - ${2}$" kqueue.log >/dev/null || \
     95 	    atf_fail "${1} did not receive ${2}"
     96 }
     97