tests/fs/tmpfs/h_funcs.subr

   1 #!/bin/sh
   2 #
   3 # $NetBSD: h_funcs.subr,v 1.5 2013/03/17 01:16:45 jmmv 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 eq: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 eq:0 -o empty -e empty umount ${Mount_Point}
  64         atf_check -s eq: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 }