tests/lib/librumphijack/t_vfs.sh

   1 #       $NetBSD: t_vfs.sh,v 1.6 2012/08/04 03:56:47 riastradh Exp $
   2 #
   3 # Copyright (c) 2011 The NetBSD Foundation, Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25 # POSSIBILITY OF SUCH DAMAGE.
  26 #
  27
  28 img=ffs.img
  29 rumpsrv_ffs=\
  30 "rump_server -lrumpvfs -lrumpfs_ffs -lrumpdev_disk -d key=/img,hostpath=${img},size=host"
  31 export RUMP_SERVER=unix://csock
  32
  33 domount()
  34 {
  35
  36         mntdir=$1
  37         [ $# -eq 0 ] && mntdir=/rump/mnt
  38         atf_check -s exit:0 -e ignore mount_ffs /img ${mntdir}
  39 }
  40
  41 dounmount()
  42 {
  43
  44         atf_check -s exit:0 umount -R ${mntdir}
  45 }
  46
  47 remount()
  48 {
  49
  50         dounmount
  51         domount /rump/mnt2
  52 }
  53
  54 simpletest()
  55 {
  56         local name="${1}"; shift
  57
  58         atf_test_case "${name}" cleanup
  59         eval "${name}_head() {  }"
  60         eval "${name}_body() { \
  61                 atf_check -s exit:0 rump_server -lrumpvfs ${RUMP_SERVER} ; \
  62                 export LD_PRELOAD=/usr/lib/librumphijack.so ; \
  63                 ${name} " "${@}" "; \
  64         }"
  65         eval "${name}_cleanup() { \
  66                 rump.halt
  67         }"
  68 }
  69
  70 test_case()
  71 {
  72         local name="${1}"; shift
  73
  74         atf_test_case "${name}" cleanup
  75         eval "${name}_head() {  }"
  76         eval "${name}_body() { \
  77                 atf_check -s exit:0 -o ignore newfs -F -s 20000 ${img} ; \
  78                 atf_check -s exit:0 ${rumpsrv_ffs} ${RUMP_SERVER} ; \
  79                 export LD_PRELOAD=/usr/lib/librumphijack.so ; \
  80                 mkdir /rump/mnt /rump/mnt2 ; \
  81                 domount ; \
  82                 ${name} " "${@}" "; \
  83                 dounmount ${mntdir}
  84         }"
  85         eval "${name}_cleanup() { \
  86                 rump.halt
  87         }"
  88 }
  89
  90 test_case paxcopy
  91 test_case cpcopy
  92 test_case mv_nox
  93 test_case ln_nox
  94
  95 #
  96 # use rumphijack to cp/pax stuff onto an image, unmount it, remount it
  97 # at a different location, and check that we have an identical copy
  98 # (we make a local copy to avoid the minor possibility that someone
  99 # modifies the source dir data while the test is running)
 100 #
 101 paxcopy()
 102 {
 103         parent=$(dirname $(atf_get_srcdir))
 104         thedir=$(basename $(atf_get_srcdir))
 105         atf_check -s exit:0 pax -rw -s,${parent},, $(atf_get_srcdir) .
 106         atf_check -s exit:0 pax -rw ${thedir} /rump/mnt
 107         remount
 108         atf_check -s exit:0 diff -ru ${thedir} /rump/mnt2/${thedir}
 109 }
 110
 111 cpcopy()
 112 {
 113         thedir=$(basename $(atf_get_srcdir))
 114         atf_check -s exit:0 cp -Rp $(atf_get_srcdir) .
 115         atf_check -s exit:0 cp -Rp ${thedir} /rump/mnt
 116         remount
 117         atf_check -s exit:0 diff -ru ${thedir} /rump/mnt2/${thedir}
 118 }
 119
 120 #
 121 # non-crosskernel mv (non-simple test since this uses rename(2)
 122 # which is not supported by rumpfs)
 123 #
 124
 125 mv_nox()
 126 {
 127         # stat default format sans changetime and filename
 128         statstr='%d %i %Sp %l %Su %Sg %r %z \"%Sa\" \"%Sm\" \"%SB\" %k %b %#Xf'
 129
 130         atf_check -s exit:0 touch /rump/mnt/filename
 131         atf_check -s exit:0 -o save:stat.out \
 132             stat -f "${statstr}" /rump/mnt/filename
 133         atf_check -s exit:0 mkdir /rump/mnt/dir
 134         atf_check -s exit:0 mv /rump/mnt/filename /rump/mnt/dir/same
 135         atf_check -s exit:0 -o file:stat.out \
 136             stat -f "${statstr}" /rump/mnt/dir/same
 137 }
 138
 139 ln_nox()
 140 {
 141         # Omit st_nlink too, since it will increase.
 142         statstr='%d %i %Sp %Su %Sg %r %z \"%Sa\" \"%Sm\" \"%SB\" %k %b %#Xf'
 143
 144         atf_check -s exit:0 touch /rump/mnt/filename
 145         atf_check -s exit:0 -o save:stat.out \
 146             stat -f "${statstr}" /rump/mnt/filename
 147         atf_check -s exit:0 mkdir /rump/mnt/dir
 148         atf_check -s exit:0 ln /rump/mnt/filename /rump/mnt/dir/same
 149         atf_check -s exit:0 -o file:stat.out \
 150             stat -f "${statstr}" /rump/mnt/filename
 151         atf_check -s exit:0 -o file:stat.out \
 152             stat -f "${statstr}" /rump/mnt/dir/same
 153 }
 154
 155 simpletest mv_x
 156 simpletest ln_x
 157 simpletest runonprefix
 158 simpletest blanket
 159 simpletest doubleblanket
 160
 161 #
 162 # do a cross-kernel mv
 163 #
 164 mv_x()
 165 {
 166         thedir=$(basename $(atf_get_srcdir))
 167         atf_check -s exit:0 cp -Rp $(atf_get_srcdir) .
 168         atf_check -s exit:0 cp -Rp ${thedir} ${thedir}.2
 169         atf_check -s exit:0 mv ${thedir} /rump
 170         atf_check -s exit:0 diff -ru ${thedir}.2 /rump/${thedir}
 171 }
 172
 173 #
 174 # Fail to make a cross-kernel hard link.
 175 #
 176 ln_x()
 177 {
 178         atf_check -s exit:0 touch ./loser
 179         atf_check -s not-exit:0 -e ignore ln ./loser /rump/.
 180 }
 181
 182 runonprefix()
 183 {
 184         atf_check -s exit:0 -o ignore stat /rump/dev
 185         atf_check -s exit:1 -e ignore stat /rumpdev
 186 }
 187
 188 blanket()
 189 {
 190         export RUMPHIJACK='blanket=/dev,path=/rump'
 191         atf_check -s exit:0 -o save:stat.out \
 192             stat -f "${statstr}" /rump/dev/null
 193         atf_check -s exit:0 -o file:stat.out \
 194             stat -f "${statstr}" /dev/null
 195 }
 196
 197 doubleblanket()
 198 {
 199         atf_check -s exit:0 mkdir /rump/dir
 200         atf_check -s exit:0 ln -s dir /rump/dirtoo
 201
 202         export RUMPHIJACK='blanket=/dirtoo:/dir'
 203         atf_check -s exit:0 touch /dir/file
 204
 205         atf_check -s exit:0 -o save:stat.out \
 206             stat -f "${statstr}" /dir/file
 207         atf_check -s exit:0 -o file:stat.out \
 208             stat -f "${statstr}" /dirtoo/file
 209 }
 210
 211 atf_init_test_cases()
 212 {
 213
 214         atf_add_test_case paxcopy
 215         atf_add_test_case cpcopy
 216         atf_add_test_case mv_x
 217         atf_add_test_case ln_x
 218         atf_add_test_case mv_nox
 219         atf_add_test_case ln_nox
 220         atf_add_test_case runonprefix
 221         atf_add_test_case blanket
 222         atf_add_test_case doubleblanket
 223 }