wimlib.net Git - wimlib/blob - tests/test-imagex-mount

   1 #!/usr/bin/env bash
   2
   3 # Test WIM mounting
   4
   5 set -e
   6 cd tests
   7 srcdir="${srcdir:-.}/.."
   8 srcdir="$(cd $srcdir; pwd)"
   9 . "$srcdir/tests/tests-common.sh"
  10
  11 TEST_SUBDIR=tmpdir_test-imagex-mount
  12
  13 if [ ! -r /dev/fuse ]; then
  14         echo "WARNING: /dev/fuse is not readable."
  15         echo "Skipping WIM mounting checks"
  16         exit 0
  17 fi
  18
  19 imagex_unmount() {
  20         # Give the --lazy flag to work around a problem testing on Ubuntu and
  21         # other OS's running Gnome, as they have a daemon
  22         # "gvfs-gdu-volume-monitor" that apparently likes to randomly read
  23         # filesystems that get mounted, thereby stopping them from being
  24         # unmounted.
  25         imagex unmount "$@" --lazy
  26 }
  27
  28 cleanup() {
  29         fusermount -u $TEST_SUBDIR/tmp &> /dev/null || true
  30         fusermount -u $TEST_SUBDIR/tmp.mnt &> /dev/null || true
  31         rm -rf $TEST_SUBDIR
  32 }
  33
  34 init() {
  35         mkdir dir
  36         cp $srcdir/src/*.c dir
  37         mkdir dir/subdir
  38         echo 'hello' > dir/subdir/hello
  39         echo 'hello' > dir/subdir/hello2
  40         ln dir/subdir/hello dir/subdir/hellolink
  41         echo -n > dir/subdir/empty_file
  42         ln -s hello dir/subdir/rel_symlink
  43
  44         mkdir dir2
  45         echo 'testing' > dir2/file
  46         dd if=/dev/zero of=dir2/zeroes bs=4096 count=5
  47         mkdir tmp.empty tmp.mnt tmp.apply tmp.orig
  48         imagex capture tmp.empty empty.wim --norpfix
  49 }
  50
  51 cleanup
  52 mkdir $TEST_SUBDIR
  53 cd $TEST_SUBDIR
  54 init
  55
  56 # imagex mount
  57
  58 for flag in "--compress=none" "--compress=maximum" "--compress=fast"; do
  59         echo "Using flag $flag"
  60         echo "Testing mounting WIM read-only"
  61         if ! imagex capture dir dir.wim $flag; then
  62                 error "Failed to capture WIM"
  63         fi
  64         mkdir tmp
  65         if ! imagex mount dir.wim dir tmp; then
  66                 error "Failed to mount test WIM read-only. " \
  67                       "Please read any error messages above before reporting this test failure. "\
  68                       "Perhaps you don't have FUSE installed, or the FUSE kernel module isn't" \
  69                       "loaded, or you aren't a member of the FUSE group?"
  70         fi
  71         echo "Testing extracting file from mounted read-only WIM"
  72         if ! cp tmp/lz77.c lz77.c; then
  73                 error "Failed to extract file from read-only mounted WIM"
  74         fi
  75         if ! diff -q dir/lz77.c lz77.c; then
  76                 error "Extracted file does not match copy in mounted WIM"
  77         fi
  78         if ! diff -q tmp/lz77.c dir/lz77.c; then
  79                 error "Extractef file does not match original"
  80         fi
  81         rm -f lz77.c
  82         echo "Testing modifying mounted read-only WIM (should fail)"
  83         if rm tmp/lz77.c; then
  84                 error "Removing file from read-only mounted WIM didn't fail"
  85         fi
  86         if touch tmp/newfile; then
  87                 error "Creating file on read-only mounted WIM didn't fail"
  88         fi
  89         if echo 3 > tmp/lz77.c; then
  90                 error "Writing to file on read-only mounted WIM didn't fail"
  91         fi
  92         echo "Testing diff of mounted read-only WIM with original directory"
  93         if ! diff -q -r tmp dir; then
  94                 error "Recursive diff of read-only mounted WIM with original directory failed"
  95         fi
  96         echo "Testing unmount of read-only filesystem"
  97         if ! imagex_unmount tmp; then
  98                 error "Unmounting read-only WIM failed"
  99         fi
 100         echo "Testing unmount of read-only filesystem with --commit given"
 101         if ! imagex mount dir.wim dir tmp; then
 102                 error "Failed to re-mount WIM read-only"
 103         fi
 104         if ! imagex_unmount tmp --commit; then
 105                 error "Failed to unmount read-only WIM with --commit flag (should be ignored)"
 106         fi
 107         rm -rf tmp dir.wim
 108 done
 109
 110 # imagex mountrw
 111 echo "Testing mounting WIM read-write"
 112 if ! imagex capture dir dir.wim; then
 113         error "Failed to capture WIM"
 114 fi
 115 mkdir tmp
 116 if ! imagex mountrw dir.wim dir tmp; then
 117         error "Failed to mount test WIM read-write"
 118 fi
 119 echo "Testing unmounting WIM unmodified"
 120 if ! imagex_unmount tmp; then
 121         error "Failed to unmount test WIM unmodified"
 122 fi
 123 echo "Testing unmounting WIM unmodified with --commit and --check"
 124 if ! imagex mountrw dir.wim dir tmp; then
 125         error "Failed to re-mount test WIM read-write"
 126 fi
 127 if ! imagex_unmount tmp --commit --check; then
 128         error "Failed to unmount read-write mounted WIM with changes commited (no changes made)"
 129 fi
 130 echo "Testing removing file from mounted WIM"
 131 if ! imagex mountrw dir.wim dir tmp; then
 132         error "Failed to re-mount test WIM read-write"
 133 fi
 134 if ! rm tmp/lz77.c; then
 135         error "Failed to remove file from read-write mounted WIM"
 136 fi
 137 if test -f tmp/lz77.c; then
 138         error "Removing file from read-write mounted WIM failed"
 139 fi
 140 echo "Testing making directory in mounted WIM"
 141 if ! mkdir tmp/newdir; then
 142         error "Failed to make directory in read-write mounted WIM"
 143 fi
 144 if ! test -d tmp/newdir; then
 145         error "Making directory in read-write mounted WIM failed"
 146 fi
 147 echo "Testing making new empty file in mounted WIM"
 148 if ! touch tmp/newdir/empty_file; then
 149         error "Could not create new empty file in read-write mounted WIM"
 150 fi
 151 if ! test -f tmp/newdir/empty_file; then
 152         error "New empty file not created correctly in read-write mounted WIM"
 153 fi
 154 if ! test "`get_file_size tmp/newdir/empty_file`" = 0; then
 155         error "New empty file in read-write mounted WIM is not empty"
 156 fi
 157 echo "Testing making new non-empty file in mounted WIM"
 158 if ! dd if=/dev/zero of=tmp/newdir/zeroes1 bs=1 count=4096; then
 159         error "Failed to make new non-empty file in mounted WIM"
 160 fi
 161 if ! dd if=/dev/zero of=tmp/newdir/zeroes2 bs=4096 count=1; then
 162         error "Failed to make new non-empty file in mounted WIM"
 163 fi
 164 if ! diff -q tmp/newdir/zeroes1 tmp/newdir/zeroes2; then
 165         error "New files in mounted WIM not made correctly"
 166 fi
 167 echo "Unmounting WIM with changes committed and --check"
 168 if ! imagex_unmount tmp --commit --check; then
 169         error "Failed to unmount read-write mounted WIM"
 170 fi
 171 if test "`imagex info dir.wim | grep Integrity | awk '{print $3}'`" != "yes"; then
 172         error "Integrity information was not included"
 173 fi
 174 rm -rf tmp
 175 if ! imagex apply dir.wim tmp; then
 176         error "Failed to apply WIM we had previously mounted read-write"
 177 fi
 178 if ! diff -q tmp/newdir/zeroes1 tmp/newdir/zeroes2; then
 179         error "The new non-empty files we made in the read-write mounted WIM were not extracted correctly"
 180 fi
 181 if test `get_file_size tmp/newdir/empty_file` != 0; then
 182         error "The new empty file we made in the read-write mounted WIM was not extracted correctly"
 183 fi
 184 if test `get_file_size tmp/newdir/zeroes1` != 4096; then
 185         error "The new non-empty files we made in the read-write mounted WIM were not extracted correctly"
 186 fi
 187
 188 # Now do some tests using tar.
 189 do_tree_cmp() {
 190         if ! ../tree-cmp $1 $2; then
 191                 if [ -x /usr/bin/tree ]; then
 192                         echo "Dumping tree of applied image"
 193                         tree $2 --inodes -F -s --noreport
 194                         error 'Information was lost or corrupted while capturing
 195                                 and then applying a directory tree'
 196                 fi
 197         fi
 198 }
 199
 200 msg() {
 201         echo "--------------------------------------------------------------------"
 202         echo "Testing making $1 on read-write mounted WIM"
 203         echo "--------------------------------------------------------------------"
 204 }
 205
 206 do_test() {
 207
 208         # Create tree, tar it up, and untar it on an empty WIM image mounted
 209         # read-write
 210
 211         cp empty.wim test.wim
 212
 213         cd tmp.orig
 214         eval "$1"
 215         if [ -x /usr/bin/tree ]; then
 216                 tree . --inodes -F -s --noreport
 217         fi
 218         tar cf ../test.tar .
 219         cd ..
 220
 221         if ! imagex mountrw test.wim tmp.mnt --unix-data; then
 222                 error "Failed to mount WIM read-write"
 223         fi
 224
 225         cd tmp.mnt
 226         if ! tar xf ../test.tar; then
 227                 error "Failed to untar archive on read-write mounted WIM"
 228         fi
 229         cd ..
 230
 231         # Diff the original tree with the mounted WIM
 232         do_tree_cmp tmp.orig tmp.mnt
 233
 234         # Clear the mounted WIM and do it again!  (We need to test deleting
 235         # stuff as well as creating stuff.)
 236         if ! rm -rf tmp.mnt/*; then
 237                 error "Failed to clear mounted WIM"
 238         fi
 239
 240         cd tmp.mnt
 241         if ! tar xf ../test.tar; then
 242                 error "Failed to untar archive on read-write mounted WIM"
 243         fi
 244         cd ..
 245
 246         # Diff the original tree with the mounted WIM
 247         do_tree_cmp tmp.orig tmp.mnt
 248
 249         # Unmount the WIM, apply it, and diff the original tree with the applied
 250         # tree
 251         if ! imagex_unmount tmp.mnt --commit; then
 252                 error "Failed to unmount WIM mounted read-write"
 253         fi
 254         if ! imagex apply test.wim tmp.apply; then
 255                 error "Failed to apply WIM we previously had mounted read-write"
 256         fi
 257         do_tree_cmp tmp.orig tmp.apply
 258         rm -rf tmp.orig/* tmp.apply/*
 259 }
 260
 261 . $srcdir/tests/common_tests.sh
 262
 263
 264 echo "**********************************************************"
 265 echo "                 WIM mount tests passed                   "
 266 echo "**********************************************************"
 267
 268 cd ..
 269 cleanup