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 if [ ! -r /dev/fuse ]; then
  12         echo "WARNING: /dev/fuse is not readable."
  13         echo "Skipping WIM mounting checks"
  14         exit 0
  15 fi
  16
  17 imagex() {
  18         echo "imagex $@"
  19         ../imagex $@  > /dev/null
  20 }
  21
  22 imagex_info() {
  23         echo "imagex info $@"
  24         ../imagex info "$@"
  25 }
  26
  27 imagex_mountrw() {
  28         echo "imagex mountrw $@"
  29         ../imagex mountrw "$@"
  30 }
  31
  32 cleanup() {
  33         fusermount -u tmp &> /dev/null || true
  34         fusermount -u tmp.mnt &> /dev/null || true
  35         rm -rf dir* tmp* *.wim *.swm empty.wim tmp.orig tmp.mnt \
  36                         tmp.apply mount.log test.tar wimlib-staging*
  37 }
  38 init() {
  39         mkdir dir
  40         cp $srcdir/src/*.c $srcdir/src/*.h dir
  41         mkdir dir/subdir
  42         echo 'hello' > dir/subdir/hello
  43         echo 'hello' > dir/subdir/hello2
  44         ln dir/subdir/hello dir/subdir/hellolink
  45         echo -n > dir/subdir/empty_file
  46         ln -s hello dir/subdir/rel_symlink
  47
  48         mkdir dir2
  49         echo 'testing' > dir2/file
  50         dd if=/dev/zero of=dir2/zeroes bs=4096 count=5
  51         mkdir tmp.empty tmp.mnt tmp.apply tmp.orig
  52         imagex capture tmp.empty empty.wim
  53 }
  54
  55 error() {
  56         echo "****************************************************************"
  57         echo "                         Test failure                           "
  58         while [ $# -gt 0 ]; do
  59                 echo $1
  60                 shift
  61         done
  62         echo "****************************************************************"
  63         exit 1
  64 }
  65
  66 cleanup
  67 init
  68
  69 # imagex mount
  70
  71 for flag in "--compress=none" "--compress=maximum" "--compress=fast"; do
  72         echo "Using flag $flag"
  73         echo "Testing mounting WIM read-only"
  74         if ! imagex capture dir dir.wim $flag; then
  75                 error "Failed to capture WIM"
  76         fi
  77         mkdir tmp
  78         if ! imagex mount dir.wim dir tmp; then
  79                 error "Failed to mount test WIM read-only" \
  80                       "Please read any error messages above before reporting this test failure."\
  81                       "Perhaps you don't have FUSE installed, or the FUSE kernel module isn't" \
  82                       "loaded, or you aren't a member of the FUSE group?"
  83         fi
  84         echo "Testing extracting file from mounted read-only WIM"
  85         if ! cp tmp/lz77.c lz77.c; then
  86                 error "Failed to extract file from read-only mounted WIM"
  87         fi
  88         if ! diff -q dir/lz77.c lz77.c; then
  89                 error "Extracted file does not match copy in mounted WIM"
  90         fi
  91         if ! diff -q tmp/lz77.c dir/lz77.c; then
  92                 error "Extractef file does not match original"
  93         fi
  94         rm -f lz77.c
  95         echo "Testing modifying mounted read-only WIM (should fail)"
  96         if rm tmp/lz77.c; then
  97                 error "Removing file from read-only mounted WIM didn't fail"
  98         fi
  99         if touch tmp/newfile; then
 100                 error "Creating file on read-only mounted WIM didn't fail"
 101         fi
 102         if echo 3 > tmp/lz77.c; then
 103                 error "Writing to file on read-only mounted WIM didn't fail"
 104         fi
 105         echo "Testing diff of mounted read-only WIM with original directory"
 106         if ! diff -q -r tmp dir; then
 107                 error "Recursive diff of read-only mounted WIM with original directory failed"
 108         fi
 109         echo "Testing unmount of read-only filesystem"
 110         if ! imagex unmount tmp; then
 111                 error "Unmounting read-only WIM failed"
 112         fi
 113         echo "Testing unmount of read-only filesystem with --commit given"
 114         if ! imagex mount dir.wim dir tmp; then
 115                 error "Failed to re-mount WIM read-only"
 116         fi
 117         if ! imagex unmount tmp --commit; then
 118                 error "Failed to unmount read-only WIM with --commit flag (should be ignored)"
 119         fi
 120         rm -rf tmp dir.wim
 121 done
 122
 123 # imagex mountrw
 124 echo "Testing mounting WIM read-write"
 125 if ! imagex capture dir dir.wim; then
 126         error "Failed to capture WIM"
 127 fi
 128 mkdir tmp
 129 if ! imagex mountrw dir.wim dir tmp; then
 130         error "Failed to mount test WIM read-write"
 131 fi
 132 echo "Testing unmounting WIM unmodified"
 133 if ! imagex unmount tmp; then
 134         error "Failed to unmount test WIM unmodified"
 135 fi
 136 echo "Testing unmounting WIM unmodified with --commit and --check"
 137 if ! imagex mountrw dir.wim dir tmp; then
 138         error "Failed to re-mount test WIM read-write"
 139 fi
 140 if ! imagex unmount tmp --commit --check; then
 141         error "Failed to unmount read-write mounted WIM with changes commited (no changes made)"
 142 fi
 143 echo "Testing removing file from mounted WIM"
 144 if ! imagex mountrw dir.wim dir tmp; then
 145         error "Failed to re-mount test WIM read-write"
 146 fi
 147 if ! rm tmp/lz77.c; then
 148         error "Failed to remove file from read-write mounted WIM"
 149 fi
 150 if test -f tmp/lz77.c; then
 151         error "Removing file from read-write mounted WIM failed"
 152 fi
 153 echo "Testing making directory in mounted WIM"
 154 if ! mkdir tmp/newdir; then
 155         error "Failed to make directory in read-write mounted WIM"
 156 fi
 157 if ! test -d tmp/newdir; then
 158         error "Making directory in read-write mounted WIM failed"
 159 fi
 160 echo "Testing making new empty file in mounted WIM"
 161 if ! touch tmp/newdir/empty_file; then
 162         error "Could not create new empty file in read-write mounted WIM"
 163 fi
 164 if ! test -f tmp/newdir/empty_file; then
 165         error "New empty file not created correctly in read-write mounted WIM"
 166 fi
 167 if ! test "`get_file_size tmp/newdir/empty_file`" = 0; then
 168         error "New empty file in read-write mounted WIM is not empty"
 169 fi
 170 echo "Testing making new non-empty file in mounted WIM"
 171 if ! dd if=/dev/zero of=tmp/newdir/zeroes1 bs=1 count=4096; then
 172         error "Failed to make new non-empty file in mounted WIM"
 173 fi
 174 if ! dd if=/dev/zero of=tmp/newdir/zeroes2 bs=4096 count=1; then
 175         error "Failed to make new non-empty file in mounted WIM"
 176 fi
 177 if ! diff -q tmp/newdir/zeroes1 tmp/newdir/zeroes2; then
 178         error "New files in mounted WIM not made correctly"
 179 fi
 180 echo "Unmounting WIM with changes committed and --check"
 181 if ! imagex unmount tmp --commit --check; then
 182         error "Failed to unmount read-write mounted WIM"
 183 fi
 184 if test "`imagex_info dir.wim | grep Integrity | awk '{print $3}'`" != "yes"; then
 185         error "Integrity information was not included"
 186 fi
 187 rm -rf tmp
 188 if ! imagex apply dir.wim tmp; then
 189         error "Failed to apply WIM we had previously mounted read-write"
 190 fi
 191 if ! diff -q tmp/newdir/zeroes1 tmp/newdir/zeroes2; then
 192         error "The new non-empty files we made in the read-write mounted WIM were not extracted correctly"
 193 fi
 194 if test `get_file_size tmp/newdir/empty_file` != 0; then
 195         error "The new empty file we made in the read-write mounted WIM was not extracted correctly"
 196 fi
 197 if test `get_file_size tmp/newdir/zeroes1` != 4096; then
 198         error "The new non-empty files we made in the read-write mounted WIM were not extracted correctly"
 199 fi
 200
 201 # Now do some tests using tar.
 202 do_tree_cmp() {
 203         if ! ./tree-cmp $1 $2; then
 204                 if [ -x /usr/bin/tree ]; then
 205                         echo "Dumping tree of applied image"
 206                         tree $2 --inodes -F -s --noreport
 207                         error 'Information was lost or corrupted while capturing
 208                                 and then applying a directory tree'
 209                 fi
 210         fi
 211 }
 212
 213 msg() {
 214         echo "--------------------------------------------------------------------"
 215         echo "Testing making $1 on read-write mounted WIM"
 216         echo "--------------------------------------------------------------------"
 217 }
 218
 219 do_test() {
 220
 221         # Create tree, tar it up, and untar it on an empty WIM image mounted
 222         # read-write
 223
 224         cp empty.wim test.wim
 225
 226         cd tmp.orig
 227         eval "$1"
 228         if [ -x /usr/bin/tree ]; then
 229                 tree . --inodes -F -s --noreport
 230         fi
 231         tar cf ../test.tar .
 232         cd ..
 233
 234         if ! imagex_mountrw test.wim tmp.mnt; then
 235                 error "Failed to mount WIM read-write"
 236         fi
 237
 238         cd tmp.mnt
 239         if ! tar xf ../test.tar --no-same-owner; then
 240                 error "Failed to untar archive on read-write mounted WIM"
 241         fi
 242         cd ..
 243
 244         # Diff the original tree with the mounted WIM
 245         do_tree_cmp tmp.orig tmp.mnt
 246
 247         # Clear the mounted WIM and do it again!  (We need to test deleting
 248         # stuff as well as creating stuff.)
 249         if ! rm -rf tmp.mnt/*; then
 250                 error "Failed to clear mounted WIM"
 251         fi
 252
 253         cd tmp.mnt
 254         if ! tar xf ../test.tar --no-same-owner; then
 255                 error "Failed to untar archive on read-write mounted WIM"
 256         fi
 257         cd ..
 258
 259         # Diff the original tree with the mounted WIM
 260         do_tree_cmp tmp.orig tmp.mnt
 261
 262         # Unmount the WIM, apply it, and diff the original tree with the applied
 263         # tree
 264         if ! imagex unmount tmp.mnt --commit; then
 265                 error "Failed to unmount WIM mounted read-write"
 266         fi
 267         if ! imagex apply test.wim tmp.apply; then
 268                 error "Failed to apply WIM we previously had mounted read-write"
 269         fi
 270         do_tree_cmp tmp.orig tmp.apply
 271         rm -rf tmp.orig/* tmp.apply/*
 272 }
 273
 274 . $srcdir/tests/common_tests.sh
 275
 276 cleanup
 277
 278 echo "**********************************************************"
 279 echo "                 WIM mount tests passed                   "
 280 echo "**********************************************************"