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