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