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