tests/test-linuxdisk.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2018-2019 Red Hat Inc.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met:
   8 #
   9 # * Redistributions of source code must retain the above copyright
  10 # notice, this list of conditions and the following disclaimer.
  11 #
  12 # * Redistributions in binary form must reproduce the above copyright
  13 # notice, this list of conditions and the following disclaimer in the
  14 # documentation and/or other materials provided with the distribution.
  15 #
  16 # * Neither the name of Red Hat nor the names of its contributors may be
  17 # used to endorse or promote products derived from this software without
  18 # specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  24 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  29 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  30 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31 # SUCH DAMAGE.
  32
  33 # Test the linuxdisk plugin.
  34
  35 source ./functions.sh
  36 set -e
  37 set -x
  38
  39 requires guestfish --version
  40 requires mkfifo --version
  41
  42 sock=`mktemp -u`
  43 d=linuxdisk.d
  44 rm -rf $d
  45 cleanup_fn rm -rf $d
  46 cleanup_fn rm -f $sock
  47
  48 # Create a test directory with some regular files, subdirectories and
  49 # special files.
  50 mkdir $d
  51 mkfifo $d/fifo
  52 mkdir $d/sub
  53 cp $srcdir/Makefile.am $d/sub/Makefile.am
  54 ln $d/sub/Makefile.am $d/sub/hardlink
  55 ln -s $d/sub/Makefile.am $d/sub/symlink
  56
  57 # It would be nice to use the Unix domain socket to test that the
  58 # socket gets created, but in fact that won't work because this socket
  59 # isn't created until after the plugin creates the virtual disk.
  60 start_nbdkit -P $d/linuxdisk.pid \
  61              -U $sock \
  62              linuxdisk $d
  63
  64 # Check the disk content.
  65 guestfish --ro --format=raw -a "nbd://?socket=$sock" -m /dev/sda1 <<EOF
  66   ll /
  67   ll /sub
  68
  69 # Check regular files exist.
  70   is-file /sub/Makefile.am
  71   is-file /sub/hardlink
  72 # XXX Test sparse files in future.
  73
  74 # Check the specials exist.
  75   is-fifo /fifo
  76   is-symlink /sub/symlink
  77 # XXX Test sockets, etc. in future.
  78
  79 # Check hard linked files.
  80   lstatns /sub/Makefile.am | cat > $d/nlink.1
  81   lstatns /sub/hardlink | cat > $d/nlink.2
  82
  83 # This reads out all the directory entries and all file contents.
  84   tar-out / - | cat >/dev/null
  85
  86 # Download file and compare to local copy.
  87   download /sub/Makefile.am $d/Makefile.am
  88 EOF
  89
  90 # Check the two hard linked files have st_nlink == 2.
  91 grep "st_nlink: 2" $d/nlink.1
  92 grep "st_nlink: 2" $d/nlink.2
  93
  94 # Compare downloaded file to local version.
  95 cmp $d/Makefile.am $srcdir/Makefile.am