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 mkfifo --version
  40
  41 sock=`mktemp -u`
  42 d=linuxdisk.d
  43 rm -rf $d
  44 cleanup_fn rm -rf $d
  45 cleanup_fn rm -f $sock
  46
  47 # Create a test directory with some regular files, subdirectories and
  48 # special files.
  49 mkdir $d
  50 mkfifo $d/fifo
  51 mkdir $d/sub
  52 cp $srcdir/Makefile.am $d/sub/Makefile.am
  53 ln $d/sub/Makefile.am $d/sub/hardlink
  54 ln -s $d/sub/Makefile.am $d/sub/symlink
  55
  56 # It would be nice to use the Unix domain socket to test that the
  57 # socket gets created, but in fact that won't work because this socket
  58 # isn't created until after the plugin creates the virtual disk.
  59 start_nbdkit -P $d/linuxdisk.pid \
  60              -U $sock \
  61              linuxdisk $d
  62
  63 # Check the disk content.
  64 guestfish --ro --format=raw -a "nbd://?socket=$sock" -m /dev/sda1 <<EOF
  65   ll /
  66   ll /sub
  67
  68 # Check regular files exist.
  69   is-file /sub/Makefile.am
  70   is-file /sub/hardlink
  71 # XXX Test sparse files in future.
  72
  73 # Check the specials exist.
  74   is-fifo /fifo
  75   is-symlink /sub/symlink
  76 # XXX Test sockets, etc. in future.
  77
  78 # Check hard linked files.
  79   lstatns /sub/Makefile.am | cat > $d/nlink.1
  80   lstatns /sub/hardlink | cat > $d/nlink.2
  81
  82 # This reads out all the directory entries and all file contents.
  83   tar-out / - | cat >/dev/null
  84
  85 # Download file and compare to local copy.
  86   download /sub/Makefile.am $d/Makefile.am
  87 EOF
  88
  89 # Check the two hard linked files have st_nlink == 2.
  90 grep "st_nlink: 2" $d/nlink.1
  91 grep "st_nlink: 2" $d/nlink.2
  92
  93 # Compare downloaded file to local version.
  94 cmp $d/Makefile.am $srcdir/Makefile.am