tests/test-eval-file.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2018-2020 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
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   8 #
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  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 # This is an example from the nbdkit-eval-plugin(1) manual page.
  34 # Check here that it doesn't regress.
  35
  36 source ./functions.sh
  37 set -e
  38 set -x
  39
  40 requires guestfish --version
  41 requires test -f disk
  42 requires dd iflag=count_bytes </dev/null
  43 requires $STAT --version
  44
  45 files="eval-file.img"
  46 rm -f $files
  47 cleanup_fn rm -f $files
  48
  49 cp disk eval-file.img
  50
  51 export STAT
  52 nbdkit -fv -U - eval \
  53        config='ln -sf "$(realpath "$3")" $tmpdir/file' \
  54        get_size='$STAT -Lc %s $tmpdir/file' \
  55        pread='dd if=$tmpdir/file skip=$4 count=$3 iflag=count_bytes,skip_bytes' \
  56        pwrite='dd of=$tmpdir/file seek=$4 conv=notrunc oflag=seek_bytes' \
  57        file=eval-file.img \
  58        --run '
  59     guestfish \
  60         add "" protocol:nbd server:unix:$unixsocket : \
  61         run : \
  62         mount /dev/sda1 / : \
  63         write /hello "hello,world" : \
  64         cat /hello : \
  65         fstrim /
  66 '