tests/test-data-sectors.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
   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 an example from the manual.  Several files of different sizes
  34 # are included, but the final disk must have everything
  35 # sector-aligned.
  36
  37 source ./functions.sh
  38 set -e
  39 set -x
  40
  41 requires_nbdsh_uri
  42 requires $TRUNCATE --version
  43
  44 sock=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
  45 files="data-sectors.pid sector1 sector2 sector3 $sock"
  46 rm -f $files
  47 cleanup_fn rm -f $files
  48
  49 printf "1" > sector1
  50 printf "2" > sector2
  51 $TRUNCATE -s 1024 sector2
  52 printf "3" > sector3
  53 $TRUNCATE -s 513 sector3
  54
  55 # Run nbdkit.
  56 start_nbdkit -P data-sectors.pid -U $sock \
  57        data '<sector1 @^512 <sector2 @^512 <sector3 @^512'
  58
  59 nbdsh --connect "nbd+unix://?socket=$sock" \
  60       -c '
  61 assert h.get_size() == 512 + 1024 + 1024
  62 buf = h.pread(h.get_size(), 0)
  63 print("%r" % buf)
  64 assert buf[0] == 0x31
  65 assert buf[512] == 0x32
  66 assert buf[1536] == 0x33
  67 '