tests/test-nbd-dynamic-content.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2019-2020 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 source ./functions.sh
  34 set -e
  35 set -x
  36
  37 # This test works with older libnbd, showing that dynamic mode affects
  38 # content.
  39 requires_plugin info
  40 requires nbdsh --version
  41
  42 # Because of macOS SIP misfeature the DYLD_* environment variable
  43 # added by libnbd/run is filtered out and the test won't work.  Skip
  44 # it entirely on Macs.
  45 requires_not test "$(uname)" = "Darwin"
  46
  47 sock1=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
  48 export sock2=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
  49 pid1="test-nbd-dynamic-content.pid1"
  50 pid2="test-nbd-dynamic-content.pid2"
  51 files="$sock1 $sock2 $pid1 $pid2"
  52 rm -f $files
  53 cleanup_fn rm -f $files
  54
  55 # Long-running info server, for content sensitive to export name
  56 start_nbdkit -P $pid1 -U $sock1 info exportname
  57
  58 # Long-running nbd bridge, which should pass export names through
  59 start_nbdkit -P $pid2 -U $sock2 nbd socket=$sock1 dynamic-export=true
  60
  61 long=$(printf %04096d 1)
  62 export e
  63 for e in "" "test" "/" "//" " " "/ " "?" "テスト" "-n" '\\' $'\n' "%%" "$long"
  64 do
  65   nbdsh -c '
  66 import os
  67
  68 e = os.environ["e"]
  69 h.set_export_name(e)
  70 h.connect_unix(os.environ["sock2"])
  71
  72 size = h.get_size()
  73 assert size == len(e.encode("utf-8"))
  74
  75 # Zero-sized reads are not defined in the NBD protocol.
  76 if size > 0:
  77    buf = h.pread(size, 0)
  78    assert buf == e.encode("utf-8")
  79 '
  80 done