tests/test-single-sh.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 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 requires_single_mode
  38 requires nbdsh --version
  39 requires dd iflag=count_bytes </dev/null
  40
  41 files="single-sh.script single-sh.log"
  42 rm -f $files
  43
  44 cleanup_fn rm -f $files
  45
  46 fail=0
  47 # Inline scripts are incompatible with -s
  48 if nbdkit -s sh - >/dev/null <<EOF
  49 echo "oops: should not have run '$@'" >>single-sh.log
  50 EOF
  51 then
  52     echo "$0: failed to diagnose -s vs. 'sh -'"
  53     fail=1
  54 fi
  55 if test -f single-sh.log; then
  56     echo "$0: script unexpectedly ran"
  57     cat single-sh.log
  58     fail=1
  59 fi
  60
  61 cat >single-sh.script <<\EOF
  62 case $1 in
  63   get_size) echo 1m ;;
  64   pread) dd if=/dev/zero count=$3 iflag=count_bytes ;;
  65   *) exit 2 ;;
  66 esac
  67 EOF
  68 chmod +x single-sh.script
  69
  70 # The sh plugin sets up pipes to handle stdin/out per each run of the
  71 # script, but this is not incompatible with using -s for the client
  72 nbdsh -c '
  73 h.connect_command(["nbdkit", "-s", "sh", "single-sh.script"])
  74 assert h.get_size() == 1024 * 1024
  75 buf1 = h.pread(512, 0)
  76 buf2 = bytearray(512)
  77 assert buf1 == buf2
  78 '
  79
  80 exit $fail