tests/test-debug-flags.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2018 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 nbdkit -D option.
  34
  35 source ./functions.sh
  36 set -x
  37
  38 requires_plugin example2
  39 requires_run
  40 requires_nbdinfo
  41 requires test -f disk
  42
  43 export LANG=C
  44
  45 files=debug-flags.out
  46 rm -f $files
  47 cleanup_fn rm -f $files
  48
  49 # This should work and show the "extra debugging" line in debug output.
  50 nbdkit -U - -f -v -D example2.extra=1 example2 file=disk \
  51        --run 'nbdinfo "$uri"' 2>debug-flags.out
  52 cat debug-flags.out
  53 if ! grep -sq 'extra debugging:' debug-flags.out ; then
  54     echo "$0: expected to see extra debugging output"
  55     exit 1
  56 fi
  57
  58 # Now test various expected failures.
  59
  60 expected_failure ()
  61 {
  62     echo "expected previous nbdkit command to fail, but it did not"
  63     exit 1
  64 }
  65
  66 check_error ()
  67 {
  68     cat debug-flags.out
  69     if ! grep -sq "$1" debug-flags.out; then
  70         echo "$0: expected error message not present in above output: '$1'"
  71         exit 1
  72     fi
  73 }
  74
  75 check_warning ()
  76 {
  77     cat debug-flags.out
  78     if ! grep -sq "warning.*$1" debug-flags.out; then
  79         echo "$0: expected warning message not present in above output: '$1'"
  80         exit 1
  81     fi
  82 }
  83
  84 # This is expected to fail because we didn't set the file= parameter,
  85 # but it should not fail because of the debug flag.
  86 nbdkit -U - -f -D example2.extra=1 example2 2>debug-flags.out && expected_failure
  87 check_error "you must supply the file="
  88
  89 # This should fail because we didn't set the file= parameter, but it
  90 # should also print a warning about the unknown -D flag.
  91 nbdkit -U - -f -D example2.unknown=1 example2 2>debug-flags.out && expected_failure
  92 check_error "you must supply the file="
  93 check_warning "does not contain a global variable called example2_debug_unknown"
  94
  95 # This should fail because we didn't set the file= parameter, but it
  96 # should also print a warning because the -D flag is unused.
  97 nbdkit -U - -f -D example1.foo=1 example2 2>debug-flags.out && expected_failure
  98 check_error "you must supply the file="
  99 check_warning "was not used"
 100
 101 # These should fail because the -D flag has a bad format.
 102 nbdkit -U - -f -D = example2 2>debug-flags.out && expected_failure
 103 check_error "must have the format"
 104 nbdkit -U - -f -D . example2 2>debug-flags.out && expected_failure
 105 check_error "must have the format"
 106 nbdkit -U - -f -D =. example2 2>debug-flags.out && expected_failure
 107 check_error "must have the format"
 108 nbdkit -U - -f -D .= example2 2>debug-flags.out && expected_failure
 109 check_error "must have the format"
 110 nbdkit -U - -f -D .extra=1 example2 2>debug-flags.out && expected_failure
 111 check_error "must have the format"
 112 nbdkit -U - -f -D example2.=1 example2 2>debug-flags.out && expected_failure
 113 check_error "must have the format"
 114 nbdkit -U - -f -D example2.extra= example2 2>debug-flags.out && expected_failure
 115 check_error "must have the format"