tests/qemu-iotests/089

   1 #!/usr/bin/env bash
   2 #
   3 # Test case for support of JSON filenames
   4 #
   5 # Copyright (C) 2014 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=mreitz@redhat.com
  23
  24 seq="$(basename $0)"
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31         _cleanup_test_img
  32 }
  33 trap "_cleanup; exit \$status" 0 1 2 3 15
  34
  35 # get standard environment, filters and checks
  36 . ./common.rc
  37 . ./common.filter
  38
  39 _supported_fmt qcow2
  40 _supported_proto file
  41 # Because anything other than 16 would change the output of qemu_io -c info
  42 _unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'
  43
  44 # Using an image filename containing quotation marks will render the JSON data
  45 # below invalid. In that case, we have little choice but simply not to run this
  46 # test.
  47 case $TEST_IMG in
  48     *'"'*)
  49         _notrun "image filename may not contain quotation marks"
  50         ;;
  51 esac
  52
  53 IMG_SIZE=64M
  54
  55 # Taken from test 072
  56 echo
  57 echo "=== Testing nested image formats ==="
  58 echo
  59
  60 TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
  61
  62 $QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
  63          -c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
  64
  65 $QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
  66
  67 $QEMU_IO_PROG --cache $CACHEMODE --aio $AIOMODE \
  68          -c 'read -P 42 0 512' -c 'read -P 23 512 512' \
  69          -c 'read -P 66 1024 512' "json:{
  70     \"driver\": \"$IMGFMT\",
  71     \"file\": {
  72         \"driver\": \"$IMGFMT\",
  73         \"file\": {
  74             \"filename\": \"$TEST_IMG\"
  75         }
  76     }
  77 }" | _filter_qemu_io
  78
  79 # This should fail (see test 072)
  80 $QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
  81
  82
  83 echo
  84 echo "=== Testing correct handling of 'backing':null ==="
  85 echo
  86
  87 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT $IMG_SIZE
  88
  89 # This should read 42
  90 $QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
  91
  92 # This should read 0
  93 $QEMU_IO -c 'read -P 0 0 512' "json:{\
  94     'driver': '$IMGFMT',
  95     'file': {
  96         'driver': 'file',
  97         'filename': '$TEST_IMG'
  98     },
  99     'backing': null
 100 }" | _filter_qemu_io
 101
 102
 103 # Taken from test 071
 104 echo
 105 echo "=== Testing blkdebug ==="
 106 echo
 107
 108 _make_test_img $IMG_SIZE
 109
 110 $QEMU_IO -c 'write -P 42 0x38000 512' "$TEST_IMG" | _filter_qemu_io
 111
 112 # The "image.filename" part tests whether "a": { "b": "c" } and "a.b": "c" do
 113 # the same (which they should).
 114 $QEMU_IO_PROG --cache $CACHEMODE --aio $AIOMODE  \
 115      -c 'read -P 42 0x38000 512' "json:{
 116     \"driver\": \"$IMGFMT\",
 117     \"file\": {
 118         \"driver\": \"blkdebug\",
 119         \"inject-error\": [{
 120             \"event\": \"l2_load\"
 121         }],
 122         \"image.filename\": \"$TEST_IMG\"
 123     }
 124 }" | _filter_qemu_io
 125
 126
 127 echo
 128 echo "=== Testing qemu-img info output ==="
 129 echo
 130
 131 TEST_IMG="json:{\"driver\":\"qcow2\",\"file.filename\":\"$TEST_IMG\"}" _img_info
 132
 133
 134 echo
 135 echo "=== Testing option merging ==="
 136 echo
 137
 138 # Both options given directly and those given in the filename should be used
 139 $QEMU_IO -c "open -o driver=qcow2 json:{\"file.filename\":\"$TEST_IMG\"}" \
 140          -c "info" 2>&1 | _filter_img_info
 141
 142 # Options given directly should be prioritized over those given in the filename
 143 $QEMU_IO -c "open -o driver=qcow2 json:{\"driver\":\"raw\",\"file.filename\":\"$TEST_IMG\"}" \
 144          -c "info" 2>&1 | _filter_img_info
 145
 146
 147 # success, all done
 148 echo "*** done"
 149 rm -f $seq.full
 150 status=0