tests/qemu-iotests/089

   1 #!/bin/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 $seq"
  26
  27 here="$PWD"
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt qcow2
  41 _supported_proto file
  42 _supported_os Linux
  43 # Because anything other than 16 would change the output of qemu_io -c info
  44 _unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'
  45
  46 # Using an image filename containing quotation marks will render the JSON data
  47 # below invalid. In that case, we have little choice but simply not to run this
  48 # test.
  49 case $TEST_IMG in
  50     *'"'*)
  51         _notrun "image filename may not contain quotation marks"
  52         ;;
  53 esac
  54
  55 IMG_SIZE=64M
  56
  57 # Taken from test 072
  58 echo
  59 echo "=== Testing nested image formats ==="
  60 echo
  61
  62 TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
  63
  64 $QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
  65          -c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
  66
  67 $QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
  68
  69 $QEMU_IO_PROG --cache $CACHEMODE \
  70          -c 'read -P 42 0 512' -c 'read -P 23 512 512' \
  71          -c 'read -P 66 1024 512' "json:{
  72     \"driver\": \"$IMGFMT\",
  73     \"file\": {
  74         \"driver\": \"$IMGFMT\",
  75         \"file\": {
  76             \"filename\": \"$TEST_IMG\"
  77         }
  78     }
  79 }" | _filter_qemu_io
  80
  81 # This should fail (see test 072)
  82 $QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
  83
  84
  85 echo
  86 echo "=== Testing correct handling of 'backing':null ==="
  87 echo
  88
  89 _make_test_img -b "$TEST_IMG.base" $IMG_SIZE
  90
  91 # This should read 42
  92 $QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
  93
  94 # This should read 0
  95 $QEMU_IO -c 'read -P 0 0 512' "json:{\
  96     'driver': '$IMGFMT',
  97     'file': {
  98         'driver': 'file',
  99         'filename': '$TEST_IMG'
 100     },
 101     'backing': null
 102 }" | _filter_qemu_io
 103
 104
 105 # Taken from test 071
 106 echo
 107 echo "=== Testing blkdebug ==="
 108 echo
 109
 110 _make_test_img $IMG_SIZE
 111
 112 $QEMU_IO -c 'write -P 42 0x38000 512' "$TEST_IMG" | _filter_qemu_io
 113
 114 # The "image.filename" part tests whether "a": { "b": "c" } and "a.b": "c" do
 115 # the same (which they should).
 116 $QEMU_IO_PROG --cache $CACHEMODE \
 117      -c 'read -P 42 0x38000 512' "json:{
 118     \"driver\": \"$IMGFMT\",
 119     \"file\": {
 120         \"driver\": \"blkdebug\",
 121         \"inject-error\": [{
 122             \"event\": \"l2_load\"
 123         }],
 124         \"image.filename\": \"$TEST_IMG\"
 125     }
 126 }" | _filter_qemu_io
 127
 128
 129 echo
 130 echo "=== Testing qemu-img info output ==="
 131 echo
 132
 133 TEST_IMG="json:{\"driver\":\"qcow2\",\"file.filename\":\"$TEST_IMG\"}" _img_info
 134
 135
 136 echo
 137 echo "=== Testing option merging ==="
 138 echo
 139
 140 # Both options given directly and those given in the filename should be used
 141 $QEMU_IO -c "open -o driver=qcow2 json:{\"file.filename\":\"$TEST_IMG\"}" \
 142          -c "info" 2>&1 | _filter_img_info
 143
 144 # Options given directly should be prioritized over those given in the filename
 145 $QEMU_IO -c "open -o driver=qcow2 json:{\"driver\":\"raw\",\"file.filename\":\"$TEST_IMG\"}" \
 146          -c "info" 2>&1 | _filter_img_info
 147
 148
 149 # success, all done
 150 echo "*** done"
 151 rm -f $seq.full
 152 status=0