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