LXR qemu/tests/qemu-iotests/089

   1#!/usr/bin/env bash
   2# group: rw auto quick
   3#
   4# Test case for support of JSON filenames
   5#
   6# Copyright (C) 2014 Red Hat, Inc.
   7#
   8# This program is free software; you can redistribute it and/or modify
   9# it under the terms of the GNU General Public License as published by
  10# the Free Software Foundation; either version 2 of the License, or
  11# (at your option) any later version.
  12#
  13# This program is distributed in the hope that it will be useful,
  14# but WITHOUT ANY WARRANTY; without even the implied warranty of
  15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16# GNU General Public License for more details.
  17#
  18# You should have received a copy of the GNU General Public License
  19# along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20#
  21
  22# creator
  23owner=mreitz@redhat.com
  24
  25seq="$(basename $0)"
  26echo "QA output created by $seq"
  27
  28status=1        # failure is the default!
  29
  30_cleanup()
  31{
  32        _cleanup_test_img
  33}
  34trap "_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 fuse
  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.
  48case $TEST_IMG in
  49    *'"'*)
  50        _notrun "image filename may not contain quotation marks"
  51        ;;
  52esac
  53
  54IMG_SIZE=64M
  55
  56# Taken from test 072
  57echo
  58echo "=== Testing nested image formats ==="
  59echo
  60
  61TEST_IMG="$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_make_test_img $IMG_SIZE
  67$QEMU_IMG convert -f raw -O $IMGFMT -n "$TEST_IMG.base" "$TEST_IMG"
  68
  69$QEMU_IO_PROG --cache $CACHEMODE --aio $AIOMODE \
  70         -c 'read -P 42 0 512' -c 'read -P 23 512 512' \
  71         -c 'read -P 66 1024 512' "json:{
  72    \"driver\": \"$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
  85echo
  86echo "=== Testing correct handling of 'backing':null ==="
  87echo
  88
  89_make_test_img -b "$TEST_IMG.base" -F $IMGFMT $IMG_SIZE
  90
  91# This should read 42
  92$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
 106echo
 107echo "=== Testing blkdebug ==="
 108echo
 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 --aio $AIOMODE  \
 117     -c 'read -P 42 0x38000 512' "json:{
 118    \"driver\": \"$IMGFMT\",
 119    \"file\": {
 120        \"driver\": \"blkdebug\",
 121        \"inject-error\": [{
 122            \"event\": \"l2_load\"
 123        }],
 124        \"image.filename\": \"$TEST_IMG\"
 125    }
 126}" | _filter_qemu_io
 127
 128
 129echo
 130echo "=== Testing qemu-img info output ==="
 131echo
 132
 133TEST_IMG="json:{\"driver\":\"qcow2\",\"file.filename\":\"$TEST_IMG\"}" _img_info
 134
 135
 136echo
 137echo "=== Testing option merging ==="
 138echo
 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
 150echo "*** done"
 151rm -f $seq.full
 152status=0
 153