e59a0cf17b
Instead of converting all "backing": null instances into "backing": "",
handle a null value directly in bdrv_open_inherit().
This enables explicitly null backing links for json:{} filenames.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20180224154033.29559-7-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: rebase to qobject_to() parameter order and qapi headers split]
Signed-off-by: Eric Blake <eblake@redhat.com>
153 lines
3.8 KiB
Bash
Executable File
153 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test case for support of JSON filenames
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#
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# Copyright (C) 2014 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=mreitz@redhat.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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here="$PWD"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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# Because anything other than 16 would change the output of qemu_io -c info
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_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'
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# Using an image filename containing quotation marks will render the JSON data
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# below invalid. In that case, we have little choice but simply not to run this
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# test.
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case $TEST_IMG in
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*'"'*)
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_notrun "image filename may not contain quotation marks"
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;;
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esac
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IMG_SIZE=64M
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# Taken from test 072
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echo
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echo "=== Testing nested image formats ==="
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echo
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TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
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$QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
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-c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
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$QEMU_IO_PROG --cache $CACHEMODE \
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-c 'read -P 42 0 512' -c 'read -P 23 512 512' \
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-c 'read -P 66 1024 512' "json:{
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\"driver\": \"$IMGFMT\",
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\"file\": {
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\"driver\": \"$IMGFMT\",
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\"file\": {
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\"filename\": \"$TEST_IMG\"
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}
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}
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}" | _filter_qemu_io
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# This should fail (see test 072)
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$QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
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echo
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echo "=== Testing correct handling of 'backing':null ==="
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echo
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_make_test_img -b "$TEST_IMG.base" $IMG_SIZE
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# This should read 42
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$QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
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# This should read 0
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$QEMU_IO -c 'read -P 0 0 512' "json:{\
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'driver': '$IMGFMT',
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'file': {
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'driver': 'file',
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'filename': '$TEST_IMG'
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},
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'backing': null
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}" | _filter_qemu_io
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# Taken from test 071
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echo
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echo "=== Testing blkdebug ==="
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echo
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_make_test_img $IMG_SIZE
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$QEMU_IO -c 'write -P 42 0x38000 512' "$TEST_IMG" | _filter_qemu_io
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# The "image.filename" part tests whether "a": { "b": "c" } and "a.b": "c" do
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# the same (which they should).
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$QEMU_IO_PROG --cache $CACHEMODE \
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-c 'read -P 42 0x38000 512' "json:{
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\"driver\": \"$IMGFMT\",
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\"file\": {
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\"driver\": \"blkdebug\",
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\"inject-error\": [{
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\"event\": \"l2_load\"
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}],
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\"image.filename\": \"$TEST_IMG\"
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}
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}" | _filter_qemu_io
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echo
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echo "=== Testing qemu-img info output ==="
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echo
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TEST_IMG="json:{\"driver\":\"qcow2\",\"file.filename\":\"$TEST_IMG\"}" _img_info
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echo
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echo "=== Testing option merging ==="
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echo
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# Both options given directly and those given in the filename should be used
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$QEMU_IO -c "open -o driver=qcow2 json:{\"file.filename\":\"$TEST_IMG\"}" \
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-c "info" 2>&1 | _filter_img_info
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# Options given directly should be prioritized over those given in the filename
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$QEMU_IO -c "open -o driver=qcow2 json:{\"driver\":\"raw\",\"file.filename\":\"$TEST_IMG\"}" \
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-c "info" 2>&1 | _filter_img_info
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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