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Diffstat (limited to 'tests/qemu-iotests/178')
| -rwxr-xr-x | tests/qemu-iotests/178 | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/tests/qemu-iotests/178 b/tests/qemu-iotests/178 new file mode 100755 index 0000000000..6af52c653a --- /dev/null +++ b/tests/qemu-iotests/178 @@ -0,0 +1,170 @@ +#!/bin/bash +# +# qemu-img measure sub-command tests +# +# Copyright (C) 2017 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +# creator +owner=stefanha@redhat.com + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img + rm -f "$TEST_IMG.converted" +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter +. ./common.pattern + +_supported_fmt raw qcow2 +_supported_proto file +_supported_os Linux + +echo "== Input validation ==" +echo + +_make_test_img 1G + +$QEMU_IMG measure # missing arguments +$QEMU_IMG measure --size 2G "$TEST_IMG" # only one allowed +$QEMU_IMG measure "$TEST_IMG" a # only one filename allowed +$QEMU_IMG measure --object secret,id=sec0,data=MTIzNDU2,format=base64 # missing filename +$QEMU_IMG measure --image-opts # missing filename +$QEMU_IMG measure -f qcow2 # missing filename +$QEMU_IMG measure -l snap1 # missing filename +$QEMU_IMG measure -o , # invalid option list +$QEMU_IMG measure -l snapshot.foo # invalid snapshot option +$QEMU_IMG measure --output foo # invalid output format +$QEMU_IMG measure --size -1 # invalid image size +$QEMU_IMG measure -O foo "$TEST_IMG" # unknown image file format + +make_test_img_with_fmt() { + # Shadow global variables within this function + local IMGFMT="$1" IMGOPTS="" + _make_test_img "$2" +} + +qemu_io_with_fmt() { + # Shadow global variables within this function + local QEMU_IO_OPTIONS=$(echo "$QEMU_IO_OPTIONS" | sed "s/-f $IMGFMT/-f $1/") + shift + $QEMU_IO "$@" +} + +# The proof is in the pudding: converted image size cannot be larger than the +# required size. +# +# Note: if a change to the image format code causes the file size to change, +# then this test fails! This is good because it's a reminder to check that the +# required size is still at least as big as the actual converted file size. +convert_and_show_size() { + local fmt="$1" + shift + $QEMU_IMG convert -f "$fmt" -O "$IMGFMT" "$TEST_IMG" "$@" "$TEST_IMG.converted" + stat -c "converted image file size in bytes: %s" "$TEST_IMG.converted" +} + +for ofmt in human json; do + echo + echo "== Size calculation for a new file ($ofmt) ==" + echo + + # Try a few interesting sizes + $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 0 + $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2G + $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 64G + $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 256G + $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 1T + $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2P + $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 7E + + # Always test the raw input files but also IMGFMT + for fmt in $(echo -e "raw\n$IMGFMT\n" | sort -u); do + echo + echo "== Empty $fmt input image ($ofmt) ==" + echo + make_test_img_with_fmt "$fmt" 0 + $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" + echo + convert_and_show_size "$fmt" + + echo + echo "== $fmt input image with data ($ofmt) ==" + echo + make_test_img_with_fmt "$fmt" 1G + $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" + qemu_io_with_fmt "$fmt" -c "write 512 512" "$TEST_IMG" | _filter_qemu_io + qemu_io_with_fmt "$fmt" -c "write 64K 64K" "$TEST_IMG" | _filter_qemu_io + if [ "$fmt" = "qcow2" ]; then + $QEMU_IMG snapshot -c snapshot1 "$TEST_IMG" + fi + qemu_io_with_fmt "$fmt" -c "write 128M 63K" "$TEST_IMG" | _filter_qemu_io + $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" + echo + convert_and_show_size "$fmt" + + if [ "$fmt" = "qcow2" ]; then + echo + echo "== $fmt input image with internal snapshot ($ofmt) ==" + echo + $QEMU_IMG measure --output=$ofmt -f "$fmt" -l snapshot1 \ + -O "$IMGFMT" "$TEST_IMG" + echo + convert_and_show_size "$fmt" -l snapshot1 + fi + + if [ "$IMGFMT" = "qcow2" ]; then + echo + echo "== $fmt input image and a backing file ($ofmt) ==" + echo + # The backing file doesn't need to exist :) + $QEMU_IMG measure --output=$ofmt -o backing_file=x \ + -f "$fmt" -O "$IMGFMT" "$TEST_IMG" + fi + + echo + echo "== $fmt input image and preallocation ($ofmt) ==" + echo + $QEMU_IMG measure --output=$ofmt -o preallocation=full \ + -f "$fmt" -O "$IMGFMT" "$TEST_IMG" + echo + convert_and_show_size "$fmt" -o preallocation=full + + echo + echo "== Fully-allocated $fmt input image ($ofmt) ==" + echo + make_test_img_with_fmt "$fmt" 8M + qemu_io_with_fmt "$fmt" -c "write 0 8M" "$TEST_IMG" | _filter_qemu_io + $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" + echo + convert_and_show_size "$fmt" + done +done + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 |