1#!/usr/bin/env bash 2# group: rw auto quick 3# 4# test of qemu-img convert -n - convert without creation 5# 6# Copyright (C) 2009 Red Hat, Inc. 7# Copyright (C) 2013 Alex Bligh (alex@alex.org.uk) 8# 9# This program is free software; you can redistribute it and/or modify 10# it under the terms of the GNU General Public License as published by 11# the Free Software Foundation; either version 2 of the License, or 12# (at your option) any later version. 13# 14# This program is distributed in the hope that it will be useful, 15# but WITHOUT ANY WARRANTY; without even the implied warranty of 16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17# GNU General Public License for more details. 18# 19# You should have received a copy of the GNU General Public License 20# along with this program. If not, see <http://www.gnu.org/licenses/>. 21# 22 23# creator 24owner=alex@alex.org.uk 25 26seq=`basename $0` 27echo "QA output created by $seq" 28 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34 for img in "$TEST_IMG".{orig,raw1,raw2,target}; do 35 _rm_test_img "$img" 36 done 37} 38trap "_cleanup; exit \$status" 0 1 2 3 15 39 40# get standard environment, filters and checks 41. ./common.rc 42. ./common.filter 43. ./common.pattern 44 45_supported_fmt qcow qcow2 vmdk qed raw 46_supported_proto file 47_unsupported_imgopts "subformat=monolithicFlat" \ 48 "subformat=twoGbMaxExtentFlat" \ 49 "subformat=twoGbMaxExtentSparse" \ 50 "subformat=streamOptimized" 51 52_make_test_img 4M 53 54echo "== Testing conversion with -n fails with no target file ==" 55if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" >/dev/null 2>&1; then 56 exit 1 57fi 58 59echo "== Testing conversion with -n succeeds with a target file ==" 60_rm_test_img "$TEST_IMG.orig" 61TEST_IMG="$TEST_IMG.orig" _make_test_img 4M 62if ! $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" ; then 63 exit 1 64fi 65 66echo "== Testing conversion to raw is the same after conversion with -n ==" 67# compare the raw files 68if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG" "$TEST_IMG.raw1" ; then 69 exit 1 70fi 71 72if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG.orig" "$TEST_IMG.raw2" ; then 73 exit 1 74fi 75 76if ! cmp "$TEST_IMG.raw1" "$TEST_IMG.raw2" ; then 77 exit 1 78fi 79 80echo "== Testing conversion back to original format ==" 81if ! $QEMU_IMG convert -f raw -O $IMGFMT -n "$TEST_IMG.raw2" "$TEST_IMG" ; then 82 exit 1 83fi 84_check_test_img 85 86echo "== Testing conversion to a smaller file fails ==" 87TEST_IMG="$TEST_IMG.target" _make_test_img 2M 88if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.target" >/dev/null 2>&1; then 89 exit 1 90fi 91 92echo "== Regression testing for copy offloading bug ==" 93 94_make_test_img 1M 95TEST_IMG="$TEST_IMG.target" _make_test_img 1M 96$QEMU_IO -c 'write -P 1 0 512k' -c 'write -P 2 512k 512k' "$TEST_IMG" | _filter_qemu_io 97$QEMU_IO -c 'write -P 4 512k 512k' -c 'write -P 3 0 512k' "$TEST_IMG.target" | _filter_qemu_io 98$QEMU_IMG convert -n -O $IMGFMT "$TEST_IMG" "$TEST_IMG.target" 99$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.target" 100 101echo "*** done" 102rm -f $seq.full 103status=0 104exit 0 105