1#!/bin/bash 2# 3# test of qemu-img convert -n - convert without creation 4# 5# Copyright (C) 2009 Red Hat, Inc. 6# Copyright (C) 2013 Alex Bligh (alex@alex.org.uk) 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=alex@alex.org.uk 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28here=`pwd` 29tmp=/tmp/$$ 30status=1 # failure is the default! 31 32_cleanup() 33{ 34 _cleanup_test_img 35 rm -f "$TEST_IMG.orig" "$TEST_IMG.raw" "$TEST_IMG.raw2" 36} 37trap "_cleanup; exit \$status" 0 1 2 3 15 38 39# get standard environment, filters and checks 40. ./common.rc 41. ./common.filter 42. ./common.pattern 43 44_supported_fmt qcow qcow2 vmdk qed raw 45_supported_proto generic 46_supported_os Linux 47 48_make_test_img 4M 49 50echo "== Testing conversion with -n fails with no target file ==" 51# check .orig file does not exist 52rm -f "$TEST_IMG.orig" 53if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" >/dev/null 2>&1; then 54 exit 1 55fi 56 57echo "== Testing conversion with -n succeeds with a target file ==" 58rm -f "$TEST_IMG.orig" 59cp "$TEST_IMG" "$TEST_IMG.orig" 60if ! $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" ; then 61 exit 1 62fi 63 64echo "== Testing conversion to raw is the same after conversion with -n ==" 65# compare the raw files 66if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG" "$TEST_IMG.raw1" ; then 67 exit 1 68fi 69 70if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG.orig" "$TEST_IMG.raw2" ; then 71 exit 1 72fi 73 74if ! cmp "$TEST_IMG.raw1" "$TEST_IMG.raw2" ; then 75 exit 1 76fi 77 78echo "== Testing conversion back to original format ==" 79if ! $QEMU_IMG convert -f raw -O $IMGFMT -n "$TEST_IMG.raw2" "$TEST_IMG" ; then 80 exit 1 81fi 82_check_test_img 83 84echo "== Testing conversion to a smaller file fails ==" 85rm -f "$TEST_IMG.orig" 86mv "$TEST_IMG" "$TEST_IMG.orig" 87_make_test_img 2M 88if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG.orig" "$TEST_IMG" >/dev/null 2>&1; then 89 exit 1 90fi 91 92rm -f "$TEST_IMG.orig" "$TEST_IMG.raw" "$TEST_IMG.raw2" 93 94echo "*** done" 95rm -f $seq.full 96status=0 97exit 0 98