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 $seq" 27 28here=`pwd` 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34 rm -f "$TEST_IMG.orig" "$TEST_IMG.raw1" "$TEST_IMG.raw2" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41. ./common.pattern 42 43_supported_fmt qcow qcow2 vmdk qed raw 44_supported_proto file 45_supported_os Linux 46_unsupported_imgopts "subformat=monolithicFlat" \ 47 "subformat=twoGbMaxExtentFlat" \ 48 "subformat=twoGbMaxExtentSparse" 49 50_make_test_img 4M 51 52echo "== Testing conversion with -n fails with no target file ==" 53# check .orig file does not exist 54rm -f "$TEST_IMG.orig" 55if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" >/dev/null 2>&1; then 56 exit 1 57fi 58 59echo "== Testing conversion with -n succeeds with a target file ==" 60rm -f "$TEST_IMG.orig" 61cp "$TEST_IMG" "$TEST_IMG.orig" 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" "$TEST_IMG" ; then 82 exit 1 83fi 84_check_test_img 85 86echo "== Testing conversion to a smaller file fails ==" 87rm -f "$TEST_IMG.orig" 88mv "$TEST_IMG" "$TEST_IMG.orig" 89_make_test_img 2M 90if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG.orig" "$TEST_IMG" >/dev/null 2>&1; then 91 exit 1 92fi 93 94echo "*** done" 95rm -f $seq.full 96status=0 97exit 0 98