#!/bin/bash # # test of qemu-img convert -n - convert without creation # # Copyright (C) 2009 Red Hat, Inc. # Copyright (C) 2013 Alex Bligh (alex@alex.org.uk) # # 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=alex@alex.org.uk 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.orig" "$TEST_IMG.raw" "$TEST_IMG.raw2" } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter . ./common.pattern _supported_fmt qcow qcow2 vmdk qed raw _supported_proto file _supported_os Linux _unsupported_imgopts "subformat=monolithicFlat" \ "subformat=twoGbMaxExtentFlat" \ "subformat=twoGbMaxExtentSparse" _make_test_img 4M echo "== Testing conversion with -n fails with no target file ==" # check .orig file does not exist rm -f "$TEST_IMG.orig" if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" >/dev/null 2>&1; then exit 1 fi echo "== Testing conversion with -n succeeds with a target file ==" rm -f "$TEST_IMG.orig" cp "$TEST_IMG" "$TEST_IMG.orig" if ! $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" ; then exit 1 fi echo "== Testing conversion to raw is the same after conversion with -n ==" # compare the raw files if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG" "$TEST_IMG.raw1" ; then exit 1 fi if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG.orig" "$TEST_IMG.raw2" ; then exit 1 fi if ! cmp "$TEST_IMG.raw1" "$TEST_IMG.raw2" ; then exit 1 fi echo "== Testing conversion back to original format ==" if ! $QEMU_IMG convert -f raw -O $IMGFMT -n "$TEST_IMG.raw2" "$TEST_IMG" ; then exit 1 fi _check_test_img echo "== Testing conversion to a smaller file fails ==" rm -f "$TEST_IMG.orig" mv "$TEST_IMG" "$TEST_IMG.orig" _make_test_img 2M if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG.orig" "$TEST_IMG" >/dev/null 2>&1; then exit 1 fi rm -f "$TEST_IMG.orig" "$TEST_IMG.raw" "$TEST_IMG.raw2" echo "*** done" rm -f $seq.full status=0 exit 0