tests/qemu-iotests/048

   1 #!/bin/bash
   2 ##
   3 ## qemu-img compare test
   4 ##
   5 ##
   6 ## Copyright (C) 2013 Red Hat, Inc.
   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
  23 owner=mrezanin@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     echo "Cleanup"
  33     _cleanup_test_img
  34     rm "${TEST_IMG2}"
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 _compare()
  39 {
  40     $QEMU_IMG compare "$@" "$TEST_IMG" "${TEST_IMG2}"
  41     echo $?
  42 }
  43
  44 # get standard environment, filters and checks
  45 . ./common.rc
  46 . ./common.filter
  47 . ./common.pattern
  48
  49 _supported_fmt raw qcow qcow2 qed
  50 _supported_proto file
  51 _supported_os Linux
  52
  53 # Setup test basic parameters
  54 TEST_IMG2=$TEST_IMG.2
  55 CLUSTER_SIZE=4096
  56 size=1024M
  57
  58 _make_test_img $size
  59 io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45
  60
  61 # Compare identical images
  62 cp "$TEST_IMG" "${TEST_IMG2}"
  63 _compare
  64 _compare -q
  65
  66 # Compare images with different size
  67 $QEMU_IMG resize "$TEST_IMG" +512M
  68 _compare
  69 _compare -s
  70
  71 # Compare images with different content
  72 io_pattern write 1228800 $CLUSTER_SIZE 0 1 67
  73 _compare
  74 io_pattern write 0 $CLUSTER_SIZE 0 1 123
  75 _compare
  76
  77 # Test unaligned case of mismatch offsets in allocated clusters
  78 _make_test_img $size
  79 io_pattern write 0 512 0 1 100
  80 cp "$TEST_IMG" "$TEST_IMG2"
  81 io_pattern write 512 512 0 1 101
  82 _compare
  83
  84 # Test cluster allocated in one, with IO error
  85 cat > "$TEST_DIR/blkdebug.conf"<<EOF
  86 [inject-error]
  87 event = "read_aio"
  88 errno = "5"
  89 once ="off"
  90 EOF
  91 _make_test_img $size
  92 cp "$TEST_IMG" "$TEST_IMG2"
  93 io_pattern write 512 512 0 1 102
  94 TEST_IMG="blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" _compare 2>&1 |\
  95     _filter_testdir | _filter_imgfmt
  96
  97 # Test cluster allocated in one, with different sizes and IO error in the part
  98 # that exists only in one image
  99 cat > "$TEST_DIR/blkdebug.conf"<<EOF
 100 [inject-error]
 101 event = "read_aio"
 102 errno = "5"
 103 once ="off"
 104 EOF
 105 _make_test_img $size
 106 TEST_IMG="$TEST_IMG2" _make_test_img 0
 107 io_pattern write 512 512 0 1 102
 108 TEST_IMG="blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" _compare 2>&1 |\
 109     _filter_testdir | _filter_imgfmt
 110
 111 # Cleanup
 112 status=0