tests/qemu-iotests/287

   1 #!/usr/bin/env bash
   2 # group: auto quick
   3 #
   4 # Test case for an image using zstd compression
   5 #
   6 # Copyright (c) 2020 Virtuozzo International GmbH
   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=dplotnikov@virtuozzo.com
  24
  25 seq="$(basename $0)"
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 # standard environment
  31 . ./common.rc
  32 . ./common.filter
  33
  34 # This tests qocw2-specific low-level functionality
  35 _supported_fmt qcow2
  36 _supported_proto file fuse
  37 _supported_os Linux
  38 _unsupported_imgopts 'compat=0.10' data_file
  39
  40 COMPR_IMG="$TEST_IMG.compressed"
  41 RAND_FILE="$TEST_DIR/rand_data"
  42
  43 _cleanup()
  44 {
  45     _cleanup_test_img
  46     _rm_test_img "$COMPR_IMG"
  47     rm -f "$RAND_FILE"
  48 }
  49 trap "_cleanup; exit \$status" 0 1 2 3 15
  50
  51 # for all the cases
  52 CLUSTER_SIZE=65536
  53
  54 # Check if we can run this test.
  55 output=$(_make_test_img -o 'compression_type=zstd' 64M; _cleanup_test_img)
  56 if echo "$output" | grep -q "Parameter 'compression-type' does not accept value 'zstd'"; then
  57     _notrun "ZSTD is disabled"
  58 fi
  59
  60 echo
  61 echo "=== Testing compression type incompatible bit setting for zlib ==="
  62 echo
  63 _make_test_img -o compression_type=zlib 64M
  64 _qcow2_dump_header --no-filter-compression | grep incompatible_features
  65
  66 echo
  67 echo "=== Testing compression type incompatible bit setting for zstd ==="
  68 echo
  69 _make_test_img -o compression_type=zstd 64M
  70 _qcow2_dump_header --no-filter-compression | grep incompatible_features
  71
  72 echo
  73 echo "=== Testing zlib with incompatible bit set ==="
  74 echo
  75 _make_test_img -o compression_type=zlib 64M
  76 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 3
  77 # to make sure the bit was actually set
  78 _qcow2_dump_header --no-filter-compression | grep incompatible_features
  79
  80 if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then
  81     echo "Error: The image opened successfully. The image must not be opened."
  82 fi
  83
  84 echo
  85 echo "=== Testing zstd with incompatible bit unset ==="
  86 echo
  87 _make_test_img -o compression_type=zstd 64M
  88 $PYTHON qcow2.py "$TEST_IMG" set-header incompatible_features 0
  89 # to make sure the bit was actually unset
  90 _qcow2_dump_header --no-filter-compression | grep incompatible_features
  91
  92 if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then
  93     echo "Error: The image opened successfully. The image must not be opened."
  94 fi
  95
  96 echo
  97 echo "=== Testing compression type values ==="
  98 echo
  99 # zlib=0
 100 _make_test_img -o compression_type=zlib 64M
 101 peek_file_be "$TEST_IMG" 104 1
 102 echo
 103
 104 # zstd=1
 105 _make_test_img -o compression_type=zstd 64M
 106 peek_file_be "$TEST_IMG" 104 1
 107 echo
 108
 109 echo
 110 echo "=== Testing simple reading and writing with zstd ==="
 111 echo
 112 _make_test_img -o compression_type=zstd 64M
 113 $QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io
 114 $QEMU_IO -c "read -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io
 115 # read on the cluster boundaries
 116 $QEMU_IO -c "read -v 131070 8 " "$TEST_IMG" | _filter_qemu_io
 117 $QEMU_IO -c "read -v 65534 8" "$TEST_IMG" | _filter_qemu_io
 118
 119 echo
 120 echo "=== Testing adjacent clusters reading and writing with zstd ==="
 121 echo
 122 _make_test_img -o compression_type=zstd 64M
 123 $QEMU_IO -c "write -c -P 0xAB 0 64K " "$TEST_IMG" | _filter_qemu_io
 124 $QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io
 125 $QEMU_IO -c "write -c -P 0xAD 128K 64K " "$TEST_IMG" | _filter_qemu_io
 126
 127 $QEMU_IO -c "read -P 0xAB 0 64k " "$TEST_IMG" | _filter_qemu_io
 128 $QEMU_IO -c "read -P 0xAC 64K 64k " "$TEST_IMG" | _filter_qemu_io
 129 $QEMU_IO -c "read -P 0xAD 128K 64k " "$TEST_IMG" | _filter_qemu_io
 130
 131 echo
 132 echo "=== Testing incompressible cluster processing with zstd ==="
 133 echo
 134 # create a 2M image and fill it with 1M likely incompressible data
 135 # and 1M compressible data
 136 dd if=/dev/urandom of="$RAND_FILE" bs=1M count=1 seek=1
 137 QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS_NO_FMT" \
 138 $QEMU_IO -f raw -c "write -P 0xFA 0 1M" "$RAND_FILE" | _filter_qemu_io
 139
 140 $QEMU_IMG convert -f raw -O $IMGFMT -c \
 141 -o "$(_optstr_add "$IMGOPTS" "compression_type=zlib")" "$RAND_FILE" \
 142 "$TEST_IMG" | _filter_qemu_io
 143
 144 $QEMU_IMG convert -O $IMGFMT -c \
 145 -o "$(_optstr_add "$IMGOPTS" "compression_type=zstd")" "$TEST_IMG" \
 146 "$COMPR_IMG" | _filter_qemu_io
 147
 148 $QEMU_IMG compare "$TEST_IMG" "$COMPR_IMG"
 149
 150 # success, all done
 151 echo "*** done"
 152 rm -f $seq.full
 153 status=0