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1 | #!/usr/bin/env bash |
2 | # | |
3 | # Test case for an image using zstd compression | |
4 | # | |
5 | # Copyright (c) 2020 Virtuozzo International GmbH | |
6 | # | |
7 | # This program is free software; you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
9 | # the Free Software Foundation; either version 2 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | # | |
20 | ||
21 | # creator | |
22 | owner=dplotnikov@virtuozzo.com | |
23 | ||
24 | seq="$(basename $0)" | |
25 | echo "QA output created by $seq" | |
26 | ||
27 | status=1 # failure is the default! | |
28 | ||
29 | # standard environment | |
30 | . ./common.rc | |
31 | . ./common.filter | |
32 | ||
33 | # This tests qocw2-specific low-level functionality | |
34 | _supported_fmt qcow2 | |
35 | _supported_proto file | |
36 | _supported_os Linux | |
37 | _unsupported_imgopts 'compat=0.10' data_file | |
38 | ||
39 | COMPR_IMG="$TEST_IMG.compressed" | |
40 | RAND_FILE="$TEST_DIR/rand_data" | |
41 | ||
42 | _cleanup() | |
43 | { | |
44 | _cleanup_test_img | |
45 | _rm_test_img "$COMPR_IMG" | |
46 | rm -f "$RAND_FILE" | |
47 | } | |
48 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
49 | ||
50 | # for all the cases | |
51 | CLUSTER_SIZE=65536 | |
52 | ||
53 | # Check if we can run this test. | |
54 | if IMGOPTS='compression_type=zstd' _make_test_img 64M | | |
55 | grep "Invalid parameter 'zstd'"; then | |
56 | _notrun "ZSTD is disabled" | |
57 | fi | |
58 | ||
59 | echo | |
60 | echo "=== Testing compression type incompatible bit setting for zlib ===" | |
61 | echo | |
62 | _make_test_img -o compression_type=zlib 64M | |
63 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | |
64 | ||
65 | echo | |
66 | echo "=== Testing compression type incompatible bit setting for zstd ===" | |
67 | echo | |
68 | _make_test_img -o compression_type=zstd 64M | |
69 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | |
70 | ||
71 | echo | |
72 | echo "=== Testing zlib with incompatible bit set ===" | |
73 | echo | |
74 | _make_test_img -o compression_type=zlib 64M | |
75 | $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 3 | |
76 | # to make sure the bit was actually set | |
77 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | |
78 | ||
79 | if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then | |
80 | echo "Error: The image opened successfully. The image must not be opened." | |
81 | fi | |
82 | ||
83 | echo | |
84 | echo "=== Testing zstd with incompatible bit unset ===" | |
85 | echo | |
86 | _make_test_img -o compression_type=zstd 64M | |
87 | $PYTHON qcow2.py "$TEST_IMG" set-header incompatible_features 0 | |
88 | # to make sure the bit was actually unset | |
89 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | |
90 | ||
91 | if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then | |
92 | echo "Error: The image opened successfully. The image must not be opened." | |
93 | fi | |
94 | ||
95 | echo | |
96 | echo "=== Testing compression type values ===" | |
97 | echo | |
98 | # zlib=0 | |
99 | _make_test_img -o compression_type=zlib 64M | |
100 | peek_file_be "$TEST_IMG" 104 1 | |
101 | echo | |
102 | ||
103 | # zstd=1 | |
104 | _make_test_img -o compression_type=zstd 64M | |
105 | peek_file_be "$TEST_IMG" 104 1 | |
106 | echo | |
107 | ||
108 | echo | |
109 | echo "=== Testing simple reading and writing with zstd ===" | |
110 | echo | |
111 | _make_test_img -o compression_type=zstd 64M | |
112 | $QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io | |
113 | $QEMU_IO -c "read -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io | |
114 | # read on the cluster boundaries | |
115 | $QEMU_IO -c "read -v 131070 8 " "$TEST_IMG" | _filter_qemu_io | |
116 | $QEMU_IO -c "read -v 65534 8" "$TEST_IMG" | _filter_qemu_io | |
117 | ||
118 | echo | |
119 | echo "=== Testing adjacent clusters reading and writing with zstd ===" | |
120 | echo | |
121 | _make_test_img -o compression_type=zstd 64M | |
122 | $QEMU_IO -c "write -c -P 0xAB 0 64K " "$TEST_IMG" | _filter_qemu_io | |
123 | $QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io | |
124 | $QEMU_IO -c "write -c -P 0xAD 128K 64K " "$TEST_IMG" | _filter_qemu_io | |
125 | ||
126 | $QEMU_IO -c "read -P 0xAB 0 64k " "$TEST_IMG" | _filter_qemu_io | |
127 | $QEMU_IO -c "read -P 0xAC 64K 64k " "$TEST_IMG" | _filter_qemu_io | |
128 | $QEMU_IO -c "read -P 0xAD 128K 64k " "$TEST_IMG" | _filter_qemu_io | |
129 | ||
130 | echo | |
131 | echo "=== Testing incompressible cluster processing with zstd ===" | |
132 | echo | |
133 | # create a 2M image and fill it with 1M likely incompressible data | |
134 | # and 1M compressible data | |
135 | dd if=/dev/urandom of="$RAND_FILE" bs=1M count=1 seek=1 | |
136 | QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS_NO_FMT" \ | |
137 | $QEMU_IO -f raw -c "write -P 0xFA 0 1M" "$RAND_FILE" | _filter_qemu_io | |
138 | ||
139 | $QEMU_IMG convert -f raw -O $IMGFMT -c \ | |
140 | -o "$(_optstr_add "$IMGOPTS" "compression_type=zlib")" "$RAND_FILE" \ | |
141 | "$TEST_IMG" | _filter_qemu_io | |
142 | ||
143 | $QEMU_IMG convert -O $IMGFMT -c \ | |
144 | -o "$(_optstr_add "$IMGOPTS" "compression_type=zstd")" "$TEST_IMG" \ | |
145 | "$COMPR_IMG" | _filter_qemu_io | |
146 | ||
147 | $QEMU_IMG compare "$TEST_IMG" "$COMPR_IMG" | |
148 | ||
149 | # success, all done | |
150 | echo "*** done" | |
151 | rm -f $seq.full | |
152 | status=0 |