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dd488fc1 | 1 | #!/usr/bin/env bash |
9dd003a9 | 2 | # group: auto quick |
dd488fc1 DP |
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 $seq" | |
27 | ||
28 | status=1 # failure is the default! | |
29 | ||
30 | # standard environment | |
31 | . ./common.rc | |
32 | . ./common.filter | |
33 | ||
34 | # This tests qocw2-specific low-level functionality | |
35 | _supported_fmt qcow2 | |
57284d2a | 36 | _supported_proto file fuse |
dd488fc1 DP |
37 | _supported_os Linux |
38 | _unsupported_imgopts 'compat=0.10' data_file | |
39 | ||
40 | COMPR_IMG="$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 "$RAND_FILE" | |
48 | } | |
49 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
50 | ||
51 | # for all the cases | |
52 | CLUSTER_SIZE=65536 | |
53 | ||
54 | # Check if we can run this test. | |
7eadb1e5 HR |
55 | output=$(_make_test_img -o 'compression_type=zstd' 64M; _cleanup_test_img) |
56 | if echo "$output" | grep -q "Invalid parameter 'zstd'"; then | |
dd488fc1 DP |
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 | $PYTHON qcow2.py "$TEST_IMG" dump-header | 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 | $PYTHON qcow2.py "$TEST_IMG" dump-header | 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 | $PYTHON qcow2.py "$TEST_IMG" dump-header | 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 | $PYTHON qcow2.py "$TEST_IMG" dump-header | 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 |