3 # qemu-img measure sub-command tests
5 # Copyright (C) 2017 Red Hat, Inc.
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.
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.
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/>.
25 echo "QA output created by $seq"
28 status=1 # failure is the default!
33 rm -f "$TEST_IMG.converted"
35 trap "_cleanup; exit \$status" 0 1 2 3 15
37 # get standard environment, filters and checks
42 _supported_fmt raw qcow2
46 echo "== Input validation =="
51 $QEMU_IMG measure # missing arguments
52 $QEMU_IMG measure --size 2G "$TEST_IMG" # only one allowed
53 $QEMU_IMG measure "$TEST_IMG" a # only one filename allowed
54 $QEMU_IMG measure --object secret,id=sec0,data=MTIzNDU2,format=base64 # missing filename
55 $QEMU_IMG measure --image-opts # missing filename
56 $QEMU_IMG measure -f qcow2 # missing filename
57 $QEMU_IMG measure -l snap1 # missing filename
58 $QEMU_IMG measure -o , # invalid option list
59 $QEMU_IMG measure -l snapshot.foo # invalid snapshot option
60 $QEMU_IMG measure --output foo # invalid output format
61 $QEMU_IMG measure --size -1 # invalid image size
62 $QEMU_IMG measure -O foo "$TEST_IMG" # unknown image file format
64 make_test_img_with_fmt() {
65 # Shadow global variables within this function
66 local IMGFMT="$1" IMGOPTS=""
71 # Shadow global variables within this function
72 local QEMU_IO_OPTIONS=$(echo "$QEMU_IO_OPTIONS" | sed "s/-f $IMGFMT/-f $1/")
77 # The proof is in the pudding: converted image size cannot be larger than the
80 # Note: if a change to the image format code causes the file size to change,
81 # then this test fails! This is good because it's a reminder to check that the
82 # required size is still at least as big as the actual converted file size.
83 convert_and_show_size() {
86 $QEMU_IMG convert -f "$fmt" -O "$IMGFMT" "$TEST_IMG" "$@" "$TEST_IMG.converted"
87 stat -c "converted image file size in bytes: %s" "$TEST_IMG.converted"
90 for ofmt in human json; do
92 echo "== Size calculation for a new file ($ofmt) =="
95 # Try a few interesting sizes
96 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 0
97 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2G
98 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 64G
99 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 256G
100 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 1T
101 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2P
102 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 7E
104 # Always test the raw input files but also IMGFMT
105 for fmt in $(echo -e "raw\n$IMGFMT\n" | sort -u); do
107 echo "== Empty $fmt input image ($ofmt) =="
109 make_test_img_with_fmt "$fmt" 0
110 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
112 convert_and_show_size "$fmt"
115 echo "== $fmt input image with data ($ofmt) =="
117 make_test_img_with_fmt "$fmt" 1G
118 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
119 qemu_io_with_fmt "$fmt" -c "write 512 512" "$TEST_IMG" | _filter_qemu_io
120 qemu_io_with_fmt "$fmt" -c "write 64K 64K" "$TEST_IMG" | _filter_qemu_io
121 if [ "$fmt" = "qcow2" ]; then
122 $QEMU_IMG snapshot -c snapshot1 "$TEST_IMG"
124 qemu_io_with_fmt "$fmt" -c "write 128M 63K" "$TEST_IMG" | _filter_qemu_io
125 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
127 convert_and_show_size "$fmt"
129 if [ "$fmt" = "qcow2" ]; then
131 echo "== $fmt input image with internal snapshot ($ofmt) =="
133 $QEMU_IMG measure --output=$ofmt -f "$fmt" -l snapshot1 \
134 -O "$IMGFMT" "$TEST_IMG"
136 convert_and_show_size "$fmt" -l snapshot1
139 if [ "$IMGFMT" = "qcow2" ]; then
141 echo "== $fmt input image and a backing file ($ofmt) =="
143 # The backing file doesn't need to exist :)
144 $QEMU_IMG measure --output=$ofmt -o backing_file=x \
145 -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
149 echo "== $fmt input image and preallocation ($ofmt) =="
151 $QEMU_IMG measure --output=$ofmt -o preallocation=full \
152 -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
154 convert_and_show_size "$fmt" -o preallocation=full
157 echo "== Fully-allocated $fmt input image ($ofmt) =="
159 make_test_img_with_fmt "$fmt" 8M
160 qemu_io_with_fmt "$fmt" -c "write 0 8M" "$TEST_IMG" | _filter_qemu_io
161 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
163 convert_and_show_size "$fmt"