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authorMax Reitz <mreitz@redhat.com>2013-10-09 10:46:19 +0200
committerKevin Wolf <kwolf@redhat.com>2013-10-11 14:04:58 +0200
commit4c2e946500c45685fdec61b3d929311dc26a2ad5 (patch)
tree40145db4cec067f214fea7d758b69a4d098dbd68 /tests
parent37764dfb71c4d0d058b71ba33340c6beab7d5a66 (diff)
qemu-iotests: Discard specific info in _img_info
In _img_info, filter out additional information specific to the image format provided by qemu-img info, since tests designed for multiple image formats would produce different outputs for every image format otherwise. In a human-readable dump, that new information will always be last for each "image information block" (multiple blocks are emitted when inspecting the backing file chain). Every block is separated by an empty line. Therefore, in this case, everything starting with the line "Format specific information:" up to that empty line (or EOF, if it is the last block) has to be stripped. The JSON dump will always emit pretty JSON data. Therefore, the opening and closing braces of every object will be on lines which are indented by exactly the same amount, and all lines in between will have more indentation. Thus, in this case, everything starting with a line matching the regular expression /^ *"format-specific": {/ until /^ *},?/ has to be stripped, where the number of spaces at the beginning of the respective lines is equal. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/qemu-iotests/common.rc20
1 files changed, 19 insertions, 1 deletions
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 1b22db04f4..227c003538 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -197,12 +197,30 @@ _check_test_img()
_img_info()
{
+ discard=0
+ regex_json_spec_start='^ *"format-specific": \{'
$QEMU_IMG info "$@" "$TEST_IMG" 2>&1 | \
sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
-e "s#$TEST_DIR#TEST_DIR#g" \
-e "s#$IMGFMT#IMGFMT#g" \
-e "/^disk size:/ D" \
- -e "/actual-size/ D"
+ -e "/actual-size/ D" | \
+ while IFS='' read line; do
+ if [[ $line == "Format specific information:" ]]; then
+ discard=1
+ elif [[ $line =~ $regex_json_spec_start ]]; then
+ discard=2
+ regex_json_spec_end="^${line%%[^ ]*}\\},? *$"
+ fi
+ if [[ $discard == 0 ]]; then
+ echo "$line"
+ elif [[ $discard == 1 && ! $line ]]; then
+ echo
+ discard=0
+ elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then
+ discard=0
+ fi
+ done
}
_get_pids_by_name()