It would be nice if qemu used the correct types for blockdev options internally, even if the user specified string values (either through -drive or by being not so nice and using json:{} with string values). This patch adds a test verifying that fact.
Signed-off-by: Max Reitz <mre...@redhat.com> Reviewed-by: Eric Blake <ebl...@redhat.com> --- tests/qemu-iotests/089 | 25 +++++++++++++++++++++++++ tests/qemu-iotests/089.out | 9 +++++++++ 2 files changed, 34 insertions(+) diff --git a/tests/qemu-iotests/089 b/tests/qemu-iotests/089 index ad029f1f09..156a8af85c 100755 --- a/tests/qemu-iotests/089 +++ b/tests/qemu-iotests/089 @@ -35,6 +35,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter +. ./common.qemu _supported_fmt qcow2 _supported_proto file @@ -143,6 +144,30 @@ $QEMU_IO -c "open -o driver=qcow2 json:{\"file.filename\":\"$TEST_IMG\"}" \ $QEMU_IO -c "open -o driver=qcow2 json:{\"driver\":\"raw\",\"file.filename\":\"$TEST_IMG\"}" \ -c "info" 2>&1 | _filter_img_info +echo +echo "=== Testing option typing ===" +echo + +# json:{} accepts both strings and correctly typed values (even mixed, +# although we probably do not want to support that...), but when +# creating a json:{} filename, it should be correctly typed. +# Therefore, both of these should make the "size" value an integer. + +TEST_IMG="json:{'driver': 'null-co', 'size': 42 }" _img_info | grep '^image' +TEST_IMG="json:{'driver': 'null-co', 'size': '42'}" _img_info | grep '^image' + +echo + +# This should even work when some driver abuses bs->options to store +# non-QAPI options (and the given -drive options are not complete) +# (Watch for whether file.align appears as an int or a string) +qemu_comm_method=monitor _launch_qemu \ + -drive if=none,id=drv0,node-name=node0,format=raw,file=blkdebug::null-co://,file.align=512 + +_send_qemu_cmd $QEMU_HANDLE 'info block' 'json:' + +_cleanup_qemu + # success, all done echo "*** done" diff --git a/tests/qemu-iotests/089.out b/tests/qemu-iotests/089.out index 20c8ce8f0e..a43dfd3cf8 100644 --- a/tests/qemu-iotests/089.out +++ b/tests/qemu-iotests/089.out @@ -49,4 +49,13 @@ vm state offset: 512 MiB format name: IMGFMT cluster size: 64 KiB vm state offset: 512 MiB + +=== Testing option typing === + +image: json:{"driver": "null-co", "size": 42} +image: json:{"driver": "null-co", "size": 42} + +QEMU X.Y.Z monitor - type 'help' for more information +(qemu) info block +drv0 (node0): json:{"driver": "raw", "file": {"image": {"driver": "null-co"}, "driver": "blkdebug", "align": 512}} (raw) *** done -- 2.21.0