qemu-iotests: fix 028 failure due to disk image path

The disk image path is echoed by QEMU's readline when the "drive_backup
disk ${TEST_IMG}.copy" HMP command is issued.  Unfortunately it is very
hard to filter out the path due to readline's character-by-character
output (with terminal escape sequences).  Just redirect this command to
/dev/null for now.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/tests/qemu-iotests/028 b/tests/qemu-iotests/028
index d5718c5..9e701e1 100755 (executable)
--- a/tests/qemu-iotests/028
+++ b/tests/qemu-iotests/028
@@ -110,7 +110,9 @@ _launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk
 h=$QEMU_HANDLE
 QEMU_COMM_TIMEOUT=1
 
-_send_qemu_cmd $h "drive_backup disk ${TEST_IMG}.copy" "(qemu)"
+# Silence output since it contains the disk image path and QEMU's readline
+# character echoing makes it very hard to filter the output
+_send_qemu_cmd $h "drive_backup disk ${TEST_IMG}.copy" "(qemu)" >/dev/null
 qemu_cmd_repeat=20 _send_qemu_cmd $h "info block-jobs" "No active jobs"
 _send_qemu_cmd $h 'quit' ""
 

diff --git a/tests/qemu-iotests/028.out b/tests/qemu-iotests/028.out
index 38099e4..0e1a5ae 100644 (file)
--- a/tests/qemu-iotests/028.out
+++ b/tests/qemu-iotests/028.out
@@ -468,8 +468,6 @@ No errors were found on the image.
 
 block-backup
 
-QEMU X.Y.Z monitor - type 'help' for more information
-(qemu) d\e[K\e[Ddr\e[K\e[D\e[Ddri\e[K\e[D\e[D\e[Ddriv\e[K\e[D\e[D\e[D\e[Ddrive\e[K\e[D\e[D\e[D\e[D\e[Ddrive_\e[K\e[D\e[D\e[D\e[D\e[D\e[Ddrive_b\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_ba\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_bac\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_back\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backu\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup \e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup d\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup di\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup dis\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup disk\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup disk \e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Ddrive_backup disk 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 Formatting 'TEST_DIR/t.qcow2.copy', fmt=qcow2 size=4294968832 backing_file='TEST_DIR/t.qcow2.base' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
 (qemu) i\e[K\e[Din\e[K\e[D\e[Dinf\e[K\e[D\e[D\e[Dinfo\e[K\e[D\e[D\e[D\e[Dinfo \e[K\e[D\e[D\e[D\e[D\e[Dinfo b\e[K\e[D\e[D\e[D\e[D\e[D\e[Dinfo bl\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo blo\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo bloc\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo block\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo block-\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo block-j\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo block-jo\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo block-job\e[K\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[D\e[Dinfo block-jobs\e[K
 Type backup, device disk: Completed 0 of 4294968832 bytes, speed limit 0 bytes/s