qemu-iotests: Test query-blockstats with -drive and -blockdev

Make sure that query-blockstats returns information for every
BlockBackend that is named or attached to a device model (or both).

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 101 insertions, 0 deletions

diff --git a/tests/qemu-iotests/227 b/tests/qemu-iotests/227
new file mode 100755
index 0000000000..9a5f7f9f14
--- /dev/null
+++ b/tests/qemu-iotests/227
@@ -0,0 +1,101 @@
+#!/bin/bash
+#
+# Test query-blockstats with different ways to create a BB
+#
+# Copyright (C) 2018 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=kwolf@redhat.com
+
+seq=$(basename $0)
+echo "QA output created by $seq"
+
+here=$PWD
+status=1	# failure is the default!
+
+_cleanup()
+{
+    _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt generic
+_supported_proto file
+_supported_os Linux
+
+function do_run_qemu()
+{
+    echo Testing: "$@"
+    $QEMU -nographic -qmp-pretty stdio -serial none "$@"
+    echo
+}
+
+function run_qemu()
+{
+    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp \
+                          | _filter_qemu | _filter_imgfmt \
+                          | _filter_generated_node_ids
+}
+
+echo
+echo '=== blockstats with -drive if=virtio ==='
+echo
+
+run_qemu -drive driver=null-co,if=virtio <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "query-blockstats"}
+{ "execute": "quit" }
+EOF
+
+echo
+echo '=== blockstats with -drive if=none ==='
+echo
+
+run_qemu -drive driver=null-co,if=none <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "query-blockstats"}
+{ "execute": "quit" }
+EOF
+
+echo
+echo '=== blockstats with -blockdev ==='
+echo
+
+run_qemu -blockdev driver=null-co,node-name=null <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "query-blockstats"}
+{ "execute": "quit" }
+EOF
+
+echo
+echo '=== blockstats with -blockdev and -device ==='
+echo
+
+run_qemu -blockdev driver=null-co,node-name=null -device virtio-blk,drive=null,id=virtio0 <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "query-blockstats"}
+{ "execute": "quit" }
+EOF
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0