[Qemu-devel] [PATCH 2/3] Test for full Backup

[Ishani Chugh <chugh.ishani@research.iiit.ac.in>]

This patch is the test for full backup implementation in Backup tool.
The test employs two basic substests:
1) Backing up an empty guest and comparing it with base image.
2) Writing a pattern to the guest, creating backup and comparing
   with the base image.

Signed-off-by: Ishani Chugh <chugh.ishani@research.iiit.ac.in>
---
 tests/qemu-iotests/191     | 86 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/191.out | 35 +++++++++++++++++++
 tests/qemu-iotests/group   |  2 ++
 3 files changed, 123 insertions(+)
 create mode 100755 tests/qemu-iotests/191
 create mode 100644 tests/qemu-iotests/191.out

diff --git a/tests/qemu-iotests/191 b/tests/qemu-iotests/191
new file mode 100755
index 0000000..16988d8
--- /dev/null
+++ b/tests/qemu-iotests/191
@@ -0,0 +1,86 @@
+#!/bin/bash
+#
+# Test full backup functionality of qemu-backup tool
+#
+# Copyright (C) 2017 Ishani Chugh <chugh.ishani@research.iiit.ac.in>
+#
+# 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=chugh.ishani@research.iiit.ac.in
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+status=1	# failure is the default!
+
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+. ./common.qemu
+
+_supported_fmt generic
+_supported_proto generic
+_supported_os Linux
+
+_cleanup()
+{
+        rm -f "$TEST_DIR"/virtio0
+        rm -f "$CONFIG_FILE"
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+CONFIG_FILE="$TEST_DIR"/backup-config
+SOCKET=unix:"$TEST_DIR"/backup_socket
+size=128M
+
+_make_test_img "$size"
+export QEMU_BACKUP_CONFIG="$CONFIG_FILE"
+qemu_comm_method="monitor"
+echo
+_launch_qemu -drive if=virtio,file="$TEST_IMG" -qmp "$SOCKET",server,nowait
+$PYTHON ../../contrib/backup/qemu-backup.py guest add --guest adad --qmp "$SOCKET"
+$PYTHON ../../contrib/backup/qemu-backup.py drive add --id virtio0 --guest adad --target "$TEST_DIR"/virtio0
+echo
+echo "== Creating backup =="
+$PYTHON ../../contrib/backup/qemu-backup.py backup --guest adad
+_send_qemu_cmd $QEMU_HANDLE 'quit' ''
+wait=1 _cleanup_qemu
+echo
+echo "== Comparing images =="
+$QEMU_IMG compare "$TEST_DIR"/virtio0 "$TEST_IMG"
+_cleanup
+
+_launch_qemu -drive if=virtio,id=virtio0,file="$TEST_IMG" -qmp "$SOCKET",server,nowait
+$PYTHON ../../contrib/backup/qemu-backup.py guest add --guest adad --qmp "$SOCKET"
+$PYTHON ../../contrib/backup/qemu-backup.py drive add --id virtio0 --guest adad --target "$TEST_DIR"/virtio0
+echo
+echo "== Writing Pattern =="
+_send_qemu_cmd $QEMU_HANDLE 'qemu-io virtio0 "write -P 0x22 0 1M"' "(qemu)" | _filter_qemu_io
+echo
+echo "== Creating backup =="
+$PYTHON ../../contrib/backup/qemu-backup.py backup --guest adad
+_send_qemu_cmd $QEMU_HANDLE 'quit' ''
+wait=1 _cleanup_qemu
+echo
+echo "== Comparing images =="
+$QEMU_IMG compare "$TEST_DIR"/virtio0 "$TEST_IMG"
+_cleanup
+_cleanup_test_img
+
+echo "*** done"
+status=0
\ No newline at end of file
diff --git a/tests/qemu-iotests/191.out b/tests/qemu-iotests/191.out
new file mode 100644
index 0000000..c60d47a
--- /dev/null
+++ b/tests/qemu-iotests/191.out
@@ -0,0 +1,35 @@
+QA output created by 191
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+
+Successfully Added Guest
+Successfully Added Drive
+
+== Creating backup ==
+Backup Started
+*virtio0
+Backup Complete
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) Formatting 'TEST_DIR/virtio0', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16
+quit
+
+== Comparing images ==
+Images are identical.
+Successfully Added Guest
+Successfully Added Drive
+
+== Writing Pattern ==
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) qemu-io virtio0 "write -P 0x22 0 1M"
+
+== Creating backup ==
+Backup Started
+*virtio0
+Backup Complete
+wrote 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+(qemu) Formatting 'TEST_DIR/virtio0', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16
+quit
+
+== Comparing images ==
+Images are identical.
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index afbdc42..66fa231 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -186,4 +186,6 @@
 188 rw auto quick
 189 rw auto
 190 rw auto quick
+191 rw auto
 192 rw auto quick
+193 rw auto
-- 
2.7.4