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authorKevin Wolf <kwolf@redhat.com>2012-02-16 16:55:01 +0100
committerKevin Wolf <kwolf@redhat.com>2012-04-05 14:54:41 +0200
commitf394f1feb921d5a4b278e7ac95bdaa49e34a52f2 (patch)
treeb1efa880b5c8bb66f937c29baf99e150b1e4fccb /tests
parent6e19b3c4e0b40b08ccb550a0c0a65798f3a17ac8 (diff)
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qemu-iotests: Test unknown qcow2 header extensions
The immportant thing here is that header extensions don't get silently dropped when the header is rewritten, e.g. during a rebase. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests')
-rwxr-xr-xtests/qemu-iotests/03172
-rw-r--r--tests/qemu-iotests/031.out76
-rw-r--r--tests/qemu-iotests/group1
3 files changed, 149 insertions, 0 deletions
diff --git a/tests/qemu-iotests/031 b/tests/qemu-iotests/031
new file mode 100755
index 0000000..6365f28
--- /dev/null
+++ b/tests/qemu-iotests/031
@@ -0,0 +1,72 @@
+#!/bin/bash
+#
+# Test that all qcow2 header extensions survive a header rewrite
+#
+# Copyright (C) 2011 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`
+tmp=/tmp/$$
+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
+. ./common.pattern
+
+# This tests qcow2-specific low-level functionality
+_supported_fmt qcow2
+_supported_proto generic
+_supported_os Linux
+
+CLUSTER_SIZE=65536
+echo
+echo === Create image with unknown header extension ===
+echo
+_make_test_img 64M
+./qcow2.py $TEST_IMG add-header-ext 0x12345678 "This is a test header extension"
+./qcow2.py $TEST_IMG dump-header
+_check_test_img
+
+echo
+echo === Rewrite header with no backing file ===
+echo
+$QEMU_IMG rebase -u -b "" $TEST_IMG
+./qcow2.py $TEST_IMG dump-header
+_check_test_img
+
+echo
+echo === Add a backing file and format ===
+echo
+$QEMU_IMG rebase -u -b "/some/backing/file/path" -F host_device $TEST_IMG
+./qcow2.py $TEST_IMG dump-header
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/031.out b/tests/qemu-iotests/031.out
new file mode 100644
index 0000000..0f1bf68
--- /dev/null
+++ b/tests/qemu-iotests/031.out
@@ -0,0 +1,76 @@
+QA output created by 031
+
+=== Create image with unknown header extension ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 cluster_size=65536
+magic 0x514649fb
+version 2
+backing_file_offset 0x0
+backing_file_size 0x0
+cluster_bits 16
+size 67108864
+crypt_method 0
+l1_size 1
+l1_table_offset 0x30000
+refcount_table_offset 0x10000
+refcount_table_clusters 1
+nb_snapshots 0
+snapshot_offset 0x0
+
+Header extension:
+magic 0x12345678
+length 31
+data 'This is a test header extension'
+
+No errors were found on the image.
+
+=== Rewrite header with no backing file ===
+
+magic 0x514649fb
+version 2
+backing_file_offset 0x0
+backing_file_size 0x0
+cluster_bits 16
+size 67108864
+crypt_method 0
+l1_size 1
+l1_table_offset 0x30000
+refcount_table_offset 0x10000
+refcount_table_clusters 1
+nb_snapshots 0
+snapshot_offset 0x0
+
+Header extension:
+magic 0x12345678
+length 31
+data 'This is a test header extension'
+
+No errors were found on the image.
+
+=== Add a backing file and format ===
+
+magic 0x514649fb
+version 2
+backing_file_offset 0x90
+backing_file_size 0x17
+cluster_bits 16
+size 67108864
+crypt_method 0
+l1_size 1
+l1_table_offset 0x30000
+refcount_table_offset 0x10000
+refcount_table_clusters 1
+nb_snapshots 0
+snapshot_offset 0x0
+
+Header extension:
+magic 0xe2792aca
+length 11
+data 'host_device'
+
+Header extension:
+magic 0x12345678
+length 31
+data 'This is a test header extension'
+
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index b549f10..1742ede 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -37,3 +37,4 @@
028 rw backing auto
029 rw auto quick
030 rw auto
+031 rw auto quick