diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/qemu-iotests/124 | 58 | ||||
| -rw-r--r-- | tests/qemu-iotests/124.out | 4 |
2 files changed, 55 insertions, 7 deletions
diff --git a/tests/qemu-iotests/124 b/tests/qemu-iotests/124 index 7d334225b5..de7cdbe00e 100644 --- a/tests/qemu-iotests/124 +++ b/tests/qemu-iotests/124 @@ -132,14 +132,16 @@ class TestIncrementalBackupBase(iotests.QMPTestCase): def img_create(self, img, fmt=iotests.imgfmt, size='64M', - parent=None, parentFormat=None): + parent=None, parentFormat=None, **kwargs): + optargs = [] + for k,v in kwargs.iteritems(): + optargs = optargs + ['-o', '%s=%s' % (k,v)] + args = ['create', '-f', fmt] + optargs + [img, size] if parent: if parentFormat is None: parentFormat = fmt - iotests.qemu_img('create', '-f', fmt, img, size, - '-b', parent, '-F', parentFormat) - else: - iotests.qemu_img('create', '-f', fmt, img, size) + args = args + ['-b', parent, '-F', parentFormat] + iotests.qemu_img(*args) self.files.append(img) @@ -307,6 +309,52 @@ class TestIncrementalBackup(TestIncrementalBackupBase): return self.do_incremental_simple(granularity=131072) + def test_larger_cluster_target(self): + ''' + Test: Create and verify backups made to a larger cluster size target. + + With a default granularity of 64KiB, verify that backups made to a + larger cluster size target of 128KiB without a backing file works. + ''' + drive0 = self.drives[0] + + # Create a cluster_size=128k full backup / "anchor" backup + self.img_create(drive0['backup'], cluster_size='128k') + self.assertTrue(self.do_qmp_backup(device=drive0['id'], sync='full', + format=drive0['fmt'], + target=drive0['backup'], + mode='existing')) + + # Create bitmap and dirty it with some new writes. + # overwrite [32736, 32799] which will dirty bitmap clusters at + # 32M-64K and 32M. 32M+64K will be left undirtied. + bitmap0 = self.add_bitmap('bitmap0', drive0) + self.hmp_io_writes(drive0['id'], + (('0xab', 0, 512), + ('0xfe', '16M', '256k'), + ('0x64', '32736k', '64k'))) + + + # Prepare a cluster_size=128k backup target without a backing file. + (target, _) = bitmap0.new_target() + self.img_create(target, bitmap0.drive['fmt'], cluster_size='128k') + + # Perform Incremental Backup + self.assertTrue(self.do_qmp_backup(device=bitmap0.drive['id'], + sync='incremental', + bitmap=bitmap0.name, + format=bitmap0.drive['fmt'], + target=target, + mode='existing')) + self.make_reference_backup(bitmap0) + + # Add the backing file, then compare and exit. + iotests.qemu_img('rebase', '-f', drive0['fmt'], '-u', '-b', + drive0['backup'], '-F', drive0['fmt'], target) + self.vm.shutdown() + self.check_backups() + + def test_incremental_transaction(self): '''Test: Verify backups made from transactionally created bitmaps. diff --git a/tests/qemu-iotests/124.out b/tests/qemu-iotests/124.out index dae404e278..36376bed87 100644 --- a/tests/qemu-iotests/124.out +++ b/tests/qemu-iotests/124.out @@ -1,5 +1,5 @@ -......... +.......... ---------------------------------------------------------------------- -Ran 9 tests +Ran 10 tests OK |