Commit 8a9cb864 authored by Max Reitz's avatar Max Reitz
Browse files

iotests: Test incremental backup after truncation 



Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
Message-id: 20190805152840.32190-1-mreitz@redhat.com
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
parent 4e4de222

tests/qemu-iotests/124

+34 −4
Original line number Diff line number Diff line
@@ -212,24 +212,27 @@ class TestIncrementalBackupBase(iotests.QMPTestCase): 
        return bitmap





    def prepare_backup(self, bitmap=None, parent=None):

    def prepare_backup(self, bitmap=None, parent=None, **kwargs):

        if bitmap is None:

            bitmap = self.bitmaps[-1]

        if parent is None:

            parent, _ = bitmap.last_target()



        target, _ = bitmap.new_target()

        self.img_create(target, bitmap.drive['fmt'], parent=parent)

        self.img_create(target, bitmap.drive['fmt'], parent=parent,

                        **kwargs)

        return target





    def create_incremental(self, bitmap=None, parent=None,

                           parentFormat=None, validate=True):

                           parentFormat=None, validate=True,

                           target=None):

        if bitmap is None:

            bitmap = self.bitmaps[-1]

        if parent is None:

            parent, _ = bitmap.last_target()



        if target is None:

            target = self.prepare_backup(bitmap, parent)

        res = self.do_qmp_backup(job_id=bitmap.drive['id'],

                                 device=bitmap.drive['id'],
@@ -572,6 +575,33 @@ class TestIncrementalBackup(TestIncrementalBackupBase): 
                          'bitmap0', self.drives[0],

                          granularity=64000)



    def test_growing_before_backup(self):

        '''

        Test: Add a bitmap, truncate the image, write past the old

              end, do a backup.



        Incremental backup should not ignore dirty bits past the old

        image end.

        '''

        self.assert_no_active_block_jobs()



        self.create_anchor_backup()



        self.add_bitmap('bitmap0', self.drives[0])



        res = self.vm.qmp('block_resize', device=self.drives[0]['id'],

                          size=(65 * 1048576))

        self.assert_qmp(res, 'return', {})



        # Dirty the image past the old end

        self.vm.hmp_qemu_io(self.drives[0]['id'], 'write 64M 64k')



        target = self.prepare_backup(size='65M')

        self.create_incremental(target=target)



        self.vm.shutdown()

        self.check_backups()





class TestIncrementalBackupBlkdebug(TestIncrementalBackupBase):

    '''Incremental backup tests that utilize a BlkDebug filter on drive0.'''

tests/qemu-iotests/124.out

+2 −2
Original line number Diff line number Diff line 
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----------------------------------------------------------------------

Ran 12 tests

Ran 13 tests



OK