Commit bd5ceebf authored by John Snow's avatar John Snow
Browse files

iotests/257: test traditional sync modes 



Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
Reviewed-by: default avatarMax Reitz <mreitz@redhat.com>
Message-id: 20190716000117.25219-12-jsnow@redhat.com
[Edit 'Bitmap' --> 'bitmap' in 257.out --js]
Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
parent 1a2b8b40

tests/qemu-iotests/257

+39 −2
Original line number Diff line number Diff line
@@ -283,6 +283,12 @@ def test_bitmap_sync(bsync_mode, msync_mode='bitmap', failure=None): 
                      Bitmaps are always synchronized, regardless of failure.

                      (Partial images must be kept.)



    :param msync_mode: The mirror sync mode to use for the first backup.

                       Can be any one of:

        - bitmap: Backups based on bitmap manifest.

        - full:   Full backups.

        - top:    Full backups of the top layer only.



    :param failure: Is the (optional) failure mode, and can be any of:

        - None:         No failure. Test the normative path. Default.

        - simulated:    Cancel the job right before it completes.
@@ -393,7 +399,7 @@ def test_bitmap_sync(bsync_mode, msync_mode='bitmap', failure=None): 
            # group 1 gets cleared first, then group two gets written.

            if ((bsync_mode == 'on-success' and not failure) or

                (bsync_mode == 'always')):

                ebitmap.clear_group(1)

                ebitmap.clear()

            ebitmap.dirty_group(2)



        vm.run_job(job, auto_dismiss=True, auto_finalize=False,
@@ -404,8 +410,19 @@ def test_bitmap_sync(bsync_mode, msync_mode='bitmap', failure=None): 
        log('')



        if bsync_mode == 'always' and failure == 'intermediate':

            # TOP treats anything allocated as dirty, expect to see:

            if msync_mode == 'top':

                ebitmap.dirty_group(0)



            # We manage to copy one sector (one bit) before the error.

            ebitmap.clear_bit(ebitmap.first_bit)



            # Full returns all bits set except what was copied/skipped

            if msync_mode == 'full':

                fail_bit = ebitmap.first_bit

                ebitmap.clear()

                ebitmap.dirty_bits(range(fail_bit, SIZE // GRANULARITY))



        ebitmap.compare(get_bitmap(bitmaps, drive0.device, 'bitmap0'))



        # 2 - Writes and Reference Backup
@@ -499,10 +516,25 @@ def test_backup_api(): 
                'bitmap404': ['on-success', 'always', 'never', None],

                'bitmap0':   [None],

            },

            'full': {

                None:        ['on-success', 'always', 'never'],

                'bitmap404': ['on-success', 'always', 'never', None],

                'bitmap0':   ['never', None],

            },

            'top': {

                None:        ['on-success', 'always', 'never'],

                'bitmap404': ['on-success', 'always', 'never', None],

                'bitmap0':   ['never', None],

            },

            'none': {

                None:        ['on-success', 'always', 'never'],

                'bitmap404': ['on-success', 'always', 'never', None],

                'bitmap0':   ['on-success', 'always', 'never', None],

            }

        }



        # Dicts, as always, are not stably-ordered prior to 3.7, so use tuples:

        for sync_mode in ('incremental', 'bitmap'):

        for sync_mode in ('incremental', 'bitmap', 'full', 'top', 'none'):

            log("-- Sync mode {:s} tests --\n".format(sync_mode))

            for bitmap in (None, 'bitmap404', 'bitmap0'):

                for policy in error_cases[sync_mode][bitmap]:
@@ -517,6 +549,11 @@ def main(): 
        for failure in ("simulated", "intermediate", None):

            test_bitmap_sync(bsync_mode, "bitmap", failure)



    for sync_mode in ('full', 'top'):

        for bsync_mode in ('on-success', 'always'):

            for failure in ('simulated', 'intermediate', None):

                test_bitmap_sync(bsync_mode, sync_mode, failure)



    test_backup_api()



if __name__ == '__main__':

tests/qemu-iotests/257.out

+3089 −0

File changed.

Preview size limit exceeded, changes collapsed.