Re: [PATCH v2 8/8] iotests: add tests for "qemu-img rebase" with compression

[Hanna Czenczek <hreitz@redhat.com>]

On 15.09.23 18:20, Andrey Drobyshev wrote:
> The test cases considered so far:
>
> 314 (new test suite):
>
> 1. Check that compression mode isn't compatible with "-f raw" (raw
>     format doesn't support compression).
> 2. Check that rebasing an image onto no backing file preserves the data
>     and writes the copied clusters actually compressed.
> 3. Same as 2, but with a raw backing file (i.e. the clusters copied from the
>     backing are originally uncompressed -- we check they end up compressed
>     after being merged).
> 4. Remove a single delta from a backing chain, perform the same checks
>     as in 2.
> 5. Check that even when backing and overlay are initially uncompressed,
>     copied clusters end up compressed when rebase with compression is
>     performed.
>
> 271:
>
> 1. Check that when target image has subclusters, rebase with compression
>     will make an entire cluster containing the written subcluster
>     compressed.
>
> Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
> ---
>   tests/qemu-iotests/271     |  65 +++++++++++++++
>   tests/qemu-iotests/271.out |  40 +++++++++
>   tests/qemu-iotests/314     | 165 +++++++++++++++++++++++++++++++++++++
>   tests/qemu-iotests/314.out |  75 +++++++++++++++++
>   4 files changed, 345 insertions(+)
>   create mode 100755 tests/qemu-iotests/314
>   create mode 100644 tests/qemu-iotests/314.out

Reviewed-by: Hanna Czenczek <hreitz@redhat.com>