Re: [Qemu-devel] [PATCH v12 06/10] iotests: Improve _filter_qemu_img_map

[Max Reitz]

On 04.05.2017 05:07, Eric Blake wrote:
> Although _filter_qemu_img_map documents that it scrubs offsets, it
> was only doing so for human mode.  Of the existing tests using the
> filter (97, 122, 150, 154, 176), two of them are affected, but it
> does not hurt the validity of the tests to not require particular
> mappings (another test, 66, uses offsets but intentionally does not
> pass through _filter_qemu_img_map, because it checks that offsets
> are unchanged before and after an operation).
> 
> Another justification for this patch is that it will allow a future
> patch to utilize 'qemu-img map --output=json' to check the status of
> preallocated zero clusters without regards to the mapping (since
> the qcow2 mapping can be very sensitive to the chosen cluster size,
> when preallocation is not in use).
> 
> Signed-off-by: Eric Blake <ebl...@redhat.com>
> 
> ---
> v12: new patch
> ---
>  tests/qemu-iotests/common.filter |  4 +++-
>  tests/qemu-iotests/122.out       | 16 ++++++++--------
>  tests/qemu-iotests/154.out       | 30 +++++++++++++++---------------
>  3 files changed, 26 insertions(+), 24 deletions(-)
> 
> diff --git a/tests/qemu-iotests/common.filter 
> b/tests/qemu-iotests/common.filter
> index f58548d..2c14f15 100644
> --- a/tests/qemu-iotests/common.filter
> +++ b/tests/qemu-iotests/common.filter
> @@ -152,10 +152,12 @@ _filter_img_info()
>          -e "/log_size: [0-9]\\+/d"
>  }
> 
> -# filter out offsets and file names from qemu-img map
> +# filter out offsets and file names from qemu-img map; good for both
> +# human and json output
>  _filter_qemu_img_map()
>  {
>      sed -e 's/\([0-9a-fx]* *[0-9a-fx]* *\)[0-9a-fx]* */\1/g' \
> +     -e 's/"offset": [0-9]\+/"offset": OFFSET/g' \>          -e 's/Mapped to 
> *//' | _filter_testdir | _filter_imgfmt

This makes my OCD very sad.

With the alignment fixed:

Reviewed-by: Max Reitz <mre...@redhat.com>

(Without this fixed: Will-change-when-applying-and-then-add-the-R-b)

>  }

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