iotests: Make 157 actually format-agnostic

iotest 157 pretends not to care about the image format used, but in fact
it does due to the format name not being filtered in its output. This
patch adds filtering and changes the reference output accordingly.

Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 tests/qemu-iotests/157     |  3 ++-
 tests/qemu-iotests/157.out | 16 ++++++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

On 07/11/2016 09:22 AM, Max Reitz wrote:
> iotest 157 pretends not to care about the image format used, but in fact
> it does due to the format name not being filtered in its output. This
> patch adds filtering and changes the reference output accordingly.
> 
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
>  tests/qemu-iotests/157     |  3 ++-
>  tests/qemu-iotests/157.out | 16 ++++++++--------
>  2 files changed, 10 insertions(+), 9 deletions(-)
> 
> diff --git a/tests/qemu-iotests/157 b/tests/qemu-iotests/157
> index 2699168..8d939cb 100755
> --- a/tests/qemu-iotests/157
> +++ b/tests/qemu-iotests/157
> @@ -57,7 +57,8 @@ function do_run_qemu()
>  
>  function run_qemu()
>  {
> -    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_generated_node_ids
> +    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt \
> +                          | _filter_qemu | _filter_generated_node_ids
>  }
>  
>  
> diff --git a/tests/qemu-iotests/157.out b/tests/qemu-iotests/157.out
> index 5aa9c0e..77a9c03 100644
> --- a/tests/qemu-iotests/157.out
> +++ b/tests/qemu-iotests/157.out
> @@ -3,20 +3,20 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
>  
>  === Setting WCE with qdev and with manually created BB ===
>  
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writeback -device virtio-blk,drive=none0
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writeback -device virtio-blk,drive=none0
>      Cache mode:       writeback
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writeback -device virtio-blk,drive=none0,write-cache=auto
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writeback -device virtio-blk,drive=none0,write-cache=auto
>      Cache mode:       writeback
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writeback -device virtio-blk,drive=none0,write-cache=on
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writeback -device virtio-blk,drive=none0,write-cache=on
>      Cache mode:       writeback
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writeback -device virtio-blk,drive=none0,write-cache=off
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writeback -device virtio-blk,drive=none0,write-cache=off
>      Cache mode:       writethrough
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writethrough -device virtio-blk,drive=none0
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writethrough -device virtio-blk,drive=none0
>      Cache mode:       writethrough
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writethrough -device virtio-blk,drive=none0,write-cache=auto
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writethrough -device virtio-blk,drive=none0,write-cache=auto
>      Cache mode:       writethrough
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writethrough -device virtio-blk,drive=none0,write-cache=on
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writethrough -device virtio-blk,drive=none0,write-cache=on
>      Cache mode:       writeback
> -Testing: -drive if=none,file=TEST_DIR/t.qcow2,driver=qcow2,cache=writethrough -device virtio-blk,drive=none0,write-cache=off
> +Testing: -drive if=none,file=TEST_DIR/t.IMGFMT,driver=IMGFMT,cache=writethrough -device virtio-blk,drive=none0,write-cache=off
>      Cache mode:       writethrough
>  *** done
> 

http://i.imgur.com/WH2XBUG.jpg

Reviewed-by: John Snow <jsnow@redhat.com>