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Re: [PATCH 14/18] iotests: Make 110 work with data_file
From: |
Maxim Levitsky |
Subject: |
Re: [PATCH 14/18] iotests: Make 110 work with data_file |
Date: |
Mon, 30 Sep 2019 16:41:27 +0300 |
On Mon, 2019-09-30 at 15:34 +0200, Max Reitz wrote:
> On 29.09.19 18:34, Maxim Levitsky wrote:
> > On Fri, 2019-09-27 at 11:42 +0200, Max Reitz wrote:
> > > The only difference is that the json:{} filename of the image looks
> > > different. We actually do not care about that filename in this test, we
> > > are only interested in (1) that there is a json:{} filename, and (2)
> > > whether the backing filename can be constructed.
> > >
> > > So just filter out the json:{} data, thus making this test pass both
> > > with and without data_file.
> > >
> > > Signed-off-by: Max Reitz <address@hidden>
> > > ---
> > > tests/qemu-iotests/110 | 7 +++++--
> > > tests/qemu-iotests/110.out | 4 ++--
> > > 2 files changed, 7 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/tests/qemu-iotests/110 b/tests/qemu-iotests/110
> > > index f78df0e6e1..34459dcd60 100755
> > > --- a/tests/qemu-iotests/110
> > > +++ b/tests/qemu-iotests/110
> > > @@ -67,6 +67,7 @@ echo
> > > # Across blkdebug without a config file, you cannot reconstruct
> > > filenames, so
> > > # qemu is incapable of knowing the directory of the top image from the
> > > filename
> > > # alone. However, using bdrv_dirname(), it should still work.
> > > +# (Filter out the json:{} filename so this test works with external data
> > > files)
> > > TEST_IMG="json:{
> > > 'driver': '$IMGFMT',
> > > 'file': {
> > > @@ -82,7 +83,8 @@ TEST_IMG="json:{
> > > }
> > > ]
> > > }
> > > -}" _img_info | _filter_img_info | grep -v 'backing file format'
> > > +}" _img_info | _filter_img_info | grep -v 'backing file format' \
> > > + | sed -e 's#^image: json:.*#image: json:{ /* filtered */ }#'
> > >
> > > echo
> > > echo '=== Backing name is always relative to the backed image ==='
> > > @@ -114,7 +116,8 @@ TEST_IMG="json:{
> > > }
> > > ]
> > > }
> > > -}" _img_info | _filter_img_info | grep -v 'backing file format'
> > > +}" _img_info | _filter_img_info | grep -v 'backing file format' \
> > > + | sed -e 's#^image: json:.*#image: json:{ /* filtered */ }#'
> > >
> > >
> > > # success, all done
> > > diff --git a/tests/qemu-iotests/110.out b/tests/qemu-iotests/110.out
> > > index f60b26390e..f835553a99 100644
> > > --- a/tests/qemu-iotests/110.out
> > > +++ b/tests/qemu-iotests/110.out
> > > @@ -11,7 +11,7 @@ backing file: t.IMGFMT.base (actual path:
> > > TEST_DIR/t.IMGFMT.base)
> > >
> > > === Non-reconstructable filename ===
> > >
> > > -image: json:{"driver": "IMGFMT", "file": {"set-state.0.event":
> > > "read_aio", "image": {"driver": "file", "filename": "TEST_DIR/t.IMGFMT"},
> > > "driver": "blkdebug", "set-state.0.new_state": 42}}
> > > +image: json:{ /* filtered */ }
> > > file format: IMGFMT
> > > virtual size: 64 MiB (67108864 bytes)
> > > backing file: t.IMGFMT.base (actual path: TEST_DIR/t.IMGFMT.base)
> > > @@ -22,7 +22,7 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT
> > > size=67108864 backing_file=t.IMGFMT.b
> > >
> > > === Nodes without a common directory ===
> > >
> > > -image: json:{"driver": "IMGFMT", "file": {"children": [{"driver":
> > > "file", "filename": "TEST_DIR/t.IMGFMT"}, {"driver": "file", "filename":
> > > "TEST_DIR/t.IMGFMT.copy"}], "driver": "quorum", "vote-
> > > threshold": 1}}
> > > +image: json:{ /* filtered */ }
> > > file format: IMGFMT
> > > virtual size: 64 MiB (67108864 bytes)
> > > backing file: t.IMGFMT.base (cannot determine actual path)
> >
> > Again, maybe put that into the common.filter, so new tests won't need to
> > copy&paste this?
>
> Good idea.
>
> > Also maybe remove the image name completely from output, thus not needing
> > the more complex regex?
>
> I’d prefer to still see that there is a json:{} filename instead of a
> plain one. (This is important in this test because for plain filenames,
> it’s generally easy to reconstruct the backing file path; it’s only
> difficult for json:{} filenames.)
All right, seems good.
Best regards,
Maxim Levitsky
>
> Max
>
[PATCH 16/18] iotests: Make 198 work with data_file, Max Reitz, 2019/09/27
[PATCH 17/18] iotests: Disable data_file where it cannot be used, Max Reitz, 2019/09/27