Re: [Qemu-devel] [PATCH v2 2/4] tests/qemu-iotests/group: Remove some more tests from the "auto" group

[Max Reitz <mreitz@redhat.com>]

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On 16.07.19 17:56, Eric Blake wrote:
> On 7/16/19 10:44 AM, Max Reitz wrote:
>> On 16.07.19 17:31, Thomas Huth wrote:
>>> On 16/07/2019 17.26, Max Reitz wrote:
>>>> On 16.07.19 14:28, Thomas Huth wrote:
>>>>> Remove some more tests from the "auto" group that either have issues
>>>>> in certain environments (like macOS or FreeBSD, or on certain file systems
>>>>> like ZFS or tmpfs), do not work with the qcow2 format, or that are simply
>>>>> taking too much time.
>>>>>
>>>>> Signed-off-by: Thomas Huth <thuth@redhat.com>
>>>>> ---
>>>>>  tests/qemu-iotests/group | 114 ++++++++++++++++++++-------------------
>>>>>  1 file changed, 58 insertions(+), 56 deletions(-)
>>>>
>>>> I just looked through the list to see whether any of the test seems like
>>>> we’d want to keep it even though it is a bit slow.  Mostly I was looking
>>>> for tests that cover complex cases.
>>>>
>>>> 255 is the only one that seemed to fit that bill to me.  So why do you
>>>> remove it?  Is it because it takes two seconds?
>>>
>>> No, I removed it because it was failing on macOS:
>>>
>>>  https://cirrus-ci.com/task/4860239294234624
>>>
>>> ("OSError: AF_UNIX path too long" is the error, if I got that right)
>>
>> Ah, OK.  So, uh, we effectively can’t run any Python tests on macOS?
> 
> Not when our CI is set up to use super-long file names:
> 
> +  File
> "/private/var/folders/sy/2x5qvs0n4lg18fry9jz4y21m0000gn/T/cirrus-ci-build/tests/qemu-iotests/../../python/qemu/machine.py",
> line 294, in launch

That isn’t really long.

> Is there any way to create our sockets somewhere under /tmp instead of
> inside tests/qemu-iotests, so that we have a shorter filename for
> sockets no matter how deep in the file hierarchy the tests themselves live?
> 
> Also, at one point, we tossed around the idea of
> s/qemu-iotests/iotests/, to shave off 5 characters that don't really add
> anything.

I’d personally rather just skip the iotests if we detect such a silly
OS, but maybe that’s just me.

Max


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