[lldb-dev] Ubuntu version-based fail/skip

Todd Fiala via lldb-dev lldb-dev at lists.llvm.org
Thu Jan 28 15:03:06 PST 2016

That could be a reasonable way to do it.  Now that I think about it,
unittest2 already gives us a generic skip where we can put the logic in
that we want.  Not sure why that didn't occur to me earlier as I've done
that very thing in the past. (I think I've conditioned myself to use our
custom decorators...)

On Mon, Jan 25, 2016 at 5:44 AM, Tamas Berghammer <tberghammer at google.com>

> I think recently we are trying to reduce the number of decorators we are
> having so adding a few new Ubuntu specific decorators might not be a good
> idea. My suggestion would be to move on a little bit to the functional
> programming style with adding a new option to @expetedFailureAll where we
> can specify a function what have to evaluate to true for the decorator to
> be considered (and it is evaluated only after all other condition of
> @expectedFailureAll). Then we can create a free function called
> getLinuxDistribution what will return the distribution id and then as a
> final step we can specify a lambda to expetedFailureAll through its new
> argument what calls getLinuxDistribution and compares it with the right
> value. I know it is a lot of hoops to jump over to get a distribution
> specific decorator but I think this approach can handle arbitrarily complex
> skip/xfail conditions what will help us in the future.
> What do you think?
> Thanks,
> Tamas
> On Fri, Jan 22, 2016 at 6:31 PM Todd Fiala <todd.fiala at gmail.com> wrote:
>> Hey all,
>> What do you think about having some kind of way of marking the (in this
>> case, specifically) Ubuntu distribution for fail/skip test decorators?
>> I've had a few cases where I've needed to mark tests failing on for Ubuntu
>> where it really was only a particular release of an Ubuntu distribution,
>> and wasn't specifically the compiler.  (i.e. it was a constellation of more
>> moving parts that clearly occur on a particular release of an Ubuntu
>> distribution but not on others, and certainly not generically across all
>> Linux distributions).
>> I'd love to have a way to skip and xfail a test for a specific Ubuntu
>> distribution release.  I guess it could be done uber-genrically, but with
>> Linux distributions this can get complicated due to the os/distribution
>> axes.  So I'd be happy to start off with just having them at a distribution
>> basis:
>> @skipIfUbuntu(version_check_list)  # version_check_list contains one or
>> more version checks that, if passing, trigger the skip
>> @expectedFailureUbuntu(version_check_list)  # similar to above
>> Or possibly more usefully,
>> @skipIfLinuxDistribution(version_check_list)  # version_check_list
>> contains one or more version checks that, if passing, trigger the skip,
>> includes the distribution
>> @expectedFailureLinuxDistribution(version_check_list)  # similar to above
>> It's not clear to me how to work in the os=linux, distribution=Ubuntu
>> into the more generic checks like and get distribution-level version
>> checking working right otherwise, but I'm open to suggestions.
>> The workaround for the short term is to just use blanket-linux @skipIf
>> and @expectedFailure style calls.
>> Thoughts?
>> --
>> -Todd

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