On July 30, 2024 2:47:08 AM UTC, "Louis-Philippe Véronneau" <po...@debian.org> 
wrote:
>On 2024-07-30 11:09, Scott Kitterman wrote:
>> 
>> 
>> On July 30, 2024 12:49:50 AM UTC, "Louis-Philippe Véronneau" 
>> <po...@debian.org> wrote:
>>> On 2024-07-29 21:07, Scott Kitterman wrote:
>>>> 
>>>> 
>>>> On July 29, 2024 8:53:11 AM UTC, "Louis-Philippe Véronneau" 
>>>> <po...@debian.org> wrote:
>>>>> Hello,
>>>>> 
>>>>> As discussed during the DebConf24 Python BoF, I'm submitting this change 
>>>>> to the policy to require the use of the upstream test suite, both during 
>>>>> the build process and as an autopkgtest.
>>>>> 
>>>>> You can find the MR here:
>>>>> 
>>>>> https://salsa.debian.org/python-team/tools/python-modules/-/merge_requests/24
>>>>> 
>>>>> People present at the BoF seemed to think this was a good idea. If you 
>>>>> don't please reply to this message and make yourself heard :)
>>>> 
>>>> I understand the theory and why it's a good idea to run the test suite.  I 
>>>> don't think it ought to be a hard requirement.  I have several packages 
>>>> where there's a test suite, but I don't run it:
>>>> 
>>>> 1.  The largest set is packages that need test only dependencies which are 
>>>> not packaged.  When I am packaging something new which has a test suite, 
>>>> then I generally package any needed test depends. If those test depends 
>>>> also need test depends packaged, I generally stop and don't enable tests 
>>>> for things that are only in the archives to support tests.  Noseofyeti is 
>>>> an example of this.
>>> 
>>> That sounds like a valid technical reason not to run the tests to me :)
>>> 
>>>> 2.  There's at least one case where Debian has customizations that cause 
>>>> the test suite to fail, but the failures don't seem to cause any real 
>>>> problems.  If anyone wants to make it so the weasyprint test suite works 
>>>> on Debian, please knock yourself out.
>>> 
>>> Again, as long as you document that, I don't think it would go against the 
>>> proposed policy change.
>>> 
>>>> 3.  I also maintain multiple packages which require network access to run 
>>>> their test suite, so they can't run tests during build, only autopkgtests.
>>> 
>>> Same.
>>> 
>> 
>> Except for #3, I don't get that from the wording in the MR.  I don't think 
>> not worth the trouble is a technical reason.  I think the real rule that's 
>> being proposed is that packages must run the test suit or document why not.  
>> I don't have a problem with that, but I don't think that's what it actually 
>> says now.  I think if you were to change must to should and strike the word 
>> technical before reason, it would accomplish the same thing and be clearer.  
>> I could support that.
>
>Language is hard and I'm not a native English speaker :)
>
>What I want to prevent is people not running tests because they don't feel 
>like it, even though it would not take them a large amount of efforts to do so.
>
>I'll strike "technical", as it seems others also interpreted this word they 
>way you have.
>
>As for "MUST" vs "SHOULD", I believe the exception clause provides enough 
>leeway to justify a reasonable way out in case of $VALID_REASON.
>
>"SHOULD" is not particularly strong and again, I fear it would let people get 
>away with not running tests although it wouldn't be much work to do so...
>

I guess it depends on how you look at the word.  In the context of technical 
specifications, I tend to think of terms as defined in RFC 2119 [1].  I think 
that's pretty close to what you are suggesting:

3. SHOULD   This word, or the adjective "RECOMMENDED", mean that there
   may exist valid reasons in particular circumstances to ignore a
   particular item, but the full implications must be understood and
   carefully weighed before choosing a different course.

The way RFC 2119 defines MUST doesn't leave much room for exceptions.  If you 
want to be clear, I suggest SHOULD with a reference to RFC 2119.  While not 
universal, it is a widely used reference for definitions of these terms in 
technical specifications.

Scott K

[1] https://datatracker.ietf.org/doc/html/rfc2119#section-3

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