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Re: possible bug in SPARQL syntax test suite

From: Steve Harris <steve.harris@garlik.com>
Date: Tue, 18 Dec 2012 11:06:46 +0000
Cc: "Polleres, Axel" <axel.polleres@siemens.com>, "public-rdf-dawg@w3.org" <public-rdf-dawg@w3.org>
Message-Id: <D6ED0B7B-0060-432B-ADB7-A6EB849A3DF1@garlik.com>
To: Andy Seaborne <andy.seaborne@epimorphics.com>
I think we should remove them altogether - leaving them in there invites questions.

- Steve

On 18 Dec 2012, at 10:12, Andy Seaborne wrote:

> 
> 
> On 18/12/12 10:10, Polleres, Axel wrote:
>> How about - for now - commenting them out in the
>> turtle (with a comment why it was removed)?
> 
> OK but that seems the same as removing them because its not in the triples.
> 
> It's already commented out (with reason) in the manifest, but that does not seem to be enough.
> 
> 	Andy
> 
>> 
>> Axel
>> 
>>> -----Original Message-----
>>> From: Andy Seaborne [mailto:andy.seaborne@epimorphics.com]
>>> Sent: Dienstag, 18. Dezember 2012 10:54
>>> To: SPARQL Working Group
>>> Subject: Fwd: possible bug in SPARQL syntax test suite
>>> 
>>> We ought to remove inactive tests!
>>> 
>>>       Andy
>>> 
>>> -------- Original Message --------
>>> Subject: possible bug in SPARQL syntax test suite
>>> Resent-Date: Tue, 18 Dec 2012 01:36:52 +0000
>>> Resent-From: public-rdf-dawg-comments@w3.org
>>> Date: Tue, 18 Dec 2012 14:36:14 +1300
>>> From: Jeen Broekstra <jeen.broekstra@gmail.com>
>>> To: public-rdf-dawg-comments@w3.org
>>> 
>>> In running the syntax tests over the latest update of the SPARQL test suite, I
>>> encountered the following positive test, which fails for me:
>>> 
>>> http://www.w3.org/2009/sparql/docs/tests/data-sparql11/syntax-query/qname-
>>> escape-01.rq
>>> 
>>> The query is the following:
>>> 
>>> PREFIX og: <http://ogp.me/ns#>
>>> SELECT * WHERE {
>>>       ?page og:audio\:title ?title
>>> }
>>> 
>>> As far as I can tell, this test case is out of date: colons in prefixed
>>> localnames are no longer to be escaped, and grammar production PN_LOCAL_ESC
>>> (see http://www.w3.org/TR/sparql11-query/#rPN_LOCAL_ESC)
>>> does no longer contain the ':' character as a legal value for escaping.
>>> 
>>> There is a negative syntax test which covers exactly the same issue:
>>> 
>>> http://www.w3.org/2009/sparql/docs/tests/data-sparql11/syntax-query/syn-bad-
>>> pname-06.rq
>>> 
>>> Query:
>>> 
>>> PREFIX : <http://example/>
>>> SELECT *
>>> {
>>>    :a :b :c\:z .
>>> }
>>> 
>>> Clearly, these two tests are contradicting each other, and I suspect that the
>>> first one should be removed.
>>> 
>>> Regards,
>>> 
>>> Jeen
>>> 
>>> 
>>> 
>> 
> 

-- 
Steve Harris, CTO
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Received on Tuesday, 18 December 2012 11:07:13 GMT

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