[DFDL-WG] DFDL spec & error codes (was Fw: TDML question)
Steve Hanson
smh at uk.ibm.com
Mon Jun 18 04:42:27 EDT 2012
Added to WG agenda.
Regards
Steve Hanson
Architect, Data Format Description Language (DFDL)
Co-Chair, OGF DFDL Working Group
IBM SWG, Hursley, UK
smh at uk.ibm.com
tel:+44-1962-815848
----- Forwarded by Steve Hanson/UK/IBM on 18/06/2012 09:38 -----
From: Steve Hanson/UK/IBM
To: Tim Kimber/UK/IBM at IBMGB
Cc: Mike Beckerle <mbeckerle.dfdl at gmail.com>
Date: 14/06/2012 09:19
Subject: Re: TDML question
We should discuss this at the WG when we have got our current backlog and
action 140 out of the way. It's all part of the deferred conformance
suite action 166.
Regards
Steve Hanson
Architect, Data Format Description Language (DFDL)
Co-Chair, OGF DFDL Working Group
IBM SWG, Hursley, UK
smh at uk.ibm.com
tel:+44-1962-815848
From: Tim Kimber/UK/IBM
To: Mike Beckerle <mbeckerle.dfdl at gmail.com>
Cc: Steve Hanson/UK/IBM at IBMGB
Date: 13/06/2012 21:42
Subject: Re: TDML question
Hi Mike,
Fair question. IBM requires all diagnostic messages from its software
products to be identified by a unique error code. In the IBM test driver
program, it is this code that we check for.
The XML Schema specification actually assigns unique strings to the
various types of error that can occur ( e.g. cvc-* ). If the DFDL
specification did the same then the TDML format would be able to specify
that the content of the <errors> tag is a list of defined error codes.
For DFDL v1.0, I think implementers are free to use it in a way that fits
their own requirements.
regards,
Tim Kimber, Common Transformation Team,
Hursley, UK
Internet: kimbert at uk.ibm.com
Tel. 01962-816742
Internal tel. 246742
From: Mike Beckerle <mbeckerle.dfdl at gmail.com>
To: Steve Hanson/UK/IBM at IBMGB, Tim Kimber/UK/IBM at IBMGB
Date: 13/06/2012 20:45
Subject: TDML question
I'm enhancing the daffodil TDML runner. I want to keep it compatible with
the IBM one so that we can use TDML files as an interchange medium for
discussing bugs/semantics/etc.
I added the error feature where one can put expected errors into the TDML
file.
I have a question about the <error>...</error> element. Which is this: How
is the string contents of these error elements used?
I tentatively just have it search the error messages created by the parse
for these error strings. If any actual error message contains the error
string, then that error "passes".
Here's my example, which is parsing a 2 character integer, which will fail
because the text is AA, and this is base 10.
<ts:testSuite xmlns:ts={ tdml } suiteName="theSuiteName">
<ts:parserTestCase ID="some identifier"
name="firstUnitTest" root="data">
<ts:document>AA</ts:document>
<ts:errors>
<ts:error>convert</ts:error> <!-- can have
several substrings of message -->
<ts:error>xs:int</ts:error> <!-- all are checked
against the message -->
</ts:errors>
</ts:parserTestCase>
</ts:testSuite>
So my test passes so long as the words "convert" and "xs:int" are found in
the error message that is generated.
Is this consistent with your TDML file usage?
...mikeb
--
Mike Beckerle | OGF DFDL WG Co-Chair
Tel: 781-330-0412
Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number
741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
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