[jboss-as7-dev] Validation of XML Parsers / Schemas

[Carlo de Wolf]

On 09/27/2011 08:24 PM, Jason T. Greene wrote:
> On 9/27/11 11:42 AM, Darran Lofthouse wrote:
>> The topic of how to validate the XML parsers or the schemas crops up
>> every now and again.
>>
>> I have been having a couple of ideas of how we could at some point look
>> into this: -
>>
>> http://community.jboss.org/docs/DOC-17243
>>
>> The proposed idea actually covers two parts: -
>>      - A wrapper around the existing API that allows the parsers to just
>> request the elements / attributes they require and leave the wrapper to
>> handle all the error handling we currently have distributed across the
>> parsers.
>>
>>     - This then allows us during testing to validate that the calls match
>> the structure defined in the schema.
>>
>> I may try prototyping something other the weekend but thought I would
>> put this out there and see if anyone has any thoughts / comments.
> Hmm while I like the idea of better error reporting, I worry that the
> mechanism to test schema correctness is going to be very involved.
>
> Are you sure it's not easier to just write a few test cases for each parser?
>
We did something similar in the past: 
https://github.com/jfclere/jboss-beach-metadata

In essence xsds contain very wicked errors and problems that need be 
manually resolved.
Maybe Jean-Frederic can comment a bit more.

Carlo