[jira] [Commented] (DAFFODIL-2618) TDML test file cannot specify xmlns="" on the tdml:defineSchema element

["Mike Beckerle (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DAFFODIL-2618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17479500#comment-17479500 ] 

Mike Beckerle commented on DAFFODIL-2618:
-----------------------------------------

This works if you also specify useDefaultNamespace='false' on the tdml:defineSchema element. 

Without that the TDML tool extracts the defineSchema and creates a temporary schema file and puts the example namespace as the default. 

So this is working as designed. 

The file computedLengthFields.tdml uses xmlns="" on the defineSchema element as an illustration. 


> TDML test file cannot specify xmlns="" on the tdml:defineSchema element
> -----------------------------------------------------------------------
>
>                 Key: DAFFODIL-2618
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2618
>             Project: Daffodil
>          Issue Type: Bug
>          Components: TDML Runner
>    Affects Versions: 3.2.1
>            Reporter: Mike Beckerle
>            Priority: Major
>
> The preferred style for writing a DFDL schema uses the default namespace for the XML schema namespace, so as to avoid having to put a prefix like "xs:" on every element. 
> The prefered style for writing a TDML test file similarly uses a default namespace for the TDML namespace so as to avoid having to put a prefix like "tdml:" on every element.
> Combining these two ideas, one would like to be able to embed a DFDL schema within the TDML file by way of this:
>  
> {code:java}
> <tdml:defineSchema name="mySchema"
>   xmlns="http://www.w3.org/2001/XMLSchema"  
>   elementFormDefault="unqualified">
>   .... schema here. Note that no "xs:" prefix is needed....
>   <element name="foo" ..../>
> </tdml:defineSchema>
> {code}
>  
> This doesn't work however. Something about the way the embedded schema is removed and placed into a separate schema temp file for compilation makes namespace assumptions and doesn't tolerate the xmlns default declaration. 



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