Steve Lawrence created DAFFODIL-2410:
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             Summary: TDML Runner hides warnings
                 Key: DAFFODIL-2410
                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2410
             Project: Daffodil
          Issue Type: Improvement
          Components: TDML Runner
            Reporter: Steve Lawrence


The TDML Runner currently hides warnings. This means that if we make a change 
that causes many new warnings it is very easy to not realize it.

Unfortunately, many tests, including those external to daffodil, might rely on 
this current behavior so we can't simply fail tests if warnings exist but there 
are no tdml:warnings in the TDML test.

However, we should at least have some mode that allows us to run the TDML 
runner and error if there are unchecked warnings. Or perhaps we always output 
warnings, which would encourage users to update their schemas or fix tests to 
suppress expected warnings. We could even provide a message that says in some 
future release uncheck warnings will always be considered an error if we want 
to go that route.



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