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Re: [xml-dev] Testing XML don't use xUnit

On Wed, Apr 10, 2013 at 7:19 AM, Andrew Welch <andrew.j.welch@gmail.com> wrote:
>> It sounds like you are suggesting it's bad to have xpaths in junit
>> tests?  ...and to use Schematron instead?
> Yes. Because changes to the structure of the xml will break the JUnit
> test whereas Schematron assertions are resilient to that.

Obviously if the test needs to handle the possibility of different
structures, then just use the appropriate xpath / xquery in the test

If I'm missing something here, please provide an example.

It sounds to me as if XUnit does not allow you to set context for its paths.  I don't know XUnit at all, but I'm guessing from what Ihe says.  That would definitely be woefully brittle.  Schematron of course gives you a great deal of flexibility with not just context, but phases, etc.

I've used Schematron a lot at constraint boundaries using *mechanics* similar to what one would call unit testing, but of course that's a very different sort of "test."

Uche Ogbuji                       http://uche.ogbuji.net
Founding Partner, Zepheira        http://zepheira.com

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