xmlunit-general

[Xmlunit-general] how to ignore an attribute

[David R. <da...@ub...>]

What is the best way to go about ignoring a particular attribute? For 
example, given the following snippets how can we get XMLUnit to consider 
them equal (by ignoring the b attribute)?

<A a="a" b="b"/>

<A a="a" />

Thanks,

dave

Re: [Xmlunit-general] how to ignore an attribute

[Stefan B. <bo...@ap...>]

On 2013-04-11, David Rees wrote:

> What is the best way to go about ignoring a particular attribute? For
> example, given the following snippets how can we get XMLUnit to consider
> them equal (by ignoring the b attribute)?

> <A a="a" b="b"/>

> <A a="a" />

A custom DifferenceListener looking at the XPath is your only option,
I'm afraid.

Stefan

Re: [Xmlunit-general] how to ignore an attribute

[Eric S. <pub...@da...>]

On 04/11/2013 11:47 AM, Stefan Bodewig wrote:
 > On 2013-04-11, David Rees wrote:
 >> What is the best way to go about ignoring a particular attribute?
 >
 > A custom DifferenceListener looking at the XPath is your only option,
 > I'm afraid.

Instead of filtering the Differences after the fact, one could
modify the DOM trees before pointing XMLUnit at them.

I recently took that approach; it worked out quite well.

   - Eric

Re: [Xmlunit-general] how to ignore an attribute

[David R. <da...@ub...>]

Is there a good hook for that in XMLUnit?

d

On 4/12/13 12:54 AM, Eric Siegerman wrote:
> On 04/11/2013 11:47 AM, Stefan Bodewig wrote:
>   > On 2013-04-11, David Rees wrote:
>   >> What is the best way to go about ignoring a particular attribute?
>   >
>   > A custom DifferenceListener looking at the XPath is your only option,
>   > I'm afraid.
>
> Instead of filtering the Differences after the fact, one could
> modify the DOM trees before pointing XMLUnit at them.
>
> I recently took that approach; it worked out quite well.
>
>     - Eric
>
>
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Re: [Xmlunit-general] how to ignore an attribute

[Stefan B. <bo...@ap...>]

On 2013-04-12, David Rees wrote:

> Is there a good hook for that in XMLUnit?

The 2.0 code base uses XSLT transformations and other document changing
operation for things like removing comments or whitespace.  Adding
transformations into the builder chain for its input is pretty easy.

When I saw your question I also thought about adding some explicit API
for modifications of the input.  I'm not totally sure whether it would
be better to have an API that works on the whole tree or rather one that
provides callbacks for the child node lists of elements and maps of
element attributes.

Such an API would simplify comparing subtrees or -forrests of documents
only when you are not interested in differences in othe parts of the
document.

Stefan

Re: [Xmlunit-general] how to ignore an attribute

[Eric S. <pub...@da...>]

On 04/12/2013 10:51 AM, David Rees wrote:
 > Is there a good hook for that in XMLUnit?

I don't know; if there is, I didn't use it.  I just massaged the
two DOM trees before getting XMLUnit involved.

   - Eric