[Xmlunit-general] Custom Qualifier

[Stefanos K. <ste...@im...>]

Hi there

I have been trying to work out how to get xmlunit to do what I want.

I have the following xml

String xml1 = "<parent><child id=\"1\">value1</child><child 
id=\"2\">value2</child></parent>";
String xml2 = "<parent><child id=\"3\">value3</child><child 
id=\"1\">value1 changed</child></parent>";

What I want is to make xmlunit find a differences between elements that 
have the same id (1) and inform me of missing or new elements (2,3) 
using the id attribute.

I have implemented a custom qualifier that returns false if the element 
tag names dont match or if the ids dont match but xmlunit doesnt seem to 
be taking notice of it.
I have also tried the ElementNameAndAttributeQualifier passing "id" in 
the constructor but I get the same result.

What it does is

Expected text value 'value1' but was 'value1 changed' - comparing <child 
...>value1</child> at /parent[1]/child[1]/text()[1] to <child ...>value1 
changed</child> at /parent[1]/child[2]/text()[1]
Expected sequence of child nodes '0' but was '1' - comparing <child...> 
at /parent[1]/child[1] to <child...> at /parent[1]/child[2]
Expected sequence of child nodes '1' but was '0' - comparing <child...> 
at /parent[1]/child[2] to <child...> at /parent[1]/child[1]
Expected attribute value '2' but was '3' - comparing <child id="2"...> 
at /parent[1]/child[2]/@id to <child id="3"...> at /parent[1]/child[1]/@id
Expected text value 'value2' but was 'value3' - comparing <child 
...>value2</child> at /parent[1]/child[2]/text()[1] to <child 
...>value3</child> at /parent[1]/child[1]/text()[1]

How can I get xmlunit to say find the first difference and also inform 
me that node child id="2" is missing and that child id="3" is new

Any help would be greatly appreciated

Thanks in advance

-- 
Stefanos Kollias
Departamento de Enxeñería do Software

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