RE: How do I test a schema

[Helck, Christopher]

I decided to go with a Junit solution. I first tried XMLUnit (which I've
used in the past to diff xml's -- worked like a charm), but gave up
because it doesn't seem to support schemas and I was getting weird
errors. Since I'm using Java 1.5 I used the javax.xml packages.

I would prefer a maven based solution, but this does the trick for now.
Here's sample code.

%<----------------------------------------------

package com.foobar;

import java.io.File;

import javax.xml.XMLConstants;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;

import junit.framework.Assert;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

public class SchemaTest extends AbstractTestCase {

    public SchemaTest(String name) throws Exception {
        super(name);
    }

    public void testErrors() throws Exception {
        validate("xdocs/Foo.xsd", "/conf/ComplexTest.xml");
    }

    public void testSimple() throws Exception {
        validate("xdocs/Foo.xsd", "/conf/Simple.xml");
    }

    private void validate(String schemaFileName, String xmlFileName)
throws Exception {
        Source xmlSource = new
StreamSource(this.getClass().getResourceAsStream(xmlFileName));

        SchemaFactory factory =
SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        Schema schema = factory.newSchema(new
File(getTestFile(schemaFileName)));
        Validator validator = schema.newValidator();
        validator.validate(xmlSource);
    }  

    public static Test suite() {
        return new TestSuite(SchemaTest.class);
    }

}

%<---------------------------------------------------------

Regards,
C. Helck

-----Original Message-----
From: Ben Anderson [mailto:[EMAIL PROTECTED] 
Sent: Thursday, September 23, 2004 7:29 AM
To: Maven Users List
Subject: Re: How do I test a schema


That's funny - I was trying to do this yesterday, but gave up. You'll
need the validate plugin jar here:
http://jakarta.apache.org/commons/jelly/libs/validate/index.html
I'm not sure where you're supposed to stick these jars.  I put it in
$MAVEN_HOME/lib and that worked, but it's probably supposed to go
somewhere else.  There's also some documentation there, but no examples.
Here's what I had thus far:

  <goal name="validate">
    <!--we need to create a new java.io.File <u:new ...
    <v:verifier var="mySchema" file=".../>
    <v:validate var="isValid" verifier="mySchema">
      some xml - possibly importing a file somehow.
    </v:validate>
      -->
  </goal>

of course this doesn't work.  Maybe together we can figure it out. -Ben

Quoting "Helck, Christopher" <[EMAIL PROTECTED]>:

> I'd like to automate testing a XML schema under maven, but I don't 
> have a clue how to begin :-). I have a schema and some example XML 
> files. I'd like to validate the files against the schema. Any help is 
> appreciated.
>
> Thanks,
> C. Helck
>
>
>
>
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Fields, London WC2A 3LJ, United Kingdom. Registered number 2633663.

EBS Dealing Resources, Inc, registered in Delaware. Address: 535 Madison Avenue, 24th 
Floor, New York, NY 10022, USA, and One upper Pond road, Building F - Floor 3, 
Parsippany, NJ 07054, USA.

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Bldg, 6th Floor, 1-6-1, Shinkawa, Chuo-Ku,  Tokyo 104-0033, Japan.


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