BPTCallout

public with sharing class BPTCallout {
    public BPTCallout() {}

    public static Opportunity[] parseXML(XmlStreamReader reader) {
        Opportunity[] oppList = new List<Opportunity>();

        if (reader != null) {
            while (reader.hasNext()) {
            	System.debug('$$$ reader.getEventType(): ' + reader.getEventType());
                if (reader.getEventType() == XmlTag.END_DOCUMENT) {
                    break;
                }
                else if (reader.getEventType() == XmlTag.CHARACTERS) {
                	System.debug('$$$ reader.getLocalName(): ' + reader.getLocalName());
                	System.debug('$$$ reader.getText(): ' + reader.getText());
                	System.debug('$$$ reader.getNamespace(): ' + reader.getNamespace());
                	System.debug('$$$ reader.getlocation(): ' + reader.getlocation());
                	System.debug('$$$ reader.getprefix(): ' + reader.getprefix());
                	
                	if (/*reader.getLocalName() == 'lname'*/ reader.getAttributeCount() == 4 && reader.getText() != null) {
	                    oppList.add(new Opportunity(Name = reader.getText()));
                	}
                }
                reader.next();
            }
        }
        System.debug('$$$ oppList: ' + oppList);
        return oppList;
    }
}

BPTCalloutTest

@isTest
private class BPTCalloutTest {
private static final String XML_STR = '<document>' +
'<result>success</result>' +
'<resultcode>000000</resultcode>' +
'<note></note>' +
                                        '<item>' +
      '<quantity>1</quantity>' +
  '<fname>Bob</fname>' +
  '<lname>Tungsten</lname>' +
  '<address>23232 Fleet Street</address>' +
  '<city>Santa Clara</city>' +
  '<state>CA</state>' +
  '<zip>94105</zip>' +
  '<country>United States</country>' +
  '<email>blahblahblah@blahblahblah.com</email>' +
  '<phone>4155555555</phone>' +
    '</item>' +
  '</document>';
 
    static testMethod void xmlStreamReaderTest() {
        XmlStreamReader reader = new XmlStreamReader(XML_STR);
        Opportunity[] opptyList = BPTCallout.parseXML(reader);
        System.assert(opptyList != null);
        System.assert(!opptyList.isEmpty());
    }
}