fixes #48 - XML Output file doesn't have classpath populated with file name

@@ -91,12 +91,18 @@ XUnitExporter.prototype.addFailure = function(classname, name, message, type) {
  * @return String
  */
 function generateClassName(classname) {
+    classname = classname.replace(phantom.casperPath, "").trim();
     var script = classname || phantom.casperScript;
     if (script.indexOf(fs.workingDirectory) === 0) {
         script = script.substring(fs.workingDirectory.length + 1);
-        return script.substring(0, script.lastIndexOf('.'));
     }
-    return classname || "unknown";
+    if (script.indexOf('/') === 0) {
+        script = script.substring(1, script.length);
+    }
+    if (~script.indexOf('.')) {
+        script = script.substring(0, script.lastIndexOf('.'));
+    }
+    return script || "unknown";
 }
 
 /**

@@ -7,7 +7,10 @@ xunit.addFailure('bar', 'baz', 'wrong', 'chucknorriz');
 casper.test.assertMatch(xunit.getXML(), /<testcase classname="bar" name="baz"><failure type="chucknorriz">wrong/, 'XUnitExporter.addFailure() adds a failed testcase');
 
 // named classname
+xunit = require('xunit').create();
 xunit.addSuccess(require('fs').workingDirectory + '/plop.js', 'It worked');
 casper.test.assertMatch(xunit.getXML(), /<testcase classname="plop" name="It worked"/, 'XUnitExporter.addSuccess() handles class name');
+xunit.addSuccess(require('fs').workingDirectory + '/plip.js', 'Failure');
+casper.test.assertMatch(xunit.getXML(), /<testcase classname="plip" name="Failure"/, 'XUnitExporter.addFailure() handles class name');
 
 casper.test.done();
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