test case for fact class annotation

histream-export/src/test/java/de/sekmi/histream/export/config/TestFactClassAnnotator.java

 package de.sekmi.histream.export.config;
 
+import java.io.InputStream;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import de.sekmi.histream.export.FactClassAnnotator;
+import de.sekmi.histream.impl.ObservationImplJAXBTest;
+import de.sekmi.histream.xml.XMLUtils;
+
 public class TestFactClassAnnotator {
 
+	@Test
+	public void validateAnnotation() throws Exception{
+		DocumentBuilderFactory f = DocumentBuilderFactory.newInstance();
+		f.setNamespaceAware(true);
+		f.setIgnoringElementContentWhitespace(true);
+		DocumentBuilder b = f.newDocumentBuilder();
+		Document dom = null;
+		try( InputStream in = ObservationImplJAXBTest.class.getResourceAsStream("/fact1.xml") ){
+			dom = b.parse(in);
+		}
+		Element el = (Element)dom.getFirstChild();
+		// before annotation
+		Assert.assertEquals("fact", el.getLocalName());
+		// attribute not available will return empty string
+		Assert.assertEquals("", el.getAttribute("class"));
+		
+		// annotate
+		FactClassAnnotator fa = new FactClassAnnotator();
+		fa.addMapRule("T:testconcept1", "class1");
+		fa.annotateFact(el);
+
+		// after annotation
+		Assert.assertEquals("class1", el.getAttribute("class"));
+
+//		XMLUtils.printDOM(dom, System.out);
+	}
 }