import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import com.c2kernel.persistency.outcome.Outcome;
import com.c2kernel.utils.FileStringUtility;


public class OutcomeTest {

	Outcome testOc;
	
	public OutcomeTest() throws Exception {
		String ocData = FileStringUtility.url2String(OutcomeTest.class.getResource("outcomeTest.xml"));
		testOc = new Outcome("/Outcome/Test/0/0", ocData); 
	}

	public void testDOMAccess() throws Exception {
		assert "Field1contents".equals(testOc.getField("Field1")) : "getField() failed";
	}
	
	public void testXPath() throws Exception {
		Node field1Node = testOc.getNodeByXPath("//Field1/text()");
		assert field1Node!=null : "XPath for Element query failed";
		assert field1Node.getNodeValue() != null : "Field1 node was null";
		assert field1Node.getNodeValue().equals("Field1contents") : "Incorrect value for element node through XPath";
		assert "Field1contents".equals(testOc.getFieldByXPath("//Field1")): "getFieldByXPath failed";
		testOc.setFieldByXPath("//Field2", "NewField2");
		assert "NewField2".equals(testOc.getFieldByXPath("//Field2")): "getFieldByXPath failed to retrieve updated value";
		assert testOc.getNodeByXPath("//Field2/text()").getNodeValue() != null : "Field2 text node is null";
		assert testOc.getNodeByXPath("//Field2/text()").getNodeValue().equals("NewField2") : "Failed to setFieldByXPath for element";
		Node field2attr = testOc.getNodeByXPath("//Field2/@attr");
		assert field2attr.getNodeValue().equals("attribute"): "Failed to retrieve attribute value via XPath";
		NodeList field3nodes = testOc.getNodesByXPath("//Field3");
		assert field3nodes.getLength()==2 : "getNodesByXPath returned wrong number of nodes";
		
	}
}