/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.module.xml.expression;
import static junit.framework.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.mule.tck.junit4.AbstractMuleContextTestCase;
import org.mule.tck.size.SmallTest;
import org.mule.util.IOUtils;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.dom4j.dom.DOMDocument;
import org.dom4j.tree.DefaultDocument;
import org.jaxen.JaxenException;
import org.jaxen.XPath;
import org.jaxen.dom.DOMXPath;
import org.jaxen.dom4j.Dom4jXPath;
import org.junit.Assert;
import org.junit.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
@SmallTest
public class XPathExpressionEvaluatorTestCase extends AbstractMuleContextTestCase
{
private static final String EXPRESSION = "//isTest[test() = 'true']";
private static final String OTHER_EXPRESSION = "//isNotTest[test = 'false']";
@Test
public void testXPathCache() throws JaxenException
{
XPathExpressionEvaluator xPathExpressionEvaluator = new XPathExpressionEvaluator();
XPath xPathDOM1 = xPathExpressionEvaluator.getXPath(EXPRESSION, new DOMDocument());
assertTrue(xPathDOM1 instanceof DOMXPath);
XPath xPathDOM2 = xPathExpressionEvaluator.getXPath(EXPRESSION, new DOMDocument());
assertTrue(xPathDOM2 == xPathDOM1);
XPath xPathDom4j3 = xPathExpressionEvaluator.getXPath(EXPRESSION, new DefaultDocument());
assertTrue(xPathDom4j3 instanceof Dom4jXPath);
assertTrue(xPathDOM1 != xPathDom4j3);
XPath xPathDOM3 = xPathExpressionEvaluator.getXPath(OTHER_EXPRESSION, new DOMDocument());
assertTrue(xPathDOM1 != xPathDOM3);
}
@Test
public void testEmptyElement() throws ParserConfigurationException
{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document dom = db.newDocument();
Node node = dom.createTextNode(null);
XPathExpressionEvaluator xPathExpressionEvaluator = new XPathExpressionEvaluator();
Object result = xPathExpressionEvaluator.extractResultFromNode(node);
Assert.assertEquals("", result);
}
@Test
public void textNotSeparated() throws Exception
{
String payload = IOUtils.getResourceAsString("sswa2smtp.xml", getClass());
Object value = muleContext.getExpressionManager().evaluate("#[xpath:/*/toAddress/text()]", getTestEvent(payload));
assertEquals("XPath expression extracted the wrong value", "prachurya.barua@bt.com", value);
}
}