protocol/netconf-util/src/test/java/org/opendaylight/netconf/util/xml/XMLNetconfUtilTest.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netconf.util.xml;
   9
  10 import static org.hamcrest.CoreMatchers.startsWith;
  11 import static org.hamcrest.MatcherAssert.assertThat;
  12 import static org.junit.Assert.assertEquals;
  13 import static org.junit.Assert.assertThrows;
  14
  15 import javax.xml.xpath.XPathConstants;
  16 import javax.xml.xpath.XPathExpression;
  17 import org.junit.Test;
  18 import org.opendaylight.netconf.api.xml.XmlUtil;
  19 import org.w3c.dom.Element;
  20
  21 public class XMLNetconfUtilTest {
  22     @Test
  23     public void testXPath() throws Exception {
  24         final XPathExpression correctXPath = XMLNetconfUtil.compileXPath("/top/innerText");
  25         final IllegalStateException ex = assertThrows(IllegalStateException.class,
  26             () -> XMLNetconfUtil.compileXPath("!@(*&$!"));
  27         assertThat(ex.getMessage(), startsWith("Error while compiling xpath expression "));
  28         final Object value = XmlUtil.evaluateXPath(correctXPath,
  29                 XmlUtil.readXmlToDocument("<top><innerText>value</innerText></top>"), XPathConstants.NODE);
  30         assertEquals("value", ((Element) value).getTextContent());
  31     }
  32 }