| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.mapred; |
| |
| import java.io.IOException; |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.NodeList; |
| import org.xml.sax.SAXException; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| public class TestJobTrackerXmlJsp extends ClusterMapReduceTestCase { |
| |
| private static final Log LOG = LogFactory.getLog(TestJobTrackerXmlJsp.class); |
| |
| /** |
| * Read the jobtracker.jspx status page and validate that the XML is well formed. |
| */ |
| public void testXmlWellFormed() throws IOException, ParserConfigurationException, SAXException { |
| MiniMRCluster cluster = getMRCluster(); |
| int infoPort = cluster.getJobTrackerRunner().getJobTrackerInfoPort(); |
| |
| String xmlJspUrl = "http://localhost:" + infoPort + "/jobtracker.jspx"; |
| LOG.info("Retrieving XML from URL: " + xmlJspUrl); |
| |
| DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder(); |
| Document doc = parser.parse(xmlJspUrl); |
| |
| // If we get here, then the document was successfully parsed by SAX and is well-formed. |
| LOG.info("Document received and parsed."); |
| |
| // Make sure it has a <cluster> element as top-level. |
| NodeList clusterNodes = doc.getElementsByTagName("cluster"); |
| assertEquals("There should be exactly 1 <cluster> element", 1, clusterNodes.getLength()); |
| } |
| } |