/*
 * 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 com.opensymphony.xwork2.util;

import com.opensymphony.xwork2.util.location.Location;
import junit.framework.TestCase;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

import java.io.StringReader;

/**
 * Test cases for {@link DomHelper}.
 */
public class DomHelperTest extends TestCase {

    private String xml = "<!DOCTYPE foo [\n" +
                         "<!ELEMENT foo (bar)>\n" +
                         "<!ELEMENT bar (#PCDATA)>\n" +
                         "]>\n" +
                         "<foo>\n" +
                         " <bar/>\n" +
                         "</foo>\n";
    
    public void testParse() throws Exception {
        InputSource in = new InputSource(new StringReader(xml));
        in.setSystemId("foo://bar");
        
        Document doc = DomHelper.parse(in);
        assertNotNull(doc);
        assertTrue("Wrong root node",
            "foo".equals(doc.getDocumentElement().getNodeName()));
        
        NodeList nl = doc.getElementsByTagName("bar");
        assertTrue(nl.getLength() == 1);
        
        
        
    }
    
    public void testGetLocationObject() throws Exception {
        InputSource in = new InputSource(new StringReader(xml));
        in.setSystemId("foo://bar");
        
        Document doc = DomHelper.parse(in);
        
        NodeList nl = doc.getElementsByTagName("bar");
        
        Location loc = DomHelper.getLocationObject((Element)nl.item(0));
        
        assertNotNull(loc);
        assertTrue("Should be line 6, was "+loc.getLineNumber(), 
            6==loc.getLineNumber());
    }
}
