1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.configuration;
19  
20  import javax.xml.transform.Transformer;
21  import javax.xml.transform.TransformerFactory;
22  import javax.xml.transform.dom.DOMResult;
23  import javax.xml.transform.sax.SAXSource;
24  
25  import org.apache.commons.jxpath.JXPathContext;
26  import org.w3c.dom.Document;
27  import org.w3c.dom.Node;
28  import org.xml.sax.InputSource;
29  
30  import junit.framework.TestCase;
31  
32  /***
33   * Test class for HierarchicalConfigurationXMLReader.
34   *
35   * @version $Id: TestHierarchicalConfigurationXMLReader.java 439648 2006-09-02 20:42:10Z oheger $
36   */
37  public class TestHierarchicalConfigurationXMLReader extends TestCase
38  {
39      private static final String TEST_FILE = "conf/testHierarchicalXMLConfiguration.xml";
40  
41      private HierarchicalConfigurationXMLReader parser;
42  
43      protected void setUp() throws Exception
44      {
45          XMLConfiguration config =
46          new XMLConfiguration();
47          config.setFileName(TEST_FILE);
48          config.load();
49          parser = new HierarchicalConfigurationXMLReader(config);
50      }
51  
52      public void testParse() throws Exception
53      {
54          SAXSource source = new SAXSource(parser, new InputSource());
55          DOMResult result = new DOMResult();
56          Transformer trans = TransformerFactory.newInstance().newTransformer();
57          try
58          {
59              //When executed on a JDK 1.3 this line throws a NoSuchMethodError
60              //somewhere deep in Xalan. We simply ignore this.
61              trans.transform(source, result);
62          }
63          catch(NoSuchMethodError ex)
64          {
65              return;
66          }
67          Node root = ((Document) result.getNode()).getDocumentElement();
68          JXPathContext ctx = JXPathContext.newContext(root);
69  
70          assertEquals("Wrong name of root element", "config", root.getNodeName());
71          assertEquals("Wrong number of children of root", 1, ctx.selectNodes(
72                  "/*").size());
73          assertEquals("Wrong number of tables", 2, ctx.selectNodes(
74                  "/tables/table").size());
75          assertEquals("Wrong name of first table", "users", ctx
76                  .getValue("/tables/table[1]/name"));
77          assertEquals("Wrong number of fields in first table", 5, ctx
78                  .selectNodes("/tables/table[1]/fields/field").size());
79          assertEquals("Wrong attribute value", "system", ctx
80                  .getValue("/tables/table[1]/@tableType"));
81      }
82  }