/*
* 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.commons.configuration.tree.xpath;
import java.util.Locale;
import org.apache.commons.configuration.tree.ConfigurationNode;
import org.apache.commons.configuration.tree.DefaultConfigurationNode;
import org.apache.commons.jxpath.ri.QName;
import org.apache.commons.jxpath.ri.model.NodeIterator;
import org.apache.commons.jxpath.ri.model.NodePointer;
/**
* Test class for ConfigurationNodePointer.
*
* @author Oliver Heger
* @version $Id: TestConfigurationNodePointer.java 502705 2007-02-02 19:55:37Z oheger $
*/
public class TestConfigurationNodePointer extends AbstractXPathTest
{
/** Stores the node pointer to be tested. */
NodePointer pointer;
protected void setUp() throws Exception
{
super.setUp();
pointer = new ConfigurationNodePointer(root, Locale.getDefault());
}
/**
* Tests comparing child node pointers for child nodes.
*/
public void testCompareChildNodePointersChildren()
{
NodePointer p1 = new ConfigurationNodePointer(pointer, root.getChild(1));
NodePointer p2 = new ConfigurationNodePointer(pointer, root.getChild(3));
assertEquals("Incorrect order", -1, pointer.compareChildNodePointers(
p1, p2));
assertEquals("Incorrect symmetric order", 1, pointer
.compareChildNodePointers(p2, p1));
}
/**
* Tests comparing child node pointers for attribute nodes.
*/
public void testCompareChildNodePointersAttributes()
{
root.addAttribute(new DefaultConfigurationNode("attr1", "test1"));
root.addAttribute(new DefaultConfigurationNode("attr2", "test2"));
NodePointer p1 = new ConfigurationNodePointer(pointer, root
.getAttribute(0));
NodePointer p2 = new ConfigurationNodePointer(pointer, root
.getAttribute(1));
assertEquals("Incorrect order", -1, pointer.compareChildNodePointers(
p1, p2));
assertEquals("Incorrect symmetric order", 1, pointer
.compareChildNodePointers(p2, p1));
}
/**
* tests comparing child node pointers for both child and attribute nodes.
*/
public void testCompareChildNodePointersChildAndAttribute()
{
root.addAttribute(new DefaultConfigurationNode("attr1", "test1"));
NodePointer p1 = new ConfigurationNodePointer(pointer, root.getChild(2));
NodePointer p2 = new ConfigurationNodePointer(pointer, root
.getAttribute(0));
assertEquals("Incorrect order for attributes", 1, pointer
.compareChildNodePointers(p1, p2));
assertEquals("Incorrect symmetric order for attributes", -1, pointer
.compareChildNodePointers(p2, p1));
}
/**
* Tests comparing child node pointers for child nodes that do not belong to
* the parent node.
*/
public void testCompareChildNodePointersInvalidChildren()
{
ConfigurationNode node = root.getChild(1);
NodePointer p1 = new ConfigurationNodePointer(pointer, node.getChild(1));
NodePointer p2 = new ConfigurationNodePointer(pointer, node.getChild(3));
assertEquals("Non child nodes could be sorted", 0, pointer
.compareChildNodePointers(p1, p2));
assertEquals("Non child nodes could be sorted symmetrically", 0,
pointer.compareChildNodePointers(p2, p1));
}
/**
* Tests the attribute flag.
*/
public void testIsAttribute()
{
ConfigurationNode node = new DefaultConfigurationNode("test", "testval");
NodePointer p = new ConfigurationNodePointer(pointer, node);
assertFalse("Node is an attribute", p.isAttribute());
node.setAttribute(true);
assertTrue("Node is no attribute", p.isAttribute());
}
/**
* Tests if leaves in the tree are correctly detected.
*/
public void testIsLeave()
{
assertFalse("Root node is leaf", pointer.isLeaf());
NodePointer p = pointer;
while (!p.isLeaf())
{
ConfigurationNode node = (ConfigurationNode) p.getNode();
assertTrue("Node has no children", node.getChildrenCount() > 0);
p = new ConfigurationNodePointer(p, node.getChild(0));
}
assertTrue("Node has children", ((ConfigurationNode) p.getNode())
.getChildrenCount() == 0);
}
/**
* Tests the iterators returned by the node pointer.
*/
public void testIterators()
{
checkIterators(pointer);
}
/**
* Recursive helper method for testing the returned iterators.
*
* @param p the node pointer to test
*/
private void checkIterators(NodePointer p)
{
ConfigurationNode node = (ConfigurationNode) p.getNode();
NodeIterator it = p.childIterator(null, false, null);
assertEquals("Iterator count differs from children count", node
.getChildrenCount(), iteratorSize(it));
for (int index = 1; it.setPosition(index); index++)
{
NodePointer pchild = it.getNodePointer();
assertEquals("Wrong child", node.getChild(index - 1), pchild
.getNode());
checkIterators(pchild);
}
it = p.attributeIterator(new QName(null, "*"));
assertEquals("Iterator count differs from attribute count", node
.getAttributeCount(), iteratorSize(it));
for (int index = 1; it.setPosition(index); index++)
{
NodePointer pattr = it.getNodePointer();
assertTrue("Node pointer is no attribute", pattr.isAttribute());
assertEquals("Wrong attribute", node.getAttribute(index - 1), pattr
.getNode());
checkIterators(pattr);
}
}
}