/*
* $Header$
* $Revision$
* $Date$
*
* ====================================================================
*
* Copyright 2000-2002 bob mcwhirter & James Strachan.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the Jaxen Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
* This software consists of voluntary contributions made by many
* individuals on behalf of the Jaxen Project and was originally
* created by bob mcwhirter <bob@werken.com> and
* James Strachan <jstrachan@apache.org>. For more information on the
* Jaxen Project, please see <http://www.jaxen.org/>.
*
* $Id$
*/
package org.jaxen.test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectOutputStream;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.jaxen.FunctionContext;
import org.jaxen.JaxenException;
import org.jaxen.SimpleNamespaceContext;
import org.jaxen.UnresolvableException;
import org.jaxen.dom.DOMXPath;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import junit.framework.TestCase;
/**
* <p>
* Test for function context.
* </p>
*
* @author Elliotte Rusty Harold
* @version 1.1b9
*
*/
public class FunctionContextTest extends TestCase
{
private Document doc;
public void setUp() throws ParserConfigurationException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
doc = factory.newDocumentBuilder().newDocument();
Element root = doc.createElementNS("http://www.example.org/", "root");
doc.appendChild(root);
root.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", "http://www.example.org/");
}
public void testJAXEN50() throws JaxenException {
DOMXPath xpath = new DOMXPath("true()");
SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
// Add all namespace declarations from the node
nsContext.addElementNamespaces(xpath.getNavigator(), doc);
xpath.setNamespaceContext(nsContext);
boolean result = xpath.booleanValueOf(doc);
assertTrue(result);
}
public void testUnresolvableFunction() throws JaxenException {
DOMXPath xpath = new DOMXPath("nonesuch()");
try {
xpath.evaluate(doc);
fail("Evaluated nonexistent function");
}
catch (UnresolvableException ex) {
assertNotNull(ex.getMessage());
}
}
public void testUnresolvableFunctionExceptionMessage() throws JaxenException {
DOMXPath xpath = new DOMXPath("nonesuch()");
try {
xpath.evaluate(doc);
fail("Evaluated nonexistent function");
}
catch (UnresolvableException ex) {
assertEquals(-1, ex.getMessage().indexOf(':'));
}
}
public void testGetFunctionContext() throws JaxenException {
DOMXPath xpath = new DOMXPath("/root/child");
assertNotNull(xpath.getFunctionContext());
}
public void testSerializeFunctionContext() throws JaxenException, IOException {
DOMXPath xpath = new DOMXPath("/root/child");
FunctionContext context = xpath.getFunctionContext();
ByteArrayOutputStream out = new ByteArrayOutputStream();
ObjectOutputStream oout = new ObjectOutputStream(out);
try {
oout.writeObject(context);
fail("serialized function context");
}
catch (NotSerializableException ex) {
assertNotNull(ex.getMessage());
}
}
}