/*
* $Header$
* $Revision$
* $Date$
*
* ====================================================================
*
* Copyright 2005 Elliotte Rusty Harold
* 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.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import junit.framework.TestCase;
import org.jaxen.BaseXPath;
import org.jaxen.FunctionCallException;
import org.jaxen.JaxenException;
import org.jaxen.dom.DOMXPath;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* @author Elliotte Rusty Harold
*
*/
public class LangTest extends TestCase {
private Document doc;
private DocumentBuilder builder;
public void setUp() throws ParserConfigurationException
{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
builder = factory.newDocumentBuilder();
doc = builder.newDocument();
}
public LangTest(String name) {
super(name);
}
public void testLangFunction()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//*[lang('en')]");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "en");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("2"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(3, result.size());
assertEquals(b, result.get(0));
assertEquals(x2, result.get(1));
assertEquals(x3, result.get(2));
}
public void testLangFunctionSelectsNothing()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//*[lang('fr')]");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "en");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("2"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(0, result.size());
}
public void testLangFunctionSelectsSubcode()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//*[lang('fr')]");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "fr-CA");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("2"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(3, result.size());
assertEquals(b, result.get(0));
assertEquals(x2, result.get(1));
assertEquals(x3, result.get(2));
}
public void testHyphenRequiredAtEnd()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//*[lang('f')]");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "fr-CA");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("2"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(0, result.size());
}
public void testLangFunctionSelectsEmptyNodeSet()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//*[lang(d)]");
// This node-set will be empty. Therefore it's the same as the
// empty string. Therefore it matches all languages.
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "fr-CA");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("2"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(0, result.size());
}
public void testLangFunctionSelectsNonEmptyNodeSet()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//*[lang(x)]");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "fr-CA");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("fr"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(1, result.size());
assertEquals(b, result.get(0));
}
public void testLangFunctionAppliedToNonElement()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//text()[lang('fr')]");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "fr-CA");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("fr"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(2, result.size());
assertEquals(x2.getFirstChild(), result.get(0));
assertEquals(x3.getFirstChild(), result.get(1));
}
public void testLangFunctionAppliedToDocument()
throws JaxenException {
BaseXPath xpath = new DOMXPath("lang('fr')");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "fr-CA");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("fr"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
Boolean result = (Boolean) xpath.evaluate(doc);
assertEquals(Boolean.FALSE, result);
}
public void testLangFunctionSelectsNumber()
throws JaxenException {
BaseXPath xpath = new DOMXPath("//*[lang(3)]");
Element a = doc.createElementNS("", "a");
Element b = doc.createElementNS("", "b");
b.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:lang", "fr-CA");
doc.appendChild(a);
a.appendChild(b);
Element x2 = doc.createElementNS("", "x");
Element x3 = doc.createElementNS("", "x");
Element x4 = doc.createElementNS("", "x");
a.appendChild(x4);
b.appendChild(x2);
b.appendChild(x3);
x2.appendChild(doc.createTextNode("2"));
x3.appendChild(doc.createTextNode("3"));
x4.appendChild(doc.createTextNode("4"));
List result = xpath.selectNodes(doc);
assertEquals(0, result.size());
}
public void testLangFunctionRequiresOneArgument()
throws JaxenException {
try {
BaseXPath xpath = new DOMXPath("lang()");
org.w3c.dom.Element a = doc.createElementNS("", "a");
doc.appendChild(a);
xpath.selectNodes(doc);
fail("Allowed empty lang() function");
}
catch (FunctionCallException success) {
assertNotNull(success.getMessage());
}
}
public void testLangFunctionRequiresAtMostOneArgument()
throws JaxenException {
try {
BaseXPath xpath = new DOMXPath("lang('en', 'fr')");
org.w3c.dom.Element a = doc.createElementNS("", "a");
doc.appendChild(a);
xpath.selectNodes(doc);
fail("Allowed empty lang() function");
}
catch (FunctionCallException success) {
assertNotNull(success.getMessage());
}
}
}