/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.module.xml.el;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.mule.DefaultMuleMessage;
import org.mule.api.MuleMessage;
import org.mule.el.context.AbstractELTestCase;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.StringBufferInputStream;
import javax.xml.parsers.DocumentBuilderFactory;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.tree.DefaultAttribute;
import org.junit.Test;
public class XPath1FunctionTestCase extends AbstractELTestCase
{
public XPath1FunctionTestCase(Variant variant, String optimizer)
{
super(variant, optimizer);
}
@Test
public void xpathFunctionString() throws Exception
{
MuleMessage message = new DefaultMuleMessage("<root foo=\"bar\"/>", muleContext);
// We use dom4j internally
assertEquals(DefaultAttribute.class, evaluate("xpath('/root/@foo')", message).getClass());
}
@Test
public void xpathFunctionStream() throws Exception
{
InputStream payload = new ByteArrayInputStream("<root foo=\"bar\"/>".getBytes());
MuleMessage message = new DefaultMuleMessage(payload, muleContext);
assertEquals(DefaultAttribute.class, evaluate("xpath('/root/@foo')", message).getClass());
assertTrue(message.getPayload() instanceof Document);
}
@Test
public void xpathFunctionStringText() throws Exception
{
MuleMessage message = new DefaultMuleMessage("<root foo=\"bar\"/>", muleContext);
message.setPayload(message.getPayload(Document.class));
assertEquals("bar", evaluate("xpath('/root/@foo').text", message));
}
@Test
public void xpathFunctionDom4j() throws Exception
{
Document document = DocumentHelper.parseText("<root foo=\"bar\"/>");
MuleMessage message = new DefaultMuleMessage(document, muleContext);
assertEquals(document.getRootElement().attribute("foo"), evaluate("xpath('/root/@foo')", message));
assertEquals("bar", evaluate("xpath('/root/@foo').text", message));
}
@Test
public void xpathFunctionDom4jText() throws Exception
{
Document document = DocumentHelper.parseText("<root foo=\"bar\"/>");
MuleMessage message = new DefaultMuleMessage(document, muleContext);
assertEquals("bar", evaluate("xpath('/root/@foo').text", message));
}
@Test
public void xpathFunctionW3C() throws Exception
{
org.w3c.dom.Document document = DocumentBuilderFactory.newInstance()
.newDocumentBuilder()
.parse(new StringBufferInputStream("<root foo=\"bar\"/>"));
MuleMessage message = new DefaultMuleMessage(document, muleContext);
assertEquals(document.getFirstChild().getAttributes().getNamedItem("foo"),
evaluate("xpath('/root/@foo')", message));
}
@Test
public void xpathFunctionW3CText() throws Exception
{
org.w3c.dom.Document document = DocumentBuilderFactory.newInstance()
.newDocumentBuilder()
.parse(new StringBufferInputStream("<root foo=\"bar\"/>"));
MuleMessage message = new DefaultMuleMessage(document, muleContext);
assertEquals("bar", evaluate("xpath('/root/@foo').textContent", message));
}
}