/*
 * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.testing.oxm.mappings.xmlfragment;

import java.io.InputStream;
import java.io.StringReader;
import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.eclipse.persistence.oxm.NamespaceResolver;
import org.eclipse.persistence.oxm.XMLContext;
import org.eclipse.persistence.oxm.XMLMarshaller;
import org.eclipse.persistence.oxm.XMLUnmarshaller;
import org.eclipse.persistence.oxm.XMLUnmarshallerHandler;
import org.eclipse.persistence.oxm.mappings.XMLFragmentMapping;
import org.eclipse.persistence.platform.xml.SAXDocumentBuilder;
import org.eclipse.persistence.sessions.Project;
import org.eclipse.persistence.testing.oxm.OXTestCase;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

/**
 * Namespace qualified XMLFragmentMapping tests
 */
public class XMLFragmentNSTestCases extends OXTestCase {
    private final static String XML_RESOURCE = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/employee_element_ns.xml";
    private final static String XML_RESOURCE_DIFF_PFX = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/employee_element_ns_different_prefix.xml";
    private final static String XML_RESOURCE_DIFF_URI = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/employee_element_ns_different_uri.xml";
    private final static String XML_RESOURCE_PFX_CHILD = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/employee_element_ns_prefixed_child.xml";
    private final static String XML_RESOURCE_PFX_CHILD_COMPLEX = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/employee_element_ns_prefixed_child_complex.xml";
    private final static String XML_SUB_ELEMENT = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/sub_element_ns.xml";
    private final static String XML_SUB_ELEMENT_DIFF_PFX = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/sub_element_ns_different_prefix.xml";
    private final static String XML_SUB_ELEMENT_PFX_CHILD = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/sub_element_ns_prefixed_child.xml";
    private final static String XML_SUB_ELEMENT_PFX_CHILD_COMPLEX = "org/eclipse/persistence/testing/oxm/mappings/xmlfragment/sub_element_ns_prefixed_child_complex.xml";
    protected Document controlDocument;
    protected XMLMarshaller xmlMarshaller;
    protected XMLUnmarshaller xmlUnmarshaller;
    protected XMLContext xmlContext;
    public String resourceName;
    protected DocumentBuilder parser;

    public XMLFragmentNSTestCases(String name) throws Exception {
        super(name);
        setupParser();
    }

    protected void setupParser() {
        try {
            DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
            builderFactory.setNamespaceAware(true);
            builderFactory.setIgnoringElementContentWhitespace(true);
            parser = builderFactory.newDocumentBuilder();
        } catch (Exception e) {
            e.printStackTrace();
            fail("An exception occurred during setup");
        }
    }

    protected void setSession(String sessionName) {
        xmlContext = getXMLContext(sessionName);
        xmlMarshaller = xmlContext.createMarshaller();
        xmlMarshaller.setFormattedOutput(false);
        xmlUnmarshaller = xmlContext.createUnmarshaller();
    }

    protected void setProject(Project project) {
        xmlContext = getXMLContext(project);
        xmlMarshaller = xmlContext.createMarshaller();
        xmlMarshaller.setFormattedOutput(false);
        xmlUnmarshaller = xmlContext.createUnmarshaller();
    }

    protected Document getControlDocument() {
        return controlDocument;
    }

    protected Document getWriteControlDocument() throws Exception {
        return getControlDocument();
    }

    protected void setControlDocument(String xmlResource) throws Exception {
        InputStream inputStream = ClassLoader.getSystemResourceAsStream(xmlResource);
        controlDocument = parser.parse(inputStream);
        removeEmptyTextNodes(controlDocument);
        inputStream.close();
    }

    public Object getReadControlObject() {
        return getControlObject();
    }

    public Object getWriteControlObject() {
        return getControlObject();
    }

    protected Object getControlObject() {
        Employee employee = new Employee();
        employee.firstName = "Jane";
        employee.lastName = "Doe";
        return employee;
    }

    public Object getReadControlObject(String resource) {
        Employee emp = (Employee) getControlObject();
        try {
            InputStream inputStream = ClassLoader.getSystemResourceAsStream(resource);
            Document xdoc = parser.parse(inputStream);
            inputStream.close();
            emp.xmlNode = xdoc.getElementsByTagName("xml-node").item(0);
        } catch (Exception ex) {}
        return emp;
    }

    public Object getWriteControlObject(String resource) {
        Employee emp = (Employee) getControlObject();
        try {
            InputStream inputStream = ClassLoader.getSystemResourceAsStream(resource);
            Document xdoc = parser.parse(inputStream);
            removeEmptyTextNodes(xdoc);
            inputStream.close();
            emp.xmlNode = xdoc.getElementsByTagName("xml-node").item(0);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return emp;
    }

    public Object getWriteControlObjectNS(String resource, String namespace) {
        Employee emp = (Employee) getControlObject();
        try {
            InputStream inputStream = ClassLoader.getSystemResourceAsStream(resource);
            Document xdoc = parser.parse(inputStream);
            removeEmptyTextNodes(xdoc);
            inputStream.close();
            emp.xmlNode = xdoc.getElementsByTagNameNS(namespace,"xml-node").item(0);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return emp;
    }

    // ------------------------- TESTS ------------------------- //
    /**
     * Test NodeRecord - prefixes and uris match
     */
    public void testObjectToXMLDocumentSamePrefixAndURI() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));
        Document testDocument = xmlMarshaller.objectToXML(getWriteControlObject(XML_SUB_ELEMENT));
        objectToXMLDocumentTest(testDocument, XML_RESOURCE, "testObjectToXMLDocumentSamePrefixAndURI");
    }

    /**
     * Test NodeRecord - prefixes don't match
     */
    public void testObjectToXMLDocumentDifferentPrefix() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));
        Document testDocument = xmlMarshaller.objectToXML(getWriteControlObject(XML_SUB_ELEMENT_DIFF_PFX));
        objectToXMLDocumentTest(testDocument, XML_RESOURCE_DIFF_PFX, "testObjectToXMLDocumentDifferentPrefix");
    }

    /**
     * Test NodeRecord - uris don't match
     */
    public void testObjectToXMLDocumentDifferentURI() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/some-other-uri");
        setProject(new XMLFragmentNSProject(nsresolver));
        Document testDocument = xmlMarshaller.objectToXML(getWriteControlObject(XML_SUB_ELEMENT));
        objectToXMLDocumentTest(testDocument, XML_RESOURCE_DIFF_URI, "testObjectToXMLDocumentDifferentURI");
    }

    /**
     * Test NodeRecord - prefixed child nodes
     */
    public void testObjectToXMLDocumentPrefixedChild() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");

        XMLFragmentMapping mapping = new XMLFragmentMapping();
        mapping.setAttributeName("xmlNode");
        mapping.setXPath("ns1:xml-node");
        setProject(new XMLFragmentNSProject(nsresolver, mapping));

        Document testDocument = xmlMarshaller.objectToXML(getWriteControlObjectNS(XML_SUB_ELEMENT_PFX_CHILD, "http://www.example.com/test-uri"));
        objectToXMLDocumentTest(testDocument, XML_RESOURCE_PFX_CHILD, "testObjectToXMLDocumentPrefixedChild");
    }

    /**
     * Test NodeRecord - prefixed child nodes (complex)
     */
    public void testObjectToXMLDocumentComplexPrefixedChild() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/x-test-uri");
        nsresolver.put("ns2", "http://www.example.com/y-test-uri");

        XMLFragmentMapping mapping = new XMLFragmentMapping();
        mapping.setAttributeName("xmlNode");
        mapping.setXPath("ns1:xml-node");
        setProject(new XMLFragmentNSProject(nsresolver, mapping));

        Document testDocument = xmlMarshaller.objectToXML(getWriteControlObjectNS(XML_SUB_ELEMENT_PFX_CHILD_COMPLEX, "http://www.example.com/x-test-uri"));
        objectToXMLDocumentTest(testDocument, XML_RESOURCE_PFX_CHILD_COMPLEX, "testObjectToXMLDocumentComplexPrefixedChild");
    }

    /**
     * Test ContentHandlerRecord - prefixes and uris match
     */
    public void testObjectToContentHandlerSamePrefixAndURI() throws Exception {
        setControlDocument(XML_RESOURCE);
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        SAXDocumentBuilder builder = new SAXDocumentBuilder();
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT), builder);

        Document controlDocument = getWriteControlDocument();
        Document testDocument = builder.getDocument();

        log("\n**testObjectToContentHandlerSamePrefixAndURI**");
        log("Expected:");
        log(controlDocument);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(controlDocument, importNodeFix(testDocument));
    }

    /**
     * Test ContentHandlerRecord - prefixes don't match
     */
    public void testObjectToContentHandlerDifferentPrefix() throws Exception {
        setControlDocument(XML_RESOURCE_DIFF_PFX);
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        SAXDocumentBuilder builder = new SAXDocumentBuilder();
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT_DIFF_PFX), builder);

        Document controlDocument = getWriteControlDocument();
        Document testDocument = builder.getDocument();

        log("\n**testObjectToContentHandlerDifferentPrefix**");
        log("Expected:");
        log(controlDocument);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(controlDocument, importNodeFix(testDocument));
    }

    /**
     * Test ContentHandlerRecord - uris don't match
     */
    public void testObjectToContentHandlerDifferentURI() throws Exception {
        setControlDocument(XML_RESOURCE_DIFF_URI);
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/some-other-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        SAXDocumentBuilder builder = new SAXDocumentBuilder();
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT), builder);

        Document controlDocument = getWriteControlDocument();
        Document testDocument = builder.getDocument();

        log("\n**testObjectToContentHandlerDifferentURI**");
        log("Expected:");
        log(controlDocument);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(controlDocument, importNodeFix(testDocument));
    }

    /**
     * Test ContentHandlerRecord - prefixed child nodes
     */
    public void testObjectToContentHandlerPrefixedChild() throws Exception {
        setControlDocument(XML_RESOURCE_PFX_CHILD);
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");

        XMLFragmentMapping mapping = new XMLFragmentMapping();
        mapping.setAttributeName("xmlNode");
        mapping.setXPath("ns1:xml-node");
        setProject(new XMLFragmentNSProject(nsresolver, mapping));

        SAXDocumentBuilder builder = new SAXDocumentBuilder();
        xmlMarshaller.marshal(getWriteControlObjectNS(XML_SUB_ELEMENT_PFX_CHILD, "http://www.example.com/test-uri"), builder);

        Document controlDocument = getWriteControlDocument();
        Document testDocument = builder.getDocument();

        log("\n**testObjectToContentHandlerPrefixedChild**");
        log("Expected:");
        log(controlDocument);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(controlDocument, importNodeFix(testDocument));
    }

    /**
     * Test WriterRecord - prefixes and uris match
     */
    public void testObjectToXMLStringWriter() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        StringWriter writer = new StringWriter();
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT), writer);
        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        objectToXMLDocumentTest(testDocument, XML_RESOURCE, "testObjectToXMLStringWriter");
    }

    /**
     * Test WriterRecord - prefixes don't match
     */
    public void testObjectToXMLStringWriterDifferentPrefix() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        StringWriter writer = new StringWriter();
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT_DIFF_PFX), writer);
        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        objectToXMLDocumentTest(testDocument, XML_RESOURCE_DIFF_PFX, "testObjectToXMLStringWriterDifferentPrefix");
    }

    /**
     * Test WriterRecord - uris don't match
     */
    public void testObjectToXMLStringWriterDifferentURI() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/some-other-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        StringWriter writer = new StringWriter();
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT), writer);
        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        objectToXMLDocumentTest(testDocument, XML_RESOURCE_DIFF_URI, "testObjectToXMLStringWriterDifferentURI");
    }

    /**
     * Test WriterRecord - prefixed child nodes
     */
    public void testObjectToXMLStringWriterPrefixedChild() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");

        XMLFragmentMapping mapping = new XMLFragmentMapping();
        mapping.setAttributeName("xmlNode");
        mapping.setXPath("ns1:xml-node");
        setProject(new XMLFragmentNSProject(nsresolver, mapping));

        StringWriter writer = new StringWriter();
        xmlMarshaller.marshal(getWriteControlObjectNS(XML_SUB_ELEMENT_PFX_CHILD, "http://www.example.com/test-uri"), writer);

        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        objectToXMLDocumentTest(testDocument, XML_RESOURCE_PFX_CHILD, "testObjectToXMLStringWriterPrefixedChild");
    }

    /**
     * Test WriterRecord - prefixed child nodes (complex)
     */
    public void testObjectToXMLStringWriterComplexPrefixedChild() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/x-test-uri");
        nsresolver.put("ns2", "http://www.example.com/y-test-uri");

        XMLFragmentMapping mapping = new XMLFragmentMapping();
        mapping.setAttributeName("xmlNode");
        mapping.setXPath("ns1:xml-node");
        setProject(new XMLFragmentNSProject(nsresolver, mapping));

        StringWriter writer = new StringWriter();
        xmlMarshaller.marshal(getWriteControlObjectNS(XML_SUB_ELEMENT_PFX_CHILD_COMPLEX, "http://www.example.com/x-test-uri"), writer);

        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        objectToXMLDocumentTest(testDocument, XML_RESOURCE_PFX_CHILD_COMPLEX, "testObjectToXMLStringWriterComplexPrefixedChild");
    }

    /**
     * Test FormattedWriterRecord - prefixes and uris match
     */
    public void testObjectToFormattedXMLStringWriter() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        StringWriter writer = new StringWriter();
        xmlMarshaller.setFormattedOutput(true);
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT), writer);
        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        InputStream inputStream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE);
        Document xdoc = parser.parse(inputStream);
        inputStream.close();


        log("\n**testObjectToFormattedXMLStringWriter**");
        log("Expected:");
        log(xdoc);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(xdoc, importNodeFix(testDocument));
    }

    /**
     * Test FormattedWriterRecord - prefixes don't match
     */
    public void testObjectToFormattedXMLStringWriterDifferentPrefix() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        StringWriter writer = new StringWriter();
        xmlMarshaller.setFormattedOutput(true);
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT_DIFF_PFX), writer);
        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);

        writer.close();
        reader.close();

        InputStream inputStream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE_DIFF_PFX);
        Document xdoc = parser.parse(inputStream);
        inputStream.close();


        log("\n**testObjectToFormattedXMLStringWriterDifferentPrefix**");
        log("Expected:");
        log(xdoc);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(xdoc, importNodeFix(testDocument));
    }

    /**
     * Test FormattedWriterRecord - uris don't match
     */
    public void testObjectToFormattedXMLStringWriterDifferentURI() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/some-other-uri");
        setProject(new XMLFragmentNSProject(nsresolver));

        StringWriter writer = new StringWriter();
        xmlMarshaller.setFormattedOutput(true);
        xmlMarshaller.marshal(getWriteControlObject(XML_SUB_ELEMENT), writer);
        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        InputStream inputStream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE_DIFF_URI);
        Document xdoc = parser.parse(inputStream);
        inputStream.close();


        log("\n**testObjectToFormattedXMLStringWriterDifferentURI**");
        log("Expected:");
        log(xdoc);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(xdoc, importNodeFix(testDocument));
    }

    /**
     * Test WriterRecord - prefixed child nodes
     */
    public void testObjectToFormattedXMLStringWriterPrefixedChild() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");

        XMLFragmentMapping mapping = new XMLFragmentMapping();
        mapping.setAttributeName("xmlNode");
        mapping.setXPath("ns1:xml-node");
        setProject(new XMLFragmentNSProject(nsresolver, mapping));

        StringWriter writer = new StringWriter();
        xmlMarshaller.setFormattedOutput(true);
        xmlMarshaller.marshal(getWriteControlObjectNS(XML_SUB_ELEMENT_PFX_CHILD, "http://www.example.com/test-uri"), writer);

        StringReader reader = new StringReader(writer.toString());
        InputSource inputSource = new InputSource(reader);
        Document testDocument = parser.parse(inputSource);
        writer.close();
        reader.close();

        InputStream inputStream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE_PFX_CHILD);
        Document xdoc = parser.parse(inputStream);
        inputStream.close();


        log("\n**testObjectToFormattedXMLStringWriterPrefixedChild**");
        log("Expected:");
        log(xdoc);
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(xdoc, importNodeFix(testDocument));
    }

    /**
     *
     */
    public void testXMLToObjectFromInputStream() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));
        InputStream instream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE);
        Object testObject = xmlUnmarshaller.unmarshal(instream);
        instream.close();
        xmlToObjectTest(testObject, XML_SUB_ELEMENT, "testXMLToObjectFromInputStream");
    }

    /**
     *
     */
    public void testXMLToObjectFromURL() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));
        java.net.URL url = ClassLoader.getSystemResource(XML_RESOURCE);
        Object testObject = xmlUnmarshaller.unmarshal(url);
        xmlToObjectTest(testObject, XML_SUB_ELEMENT, "testXMLToObjectFromURL");
    }

    /**
     *
     */
    public void testUnmarshallerHandler() throws Exception {
        NamespaceResolver nsresolver = new NamespaceResolver();
        nsresolver.put("ns1", "http://www.example.com/test-uri");
        setProject(new XMLFragmentNSProject(nsresolver));
        SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
        saxParserFactory.setNamespaceAware(true);
        SAXParser saxParser = saxParserFactory.newSAXParser();
        XMLReader xmlReader = saxParser.getXMLReader();

        XMLUnmarshallerHandler xmlUnmarshallerHandler = xmlUnmarshaller.getUnmarshallerHandler();
        xmlReader.setContentHandler(xmlUnmarshallerHandler);

        InputStream inputStream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE);
        InputSource inputSource = new InputSource(inputStream);
        xmlReader.parse(inputSource);

        xmlToObjectTest(xmlUnmarshallerHandler.getResult(), XML_SUB_ELEMENT, "testUnmarshallerHandler");
    }

    // ------------------ CONVENIENCE METHODS ------------------ //
    protected void objectToXMLDocumentTest(Document testDocument, String resource, String testCase) throws Exception {
        setControlDocument(resource);
        log("\n**"+testCase+"**");
        log("Expected:");
        log(getWriteControlDocument());
        log("\nActual:");
        log(testDocument);
        log("\n");

        assertXMLIdentical(getWriteControlDocument(), importNodeFix(testDocument));
    }

    protected void xmlToObjectTest(Object testObject, String resource, String testCase) throws Exception {
        log("\n**"+testCase+"**");
        log("Expected:");
        log(getReadControlObject(resource).toString());
        log("\nActual:");
        log(testObject.toString());
        log("\n");

        Employee testEmp = (Employee) testObject;
        removeEmptyTextNodes(testEmp.xmlNode);

        Employee controlEmp = (Employee) getReadControlObject(resource);
        removeEmptyTextNodes(controlEmp.xmlNode);

        assertEquals(controlEmp, testEmp);
    }

    protected Document importNodeFix(Document testDocument) {
        try {
            Transformer transformer = TransformerFactory.newInstance().newTransformer();
            StringWriter writer = new StringWriter();
            transformer.transform(new DOMSource(testDocument), new StreamResult(writer));
            StringReader reader = new StringReader(writer.toString());
            testDocument = parser.parse(new InputSource(reader));
            writer.close();
            reader.close();
        } catch (Exception x) {}

        return testDocument;
    }
}