axiom/modules/axiom-tests/src/test/java/org/apache/axiom/om/impl/llom/OMDocumentSerilizationTest.java

/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * Licensed 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.axiom.om.impl.llom;

import junit.framework.TestCase;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMDocument;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.om.OMOutputFormat;

import javax.xml.stream.XMLStreamException;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;

/**
 * This tests the serializeAndConsume method
 */
public class OMDocumentSerilizationTest extends TestCase {

    private OMDocument document;
    private String xmlDeclStart = "<?xml";
    private String encoding = "encoding='UTF-8'";
    private String encoding_UTF16 = "encoding='UTF-16'";
    private String encoding2 = "encoding=\"UTF-8\"";
    private String encoding2_UTF16 = "encoding=\"UTF-16\"";
    private String version = "version='1.0'";
    private String version_11 = "version='1.1'";
    private String version2 = "version=\"1.0\"";
    private String version2_11 = "version=\"1.1\"";

    public void setUp() {
        OMFactory factory = OMAbstractFactory.getOMFactory();

        OMNamespace namespace = factory.createOMNamespace("http://testuri.org","test");
        OMElement documentElement = factory.createOMElement("DocumentElement",namespace);

        OMElement child1 = factory.createOMElement("Child1",namespace);
        child1.setText("TestText");
        documentElement.addChild(child1);

        document = factory.createOMDocument();
        document.setOMDocumentElement(documentElement);

    }

    public OMDocumentSerilizationTest(String name) {
        super(name);
    }


    public void testXMLDecleration() throws XMLStreamException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        document.serializeAndConsume(baos);

        String xmlDocument = new String(baos.toByteArray());

        assertTrue("XML Declaration missing",-1<xmlDocument.indexOf(xmlDeclStart));
    }

    public void testExcludeXMLDeclaration() throws XMLStreamException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OMOutputFormat format = new OMOutputFormat();
        format.setIgnoreXMLDeclaration(true);
        document.serializeAndConsume(baos, format);

        String xmlDocument = new String(baos.toByteArray());

        assertTrue(
                "XML Declaration is included when serilizing without the declaration",
                -1 == xmlDocument.indexOf(xmlDeclStart));
    }

    public void testCharsetEncoding() throws XMLStreamException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        document.serializeAndConsume(baos);

        String xmlDocument = new String(baos.toByteArray());

        assertTrue("Charset declaration missing",-1 < xmlDocument.indexOf(encoding) ||
                                                 -1 < xmlDocument.indexOf(encoding.toLowerCase()) ||
                                                 -1 < xmlDocument.indexOf(encoding2.toLowerCase()) ||
                                                 -1 < xmlDocument.indexOf(encoding2));
    }

    public void testCharsetEncodingUTF_16() throws XMLStreamException, UnsupportedEncodingException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OMOutputFormat format = new OMOutputFormat();
        format.setCharSetEncoding("UTF-16");
        document.serializeAndConsume(baos, format);

        String xmlDocument = new String(baos.toByteArray(),"UTF-16");
        assertTrue("Charset declaration missing",-1<xmlDocument.indexOf(encoding_UTF16) ||
                                                 -1<xmlDocument.indexOf(encoding2_UTF16));
    }


    public void testXMLVersion() throws XMLStreamException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        document.serializeAndConsume(baos);

        String xmlDocument = new String(baos.toByteArray());
        assertTrue("Charset declaration missing",-1<xmlDocument.indexOf(version) ||
                                                 -1<xmlDocument.indexOf(version2));
    }

    public void testXMLVersion_11() throws XMLStreamException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        document.setXMLVersion("1.1");
        document.serializeAndConsume(baos);

        String xmlDocument = new String(baos.toByteArray());
        assertTrue("Charset declaration missing",-1<xmlDocument.indexOf(version_11) ||
                                                 -1<xmlDocument.indexOf(version2_11));
    }
}