testxmlspaceattribute.java

Java的面向对象数据库系统的源代码

/*
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 *
 * $Id: TestXMLSpaceAttribute.java,v 1.1 2003/07/07 10:30:29 per_nyfelt Exp $
 */

package test.dom4j;

import junit.framework.Test;
import junit.framework.TestSuite;
import junit.textui.TestRunner;
import org.dom4j.Document;
import org.dom4j.Element;
import org.ozoneDB.xml.dom4j.O3DocumentHelper;

import java.io.IOException;

/** A test harness to test the xml:space attribute for preserve.
  * If it is preserve, then keep whitespace.
  *
  * @author <a href="mailto:[e-mail]">David Lucas</a>
  * @version $Revision: 1.1 $
  */
public class TestXMLSpaceAttribute extends AbstractTestCase {

    public static void main( String[] args ) {
        TestRunner.run( suite() );
    }

    public static Test suite() {
        return new TestSuite( TestXMLSpaceAttribute.class );
    }

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

    // Test case(s)
    //-------------------------------------------------------------------------
    public void testWithTextTrimOn() throws Exception {
      try {
        String xmlString = "<top >" +
          "<row><col>   This is a test!</col></row>"+
          "<row><col xml:space=\'preserve\' >   This is a test!</col></row>"+
          "<row><col>   This is a test!</col></row>"+
                         "</top>";
        Document doc1 = O3DocumentHelper.parseText(xmlString);
        Element c2=(Element)doc1.selectSingleNode("/top/row[2]/col");
	String expected="   New Text TrimOn! ";
        c2.setText(expected);

        String xml = rewriteToXmlString(doc1,true);

        Document doc2 = O3DocumentHelper.parseText(xml);
        Element c4=(Element)doc2.selectSingleNode("/top/row[2]/col");
        String actual=c4.getText();

        assertEquals("compared element text expecting whitespace",expected,actual);

        expected = expected.trim();
        actual=c4.getTextTrim();
        assertEquals("compared element getTextTrim",expected,actual);

        expected="This is a test!";
        Element c5 = (Element)doc2.selectSingleNode("/top/row[3]/col");
        actual=c5.getText();
        assertEquals("compared element text expecting trimmed whitespace",
                     expected,actual);
      }
      catch (Exception ex) {
        ex.printStackTrace();
        this.assertTrue(ex.getMessage(),false);
      }
    }


    //-------------------------------------------------------------------------
    public void testWithTextTrimOff() throws Exception {
      try {
        String xmlString = "<top >" +
          "<row><col>   This is a test!</col></row>"+
          "<row><col xml:space=\'preserve\' >   This is a test!</col></row>"+
          "<row><col>   This is a test!</col></row>"+
                         "</top>";
        Document doc1 = O3DocumentHelper.parseText(xmlString);
        Element c2=(Element)doc1.selectSingleNode("/top/row[2]/col");
        String expected="   New Text TrimOff! ";
        c2.setText(expected);
        String xml = rewriteToXmlString(doc1,false);

        Document doc2 = O3DocumentHelper.parseText(xml);
        Element c4=(Element)doc2.selectSingleNode("/top/row[2]/col");
        String actual=c4.getText();

        assertEquals("compared element text expecting whitespace",expected,actual);
      }
      catch (Exception ex) {
        ex.printStackTrace();
        this.assertTrue(ex.getMessage(),false);
      }
    }

    //-------------------------------------------------------------------------
    public void testWithTextTrimOnFollow() throws Exception {
      try {
        String xmlString = "<top >" +
          "<row><col>   This is a test!</col></row>"+
          "<row>"+
               "<col xml:space=\'preserve\' >"+
                 "<a><b>   This is embedded!</b></a>"+
                 "<a><b>   This is space=preserve too!</b></a>"+
               "</col>"+
          "</row>"+
          "<row><col>   This is a test!</col></row>"+
                         "</top>";
        Document doc1 = O3DocumentHelper.parseText(xmlString);
        Element c2=(Element)doc1.selectSingleNode("/top/row[2]/col/a[1]/b");
        String expected="   New Text TrimOnFollow! ";
        c2.setText(expected);
        String xml = rewriteToXmlString(doc1,true);

        Document doc2 = O3DocumentHelper.parseText(xml);

        Element c4=(Element)doc2.selectSingleNode("/top/row[2]/col/a[1]/b");
        String actual=c4.getText();

        assertEquals("compared element text expecting whitespace",expected,actual);

        Element c8=(Element)doc2.selectSingleNode("/top/row[2]/col/a[2]/b");

        expected="   This is space=preserve too!";
        actual=c8.getText();
        assertEquals("compared element text follow trimmed whitespace",expected,actual);

        expected = expected.trim();
        actual=c8.getTextTrim();
        assertEquals("compared element getTextTrim",expected,actual);
        Element c12=(Element)doc2.selectSingleNode("/top/row[3]/col");

        expected="This is a test!";
        actual=c12.getText();
        assertEquals("compared element text follow trimmed whitespace",expected,actual);
      }
      catch (Exception ex) {
        ex.printStackTrace();
        this.assertTrue(ex.getMessage(),false);
      }
    }
    //-------------------------------------------------------------------------
    public void testWithTextTrimOnNested() throws Exception {
      try {
        String xmlString = "<top >" +
          "<row><col>   This is a test!</col></row>"+
          "<row>"+
               "<col xml:space='preserve' >"+
                 "<a>"+
                   "<b>   This is embedded! </b>"+
                   "<b xml:space='default' >   This should do global default! </b>"+
                   "<b>   This is embedded! </b>"+
                 "</a>"+
               "</col>"+
          "</row>"+
          "<row><col>   This is a test!</col></row>"+
                         "</top>";
        Document doc1 = O3DocumentHelper.parseText(xmlString);
        Element c2=(Element)doc1.selectSingleNode("/top/row[2]/col/a[1]/b");
        String expected="   New Text TrimOnNested! ";
        c2.setText(expected);
        String xml = rewriteToXmlString(doc1,true);

        Document doc2 = O3DocumentHelper.parseText(xml);

        Element c4=(Element)doc2.selectSingleNode("/top/row[2]/col/a[1]/b[1]");
        String actual=c4.getText();
        assertEquals("compared element text expecting whitespace",expected,actual);

        Element c8=(Element)doc2.selectSingleNode("/top/row[2]/col/a[1]/b[2]");
        expected="This should do global default!";
        actual=c8.getText();
        assertEquals("compared element text nested trimmed whitespace",expected,actual);

        Element c12=(Element)doc2.selectSingleNode("/top/row[2]/col/a[1]/b[3]");
        expected="   This is embedded! ";
        actual=c12.getText();
        assertEquals("compared element text nested preserved whitespace",expected,actual);
      }
      catch (Exception ex) {
        ex.printStackTrace();
        this.assertTrue(ex.getMessage(),false);
      }
    }
    // Implementation methods
    //-------------------------------------------------------------------------

    private String rewriteToXmlString(Document doc,boolean trimOn) throws IOException {
      org.dom4j.io.OutputFormat of = org.dom4j.io.OutputFormat.createCompactFormat();
      of.setIndent(true);
      of.setNewlines(true);
      of.setExpandEmptyElements(false);
      of.setSuppressDeclaration(false);
      of.setOmitEncoding(false);
      of.setEncoding("UTF-8");
      of.setTrimText(trimOn);
      java.io.ByteArrayOutputStream os = new java.io.ByteArrayOutputStream();
      java.io.BufferedOutputStream bos= new java.io.BufferedOutputStream(os);
      org.dom4j.io.XMLWriter xmlWriter = new org.dom4j.io.XMLWriter(of);

      xmlWriter.setOutputStream(bos);
      xmlWriter.write(doc);
      xmlWriter.close();
      String xml = os.toString();

      //System.out.println("***** xml out *****\n"+xml);

      return xml;
    }

    //-------------------------------------------------------------------------
    public void testWithEscapeTextTrimOn() throws Exception {
      try {
        String xmlString = "<top >" +
          "<row><col>   This is a test!</col></row>"+
          "<row><col xml:space=\'preserve\' >   This is a test!\r\nWith a new line, special character like &amp; , and\t tab.</col></row>"+
          "<row><col>   This is a test!\r\nWith a new line, special character like &amp; , and\t tab.</col></row>"+
                         "</top>";
        Document doc1 = O3DocumentHelper.parseText(xmlString);
        String xml = rewriteToXmlString(doc1,true);
        Document doc2 = O3DocumentHelper.parseText(xml);

        Element c2=(Element)doc2.selectSingleNode("/top/row[2]/col");
        String expected="   This is a test!\nWith a new line, special character like & , and\t tab.";
        String actual=c2.getText();
        assertEquals("compared element text expecting whitespace",expected,actual);

        Element c4=(Element)doc2.selectSingleNode("/top/row[3]/col");
        expected="This is a test! With a new line, special character like & , and tab.";
        actual=c4.getText();
        assertEquals("compared element text expecting whitespace",expected,actual);
      }
      catch (Exception ex) {
        ex.printStackTrace();
        this.assertTrue(ex.getMessage(),false);
      }
    }


}




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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * $Id: TestXMLSpaceAttribute.java,v 1.1 2003/07/07 10:30:29 per_nyfelt Exp $
 */