insertandretrievaltest.java

Java的面向对象数据库系统的源代码

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-@year@ by SMB GmbH. All rights reserved.
//
// $Id: InsertAndRetrievalTest.java,v 1.3 2003/06/23 14:41:48 per_nyfelt Exp $
package test.ozoneDB.xml.dom4j;

import junit.framework.TestCase;
import org.dom4j.Document;
import org.dom4j.Element;
import org.ozoneDB.ExternalDatabase;
import org.ozoneDB.xml.dom4j.O3DocumentHelper;

/**
 * $Id: InsertAndRetrievalTest.java,v 1.3 2003/06/23 14:41:48 per_nyfelt Exp $
 */
public class InsertAndRetrievalTest extends TestCase {

    ExternalDatabase db;

    public InsertAndRetrievalTest(String methodName) {
        super(methodName);
    }

    private void init() throws Exception {
        db = ExternalDatabase.openDatabase("ozonedb:remote://localhost:3333");
        O3DocumentHelper.configure(db);
    }

    public void testInsertAndRetrieval() {

        try {
            init();
            Document doc = O3DocumentHelper.fetchDocument("testDoc");
            if (doc != null) {
                System.out.println("deleting existing testDoc");
                O3DocumentHelper.deleteDocument(doc);
            }
            doc = O3DocumentHelper.createDocument("testDoc");
            assertNotNull("Creating document", doc);
            //db.nameObject((OzoneRemote) doc, "testDoc");
            Element root = O3DocumentHelper.createElement("addresses");
            assertNotNull("Creating adresses element", root);
            assertEquals("addresses", root.getName());
            doc.setRootElement(root);
            assertEquals("adding root element to doc ", root, doc.getRootElement());

            Element el1 = O3DocumentHelper.createElement("address");
            assertEquals("Creating element address 1","address", el1.getName() );
            //Attribute att = O3DocumentHelper.createAttribute(null, "name", "Andreas");
            //el1.add(att);
            el1.addAttribute("name", "Andreas");
            assertEquals("Adding name attribute to el1", "Andreas", el1.attributeValue("name"));

            Element town1 = O3DocumentHelper.createElement("town");
            town1.setText("New York");
            assertEquals("setting text new york", "New York", town1.getText() );
            el1.add(town1);
            root.add(el1);

            //System.out.println("[DocumentHelperTest] - Creating element address 2");
            Element el2 = O3DocumentHelper.createElement("address");
            //System.out.println("[DocumentHelperTest] - Adding name attribute to el2");
            O3DocumentHelper.createAttribute(el2, "name", "Lars");
            //el2.addAttribute("name","Lars");
            //System.out.println("[DocumentHelperTest] - creating element town 2");
            Element town2 = O3DocumentHelper.createElement("town");
            //System.out.println("[DocumentHelperTest] - setting text to Los Angeles");
            town2.setText("Los Angeles");
            //System.out.println("[DocumentHelperTest] - Adding town2 to el2");
            el2.add(town2);
            //System.out.println("[DocumentHelperTest] - Adding el2 to root");
            root.add(el2);
            assertEquals("Second element should have a town element callled Los Angeles",
                    ((Element)root.elements().get(1)).element("town").getText(),
                    "Los Angeles");

            String docXML = doc.asXML();
            //System.out.println("created document " + docXML);
            db.close();
            init();
            Document doc2 = O3DocumentHelper.fetchDocument("testDoc");
            String doc2XML = doc2.asXML();
            //System.out.println("found document " + doc2XML);
            db.close();
            init();
            assertEquals("matching asXML output", docXML, doc2XML);
            O3DocumentHelper.deleteDocument(doc2);
            db.close();
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }

    public void testChainedBuilding() {
        try {
            init();
            Document document = null;
            try {
                document = O3DocumentHelper.createDocument();
            } catch (Exception e) {
                fail(e.toString());
            }
            Element root = document.addElement("root");

            root.addElement("author")
                    .addAttribute("name", "Toby")
                    .addAttribute("location", "Germany")
                    .addText("Tobias Rademacher");

            assertEquals("First attribute should be name, ",
                         "name",
                         root.element("author").attribute(0).getQName().getName());

            root.addElement("author")
                    .addAttribute("name", "James")
                    .addAttribute("location", "UK")
                    .addText("James Strachan");

            assertEquals("Author text should be James Strachan, ",
                         "James Strachan",
                         ((Element)root.elements().get(1)).getText());
            String xmlDoc = document.asXML();
            assertNotNull(xmlDoc);
            //System.out.println("document created: " + xmlDoc);

            O3DocumentHelper.deleteDocument(document);
            db.close();
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }

}