timeseriesurlgeneratortests.java

提供JFreechart图表功能, 提供JFreechart图表功能,提供JFreechart图表功能

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
 * USA.  
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * --------------------------------
 * TimeSeriesURLGeneratorTests.java
 * --------------------------------
 * (C) Copyright 2007, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 17-Apr-2007 : Version 1 (DG);
 *
 */

package org.jfree.chart.urls.junit;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.text.SimpleDateFormat;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.jfree.chart.urls.TimeSeriesURLGenerator;
import org.jfree.data.xy.DefaultXYDataset;

/**
 * Tests for the {@link TimeSeriesURLGenerator} class.
 */
public class TimeSeriesURLGeneratorTests extends TestCase {

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */
    public static Test suite() {
        return new TestSuite(TimeSeriesURLGeneratorTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */
    public TimeSeriesURLGeneratorTests(String name) {
        super(name);
    }

    /**
     * A basic check for the generateURL() method.
     */
    public void testGenerateURL() {
        TimeSeriesURLGenerator g = new TimeSeriesURLGenerator();
        DefaultXYDataset dataset = new DefaultXYDataset();
        dataset.addSeries("Series '1'", new double[][] { {1.0, 2.0}, 
                {3.0, 4.0}});
        String s = g.generateURL(dataset, 0, 0);
        assertTrue(s.startsWith("index.html?series=Series+%271%27&item="));
    }
    
    /**
     * Check that the equals() method can distinguish all fields.
     */
    public void testEquals() {
        TimeSeriesURLGenerator g1 = new TimeSeriesURLGenerator();
        TimeSeriesURLGenerator g2 = new TimeSeriesURLGenerator();
        assertTrue(g1.equals(g2));
        
        g1 = new TimeSeriesURLGenerator(new SimpleDateFormat("yyyy"), "prefix", 
                "series", "item");
        assertFalse(g1.equals(g2));
        g2 = new TimeSeriesURLGenerator(new SimpleDateFormat("yyyy"), "prefix", 
                "series", "item");
        assertTrue(g1.equals(g2));

        g1 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix", 
                "series", "item");
        assertFalse(g1.equals(g2));
        g2 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix", 
                "series", "item");
        assertTrue(g1.equals(g2));
    
        g1 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix1", 
                "series", "item");
        assertFalse(g1.equals(g2));
        g2 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix1", 
                "series", "item");
        assertTrue(g1.equals(g2));

        g1 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix1", 
                "series1", "item");
        assertFalse(g1.equals(g2));
        g2 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix1", 
                "series1", "item");
        assertTrue(g1.equals(g2));
    
        g1 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix1", 
                "series1", "item1");
        assertFalse(g1.equals(g2));
        g2 = new TimeSeriesURLGenerator(new SimpleDateFormat("yy"), "prefix1", 
                "series1", "item1");
        assertTrue(g1.equals(g2));
    }
    
    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        TimeSeriesURLGenerator g1 = new TimeSeriesURLGenerator();
        TimeSeriesURLGenerator g2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(g1);
            out.close();

            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                    buffer.toByteArray()));
            g2 = (TimeSeriesURLGenerator) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(g1, g2);

    }

}