/**
*
* The MIT License
*
* Copyright (c) 2011 the original author or authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.googlecode.charts4j;
import static com.googlecode.charts4j.Color.AZURE;
import static com.googlecode.charts4j.Color.BLACK;
import static com.googlecode.charts4j.Color.GREEN;
import static com.googlecode.charts4j.Color.LIGHTBLUE;
import static com.googlecode.charts4j.Color.LIGHTGREY;
import static com.googlecode.charts4j.Color.RED;
import static com.googlecode.charts4j.Color.WHITE;
import static com.googlecode.charts4j.UrlUtil.normalize;
import static org.junit.Assert.assertEquals;
import java.util.LinkedList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
*
* @author Julien Chastang (julien.c.chastang at gmail dot com)
*/
public class LineChartTest {
@BeforeClass
public static void setUpBeforeClass() throws Exception {
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).setLevel(Level.ALL);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
}
@Before
public void setUp() throws Exception {
}
@After
public void tearDown() throws Exception {
}
/**
* A chart with colored lines and mulitple labels
*/
@Test
public void test0() {
// Defining Line
final Line line = Plots.newLine(Data.newData(0, 45, 35, 75, 100));
line.setLineStyle(LineStyle.newLineStyle(3, 1, 0));
line.setColor(RED);
// Defining chart.
final LineChart chart = GCharts.newLineChart(line);
chart.setSize(400, 300);
chart.setTitle("Web Traffic|(in billions of hits)", RED, 14);
chart.addXAxisLabels(AxisLabelsFactory.newAxisLabels("Nov", "Dec", "Jan", "Feb", "Mar"));
chart.addXAxisLabels(AxisLabelsFactory.newAxisLabels("2008", "2007", "2008", "2008", "2008"));
chart.addYAxisLabels(AxisLabelsFactory.newAxisLabels("", "25", "50", "75", "100"));
// Defining background and chart fills.
chart.setBackgroundFill(Fills.newSolidFill(LIGHTGREY));
final LinearGradientFill fill = Fills.newLinearGradientFill(0, LIGHTBLUE, 100);
fill.addColorAndOffset(WHITE, 0);
chart.setAreaFill(fill);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?chco=FF0000&chd=e:AAczWZv...&chf=bg,s,D3D3D3|c,lg,0,ADD8E6,1.0,FFFFFF,0.0&chls=3,1,0&chs=400x300&cht=lc&chts=FF0000,14&chtt=Web+Traffic%7C%28in+billions+of+hits%29&chxl=0:||25|50|75|100|1:|Nov|Dec|Jan|Feb|Mar|2:|2008|2007|2008|2008|2008&chxt=y,x,x";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing legends, line styles and multiple lines.
*/
@Test
public void test1() {
final Line line = Plots.newLine(Data.newData(0, 50, 100), GREEN);
line.setLineStyle(LineStyle.newLineStyle(3, 6, 3));
final Line line2 = Plots.newLine(Data.newData(0, 10, 20), RED, "my legend 2");
final LineChart chart = GCharts.newLineChart(line, line2);
chart.setTitle("Foobar");
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?cht=lc&chs=200x125&chls=3,6,3|1,1,0&chco=008000,FF0000&chdl=+|my+legend+2&chd=e:AAgA..,AAGaMz&chtt=Foobar";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing chart fill.
*/
@Test
public void test2() {
final Line line = Plots.newLine(Data.newData(0, 50, 100), GREEN);
final LineChart chart = GCharts.newLineChart(line);
chart.setTitle("Foobar");
chart.setBackgroundFill(Fills.newSolidFill(AZURE));
chart.setAreaFill(Fills.newSolidFill(BLACK));
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?cht=lc&chs=200x125&chco=008000&chf=bg,s,F0FFFF|c,s,000000&chd=e:AAgA..&chtt=Foobar";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing linear stripes.
*/
@Test
public void test3() {
final Line line = Plots.newLine(Data.newData(0, 50, 100), GREEN);
line.setLineStyle(LineStyle.newLineStyle(3, 6, 3));
line.setLegend("foo");
final AxisLabels info = AxisLabelsFactory.newNumericRangeAxisLabels(20, 30);
final LineChart chart = GCharts.newLineChart(line);
chart.addYAxisLabels(info);
chart.setTitle("Foobar");
final LinearStripesFill ls = Fills.newLinearStripesFill(0, LIGHTGREY, 20);
ls.addColorAndWidth(WHITE, 20);
chart.setBackgroundFill(ls);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?chco=008000&chd=e:AAgA..&chdl=foo&chf=bg,ls,0,D3D3D3,0.2,FFFFFF,0.2&chls=3,6,3&chs=200x125&cht=lc&chtt=Foobar&chxr=0,20.0,30.0&chxt=y";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing sparklines
*/
@Test
public void test4() {
final Line line = Plots.newLine(Data.newData(0, 50, 100), GREEN);
final LineChart chart = GCharts.newLineChart(line);
chart.setSparkline(true);
chart.setTitle("Foobar");
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?cht=ls&chs=200x125&chco=008000&chd=e:AAgA..&chtt=Foobar";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing Gridlines
*/
@Test
public void test5() {
final Line line = Plots.newLine(Data.newData(0, 50, 100), GREEN);
final LineChart chart = GCharts.newLineChart(line);
chart.setSize(400, 400);
chart.setGrid(20, 20, 5, 5);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?chco=008000&chd=e:AAgA..&chg=20.0,20.0,5,5&chs=400x400&cht=lc";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing Gridlines
*/
@Test
public void test6() {
final Line line0 = Plots.newLine(Data.newData(0, 50, 100), RED);
line0.setPriority(Priority.LOW);
final Line line1 = Plots.newLine(Data.newData(0, 50, 100), GREEN);
line1.setPriority(Priority.HIGH);
final LineChart chart = GCharts.newLineChart(line0, line1);
chart.setSize(400, 400);
chart.setGrid(20, 20, 5, 5);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?chco=FF0000,008000&chd=e:AAgA..,AAgA..&chg=20.0,20.0,5,5&chm=D,FF0000,0,0,1,-1|D,008000,1,0,1,1&chs=400x400&cht=lc";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing legends, line styles and multiple lines.
*/
@Test
public void test7() {
final Line line = Plots.newLine(Data.newData(0, 50, 100), GREEN, "myLegend");
final LineChart chart = GCharts.newLineChart(line);
chart.setLegendPosition(LegendPosition.BOTTOM);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?chco=008000&chd=e:AAgA..&chdl=myLegend&chdlp=b&chs=200x125&cht=lc";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing chart transparency. Also exposes a bug in the Google Chart API
* where the label color badge disappears.
*/
@Test
public void test8() {
final Line line = Plots.newLine(Data.newData(0, 50, 100), GREEN, "myLegend");
final LineChart chart = GCharts.newLineChart(line);
chart.setTransparency(50);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?chco=008000&chd=e:AAgA..&chdl=myLegend&chf=a,s,FFFFFF7F&chs=200x125&cht=lc";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
/**
* Testing plotting one point.
*/
@Test
public void test9() {
final Line line = Plots.newLine(Data.newData(50));
final LineChart chart = GCharts.newLineChart(line);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?cht=lc&chd=e:gA&chs=200x125";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
@Test
public void test10() {
double d0[] = new double[100];
double d1[] = new double[100];
for (int i = 0; i < d0.length; i++) {
d0[i] = 5*Math.sin(i*0.2);
}
for (int i = 0; i < d1.length; i++) {
d1[i] = Math.cos(i*0.2);
}
List<Data> data = DataUtil.scale(new double[][]{d0,d1});
List<Plot> plots = new LinkedList<Plot>();
for (Data d : data) {
plots.add(Plots.newPlot(d));
}
final LineChart chart = GCharts.newLineChart(plots);
Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).info(chart.toURLString());
String expectedString = "http://chart.apis.google.com/chart?chd=e:gAmXsdyE296791.i...K9G541nwgqukheIX1R2MbHyEHBjANAIBUDvHRLzRIXEdWjvp-v01B5Z8w--.9.q-G7W3gyutMnIgzabUROmJnFhCeAnAAArClFrJ0O1UiathFnatcy83s7f-N.t.8-68o5O00vkptjddEWyQ4LlHGDmBPAGAPBpEQH-MpSGYGeakzq.wv116C,mamRl5lSkdjdiUhGf0ejdVcPbSahZ-ZqZnZ0aRa8b0c3eCfSgkh0jAkEk-lrmJmYmXmFlkk1j5i0hngWfEd1crbqa0aLZxZmZtaDaobbcadiewgChTihjpknlal-mUmZmOl0lKkTjSiHg4fmeWdJcEbJaaZ6ZpZoZ4aXbFb.dDePfggxiBjMkOlGlxmNmZmVmBldkrju&chs=200x125&cht=lc";
assertEquals("Junit error", normalize(expectedString), normalize(chart.toURLString()));
}
}