File D:\maven-qcr-plugin-testsunitaires\qcr4java\jenkins-master\target\site\qc\core\src\test\java\hudson\model\LoadStatisticsTest.java.html

1 /*
2 * The MIT License
3 *
4 * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 package hudson.model;
25
26 import hudson.model.MultiStageTimeSeries.TimeScale;
27 import junit.framework.TestCase;
28
29 import org.apache.commons.io.IOUtils;
30 import org.jfree.chart.JFreeChart;
31
32 import javax.imageio.ImageIO;
33 import java.awt.image.BufferedImage;
34 import java.io.File;
35 import java.io.FileOutputStream;
36 import java.io.IOException;
37
38 /**
39 * @author Kohsuke Kawaguchi
40 */
41 public class LoadStatisticsTest extends TestCase {
42 public void testGraph() throws IOException {
43 LoadStatistics ls = new LoadStatistics(0, 0) {
44 public int computeIdleExecutors() {
45 throw new UnsupportedOperationException();
46 }
47
48 public int computeTotalExecutors() {
49 throw new UnsupportedOperationException();
50 }
51
52 public int computeQueueLength() {
53 throw new UnsupportedOperationException();
54 }
55 };
56
57 for (int i = 0; i < 50; i++) {
58 ls.totalExecutors.update(4);
59 ls.busyExecutors.update(3);
60 ls.queueLength.update(3);
61 }
62
63 for (int i = 0; i < 50; i++) {
64 ls.totalExecutors.update(0);
65 ls.busyExecutors.update(0);
66 ls.queueLength.update(1);
67 }
68
69 JFreeChart chart = ls.createTrendChart(TimeScale.SEC10).createChart();
70 BufferedImage image = chart.createBufferedImage(400, 200);
71
72 File tempFile = File.createTempFile("chart-", "png");
73 FileOutputStream os = new FileOutputStream(tempFile);
74 try {
75 ImageIO.write(image, "PNG", os);
76 } finally {
77 IOUtils.closeQuietly(os);
78 tempFile.delete();
79 }
80 }
81 }
82