/*
* Copyright 2008-2017 by Emeric Vernat
*
* This file is part of Java Melody.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.bull.javamelody;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.junit.Before;
import org.junit.Test;
import net.bull.javamelody.TestTomcatInformations.GlobalRequestProcessor;
import net.bull.javamelody.TestTomcatInformations.ThreadPool;
/**
* Test unitaire de la classe HtmlJavaInformationsReport.
* @author Emeric Vernat
*/
public class TestHtmlJavaInformationsReport {
private StringWriter writer;
/** Initialisation. */
@Before
public void setUp() {
Utils.initialize();
// pour testTomcatInformations (si la classe TomcatInformations est déjà chargée,
// c'est trop tard, et c'est pourquoi cela doit être défini au lancement de junit)
System.setProperty("catalina.home", "unknown");
writer = new StringWriter();
}
/** Test. */
@Test
public void testGetApplicationServerIconName() {
assertNotNull("getApplicationServerIconName",
HtmlJavaInformationsReport.getApplicationServerIconName("Tomcat"));
assertNull("getApplicationServerIconName",
HtmlJavaInformationsReport.getApplicationServerIconName("unknown"));
}
/** Test. */
@Test
public void testGetOSIconName() {
assertNotNull("getOSIconName", HtmlJavaInformationsReport.getOSIconName("Linux"));
assertNull("getOSIconName", HtmlJavaInformationsReport.getOSIconName("unknown"));
}
/** Test.
* @throws IOException e
* @throws JMException e */
@Test
public void testTomcatInformations() throws IOException, JMException {
final MBeanServer mBeanServer = MBeans.getPlatformMBeanServer();
final List<ObjectName> mBeans = new ArrayList<ObjectName>();
try {
mBeans.add(mBeanServer
.registerMBean(new ThreadPool(),
new ObjectName("Catalina:type=ThreadPool,name=jk-8009"))
.getObjectName());
mBeans.add(
mBeanServer
.registerMBean(new GlobalRequestProcessor(),
new ObjectName(
"Catalina:type=GlobalRequestProcessor,name=jk-8009"))
.getObjectName());
TomcatInformations.initMBeans();
final List<JavaInformations> myJavaInformationsList = Arrays
.asList(new JavaInformations(null, true));
final HtmlJavaInformationsReport htmlReport = new HtmlJavaInformationsReport(
myJavaInformationsList, writer);
htmlReport.toHtml();
assertNotEmptyAndClear(writer);
mBeans.add(mBeanServer
.registerMBean(new ThreadPool(),
new ObjectName("Catalina:type=ThreadPool,name=jk-8010"))
.getObjectName());
final GlobalRequestProcessor jk8010 = new GlobalRequestProcessor();
jk8010.setrequestCount(0);
mBeans.add(
mBeanServer
.registerMBean(jk8010,
new ObjectName(
"Catalina:type=GlobalRequestProcessor,name=jk-8010"))
.getObjectName());
TomcatInformations.initMBeans();
final List<JavaInformations> myJavaInformationsList2 = Arrays
.asList(new JavaInformations(null, true));
final HtmlJavaInformationsReport htmlReport2 = new HtmlJavaInformationsReport(
myJavaInformationsList2, writer);
htmlReport2.toHtml();
assertNotEmptyAndClear(writer);
jk8010.setrequestCount(1000);
final List<JavaInformations> myJavaInformationsList3 = Arrays
.asList(new JavaInformations(null, true));
final HtmlJavaInformationsReport htmlReport3 = new HtmlJavaInformationsReport(
myJavaInformationsList3, writer);
htmlReport3.toHtml();
assertNotEmptyAndClear(writer);
} finally {
for (final ObjectName registeredMBean : mBeans) {
mBeanServer.unregisterMBean(registeredMBean);
}
TomcatInformations.initMBeans();
}
}
/** Test. */
@Test
public void testToBar() {
assertNotNull("toBar", HtmlJavaInformationsReport.toBar(0));
assertNotNull("toBar", HtmlJavaInformationsReport.toBar(1));
assertNotNull("toBar", HtmlJavaInformationsReport.toBar(10));
assertNotNull("toBar", HtmlJavaInformationsReport.toBar(15));
assertNotNull("toBarWithAlert", HtmlJavaInformationsReport.toBarWithAlert(10, "detail"));
assertNotNull("toBarWithAlert", HtmlJavaInformationsReport.toBarWithAlert(100, "detail"));
assertNotNull("toBarWithAlert", HtmlJavaInformationsReport.toBarWithAlert(100, null));
}
private static void assertNotEmptyAndClear(final StringWriter writer) {
assertTrue("rapport vide", writer.getBuffer().length() > 0);
writer.getBuffer().setLength(0);
}
}