Spring Framework example source code file (ResponseTimeMonitorTests.java)

This example Spring Framework source code file (ResponseTimeMonitorTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

date, date, responsetimemonitorimpl, responsetimemonitorimpl, responsetimemonitortests, responsetimemonitortests, testcase, testcase, util

The Spring Framework ResponseTimeMonitorTests.java source code

/*
 * Copyright 2002-2005 the original author or authors.
 * 
 * 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 org.springframework.util;

import java.util.Date;

import junit.framework.TestCase;

/**
 * @author Alef Arendsen
 */
public class ResponseTimeMonitorTests extends TestCase {

	public void testGetAccessCount() {
		ResponseTimeMonitorImpl impl = new ResponseTimeMonitorImpl();
		assertEquals(impl.getAverageResponseTimeMillis(), 0);

		impl.recordResponseTime(100);
		impl.recordResponseTime(100);
		impl.recordResponseTime(100);
		
		impl.recordResponseTime(300);
		impl.recordResponseTime(200);		
		
		assertEquals(impl.getAccessCount(), 5);
	}

	public void testGetUptime() {
		long begin = System.currentTimeMillis();
		ResponseTimeMonitorImpl impl = new ResponseTimeMonitorImpl();
		long upTime = impl.getUptimeMillis();
		// Well, we can probably assert on the a delta of 300 ms otherwise
		// the time is useless ;-)
		assertEquals(upTime, System.currentTimeMillis() - begin, 300);
	}

	public void testGetLoadDate() {
		Date now = new Date();
		ResponseTimeMonitorImpl impl = new ResponseTimeMonitorImpl();		
		Date d = impl.getLoadDate();
		assertEquals(now.getTime(), d.getTime(), 300);
	}

	public void testGetAverageResponseTimeMillis() {
		ResponseTimeMonitorImpl impl = new ResponseTimeMonitorImpl();
		assertEquals(impl.getAverageResponseTimeMillis(), 0);

		impl.recordResponseTime(100);
		impl.recordResponseTime(100);
		impl.recordResponseTime(100);		
		assertEquals(impl.getAverageResponseTimeMillis(), 100);
		
		impl.recordResponseTime(300);
		impl.recordResponseTime(200);		
		assertEquals(impl.getAverageResponseTimeMillis(), 160);
	}

	public void testGetBestResponseTimeMillis() {
		ResponseTimeMonitorImpl impl = new ResponseTimeMonitorImpl();
		assertEquals(impl.getAverageResponseTimeMillis(), 0);

		impl.recordResponseTime(100);
		impl.recordResponseTime(100);
		impl.recordResponseTime(100);		
		assertEquals(impl.getAverageResponseTimeMillis(), 100);

		impl.recordResponseTime(300);
		impl.recordResponseTime(200);		
		impl.recordResponseTime(60);
		impl.recordResponseTime(500);
		assertEquals(impl.getBestResponseTimeMillis(), 60);		
	}

	public void testGetWorstResponseTimeMillis() {
		ResponseTimeMonitorImpl impl = new ResponseTimeMonitorImpl();
		assertEquals(impl.getAverageResponseTimeMillis(), 0);

		impl.recordResponseTime(100);
		impl.recordResponseTime(100);
		impl.recordResponseTime(100);		
		assertEquals(impl.getAverageResponseTimeMillis(), 100);

		impl.recordResponseTime(300);
		impl.recordResponseTime(200);		
		impl.recordResponseTime(60);
		impl.recordResponseTime(500);
		assertEquals(impl.getWorstResponseTimeMillis(), 500);		
	}

}