/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2006-2011 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.netmgt.scheduler;
import junit.framework.TestCase;
import org.opennms.core.test.MockLogAppender;
import org.opennms.netmgt.poller.mock.MockInterval;
import org.opennms.netmgt.poller.mock.MockScheduler;
/**
* Represents a ScheduleTest
*
* @author brozow
*/
public class ScheduleTest extends TestCase {
private MockSchedulable m_schedulable;
private MockInterval m_interval;
private MockScheduler m_scheduler;
private Schedule m_sched;
public static void main(String[] args) {
junit.textui.TestRunner.run(ScheduleTest.class);
}
class MockSchedulable implements ReadyRunnable {
private volatile int runCount = 0;
private volatile boolean m_callingAdjustSchedule;
public boolean isReady() {
return true;
}
public void run() {
runCount++;
if (isCallingAdjustSchedule())
m_sched.adjustSchedule();
}
public int getRunCount() {
return runCount;
}
public void setCallingAdjustSchedule(boolean callingAdjustSchedule) {
m_callingAdjustSchedule = callingAdjustSchedule;
}
public boolean isCallingAdjustSchedule() {
return m_callingAdjustSchedule;
}
}
/*
* @see TestCase#setUp()
*/
protected void setUp() throws Exception {
super.setUp();
MockLogAppender.setupLogging();
m_schedulable = new MockSchedulable();
m_scheduler = new MockScheduler();
m_interval = new MockInterval(m_scheduler, 1000L);
m_sched = new Schedule(m_schedulable, m_interval, m_scheduler);
}
/*
* @see TestCase#tearDown()
*/
protected void tearDown() throws Exception {
MockLogAppender.assertNoWarningsOrGreater();
super.tearDown();
}
public void testSchedule() {
m_sched.schedule();
assertRunAndScheduled(0, 0, 0, 1);
m_scheduler.next();
assertRunAndScheduled(0, 1000, 1, 1);
m_scheduler.next();
assertRunAndScheduled(1000, 1000, 2, 1);
}
public void testAdjustSchedule() {
m_sched.schedule();
assertRunAndScheduled(0, 0, 0, 1);
m_scheduler.next();
m_interval.setInterval(900);
m_sched.adjustSchedule();
assertRunAndScheduled(0, 900, 1, 2);
m_scheduler.next();
assertRunAndScheduled(900, 900, 2, 2);
// jump to the expired entry
m_scheduler.next();
// note that we don't increase the run count
assertRunAndScheduled(1000, 800, 2, 1);
m_scheduler.next();
assertRunAndScheduled(1800, 900, 3, 1);
m_scheduler.next();
assertRunAndScheduled(2700, 900, 4, 1);
m_interval.setInterval(1000);
m_sched.adjustSchedule();
// jump to the expired entry
m_scheduler.next();
assertRunAndScheduled(3600, 100, 4, 1);
m_scheduler.next();
assertRunAndScheduled(3700, 1000, 5, 1);
}
public void testUnschedule() {
m_sched.schedule();
assertRunAndScheduled(0, 0, 0, 1);
m_scheduler.next();
assertRunAndScheduled(0, 1000, 1, 1);
m_scheduler.next();
assertRunAndScheduled(1000, 1000, 2, 1);
m_sched.unschedule();
// jump to the expired entry
m_scheduler.next();
assertRunAndScheduled(2000, -1, 2, 0);
}
public void testTemporarilySuspend() {
m_interval.addSuspension(1500, 2500);
m_sched.schedule();
assertRunAndScheduled(0, 0, 0, 1);
m_scheduler.next();
assertRunAndScheduled(0, 1000, 1, 1);
m_scheduler.next();
assertRunAndScheduled(1000, 1000, 2, 1);
// this is the suspended entry
m_scheduler.next();
// assert that the entry has not run
assertRunAndScheduled(2000, 1000, 2, 1);
m_scheduler.next();
assertRunAndScheduled(3000, 1000, 3, 1);
}
public void testAdjustScheduleWithinRun() {
m_schedulable.setCallingAdjustSchedule(true);
m_sched.schedule();
assertRunAndScheduled(0, 0, 0, 1);
m_scheduler.next();
assertRunAndScheduled(0, 1000, 1, 1);
m_scheduler.next();
assertRunAndScheduled(1000, 1000, 2, 1);
}
private void assertRunAndScheduled(long currentTime, long interval, int count, int entryCount) {
assertEquals(count, m_schedulable.getRunCount());
assertEquals(currentTime, m_scheduler.getCurrentTime());
assertEquals(entryCount, m_scheduler.getEntryCount());
if (entryCount > 0)
assertNotNull(m_scheduler.getEntries().get(new Long(currentTime+interval)));
}
}