com.aionlightning.commons.services.CronServiceTest.java Source code

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/**
 * This file is part of aion-lightning <aion-lightning.org>.
 * 
 * aion-lightning 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.
 * 
 * aion-lightning 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 aion-lightning.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.aionlightning.commons.services;

import com.aionlightning.commons.services.cron.CurrentThreadRunnableRunner;
import org.apache.commons.lang.mutable.MutableBoolean;
import org.apache.commons.lang.mutable.MutableInt;
import org.quartz.JobDetail;
import org.quartz.Trigger;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import java.lang.reflect.Constructor;
import java.util.Collection;
import java.util.List;

/**
 * @author SoulKeeper
 */
@Test(singleThreaded = false)
public class CronServiceTest extends Assert {

    private CronService cronService;

    @BeforeClass
    public void init() throws Exception {
        Constructor<CronService> constructor = CronService.class.getDeclaredConstructor();
        constructor.setAccessible(true);
        cronService = constructor.newInstance();
        cronService.init(CurrentThreadRunnableRunner.class);
    }

    @Test
    public void testCronTriggerExecutionTime() throws Exception {

        MutableInt ref = new MutableInt();
        Runnable test = newIncrementingRunnable(ref);

        // should run on second # 0 and every 2 seconds
        // execute on 0, 2, 4...

        cronService.schedule(test, "0/2 * * * * ?");
        sleep(5);
        int count = ref.intValue();
        assertEquals(count, 3);
    }

    @Test
    public void testGetRunnables() {
        Runnable test = newRunnable();
        cronService.schedule(test, "* 5 * * * ?");
        Collection<Runnable> col = cronService.getRunnables().keySet();
        assertTrue(col.contains(test));
    }

    @Test
    public void testCancelRunnableUsingRunnableReference() throws Exception {
        final MutableInt val = new MutableInt();
        Runnable test = new Runnable() {
            @Override
            public void run() {
                val.increment();
                cronService.cancel(this);
            }
        };
        cronService.schedule(test, "0/2 * * * * ?");
        sleep(5);
        assertEquals(val.intValue(), 1);
    }

    @Test
    public void testCancelRunnableUsingJobDetails() throws Exception {
        final MutableInt val = new MutableInt();
        Runnable test = new Runnable() {
            @Override
            public void run() {
                val.increment();
                cronService.cancel(cronService.getRunnables().get(this));
            }
        };
        cronService.schedule(test, "0/2 * * * * ?");
        sleep(5);
        assertEquals(val.intValue(), 1);
    }

    @Test
    public void testCancelledRunableGC() throws Exception {
        final MutableBoolean collected = new MutableBoolean();
        Runnable r = new Runnable() {

            @Override
            public void run() {
                cronService.cancel(this);
            }

            public void finalize() throws Throwable {
                collected.setValue(true);
                super.finalize();
            }
        };

        cronService.schedule(r, "0/2 * * * * ?");
        r = null;
        sleep(5);
        for (int i = 0; i < 100; i++) {
            System.gc();
        }
        assertEquals(collected.booleanValue(), true);
    }

    @Test
    public void testGetJobTriggers() {
        Runnable r = newRunnable();
        cronService.schedule(r, "0 15 * * * ?");
        JobDetail jd = cronService.getRunnables().get(r);
        List<? extends Trigger> triggers = cronService.getJobTriggers(jd);
        assertEquals(triggers.size(), 1);
    }

    @AfterClass
    public void shutdown() {
        cronService.shutdown();
    }

    private static Runnable newRunnable() {
        return newIncrementingRunnable(null);
    }

    private static Runnable newIncrementingRunnable(final MutableInt ref) {
        return new Runnable() {
            @Override
            public void run() {
                if (ref != null) {
                    ref.increment();
                }
            }
        };
    }

    @Test(enabled = false)
    public static void sleep(int seconds) {
        try {
            Thread.sleep(seconds * 1000);
        } catch (InterruptedException e) {
            throw new RuntimeException("Sleep Interrupted", e);
        }
    }
}