cloudstack/utils/test/com/cloud/utils/db/Merovingian2Test.java

79 lines
2.6 KiB
Java

/**
* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
*
* This software is licensed under the GNU General Public License v3 or later.
*
* It 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 any later version.
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.cloud.utils.db;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.log4j.Logger;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class Merovingian2Test extends TestCase {
static final Logger s_logger = Logger.getLogger(Merovingian2Test.class);
Merovingian2 _lockMaster = Merovingian2.createLockMaster(1234);
@Override @Before
protected void setUp() throws Exception {
_lockMaster.cleanupThisServer();
}
@Override @After
protected void tearDown() throws Exception {
_lockMaster.cleanupThisServer();
}
@Test
public void testLockAndRelease() {
s_logger.info("Testing first acquire");
boolean result = _lockMaster.acquire("first"+1234, 5);
Assert.assertTrue(result);
s_logger.info("Testing acquire of different lock");
result = _lockMaster.acquire("second"+1234, 5);
Assert.assertTrue(result);
s_logger.info("Testing reacquire of the same lock");
result = _lockMaster.acquire("first"+1234, 5);
Assert.assertTrue(result);
int count = _lockMaster.owns("first"+1234);
Assert.assertEquals(count, 2);
count = _lockMaster.owns("second"+1234);
Assert.assertEquals(count, 1);
s_logger.info("Testing release of the first lock");
result = _lockMaster.release("first"+1234);
Assert.assertTrue(result);
count = _lockMaster.owns("first"+1234);
Assert.assertEquals(count, 1);
s_logger.info("Testing release of the second lock");
result = _lockMaster.release("second"+1234);
Assert.assertTrue(result);
result = _lockMaster.release("first"+1234);
Assert.assertTrue(result);
}
}