/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.carbondata.lcm.locks;
import java.io.File;
import org.apache.carbondata.core.metadata.CarbonTableIdentifier;
import org.apache.carbondata.core.locks.LocalFileLock;
import org.apache.carbondata.core.locks.LockUsage;
import org.apache.carbondata.core.util.CarbonProperties;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
/**
* Test class to test the functionality of the local file locking.
*/
public class LocalFileLockTest {
/**
* @throws java.lang.Exception
*/
@Before public void setUp() throws Exception {
String rootPath = new File(this.getClass().getResource("/").getPath()
+ "../../..").getCanonicalPath();
String storeLocation = rootPath + "/target/store";
CarbonProperties.getInstance()
.addProperty("carbon.storelocation", storeLocation);
}
/**
* @throws java.lang.Exception
*/
@After public void tearDown() throws Exception {
}
@Test public void testingLocalFileLockingByAcquiring2Locks() {
CarbonTableIdentifier carbonTableIdentifier = new CarbonTableIdentifier("databaseName", "tableName", "tableId");
LocalFileLock localLock1 =
new LocalFileLock(carbonTableIdentifier,
LockUsage.METADATA_LOCK);
Assert.assertTrue(localLock1.lock());
LocalFileLock localLock2 =
new LocalFileLock(carbonTableIdentifier,
LockUsage.METADATA_LOCK);
Assert.assertTrue(!localLock2.lock());
Assert.assertTrue(localLock1.unlock());
Assert.assertTrue(localLock2.lock());
}
}