/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.internal.util;
import com.hazelcast.nio.Address;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class LockGuardTest {
@Test
public void testNotLocked() {
LockGuard stateLock = LockGuard.NOT_LOCKED;
assertNull(stateLock.getLockOwner());
assertEquals(0L, stateLock.getLockExpiryTime());
}
@Test(expected = NullPointerException.class)
public void testAllowsLock_nullTransactionId() throws Exception {
LockGuard stateLock = LockGuard.NOT_LOCKED;
stateLock.allowsLock(null);
}
@Test(expected = NullPointerException.class)
public void testAllowsUnlock_nullTransactionId() throws Exception {
LockGuard stateLock = LockGuard.NOT_LOCKED;
stateLock.allowsUnlock(null);
}
@Test(expected = NullPointerException.class)
public void testConstructor_nullEndpoint() throws Exception {
new LockGuard(null, "txn", 1000);
}
@Test(expected = NullPointerException.class)
public void testConstructor_nullTransactionId() throws Exception {
Address endpoint = newAddress();
new LockGuard(endpoint, null, 1000);
}
@Test(expected = IllegalArgumentException.class)
public void testConstructor_nonPositiveLeaseTime() throws Exception {
Address endpoint = newAddress();
new LockGuard(endpoint, "txn", -1000);
}
@Test
public void testAllowsLock_success() throws Exception {
LockGuard stateLock = LockGuard.NOT_LOCKED;
assertTrue(stateLock.allowsLock("txn"));
}
@Test
public void testAllowsLock_fail() throws Exception {
Address endpoint = newAddress();
LockGuard stateLock = new LockGuard(endpoint, "txn", 1000);
assertFalse(stateLock.allowsLock("another-txn"));
}
@Test
public void testIsLocked() throws Exception {
LockGuard stateLock = LockGuard.NOT_LOCKED;
assertFalse(stateLock.isLocked());
Address endpoint = newAddress();
stateLock = new LockGuard(endpoint, "txn", 1000);
assertTrue(stateLock.isLocked());
}
@Test
public void testIsLeaseExpired() throws Exception {
LockGuard stateLock = LockGuard.NOT_LOCKED;
assertFalse(stateLock.isLeaseExpired());
Address endpoint = newAddress();
stateLock = new LockGuard(endpoint, "txn", TimeUnit.HOURS.toMillis(1));
assertFalse(stateLock.isLeaseExpired());
stateLock = new LockGuard(endpoint, "txn", 1);
final LockGuard finalStateLock = stateLock;
HazelcastTestSupport.assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertTrue(finalStateLock.isLeaseExpired());
}
});
}
private Address newAddress() throws UnknownHostException {
return new Address(InetAddress.getLocalHost(), 5000);
}
}