package com.hazelcast.queue;
import com.hazelcast.config.Config;
import com.hazelcast.core.DistributedObjectEvent;
import com.hazelcast.core.DistributedObjectListener;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IQueue;
import com.hazelcast.spi.exception.DistributedObjectDestroyedException;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class QueueEvictionTest extends AbstractQueueTest{
//what are you testing? The intent is not clear
@Test
public void testQueueEviction() throws Exception {
final Config config = new Config();
config.getQueueConfig("q").setEmptyQueueTtl(2);
final HazelcastInstance hz = createHazelcastInstance(config);
final IQueue<Object> q = hz.getQueue("q");
try {
assertTrue(q.offer("item"));
assertEquals("item", q.poll());
q.take();
fail();
} catch (DistributedObjectDestroyedException expected) {
}
q.size();
}
// TODO: Can you come up with a better name. A name with a number is not very informative.
@Test
public void testQueueEviction2() throws Exception {
final Config config = new Config();
config.getQueueConfig("q2").setEmptyQueueTtl(0);
final HazelcastInstance hz = createHazelcastInstance(config);
final CountDownLatch latch = new CountDownLatch(2);
hz.addDistributedObjectListener(new DistributedObjectListener() {
public void distributedObjectCreated(DistributedObjectEvent event) {
latch.countDown();
}
public void distributedObjectDestroyed(DistributedObjectEvent event) {
latch.countDown();
}
});
final IQueue<Object> q = hz.getQueue("q2");
q.offer("item");
q.poll();
assertTrue(latch.await(10, TimeUnit.SECONDS));
}
}