/*
* 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.metrics.metricsets;
import com.hazelcast.internal.metrics.LongGauge;
import com.hazelcast.internal.metrics.impl.MetricsRegistryImpl;
import com.hazelcast.logging.Logger;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static com.hazelcast.internal.metrics.ProbeLevel.INFO;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastSerialClassRunner.class)
@Category(QuickTest.class)
public class GarbageCollectionMetricSetTest extends HazelcastTestSupport {
private MetricsRegistryImpl metricsRegistry;
private GarbageCollectionMetricSet.GcStats gcStats;
@Before
public void setup() {
metricsRegistry = new MetricsRegistryImpl(Logger.getLogger(MetricsRegistryImpl.class), INFO);
GarbageCollectionMetricSet.register(metricsRegistry);
gcStats = new GarbageCollectionMetricSet.GcStats();
}
@Test
public void utilityConstructor() {
assertUtilityConstructor(GarbageCollectionMetricSet.class);
}
@Test
public void minorCount() {
final LongGauge gauge = metricsRegistry.newLongGauge("gc.minorCount");
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
gcStats.run();
assertEquals(gcStats.minorCount, gauge.read(), 1);
}
});
}
@Test
public void minorTime() throws InterruptedException {
final LongGauge gauge = metricsRegistry.newLongGauge("gc.minorTime");
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
gcStats.run();
assertEquals(gcStats.minorTime, gauge.read(), SECONDS.toMillis(1));
}
});
}
@Test
public void majorCount() {
final LongGauge gauge = metricsRegistry.newLongGauge("gc.majorCount");
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
gcStats.run();
assertEquals(gcStats.majorCount, gauge.read(), 1);
}
});
}
@Test
public void majorTime() {
final LongGauge gauge = metricsRegistry.newLongGauge("gc.majorTime");
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
gcStats.run();
assertEquals(gcStats.majorTime, gauge.read(), SECONDS.toMillis(1));
}
});
}
@Test
public void unknownCount() {
final LongGauge gauge = metricsRegistry.newLongGauge("gc.unknownCount");
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
gcStats.run();
assertEquals(gcStats.unknownCount, gauge.read(), 1);
}
});
}
@Test
public void unknownTime() {
final LongGauge gauge = metricsRegistry.newLongGauge("gc.unknownTime");
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
gcStats.run();
assertEquals(gcStats.unknownTime, gauge.read(), SECONDS.toMillis(1));
}
});
}
}