/*
* 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.impl;
import com.hazelcast.internal.metrics.Probe;
import com.hazelcast.internal.metrics.ProbeLevel;
import com.hazelcast.internal.metrics.impl.MethodProbe.LongMethodProbe;
import com.hazelcast.internal.util.counters.Counter;
import com.hazelcast.logging.ILogger;
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.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import static com.hazelcast.internal.metrics.impl.MethodProbe.createMethodProbe;
import static com.hazelcast.internal.util.counters.SwCounter.newSwCounter;
import static com.hazelcast.util.CollectionUtil.getItemAtPositionOrNull;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MethodProbeTest extends HazelcastTestSupport {
@Test
public void getLong() throws Exception {
getLong("byteMethod", 10);
getLong("shortMethod", 10);
getLong("intMethod", 10);
getLong("longMethod", 10);
getLong("atomicLongMethod", 10);
getLong("atomicIntegerMethod", 10);
getLong("counterMethod", 10);
getLong("collectionMethod", 10);
getLong("mapMethod", 10);
getLong("ByteMethod", 10);
getLong("ShortMethod", 10);
getLong("IntegerMethod", 10);
getLong("LongMethod", 10);
getLong("SemaphoreMethod", 10);
getLong("nullAtomicLongMethod", 0);
getLong("nullAtomicIntegerMethod", 0);
getLong("nullCounterMethod", 0);
getLong("nullCollectionMethod", 0);
getLong("nullMapMethod", 0);
getLong("nullByteMethod", 0);
getLong("nullShortMethod", 0);
getLong("nullIntegerMethod", 0);
getLong("nullLongMethod", 0);
getLong("nullSemaphoreMethod", 0);
}
@Test
public void testGeneratedMethodProbeName_removeGetPrefix() throws NoSuchMethodException {
SomeSource source = new SomeSource();
Method method = source.getClass().getDeclaredMethod("getSomeIntegerMethod");
Probe probe = method.getAnnotation(Probe.class);
MethodProbe methodProbe = createMethodProbe(method, probe);
MetricsRegistryImpl metricsRegistry = new MetricsRegistryImpl(mock(ILogger.class), ProbeLevel.DEBUG);
methodProbe.register(metricsRegistry, source, "prefix");
Set<String> names = metricsRegistry.getNames();
assertEquals(1, names.size());
String probeName = getItemAtPositionOrNull(names, 0);
assertEquals("prefix.someIntegerMethod", probeName);
}
public void getLong(String methodName, int expectedValue) throws Exception {
SomeSource source = new SomeSource();
Method method = source.getClass().getDeclaredMethod(methodName);
Probe probe = method.getAnnotation(Probe.class);
MethodProbe methodProbe = createMethodProbe(method, probe);
LongMethodProbe longMethodProbe = assertInstanceOf(LongMethodProbe.class, methodProbe);
long value = longMethodProbe.get(source);
assertEquals(expectedValue, value);
}
@Test
public void getDouble() throws Exception {
getDouble("floatMethod", 10);
getDouble("doubleMethod", 10);
getDouble("DoubleMethod", 10);
getDouble("FloatMethod", 10);
getDouble("nullDoubleMethod", 0);
getDouble("nullFloatMethod", 0);
}
public void getDouble(String fieldName, double expected) throws Exception {
SomeSource source = new SomeSource();
Method method = source.getClass().getDeclaredMethod(fieldName);
Probe probe = method.getAnnotation(Probe.class);
MethodProbe methodProbe = createMethodProbe(method, probe);
MethodProbe.DoubleMethodProbe doubleMethodProbe = assertInstanceOf(MethodProbe.DoubleMethodProbe.class, methodProbe);
double value = doubleMethodProbe.get(source);
assertEquals(expected, value, 0.1);
}
private class SomeSource {
@Probe
private byte byteMethod() {
return 10;
}
@Probe
private short shortMethod() {
return 10;
}
@Probe
private int intMethod() {
return 10;
}
@Probe
private long longMethod() {
return 10;
}
@Probe
private float floatMethod() {
return 10;
}
@Probe
private double doubleMethod() {
return 10;
}
@Probe
private AtomicLong atomicLongMethod() {
return new AtomicLong(10);
}
@Probe
private AtomicLong nullAtomicLongMethod() {
return null;
}
@Probe
private AtomicInteger atomicIntegerMethod() {
return new AtomicInteger(10);
}
@Probe
private AtomicInteger nullAtomicIntegerMethod() {
return null;
}
@Probe
private Counter counterMethod() {
return newSwCounter(10);
}
@Probe
private Counter nullCounterMethod() {
return null;
}
@Probe
private Collection collectionMethod() {
return Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
}
@Probe
private Collection nullCollectionMethod() {
return null;
}
@Probe
private Map mapMethod() {
return MetricsUtils.createMap(10);
}
@Probe
private Map nullMapMethod() {
return null;
}
@Probe
private Byte ByteMethod() {
return (byte) 10;
}
@Probe
private Short ShortMethod() {
return (short) 10;
}
@Probe
private Integer IntegerMethod() {
return 10;
}
@Probe
private Long LongMethod() {
return (long) 10;
}
@Probe
private Float FloatMethod() {
return (float) 10;
}
@Probe
private Double DoubleMethod() {
return (double) 10;
}
@Probe
private Semaphore SemaphoreMethod() {
return new Semaphore(10);
}
@Probe
private Byte nullByteMethod() {
return null;
}
@Probe
private Short nullShortMethod() {
return null;
}
@Probe
private Integer nullIntegerMethod() {
return null;
}
@Probe
private Long nullLongMethod() {
return null;
}
@Probe
private Float nullFloatMethod() {
return null;
}
@Probe
private Double nullDoubleMethod() {
return null;
}
@Probe
private Semaphore nullSemaphoreMethod() {
return null;
}
@Probe
private Integer getSomeIntegerMethod() {
return null;
}
}
}