/**
* 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 com.alibaba.jstorm.common.metric;
import com.alibaba.jstorm.metric.AsmWindow;
import com.alibaba.jstorm.metric.JStormMetrics;
import com.alibaba.jstorm.metric.MetaType;
import com.alibaba.jstorm.metric.MetricType;
import com.alibaba.jstorm.metric.MetricUtils;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import java.util.Random;
import static org.junit.Assert.*;
/**
* @author wuchong
*/
public class AsmMetricTest {
@Test
public void testFlush() throws Exception {
AsmCounter counter = new AsmCounter();
counter.setMetricName("mock@metric@name");
Random random = new Random();
for (int i = 0; i < 100; i++) {
int c = random.nextInt(10);
counter.update(c);
}
counter.flush();
assertEquals(4, counter.getSnapshots().size());
}
@Test
public void testSample() {
AsmMeter meter = new AsmMeter();
int t = 0, f = 0;
for (int i = 0; i < 100; i++) {
if (meter.sample()) {
t++;
} else {
f++;
}
}
System.out.println(t + "," + f);
}
@Test
public void testGetValue() {
AsmCounter counter = new AsmCounter();
for (int i = 0; i < 100; i++) {
counter.inc();
}
long v = (Long) counter.getValue(AsmWindow.M1_WINDOW);
Assert.assertEquals(100, v);
}
@Test
public void testSearchMetrics() {
String topologyId = "testTopology";
String comp = "comp";
String metricName = "testMetric";
JStormMetrics.registerTaskMetric(MetricUtils.taskMetricName(topologyId, comp, 1, metricName, MetricType
.COUNTER), new AsmCounter());
JStormMetrics.registerTaskMetric(MetricUtils.taskMetricName(topologyId, comp, 2, metricName, MetricType
.COUNTER), new AsmCounter());
List<AsmMetric> taskMetrics = JStormMetrics.search(metricName, MetaType.TASK, MetricType.COUNTER);
Assert.assertEquals(2, taskMetrics.size());
List<AsmMetric> compMetrics = JStormMetrics.search(metricName, MetaType.COMPONENT, MetricType.COUNTER);
Assert.assertEquals(1, compMetrics.size());
}
}