| /** |
| * Copyright 2010 The Apache Software Foundation |
| * |
| * 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 org.apache.hadoop.hbase.metrics; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.management.MBeanAttributeInfo; |
| import javax.management.MBeanInfo; |
| |
| import org.apache.hadoop.metrics.MetricsContext; |
| import org.apache.hadoop.metrics.MetricsRecord; |
| import org.apache.hadoop.metrics.MetricsUtil; |
| import org.apache.hadoop.metrics.util.MetricsIntValue; |
| import org.apache.hadoop.metrics.util.MetricsRegistry; |
| import org.apache.hadoop.metrics.util.MetricsTimeVaryingRate; |
| |
| import junit.framework.TestCase; |
| |
| public class TestMetricsMBeanBase extends TestCase { |
| |
| private class TestStatistics extends MetricsMBeanBase { |
| public TestStatistics(MetricsRegistry registry) { |
| super(registry, "TestStatistics"); |
| } |
| } |
| |
| private MetricsRegistry registry; |
| private MetricsRecord metricsRecord; |
| private TestStatistics stats; |
| private MetricsRate metricsRate; |
| private MetricsIntValue intValue; |
| private MetricsTimeVaryingRate varyRate; |
| |
| public void setUp() { |
| this.registry = new MetricsRegistry(); |
| this.metricsRate = new MetricsRate("metricsRate", registry, "test"); |
| this.intValue = new MetricsIntValue("intValue", registry, "test"); |
| this.varyRate = new MetricsTimeVaryingRate("varyRate", registry, "test"); |
| this.stats = new TestStatistics(registry); |
| MetricsContext context = MetricsUtil.getContext("hbase"); |
| this.metricsRecord = MetricsUtil.createRecord(context, "test"); |
| this.metricsRecord.setTag("TestStatistics", "test"); |
| //context.registerUpdater(this); |
| |
| } |
| |
| public void tearDown() { |
| |
| } |
| |
| public void testGetAttribute() throws Exception { |
| this.metricsRate.inc(2); |
| this.metricsRate.pushMetric(this.metricsRecord); |
| this.intValue.set(5); |
| this.intValue.pushMetric(this.metricsRecord); |
| this.varyRate.inc(10); |
| this.varyRate.inc(50); |
| this.varyRate.pushMetric(this.metricsRecord); |
| |
| |
| assertEquals( 2.0, (Float)this.stats.getAttribute("metricsRate"), 0.001 ); |
| assertEquals( 5, this.stats.getAttribute("intValue") ); |
| assertEquals( 10L, this.stats.getAttribute("varyRateMinTime") ); |
| assertEquals( 50L, this.stats.getAttribute("varyRateMaxTime") ); |
| assertEquals( 30L, this.stats.getAttribute("varyRateAvgTime") ); |
| assertEquals( 2, this.stats.getAttribute("varyRateNumOps") ); |
| } |
| |
| public void testGetMBeanInfo() { |
| MBeanInfo info = this.stats.getMBeanInfo(); |
| MBeanAttributeInfo[] attributes = info.getAttributes(); |
| assertEquals( 6, attributes.length ); |
| |
| Map<String,MBeanAttributeInfo> attributeByName = |
| new HashMap<String,MBeanAttributeInfo>(attributes.length); |
| for (MBeanAttributeInfo attr : attributes) |
| attributeByName.put(attr.getName(), attr); |
| |
| assertAttribute( attributeByName.get("metricsRate"), |
| "metricsRate", "java.lang.Float", "test"); |
| assertAttribute( attributeByName.get("intValue"), |
| "intValue", "java.lang.Integer", "test"); |
| assertAttribute( attributeByName.get("varyRateMinTime"), |
| "varyRateMinTime", "java.lang.Long", "test"); |
| assertAttribute( attributeByName.get("varyRateMaxTime"), |
| "varyRateMaxTime", "java.lang.Long", "test"); |
| assertAttribute( attributeByName.get("varyRateAvgTime"), |
| "varyRateAvgTime", "java.lang.Long", "test"); |
| assertAttribute( attributeByName.get("varyRateNumOps"), |
| "varyRateNumOps", "java.lang.Integer", "test"); |
| } |
| |
| protected void assertAttribute(MBeanAttributeInfo attr, String name, |
| String type, String description) { |
| |
| assertEquals(attr.getName(), name); |
| assertEquals(attr.getType(), type); |
| assertEquals(attr.getDescription(), description); |
| } |
| |
| } |