| /** |
| * 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.yarn.server.resourcemanager; |
| |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestClusterMetrics { |
| |
| private ClusterMetrics metrics; |
| /** |
| * Test aMLaunchDelay and aMRegisterDelay Metrics |
| */ |
| @Test |
| public void testAmMetrics() throws Exception { |
| assert(metrics != null); |
| Assert.assertTrue(!metrics.aMLaunchDelay.changed()); |
| Assert.assertTrue(!metrics.aMRegisterDelay.changed()); |
| metrics.addAMLaunchDelay(1); |
| metrics.addAMRegisterDelay(1); |
| Assert.assertTrue(metrics.aMLaunchDelay.changed()); |
| Assert.assertTrue(metrics.aMRegisterDelay.changed()); |
| } |
| |
| @Before |
| public void setup() { |
| DefaultMetricsSystem.initialize("ResourceManager"); |
| metrics = ClusterMetrics.getMetrics(); |
| } |
| |
| @After |
| public void tearDown() { |
| ClusterMetrics.destroy(); |
| |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| if (ms.getSource("ClusterMetrics") != null) { |
| DefaultMetricsSystem.shutdown(); |
| } |
| } |
| } |