| /* |
| * 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.kafka.common.utils; |
| |
| import org.apache.kafka.common.metrics.Metrics; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import javax.management.JMException; |
| import javax.management.MBeanServer; |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectName; |
| |
| import java.lang.management.ManagementFactory; |
| |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| public class AppInfoParserTest { |
| private static final String EXPECTED_COMMIT_VERSION = AppInfoParser.DEFAULT_VALUE; |
| private static final String EXPECTED_VERSION = AppInfoParser.DEFAULT_VALUE; |
| private static final Long EXPECTED_START_MS = 1552313875722L; |
| private static final String METRICS_PREFIX = "app-info-test"; |
| private static final String METRICS_ID = "test"; |
| |
| private Metrics metrics; |
| private MBeanServer mBeanServer; |
| |
| @Before |
| public void setUp() { |
| metrics = new Metrics(new MockTime(1)); |
| mBeanServer = ManagementFactory.getPlatformMBeanServer(); |
| } |
| |
| @After |
| public void tearDown() { |
| metrics.close(); |
| } |
| |
| @Test |
| public void testRegisterAppInfoRegistersMetrics() throws JMException { |
| registerAppInfo(); |
| } |
| |
| @Test |
| public void testUnregisterAppInfoUnregistersMetrics() throws JMException { |
| registerAppInfo(); |
| AppInfoParser.unregisterAppInfo(METRICS_PREFIX, METRICS_ID, metrics); |
| |
| assertFalse(mBeanServer.isRegistered(expectedAppObjectName())); |
| assertNull(metrics.metric(metrics.metricName("commit-id", "app-info"))); |
| assertNull(metrics.metric(metrics.metricName("version", "app-info"))); |
| assertNull(metrics.metric(metrics.metricName("start-time-ms", "app-info"))); |
| } |
| |
| private void registerAppInfo() throws JMException { |
| assertEquals(EXPECTED_COMMIT_VERSION, AppInfoParser.getCommitId()); |
| assertEquals(EXPECTED_VERSION, AppInfoParser.getVersion()); |
| |
| AppInfoParser.registerAppInfo(METRICS_PREFIX, METRICS_ID, metrics, EXPECTED_START_MS); |
| |
| assertTrue(mBeanServer.isRegistered(expectedAppObjectName())); |
| assertEquals(EXPECTED_COMMIT_VERSION, metrics.metric(metrics.metricName("commit-id", "app-info")).metricValue()); |
| assertEquals(EXPECTED_VERSION, metrics.metric(metrics.metricName("version", "app-info")).metricValue()); |
| assertEquals(EXPECTED_START_MS, metrics.metric(metrics.metricName("start-time-ms", "app-info")).metricValue()); |
| } |
| |
| private ObjectName expectedAppObjectName() throws MalformedObjectNameException { |
| return new ObjectName(METRICS_PREFIX + ":type=app-info,id=" + METRICS_ID); |
| } |
| } |