| /* |
| * 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.geode.metrics.internal; |
| |
| import static java.util.stream.Collectors.toList; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.stream.Stream; |
| |
| import io.micrometer.core.instrument.Gauge; |
| import io.micrometer.core.instrument.MeterRegistry; |
| import io.micrometer.core.instrument.simple.SimpleMeterRegistry; |
| import org.junit.Test; |
| |
| public class StandardMeterBinderTest { |
| @Test |
| public void bindsJvmMemoryMeters() { |
| MeterRegistry registry = new SimpleMeterRegistry(); |
| |
| new StandardMeterBinder().bindTo(registry); |
| |
| assertThat(registry.find("jvm.buffer.count").gauge()).isNotNull(); |
| assertThat(registry.find("jvm.buffer.memory.used").gauge()).isNotNull(); |
| assertThat(registry.find("jvm.buffer.total.capacity").gauge()).isNotNull(); |
| assertThat(registry.find("jvm.memory.used").gauge()).isNotNull(); |
| assertThat(registry.find("jvm.memory.committed").gauge()).isNotNull(); |
| assertThat(registry.find("jvm.memory.max").gauge()).isNotNull(); |
| } |
| |
| @Test |
| public void bindsJvmThreadMeters() { |
| MeterRegistry registry = new SimpleMeterRegistry(); |
| |
| new StandardMeterBinder().bindTo(registry); |
| |
| assertThat(registry.find("jvm.threads.peak").gauge()).isNotNull(); |
| assertThat(registry.find("jvm.threads.daemon").gauge()).isNotNull(); |
| assertThat(registry.find("jvm.threads.live").gauge()).isNotNull(); |
| |
| Collection<Gauge> meters = registry.find("jvm.threads.states").gauges(); |
| |
| List<String> threadStateTagValues = meters.stream() |
| .map(meter -> meter.getId().getTag("state")) |
| .filter(Objects::nonNull) |
| .collect(toList()); |
| |
| assertThat(threadStateTagValues) |
| .hasSameElementsAs(tagValuesForAllThreadStates()); |
| } |
| |
| @Test |
| public void bindsProcessUptimeMeters() { |
| MeterRegistry registry = new SimpleMeterRegistry(); |
| |
| new StandardMeterBinder().bindTo(registry); |
| |
| assertThat(registry.find("process.uptime").timeGauge()).isNotNull(); |
| assertThat(registry.find("process.start.time").timeGauge()).isNotNull(); |
| } |
| |
| @Test |
| public void bindsSystemCpuMeters() { |
| MeterRegistry registry = new SimpleMeterRegistry(); |
| |
| new StandardMeterBinder().bindTo(registry); |
| |
| assertThat(registry.find("system.cpu.count").gauge()).isNotNull(); |
| } |
| |
| private static List<String> tagValuesForAllThreadStates() { |
| return Stream.of(Thread.State.values()) |
| .map(Thread.State::name) |
| .map(String::toLowerCase) |
| .map(stateName -> stateName.replace("_", "-")) |
| .collect(toList()); |
| } |
| } |