| /* |
| * 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.Collections.emptyList; |
| import static java.util.Collections.emptySet; |
| import static java.util.Collections.singleton; |
| import static java.util.stream.Collectors.toList; |
| import static java.util.stream.Collectors.toSet; |
| import static org.apache.geode.test.micrometer.MicrometerAssertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.same; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| import static org.mockito.Mockito.withSettings; |
| import static org.mockito.quality.Strictness.LENIENT; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.IntStream; |
| |
| import io.micrometer.core.instrument.Meter; |
| import io.micrometer.core.instrument.MeterRegistry; |
| import io.micrometer.core.instrument.composite.CompositeMeterRegistry; |
| import io.micrometer.core.instrument.simple.SimpleMeterRegistry; |
| import org.apache.logging.log4j.Logger; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.mockito.Answers; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mock; |
| import org.mockito.junit.MockitoJUnit; |
| import org.mockito.junit.MockitoRule; |
| |
| import org.apache.geode.distributed.internal.InternalDistributedSystem; |
| import org.apache.geode.internal.util.CollectingServiceLoader; |
| import org.apache.geode.metrics.MetricsPublishingService; |
| |
| public class InternalDistributedSystemMetricsServiceTest { |
| @Rule |
| public MockitoRule mockitoRule = MockitoJUnit.rule().strictness(LENIENT); |
| |
| @Mock(answer = Answers.RETURNS_DEEP_STUBS) |
| InternalDistributedSystem system; |
| |
| @Mock |
| private CloseableMeterBinder meterBinder; |
| |
| @Mock |
| private Logger logger; |
| |
| @Mock |
| private CollectingServiceLoader<MetricsPublishingService> publishingServiceLoader; |
| |
| @Mock |
| private MetricsService.Builder metricsServiceBuilder; |
| |
| private CompositeMeterRegistry metricsServiceMeterRegistry = new CompositeMeterRegistry(); |
| |
| private MetricsService metricsService; |
| |
| |
| @Before |
| public void configureDefaultSystem() { |
| when(system.getDistributedMember().getHost()).thenReturn("some-host-name"); |
| when(system.getName()).thenReturn("some-system-name"); |
| when(system.getConfig().getDistributedSystemId()).thenReturn(-998); |
| } |
| |
| @Test |
| public void remembersMetricsServiceMeterRegistry() { |
| CompositeMeterRegistry theMetricsServiceMeterRegistry = new CompositeMeterRegistry(); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, theMetricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true); |
| |
| assertThat(metricsService.getMeterRegistry()) |
| .isSameAs(theMetricsServiceMeterRegistry); |
| } |
| |
| @Test |
| public void remembersMetricsServiceBuilder() { |
| MetricsService.Builder theMetricsServiceBuilder = mock(MetricsService.Builder.class); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(theMetricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true); |
| |
| assertThat(metricsService.getRebuilder()) |
| .isSameAs(theMetricsServiceBuilder); |
| } |
| |
| @Test |
| public void throwsNullPointerException_ifSystemNameIsNull() { |
| when(system.getName()).thenReturn(null); |
| |
| assertThatThrownBy(() -> metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true)).isInstanceOf(NullPointerException.class); |
| } |
| |
| @Test |
| public void throwsIllegalArgumentException_ifMemberHostNameIsEmpty() { |
| when(system.getDistributedMember().getHost()).thenReturn(""); |
| |
| assertThatThrownBy( |
| () -> metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true)).isInstanceOf(IllegalArgumentException.class); |
| } |
| |
| @Test |
| public void throwsNullPointerException_ifMemberHostNameIsNull() { |
| when(system.getDistributedMember().getHost()).thenReturn(null); |
| |
| assertThatThrownBy(() -> metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true)).isInstanceOf(NullPointerException.class); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsMemberTagWithSystemName_ifSystemNameIsNotEmpty() { |
| String theSystemName = "non-empty-system-name"; |
| when(system.getName()).thenReturn(theSystemName); |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| false, false, true); |
| |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasTag("member", theSystemName); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsNoMemberTag_ifSystemNameIsEmpty() { |
| when(system.getName()).thenReturn(""); |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| false, false, true); |
| |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasNoTag("member"); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsHostTagWithMemberHostName_ifHostNameIsNotEmpty() { |
| String theHostName = "non-empty-host-name"; |
| when(system.getDistributedMember().getHost()) |
| .thenReturn(theHostName); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| false, false, true); |
| |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasTag("host", theHostName); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsClusterTagWithSystemId_ifIsNotClient() { |
| int theSystemId = 21; |
| when(system.getConfig().getDistributedSystemId()) |
| .thenReturn(theSystemId); |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| false, false, true); |
| |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasTag("cluster", String.valueOf(theSystemId)); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsNoClusterTag_ifIsClient() { |
| when(system.getConfig().getDistributedSystemId()) |
| .thenReturn(312); |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| true, false, true); |
| |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasNoTag("cluster"); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsLocatorMemberTypeTag_ifHasLocatorAndHasNoCacheServer() { |
| boolean hasCacheServer = false; |
| boolean hasLocator = true; |
| |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| true, hasLocator, hasCacheServer); |
| |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasTag("member.type", "locator"); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsServerMemberTypeTag_ifHasCacheServerAndHasNoLocator() { |
| boolean hasCacheServer = true; |
| boolean hasLocator = false; |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| true, hasLocator, hasCacheServer); |
| |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasTag("member.type", "server"); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsEmbeddedCacheMemberTypeTag_ifHasNoCacheServerAndHasNoLocator() { |
| boolean hasCacheServer = false; |
| boolean hasLocator = false; |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| true, hasLocator, hasCacheServer); |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasTag("member.type", "embedded-cache"); |
| } |
| |
| @Test |
| public void meterRegistry_registerMeter_addsServerLocatorMemberTypeTag_ifHasLocatorAndHasCacheServer() { |
| boolean hasLocator = true; |
| boolean hasCacheServer = true; |
| |
| MetricsService metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| true, hasLocator, hasCacheServer); |
| Meter meter = metricsService.getMeterRegistry() |
| .counter("my.meter"); |
| |
| assertThat(meter) |
| .hasTag("member.type", "server-locator"); |
| } |
| |
| @Test |
| public void start_addsPersistentMeterRegistriesToMetricsServiceMeterRegistry() { |
| Set<MeterRegistry> thePersistentMeterRegistries = setOf(3, MeterRegistry.class); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, thePersistentMeterRegistries, |
| meterBinder, system, false, false, true); |
| |
| metricsService.start(); |
| |
| assertThat(metricsServiceMeterRegistry.getRegistries()) |
| .hasSameElementsAs(thePersistentMeterRegistries); |
| } |
| |
| @Test |
| public void start_bindsMeterBinderToMetricsServiceMeterRegistry() { |
| CompositeMeterRegistry theMetricsServiceMeterRegistry = new CompositeMeterRegistry(); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, theMetricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true); |
| |
| metricsService.start(); |
| |
| verify(meterBinder).bindTo(same(theMetricsServiceMeterRegistry)); |
| } |
| |
| @Test |
| public void start_startsEachPublishingServiceLoadedByLoader() { |
| Collection<MetricsPublishingService> publishingServices = |
| setOf(4, MetricsPublishingService.class); |
| |
| @SuppressWarnings("unchecked") |
| CollectingServiceLoader<MetricsPublishingService> serviceLoader = |
| mock(CollectingServiceLoader.class); |
| |
| when(serviceLoader.loadServices(MetricsPublishingService.class)) |
| .thenReturn(publishingServices); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, serviceLoader, |
| metricsServiceMeterRegistry, emptyList(), meterBinder, system, false, false, true); |
| |
| metricsService.start(); |
| |
| publishingServices.forEach( |
| publishingService -> verify(publishingService, times(1)).start(same(metricsService))); |
| } |
| |
| @Test |
| public void start_logsError_ifMetricsPublishingServiceStartThrows() { |
| MetricsPublishingService throwingService = mock(MetricsPublishingService.class); |
| RuntimeException thrownDuringStart = |
| new RuntimeException("thrown by service.start() during test"); |
| doThrow(thrownDuringStart).when(throwingService).start(any()); |
| String serviceClassName = throwingService.getClass().getName(); |
| |
| @SuppressWarnings("unchecked") |
| CollectingServiceLoader<MetricsPublishingService> serviceLoader = |
| mock(CollectingServiceLoader.class); |
| |
| when(serviceLoader.loadServices(MetricsPublishingService.class)) |
| .thenReturn(singleton(throwingService)); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, serviceLoader, |
| metricsServiceMeterRegistry, emptyList(), meterBinder, system, false, false, true); |
| |
| metricsService.start(); |
| |
| ArgumentCaptor<String> actualMessage = ArgumentCaptor.forClass(String.class); |
| verify(logger).error(actualMessage.capture(), same(thrownDuringStart)); |
| assertThat(actualMessage.getValue()) |
| .as("Error log message") |
| .contains(serviceClassName); |
| } |
| |
| @Test |
| public void removeSubregistry_removesGivenRegistryFromMetricsServiceMeterRegistry() { |
| CompositeMeterRegistry theMetricsServiceMeterRegistry = new CompositeMeterRegistry(); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, theMetricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true); |
| |
| metricsService.start(); |
| |
| MeterRegistry PersistentMeterRegistry = new SimpleMeterRegistry(); |
| |
| metricsService.addSubregistry(PersistentMeterRegistry); |
| |
| metricsService.removeSubregistry(PersistentMeterRegistry); |
| |
| assertThat(theMetricsServiceMeterRegistry.getRegistries()) |
| .doesNotContain(PersistentMeterRegistry); |
| } |
| |
| @Test |
| public void registersCorrespondingMetersWithEachPersistentMeterRegistry() { |
| SimpleMeterRegistry persistentMeterRegistry1 = new SimpleMeterRegistry(); |
| SimpleMeterRegistry persistentMeterRegistry2 = new SimpleMeterRegistry(); |
| SimpleMeterRegistry persistentMeterRegistry3 = new SimpleMeterRegistry(); |
| Set<MeterRegistry> persistentMeterRegistries = new HashSet<>(); |
| |
| persistentMeterRegistries.add(persistentMeterRegistry1); |
| persistentMeterRegistries.add(persistentMeterRegistry2); |
| persistentMeterRegistries.add(persistentMeterRegistry3); |
| |
| StandardMeterBinder binderThatAddsManyMeters = new StandardMeterBinder(); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, persistentMeterRegistries, |
| binderThatAddsManyMeters, system, false, false, true); |
| |
| metricsService.start(); |
| |
| MeterRegistry metricsServiceMeterRegistry = metricsService.getMeterRegistry(); |
| |
| metricsServiceMeterRegistry.counter("my.new.meter"); |
| |
| List<Meter> expectedMeters = metricsServiceMeterRegistry.getMeters(); |
| |
| assertHasMeters("persistent registry 1", persistentMeterRegistry1, expectedMeters); |
| assertHasMeters("persistent registry 2", persistentMeterRegistry2, expectedMeters); |
| assertHasMeters("persistent registry 3", persistentMeterRegistry3, expectedMeters); |
| } |
| |
| @Test |
| public void registersCorrespondingMetersWithEachSessionMeterRegistry() { |
| |
| StandardMeterBinder binderThatAddsManyMeters = new StandardMeterBinder(); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptySet(), |
| binderThatAddsManyMeters, system, false, false, true); |
| |
| metricsService.start(); |
| |
| SimpleMeterRegistry sessionMeterRegistry1 = new SimpleMeterRegistry(); |
| SimpleMeterRegistry sessionMeterRegistry2 = new SimpleMeterRegistry(); |
| SimpleMeterRegistry sessionMeterRegistry3 = new SimpleMeterRegistry(); |
| |
| metricsService.addSubregistry(sessionMeterRegistry1); |
| metricsService.addSubregistry(sessionMeterRegistry2); |
| metricsService.addSubregistry(sessionMeterRegistry3); |
| |
| MeterRegistry metricsServiceMeterRegistry = metricsService.getMeterRegistry(); |
| |
| metricsServiceMeterRegistry.counter("my.new.meter"); |
| |
| List<Meter> expectedMeters = metricsServiceMeterRegistry.getMeters(); |
| |
| assertHasMeters("session registry 1", sessionMeterRegistry1, expectedMeters); |
| assertHasMeters("session registry 2", sessionMeterRegistry2, expectedMeters); |
| assertHasMeters("session registry 3", sessionMeterRegistry3, expectedMeters); |
| } |
| |
| @Test |
| public void stop_closesMeterBinder() throws Exception { |
| CloseableMeterBinder theMeterBinder = mock(CloseableMeterBinder.class); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), theMeterBinder, |
| system, false, false, true); |
| |
| metricsService.start(); |
| |
| metricsService.stop(); |
| |
| verify(theMeterBinder).close(); |
| } |
| |
| @Test |
| public void stop_stopsEachPublishingService() { |
| Collection<MetricsPublishingService> publishingServices = |
| setOf(4, MetricsPublishingService.class); |
| |
| @SuppressWarnings("unchecked") |
| CollectingServiceLoader<MetricsPublishingService> serviceLoader = |
| mock(CollectingServiceLoader.class); |
| |
| when(serviceLoader.loadServices(MetricsPublishingService.class)) |
| .thenReturn(publishingServices); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, serviceLoader, |
| metricsServiceMeterRegistry, emptyList(), meterBinder, system, false, false, true); |
| |
| metricsService.start(); |
| |
| metricsService.stop(); |
| |
| publishingServices |
| .forEach(publishingService -> verify(publishingService, times(1)).stop(metricsService)); |
| } |
| |
| @Test |
| public void stop_logsError_ifMetricsPublishingServiceStopThrows() { |
| MetricsPublishingService throwingService = mock(MetricsPublishingService.class); |
| |
| @SuppressWarnings("unchecked") |
| CollectingServiceLoader<MetricsPublishingService> serviceLoader = |
| mock(CollectingServiceLoader.class); |
| |
| when(serviceLoader.loadServices(MetricsPublishingService.class)) |
| .thenReturn(singleton(throwingService)); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, serviceLoader, |
| metricsServiceMeterRegistry, emptyList(), meterBinder, system, false, false, true); |
| |
| metricsService.start(); |
| |
| RuntimeException thrownDuringStop = |
| new RuntimeException("thrown by service.stop() during test"); |
| doThrow(thrownDuringStop).when(throwingService).stop(metricsService); |
| |
| metricsService.stop(); |
| |
| String serviceClassName = throwingService.getClass().getName(); |
| ArgumentCaptor<String> actualMessage = ArgumentCaptor.forClass(String.class); |
| verify(logger).error(actualMessage.capture(), same(thrownDuringStop)); |
| assertThat(actualMessage.getValue()) |
| .as("Error log message") |
| .contains(serviceClassName); |
| } |
| |
| @Test |
| public void stop_removesAllMeterRegistriesFromMetricsServiceMeterRegistry() { |
| CompositeMeterRegistry theMetricsServiceMeterRegistry = new CompositeMeterRegistry(); |
| |
| Set<MeterRegistry> persistentMeterRegistries = setOf(3, MeterRegistry.class); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, theMetricsServiceMeterRegistry, persistentMeterRegistries, |
| meterBinder, system, false, false, true); |
| |
| metricsService.start(); |
| |
| Set<MeterRegistry> sessionMeterRegistries = setOf(3, MeterRegistry.class); |
| sessionMeterRegistries.forEach(metricsService::addSubregistry); |
| |
| metricsService.stop(); |
| |
| assertThat(theMetricsServiceMeterRegistry.getRegistries()).isEmpty(); |
| } |
| |
| @Test |
| public void stop_doesNotClosePersistentMeterRegistries() { |
| Set<MeterRegistry> persistentMeterRegistries = setOf(3, MeterRegistry.class); |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, persistentMeterRegistries, |
| meterBinder, system, false, false, true); |
| |
| metricsService.start(); |
| |
| metricsService.stop(); |
| |
| persistentMeterRegistries |
| .forEach(persistentMeterRegistry -> verify(persistentMeterRegistry, never()).close()); |
| } |
| |
| @Test |
| public void stop_doesNotCloseSessionMeterRegistries() { |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, metricsServiceMeterRegistry, emptyList(), meterBinder, system, |
| false, false, true); |
| |
| metricsService.start(); |
| |
| Set<MeterRegistry> sessionMeterRegistries = setOf(3, MeterRegistry.class); |
| sessionMeterRegistries.forEach(metricsService::addSubregistry); |
| |
| metricsService.stop(); |
| |
| sessionMeterRegistries.forEach(registry -> verify(registry, never()).close()); |
| } |
| |
| @Test |
| public void stop_closesMetricsServiceMeterRegistry() { |
| CompositeMeterRegistry theMetricsServiceMeterRegistry = new CompositeMeterRegistry(); |
| |
| metricsService = |
| new InternalDistributedSystemMetricsService(metricsServiceBuilder, logger, |
| publishingServiceLoader, theMetricsServiceMeterRegistry, emptyList(), meterBinder, |
| system, false, false, true); |
| |
| metricsService.start(); |
| metricsService.stop(); |
| |
| assertThat(theMetricsServiceMeterRegistry.isClosed()) |
| .as("Metrics service meter registry is closed") |
| .isTrue(); |
| } |
| |
| @After |
| public void stopMetricsService() { |
| if (metricsService != null) { |
| metricsService.stop(); |
| } |
| } |
| |
| private static <T> Set<T> setOf(int count, Class<? extends T> type) { |
| return IntStream.range(0, count) |
| .mapToObj(i -> withSettings().name(type.getSimpleName() + i)) |
| .map(settings -> mock(type, settings)) |
| .collect(toSet()); |
| } |
| |
| private static void assertHasMeters(String registryName, MeterRegistry registry, |
| List<Meter> expectedMeters) { |
| List<Meter.Id> expectedMeterIds = expectedMeters.stream().map(Meter::getId).collect(toList()); |
| List<Meter.Id> actualMeterIds = |
| registry.getMeters().stream().map(Meter::getId).collect(toList()); |
| |
| assertThat(actualMeterIds) |
| .as("IDs of meters in " + registryName) |
| .containsAll(expectedMeterIds); |
| } |
| } |