| /* |
| * 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.internal.statistics; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.File; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.apache.geode.CancelCriterion; |
| import org.apache.geode.internal.NanoTimer; |
| import org.apache.geode.internal.logging.LogFile; |
| import org.apache.geode.internal.process.PidUnavailableException; |
| import org.apache.geode.internal.process.UncheckedPidUnavailableException; |
| |
| /** |
| * Unit tests for {@link HostStatSampler}. |
| */ |
| public class HostStatSamplerTest { |
| |
| private CancelCriterion cancelCriterion; |
| private StatSamplerStats statSamplerStats; |
| private NanoTimer timer; |
| private LogFile logFile; |
| private StatisticsManager statisticsManager; |
| |
| private HostStatSampler hostStatSampler; |
| |
| @Before |
| public void setUp() { |
| cancelCriterion = mock(CancelCriterion.class); |
| statSamplerStats = mock(StatSamplerStats.class); |
| timer = new NanoTimer(); |
| logFile = null; |
| statisticsManager = mock(StatisticsManager.class); |
| } |
| |
| @Test |
| public void getSpecialStatsId_returnsPidFromPidSupplier_ifValueIsGreaterThanZero() { |
| int thePid = 42; |
| when(statisticsManager.getPid()).thenReturn(thePid); |
| long anySystemId = 2; |
| hostStatSampler = new TestableHostStatSampler(cancelCriterion, statSamplerStats, timer, logFile, |
| statisticsManager, anySystemId); |
| |
| assertThat(hostStatSampler.getSpecialStatsId()).isEqualTo(thePid); |
| } |
| |
| @Test |
| public void getSpecialStatsId_returnsSystemId_ifValueFromPidSupplierIsZero() { |
| when(statisticsManager.getPid()).thenReturn(0); |
| long theSystemId = 21; |
| hostStatSampler = new TestableHostStatSampler(cancelCriterion, statSamplerStats, timer, logFile, |
| statisticsManager, theSystemId); |
| |
| assertThat(hostStatSampler.getSpecialStatsId()).isEqualTo(theSystemId); |
| } |
| |
| @Test |
| public void getSpecialStatsId_returnsSystemId_ifValueFromPidSupplierIsLessThanZero() { |
| when(statisticsManager.getPid()).thenReturn(-1); |
| long theSystemId = 21; |
| hostStatSampler = new TestableHostStatSampler(cancelCriterion, statSamplerStats, timer, logFile, |
| statisticsManager, theSystemId); |
| |
| assertThat(hostStatSampler.getSpecialStatsId()).isEqualTo(theSystemId); |
| } |
| |
| @Test |
| public void getSpecialStatsId_returnsSystemId_ifPidSupplierThrows() { |
| when(statisticsManager.getPid()).thenThrow( |
| new UncheckedPidUnavailableException(new PidUnavailableException("Pid not found"))); |
| long theSystemId = 21; |
| hostStatSampler = new TestableHostStatSampler(cancelCriterion, statSamplerStats, timer, logFile, |
| statisticsManager, theSystemId); |
| |
| assertThat(hostStatSampler.getSpecialStatsId()).isEqualTo(theSystemId); |
| } |
| |
| private static class TestableHostStatSampler extends HostStatSampler { |
| |
| private final StatisticsManager statisticsManager; |
| private final long systemId; |
| |
| TestableHostStatSampler(CancelCriterion stopper, StatSamplerStats samplerStats, NanoTimer timer, |
| LogFile logFile, StatisticsManager statisticsManager, long systemId) { |
| super(stopper, samplerStats, timer, logFile); |
| this.statisticsManager = statisticsManager; |
| this.systemId = systemId; |
| } |
| |
| @Override |
| protected void checkListeners() { |
| |
| } |
| |
| @Override |
| protected int getSampleRate() { |
| return 0; |
| } |
| |
| @Override |
| public boolean isSamplingEnabled() { |
| return false; |
| } |
| |
| @Override |
| protected StatisticsManager getStatisticsManager() { |
| return statisticsManager; |
| } |
| |
| @Override |
| public File getArchiveFileName() { |
| return null; |
| } |
| |
| @Override |
| public long getArchiveFileSizeLimit() { |
| return 0; |
| } |
| |
| @Override |
| public long getArchiveDiskSpaceLimit() { |
| return 0; |
| } |
| |
| @Override |
| public long getSystemId() { |
| return systemId; |
| } |
| |
| @Override |
| public String getProductDescription() { |
| return null; |
| } |
| } |
| } |