| // Copyright (C) 2022 The Android Open Source Project |
| // |
| // Licensed 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 com.googlesource.gerrit.plugins.gitrepometrics; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.codahale.metrics.MetricRegistry; |
| import com.google.gerrit.extensions.registration.DynamicSet; |
| import com.googlesource.gerrit.plugins.gitrepometrics.collectors.GitRepoMetric; |
| import com.googlesource.gerrit.plugins.gitrepometrics.collectors.MetricsCollector; |
| import java.io.IOException; |
| import java.time.Clock; |
| import java.time.Instant; |
| import java.time.temporal.ChronoUnit; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class GitRepoMetricsCacheTest { |
| GitRepoMetricsCache gitRepoMetricsCache; |
| GitRepoMetricsConfig gitRepoMetricsConfig; |
| FakeMetricMaker fakeMetricMaker; |
| MetricRegistry metricRegistry; |
| private ConfigSetupUtils configSetupUtils; |
| private final String enabledRepo = "enabledRepo"; |
| |
| private FakeMetricsCollector fakeStatsCollector; |
| private DynamicSet<MetricsCollector> ds; |
| |
| @Before |
| public void setupRepo() throws IOException { |
| configSetupUtils = new ConfigSetupUtils(Collections.singletonList(enabledRepo)); |
| metricRegistry = new MetricRegistry(); |
| fakeMetricMaker = new FakeMetricMaker(metricRegistry); |
| |
| fakeStatsCollector = new FakeMetricsCollector(); |
| ds = new DynamicSet<MetricsCollector>(); |
| ds.add("git-repo-metrics", fakeStatsCollector); |
| } |
| |
| @Test |
| public void shouldRegisterMetrics() { |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache(ds, fakeMetricMaker, new MetricRegistry(), gitRepoMetricsConfig); |
| |
| gitRepoMetricsCache.setMetrics(getCollectedMetrics(), "anyRepo"); |
| |
| assertThat(fakeMetricMaker.callsCounter).isEqualTo(1); |
| } |
| |
| @Test |
| public void shouldRegisterMetricsOnlyOnce() { |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache(ds, fakeMetricMaker, metricRegistry, gitRepoMetricsConfig); |
| |
| gitRepoMetricsCache.setMetrics(getCollectedMetrics(), "anyRepo"); |
| |
| assertThat(fakeMetricMaker.callsCounter).isEqualTo(1); |
| |
| gitRepoMetricsCache.setMetrics(getCollectedMetrics(), "anyRepo"); |
| |
| assertThat(fakeMetricMaker.callsCounter).isEqualTo(1); |
| } |
| |
| @Test |
| public void shouldCollectStatsForEnabledRepo() { |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache(ds, fakeMetricMaker, new MetricRegistry(), gitRepoMetricsConfig); |
| |
| assertThat(gitRepoMetricsCache.shouldCollectStats(enabledRepo)).isTrue(); |
| } |
| |
| @Test |
| public void shouldNotCollectStatsForDisabledRepo() { |
| String disabledRepo = "disabledRepo"; |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache(ds, fakeMetricMaker, new MetricRegistry(), gitRepoMetricsConfig); |
| |
| assertThat(gitRepoMetricsCache.shouldCollectStats(disabledRepo)).isFalse(); |
| } |
| |
| @Test |
| public void shouldCollectStatsWhenGracePeriodNotSet() throws IOException { |
| ConfigSetupUtils configSetupUtils = |
| new ConfigSetupUtils(Collections.singletonList(enabledRepo)); |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache(ds, fakeMetricMaker, new MetricRegistry(), gitRepoMetricsConfig); |
| |
| gitRepoMetricsCache.setMetrics(getCollectedMetrics(), enabledRepo); |
| |
| assertThat(gitRepoMetricsCache.shouldCollectStats(enabledRepo)).isTrue(); |
| } |
| |
| @Test |
| public void shouldSkipCollectionWhenGracePeriodIsNotExpired() throws IOException { |
| ConfigSetupUtils configSetupUtils = |
| new ConfigSetupUtils(Collections.singletonList(enabledRepo), "5 m"); |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache(ds, fakeMetricMaker, new MetricRegistry(), gitRepoMetricsConfig); |
| |
| gitRepoMetricsCache.setMetrics(getCollectedMetrics(), enabledRepo); |
| |
| assertThat(gitRepoMetricsCache.shouldCollectStats(enabledRepo)).isFalse(); |
| } |
| |
| @Test |
| public void shouldCollectStatsWhenGracePeriodIsExpired() throws IOException { |
| ConfigSetupUtils configSetupUtils = |
| new ConfigSetupUtils(Collections.singletonList(enabledRepo), "1 s"); |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache( |
| ds, |
| fakeMetricMaker, |
| metricRegistry, |
| gitRepoMetricsConfig, |
| Clock.fixed( |
| Instant.now().minus(2, ChronoUnit.SECONDS), Clock.systemDefaultZone().getZone())); |
| |
| gitRepoMetricsCache.setMetrics(getCollectedMetrics(), enabledRepo); |
| |
| assertThat(gitRepoMetricsCache.shouldCollectStats(enabledRepo)).isTrue(); |
| } |
| |
| @Test |
| public void shouldSetCollectionTime() throws IOException { |
| ConfigSetupUtils configSetupUtils = |
| new ConfigSetupUtils(Collections.singletonList(enabledRepo)); |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = |
| new GitRepoMetricsCache(ds, fakeMetricMaker, metricRegistry, gitRepoMetricsConfig); |
| |
| long currentTimeStamp = System.currentTimeMillis(); |
| |
| gitRepoMetricsCache.setMetrics(getCollectedMetrics(), enabledRepo); |
| |
| assertThat(gitRepoMetricsCache.getCollectedAt().get(enabledRepo)).isAtLeast(currentTimeStamp); |
| } |
| |
| private HashMap<GitRepoMetric, Long> getCollectedMetrics() { |
| return new HashMap<GitRepoMetric, Long>() { |
| { |
| put(new GitRepoMetric("anyMetrics", "anyMetric description", "Count"), 1L); |
| } |
| }; |
| } |
| } |