| // 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.google.common.collect.ImmutableMap; |
| import com.google.gerrit.metrics.CallbackMetric0; |
| import com.google.gerrit.metrics.Description; |
| import com.google.gerrit.metrics.DisabledMetricMaker; |
| import com.googlesource.gerrit.plugins.gitrepometrics.collectors.GitStats; |
| import java.io.IOException; |
| import java.time.Clock; |
| import java.time.Instant; |
| import java.time.temporal.ChronoUnit; |
| import java.util.Collections; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class GitRepoMetricsCacheTest { |
| GitRepoMetricsCache gitRepoMetricsCache; |
| GitRepoMetricsConfig gitRepoMetricsConfig; |
| FakeMetricMaker fakeMetricMaker; |
| private ConfigSetupUtils configSetupUtils; |
| private final String enabledRepo = "enabledRepo"; |
| |
| @Before |
| public void setupRepo() throws IOException { |
| configSetupUtils = new ConfigSetupUtils(Collections.singletonList(enabledRepo)); |
| } |
| |
| @Test |
| public void shouldRegisterMetrics() throws IOException { |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| fakeMetricMaker = new FakeMetricMaker(); |
| gitRepoMetricsCache = new GitRepoMetricsCache(fakeMetricMaker, gitRepoMetricsConfig); |
| gitRepoMetricsCache.initCache(); |
| assertThat(fakeMetricMaker.callsCounter).isEqualTo(GitStats.availableMetrics().size()); |
| } |
| |
| @Test |
| public void shouldCollectStatsForEnabledRepo() throws IOException { |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = new GitRepoMetricsCache(new FakeMetricMaker(), gitRepoMetricsConfig); |
| |
| assertThat(gitRepoMetricsCache.shouldCollectStats(enabledRepo)).isTrue(); |
| } |
| |
| @Test |
| public void shouldNotCollectStatsForDisabledRepo() throws IOException { |
| String disabledRepo = "disabledRepo"; |
| gitRepoMetricsConfig = configSetupUtils.getGitRepoMetricsConfig(); |
| gitRepoMetricsCache = new GitRepoMetricsCache(new FakeMetricMaker(), 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(new FakeMetricMaker(), gitRepoMetricsConfig); |
| |
| gitRepoMetricsCache.setMetrics(ImmutableMap.of("anyMetric", 0L), 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(new FakeMetricMaker(), gitRepoMetricsConfig); |
| |
| gitRepoMetricsCache.setMetrics(ImmutableMap.of("anyMetric", 0L), 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( |
| new FakeMetricMaker(), |
| gitRepoMetricsConfig, |
| Clock.fixed( |
| Instant.now().minus(2, ChronoUnit.SECONDS), Clock.systemDefaultZone().getZone())); |
| |
| gitRepoMetricsCache.setMetrics(ImmutableMap.of("anyMetric", 0L), 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(new FakeMetricMaker(), gitRepoMetricsConfig); |
| |
| long currentTimeStamp = System.currentTimeMillis(); |
| |
| gitRepoMetricsCache.setMetrics(ImmutableMap.of("anyMetric", 0L), enabledRepo); |
| |
| assertThat(gitRepoMetricsCache.getCollectedAt().get(enabledRepo)).isAtLeast(currentTimeStamp); |
| } |
| |
| private class FakeMetricMaker extends DisabledMetricMaker { |
| Integer callsCounter; |
| |
| FakeMetricMaker() { |
| callsCounter = 0; |
| } |
| |
| @Override |
| public <V> CallbackMetric0<V> newCallbackMetric( |
| String name, Class<V> valueClass, Description desc) { |
| |
| callsCounter += 1; |
| return new CallbackMetric0<V>() { |
| |
| @Override |
| public void set(V value) {} |
| |
| @Override |
| public void remove() {} |
| }; |
| } |
| } |
| } |