justinrsweeney commented on code in PR #948: URL: https://github.com/apache/solr/pull/948#discussion_r930444571
########## solr/core/src/test/org/apache/solr/metrics/DelegateRegistryTimerTest.java: ########## @@ -0,0 +1,218 @@ +/* + * 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.solr.metrics; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +import com.codahale.metrics.Clock; +import com.codahale.metrics.MetricRegistry; +import com.codahale.metrics.Timer; +import java.time.Duration; +import java.util.concurrent.TimeUnit; +import org.junit.Assert; +import org.junit.Test; + +public class DelegateRegistryTimerTest { + + MetricRegistry.MetricSupplier<Timer> timerSupplier = + new MetricSuppliers.DefaultTimerSupplier(null); + + @Test + public void update() { + DelegateRegistryTimer delegateRegistryTimer = + new DelegateRegistryTimer( + Clock.defaultClock(), timerSupplier.newMetric(), timerSupplier.newMetric()); + delegateRegistryTimer.update(Duration.ofSeconds(10)); + assertEquals(1, delegateRegistryTimer.getPrimaryTimer().getCount()); + assertEquals( + 10000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 10000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMedian(), 0.0); + assertEquals(10000000000L, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMax()); + assertEquals(10000000000.0, delegateRegistryTimer.getSnapshot().getMean(), 0.0); + assertEquals(10000000000.0, delegateRegistryTimer.getSnapshot().getMedian(), 0.0); + assertEquals(10000000000L, delegateRegistryTimer.getSnapshot().getMax()); + assertEquals(1, delegateRegistryTimer.getDelegateTimer().getCount()); + assertEquals( + 10000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 10000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMedian(), 0.0); + assertEquals(10000000000L, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMax()); + + delegateRegistryTimer.update(Duration.ofSeconds(20)); + delegateRegistryTimer.update(Duration.ofSeconds(30)); + assertEquals(3, delegateRegistryTimer.getPrimaryTimer().getCount()); + assertEquals( + 20000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 20000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMedian(), 0.0); + assertEquals(30000000000L, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMax()); + assertEquals(20000000000.0, delegateRegistryTimer.getSnapshot().getMean(), 0.0); + assertEquals(20000000000.0, delegateRegistryTimer.getSnapshot().getMedian(), 0.0); + assertEquals(30000000000L, delegateRegistryTimer.getSnapshot().getMax()); + assertEquals(3, delegateRegistryTimer.getDelegateTimer().getCount()); + assertEquals( + 20000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 20000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMedian(), 0.0); + assertEquals(30000000000L, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMax()); + } + + @Test + public void testUpdate() { + DelegateRegistryTimer delegateRegistryTimer = + new DelegateRegistryTimer( + Clock.defaultClock(), timerSupplier.newMetric(), timerSupplier.newMetric()); + delegateRegistryTimer.update(10, TimeUnit.SECONDS); + assertEquals(1, delegateRegistryTimer.getPrimaryTimer().getCount()); + assertEquals( + 10000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 10000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMedian(), 0.0); + assertEquals(10000000000L, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMax()); + assertEquals(10000000000.0, delegateRegistryTimer.getSnapshot().getMean(), 0.0); + assertEquals(10000000000.0, delegateRegistryTimer.getSnapshot().getMedian(), 0.0); + assertEquals(10000000000L, delegateRegistryTimer.getSnapshot().getMax()); + assertEquals(1, delegateRegistryTimer.getDelegateTimer().getCount()); + assertEquals( + 10000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 10000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMedian(), 0.0); + assertEquals(10000000000L, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMax()); + + delegateRegistryTimer.update(20, TimeUnit.SECONDS); + delegateRegistryTimer.update(30, TimeUnit.SECONDS); + assertEquals(3, delegateRegistryTimer.getPrimaryTimer().getCount()); + assertEquals( + 20000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 20000000000.0, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMedian(), 0.0); + assertEquals(30000000000L, delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMax()); + assertEquals(20000000000.0, delegateRegistryTimer.getSnapshot().getMean(), 0.0); + assertEquals(20000000000.0, delegateRegistryTimer.getSnapshot().getMedian(), 0.0); + assertEquals(30000000000L, delegateRegistryTimer.getSnapshot().getMax()); + assertEquals(3, delegateRegistryTimer.getDelegateTimer().getCount()); + assertEquals( + 20000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMean(), 0.0); + assertEquals( + 20000000000.0, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMedian(), 0.0); + assertEquals(30000000000L, delegateRegistryTimer.getDelegateTimer().getSnapshot().getMax()); + } + + @Test + public void timeContext() throws InterruptedException { + DelegateRegistryTimer delegateRegistryTimer = + new DelegateRegistryTimer( + Clock.defaultClock(), timerSupplier.newMetric(), timerSupplier.newMetric()); + Timer.Context time = delegateRegistryTimer.time(); + Thread.sleep(100); + time.close(); + assertTrue(delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMean() > 100000); + assertTrue(delegateRegistryTimer.getDelegateTimer().getSnapshot().getMean() > 100000); + assertEquals( + delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMean(), + delegateRegistryTimer.getDelegateTimer().getSnapshot().getMean(), + 0.0); + assertEquals( + delegateRegistryTimer.getPrimaryTimer().getSnapshot().getMean(), + delegateRegistryTimer.getSnapshot().getMean(), + 0.0); + } + + @Test + public void timeSupplier() { + DelegateRegistryTimer delegateRegistryTimer = + new DelegateRegistryTimer( + Clock.defaultClock(), timerSupplier.newMetric(), timerSupplier.newMetric()); + Long supplierResult = + delegateRegistryTimer.timeSupplier( + () -> { + try { + Thread.sleep(100); + } catch (InterruptedException e) { + Assert.fail("Thread was interrupted while sleeping"); Review Comment: I took a different approach here that should just avoid that potential. -- This is an automated message from the Apache Git Service. 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