apoorvmittal10 commented on code in PR #14699: URL: https://github.com/apache/kafka/pull/14699#discussion_r1397875576
########## core/src/test/java/kafka/metrics/ClientMetricsInstanceTest.java: ########## @@ -0,0 +1,92 @@ +/* + * 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 kafka.metrics; + +import org.apache.kafka.common.Uuid; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import java.net.UnknownHostException; + +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class ClientMetricsInstanceTest { + + private Uuid uuid; + private ClientMetricsInstanceMetadata instanceMetadata; + private ClientMetricsInstance clientInstance; + + @BeforeEach + public void setUp() throws UnknownHostException { + uuid = Uuid.randomUuid(); + instanceMetadata = new ClientMetricsInstanceMetadata(uuid, + ClientMetricsTestUtils.requestContext()); + clientInstance = new ClientMetricsInstance(Uuid.randomUuid(), instanceMetadata, 0, 0, + null, ClientMetricsConfigs.DEFAULT_INTERVAL_MS); + } + + @Test + public void testMaybeUpdateRequestEpochValid() { + // First request should be accepted. + assertTrue(clientInstance.maybeUpdateGetRequestEpoch(System.currentTimeMillis())); Review Comment: As the class/methods I am testing do not have `Time` reference rather just tries to updates the epoch supplied hence I didn't see any value in using MockTime. However I did change the code and tests for ClientMetricsManager where these methods are invoked from, I started using Time in ClientMetricsManager and corresponding MockTime in ClientMetricsManagerTest which eliminated the use of `Thread.sleep`. Please let me know if I am missing anything here. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org