jolshan commented on code in PR #13637: URL: https://github.com/apache/kafka/pull/13637#discussion_r1179531836
########## group-coordinator/src/test/java/org/apache/kafka/coordinator/group/consumer/TargetAssignmentBuilderTest.java: ########## @@ -0,0 +1,688 @@ +/* + * 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.kafka.coordinator.group.consumer; + +import org.apache.kafka.common.Uuid; +import org.apache.kafka.coordinator.group.assignor.AssignmentMemberSpec; +import org.apache.kafka.coordinator.group.assignor.AssignmentSpec; +import org.apache.kafka.coordinator.group.assignor.AssignmentTopicMetadata; +import org.apache.kafka.coordinator.group.assignor.GroupAssignment; +import org.apache.kafka.coordinator.group.assignor.PartitionAssignor; +import org.junit.jupiter.api.Test; + +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; + +import static org.apache.kafka.coordinator.group.consumer.AssignmentTestUtil.mkAssignment; +import static org.apache.kafka.coordinator.group.consumer.AssignmentTestUtil.mkTopicAssignment; +import static org.apache.kafka.coordinator.group.RecordHelpers.newTargetAssignmentEpochRecord; +import static org.apache.kafka.coordinator.group.RecordHelpers.newTargetAssignmentRecord; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +public class TargetAssignmentBuilderTest { + + public static class TargetAssignmentBuilderTestContext { + private final String groupId; + private final int groupEpoch; + private final PartitionAssignor assignor = mock(PartitionAssignor.class); + private final Map<String, ConsumerGroupMember> members = new HashMap<>(); + private final Map<String, TopicMetadata> subscriptionMetadata = new HashMap<>(); + private final Map<String, ConsumerGroupMember> updatedMembers = new HashMap<>(); + private final Map<String, Assignment> targetAssignments = new HashMap<>(); + private final Map<String, org.apache.kafka.coordinator.group.assignor.MemberAssignment> assignments = new HashMap<>(); + + public TargetAssignmentBuilderTestContext( + String groupId, + int groupEpoch + ) { + this.groupId = groupId; + this.groupEpoch = groupEpoch; + } + + public TargetAssignmentBuilderTestContext addGroupMember( + String memberId, + List<String> subscriptions, + Map<Uuid, Set<Integer>> targetPartitions + ) { + members.put(memberId, new ConsumerGroupMember.Builder(memberId) + .setSubscribedTopicNames(subscriptions) + .setRebalanceTimeoutMs(5000) + .build()); + + targetAssignments.put(memberId, new Assignment( + (byte) 0, + targetPartitions, + VersionedMetadata.EMPTY + )); + + return this; + } + + public TargetAssignmentBuilderTestContext addTopicMetadata( + Uuid topicId, + String topicName, + int numPartitions + ) { + subscriptionMetadata.put(topicName, new TopicMetadata( + topicId, + topicName, + numPartitions + )); + return this; + } + + public TargetAssignmentBuilderTestContext updateMemberSubscription( + String memberId, + List<String> subscriptions + ) { + return updateMemberSubscription( + memberId, + subscriptions, + Optional.empty(), + Optional.empty() + ); + } + + public TargetAssignmentBuilderTestContext updateMemberSubscription( + String memberId, + List<String> subscriptions, + Optional<String> instanceId, + Optional<String> rackId + ) { + ConsumerGroupMember existingMember = members.get(memberId); + ConsumerGroupMember.Builder builder; + if (existingMember != null) { + builder = new ConsumerGroupMember.Builder(existingMember); + } else { + builder = new ConsumerGroupMember.Builder(memberId); + } + updatedMembers.put(memberId, builder + .setSubscribedTopicNames(subscriptions) + .maybeUpdateInstanceId(instanceId) + .maybeUpdateRackId(rackId) + .build()); + return this; + } + + public TargetAssignmentBuilderTestContext removeMemberSubscription( + String memberId + ) { + this.updatedMembers.put(memberId, null); + return this; + } + + public TargetAssignmentBuilderTestContext prepareMemberAssignment( + String memberId, + Map<Uuid, Set<Integer>> assignment + ) { + assignments.put(memberId, new org.apache.kafka.coordinator.group.assignor.MemberAssignment(assignment)); + return this; + } + + private AssignmentMemberSpec assignmentMemberSpec( + ConsumerGroupMember member, + Assignment targetAssignment + ) { + Set<Uuid> subscribedTopics = new HashSet<>(); Review Comment: This seems to be mostly the same code as addMemberSpec. I'm wondering if there is a way to avoid code duplication 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
