chia7712 commented on code in PR #16255: URL: https://github.com/apache/kafka/pull/16255#discussion_r1634021872
########## clients/src/test/java/org/apache/kafka/clients/admin/NewTopicTest.java: ########## @@ -0,0 +1,168 @@ +/* + * 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.clients.admin; + +import org.apache.kafka.common.message.CreateTopicsRequestData; +import org.junit.jupiter.api.Test; + +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; + +import static org.apache.kafka.common.requests.CreateTopicsRequest.NO_NUM_PARTITIONS; +import static org.apache.kafka.common.requests.CreateTopicsRequest.NO_REPLICATION_FACTOR; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNotEquals; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertNull; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + + +public class NewTopicTest { + + public static final String TEST_TOPIC = "testtopic"; + public static final int NUM_PARTITIONS = 3; + public static final short REPLICATION_FACTOR = 1; + public static final String CLEANUP_POLICY_CONFIG_KEY = "cleanup.policy"; + public static final String CLEANUP_POLICY_CONFIG_VALUE = "compact"; + public static final List<Integer> BROKER_IDS = Arrays.asList(1, 2); + + @Test + public void testConstructorWithPartitionsAndReplicationFactor() { + NewTopic topic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + assertEquals(TEST_TOPIC, topic.name()); + assertEquals(NUM_PARTITIONS, topic.numPartitions()); + assertEquals(REPLICATION_FACTOR, topic.replicationFactor()); + assertNull(topic.replicasAssignments()); + } + + @Test + public void testConstructorWithOptionalValues() { + Optional<Integer> numPartitions = Optional.empty(); + Optional<Short> replicationFactor = Optional.empty(); + NewTopic topic = new NewTopic(TEST_TOPIC, numPartitions, replicationFactor); + assertEquals(TEST_TOPIC, topic.name()); + assertEquals(NO_NUM_PARTITIONS, topic.numPartitions()); + assertEquals(NO_REPLICATION_FACTOR, topic.replicationFactor()); + assertNull(topic.replicasAssignments()); + } + + @Test + public void testConstructorWithReplicasAssignments() { + Map<Integer, List<Integer>> replicasAssignments = new HashMap<>(); + replicasAssignments.put(0, BROKER_IDS); + NewTopic newTopic = new NewTopic(TEST_TOPIC, replicasAssignments); + assertEquals(TEST_TOPIC, newTopic.name()); + assertEquals(NO_NUM_PARTITIONS, newTopic.numPartitions()); + assertEquals(NO_REPLICATION_FACTOR, newTopic.replicationFactor()); + assertEquals(replicasAssignments, newTopic.replicasAssignments()); + } + + @Test + public void testConfigsNotNull() { + NewTopic newTopic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + Map<String, String> configs = new HashMap<>(); + configs.put(CLEANUP_POLICY_CONFIG_KEY, CLEANUP_POLICY_CONFIG_VALUE); + newTopic.configs(configs); + assertEquals(configs, newTopic.configs()); + } + + @Test + public void testConfigsNull() { + NewTopic newTopic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + assertNull(newTopic.configs()); + } + + @Test + public void testUnmodifiableReplicasAssignments() { + Map<Integer, List<Integer>> replicasAssignments = new HashMap<>(); + replicasAssignments.put(0, BROKER_IDS); + NewTopic newTopic = new NewTopic(TEST_TOPIC, replicasAssignments); + Map<Integer, List<Integer>> returnedAssignments = newTopic.replicasAssignments(); + + assertThrows(UnsupportedOperationException.class, () -> { Review Comment: it seems this can be simplified to `assertThrows(UnsupportedOperationException.class, () -> returnedAssignments.put(1, Arrays.asList(3, 4)));` ########## clients/src/test/java/org/apache/kafka/clients/admin/NewTopicTest.java: ########## @@ -0,0 +1,168 @@ +/* + * 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.clients.admin; + +import org.apache.kafka.common.message.CreateTopicsRequestData; +import org.junit.jupiter.api.Test; + +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; + +import static org.apache.kafka.common.requests.CreateTopicsRequest.NO_NUM_PARTITIONS; +import static org.apache.kafka.common.requests.CreateTopicsRequest.NO_REPLICATION_FACTOR; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNotEquals; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertNull; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + + +public class NewTopicTest { + + public static final String TEST_TOPIC = "testtopic"; + public static final int NUM_PARTITIONS = 3; + public static final short REPLICATION_FACTOR = 1; + public static final String CLEANUP_POLICY_CONFIG_KEY = "cleanup.policy"; + public static final String CLEANUP_POLICY_CONFIG_VALUE = "compact"; + public static final List<Integer> BROKER_IDS = Arrays.asList(1, 2); + + @Test + public void testConstructorWithPartitionsAndReplicationFactor() { + NewTopic topic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + assertEquals(TEST_TOPIC, topic.name()); + assertEquals(NUM_PARTITIONS, topic.numPartitions()); + assertEquals(REPLICATION_FACTOR, topic.replicationFactor()); + assertNull(topic.replicasAssignments()); + } + + @Test + public void testConstructorWithOptionalValues() { + Optional<Integer> numPartitions = Optional.empty(); + Optional<Short> replicationFactor = Optional.empty(); + NewTopic topic = new NewTopic(TEST_TOPIC, numPartitions, replicationFactor); + assertEquals(TEST_TOPIC, topic.name()); + assertEquals(NO_NUM_PARTITIONS, topic.numPartitions()); + assertEquals(NO_REPLICATION_FACTOR, topic.replicationFactor()); + assertNull(topic.replicasAssignments()); + } + + @Test + public void testConstructorWithReplicasAssignments() { + Map<Integer, List<Integer>> replicasAssignments = new HashMap<>(); + replicasAssignments.put(0, BROKER_IDS); + NewTopic newTopic = new NewTopic(TEST_TOPIC, replicasAssignments); + assertEquals(TEST_TOPIC, newTopic.name()); + assertEquals(NO_NUM_PARTITIONS, newTopic.numPartitions()); + assertEquals(NO_REPLICATION_FACTOR, newTopic.replicationFactor()); + assertEquals(replicasAssignments, newTopic.replicasAssignments()); + } + + @Test + public void testConfigsNotNull() { + NewTopic newTopic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + Map<String, String> configs = new HashMap<>(); + configs.put(CLEANUP_POLICY_CONFIG_KEY, CLEANUP_POLICY_CONFIG_VALUE); + newTopic.configs(configs); + assertEquals(configs, newTopic.configs()); + } + + @Test + public void testConfigsNull() { + NewTopic newTopic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + assertNull(newTopic.configs()); + } + + @Test + public void testUnmodifiableReplicasAssignments() { + Map<Integer, List<Integer>> replicasAssignments = new HashMap<>(); + replicasAssignments.put(0, BROKER_IDS); + NewTopic newTopic = new NewTopic(TEST_TOPIC, replicasAssignments); + Map<Integer, List<Integer>> returnedAssignments = newTopic.replicasAssignments(); + + assertThrows(UnsupportedOperationException.class, () -> { + returnedAssignments.put(1, Arrays.asList(3, 4)); + }); + } + + @Test + public void testConvertToCreatableTopicWithPartitionsAndReplicationFactor() { + NewTopic newTopic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + CreateTopicsRequestData.CreatableTopic creatableTopic = newTopic.convertToCreatableTopic(); + + assertEquals(TEST_TOPIC, creatableTopic.name()); + assertTrue(creatableTopic.numPartitions() > 0); + assertEquals(NUM_PARTITIONS, creatableTopic.numPartitions()); + assertTrue(creatableTopic.replicationFactor() > 0); + assertEquals(REPLICATION_FACTOR, creatableTopic.replicationFactor()); + } + + @Test + public void testConvertToCreatableTopicWithReplicasAssignments() { + int partitionIndex = 0; + Map<Integer, List<Integer>> replicasAssignments = new HashMap<>(); + replicasAssignments.put(partitionIndex, BROKER_IDS); + NewTopic topic = new NewTopic(TEST_TOPIC, replicasAssignments); + Map<String, String> configs = new HashMap<>(); + configs.put(CLEANUP_POLICY_CONFIG_KEY, CLEANUP_POLICY_CONFIG_VALUE); + topic.configs(configs); + + CreateTopicsRequestData.CreatableTopic creatableTopic = topic.convertToCreatableTopic(); + + assertEquals(TEST_TOPIC, creatableTopic.name()); + assertEquals(NO_NUM_PARTITIONS, creatableTopic.numPartitions()); + assertEquals(NO_REPLICATION_FACTOR, creatableTopic.replicationFactor()); + assertNotNull(creatableTopic.assignments()); + assertEquals(1, creatableTopic.assignments().size()); + + CreateTopicsRequestData.CreatableReplicaAssignmentCollection assignmentsCollection = creatableTopic.assignments(); + + CreateTopicsRequestData.CreatableReplicaAssignment assignment = assignmentsCollection.find(partitionIndex); + assertEquals(partitionIndex, assignment.partitionIndex()); + assertEquals(BROKER_IDS, assignment.brokerIds()); + + assertNotNull(creatableTopic.configs()); + assertEquals(1, creatableTopic.configs().size()); + + CreateTopicsRequestData.CreateableTopicConfig config = creatableTopic.configs().find(CLEANUP_POLICY_CONFIG_KEY); + assertEquals(CLEANUP_POLICY_CONFIG_KEY, config.name()); + assertEquals(CLEANUP_POLICY_CONFIG_VALUE, config.value()); + } + + @Test + public void testToString() { + NewTopic topic = new NewTopic(TEST_TOPIC, NUM_PARTITIONS, REPLICATION_FACTOR); + String expected = "(name=" + TEST_TOPIC + ", numPartitions=" + NUM_PARTITIONS + ", replicationFactor=" + REPLICATION_FACTOR + ", replicasAssignments=null, configs=null)"; + assertEquals(expected, topic.toString()); Review Comment: maybe we can verify the non-null configs/assignments too? -- This is an automated message from the Apache Git Service. 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