nizhikov commented on code in PR #15256: URL: https://github.com/apache/kafka/pull/15256#discussion_r1471245590
########## tools/src/test/java/org/apache/kafka/tools/consumer/group/ListConsumerGroupTest.java: ########## @@ -0,0 +1,163 @@ +/* + * 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.tools.consumer.group; + +import joptsimple.OptionException; +import kafka.admin.ConsumerGroupCommand; +import org.apache.kafka.clients.admin.ConsumerGroupListing; +import org.apache.kafka.common.ConsumerGroupState; +import org.apache.kafka.test.TestUtils; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.ValueSource; + +import java.util.Arrays; +import java.util.Collections; +import java.util.Objects; +import java.util.Optional; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertThrows; + +public class ListConsumerGroupTest extends ConsumerGroupCommandTest { + @ParameterizedTest + @ValueSource(strings = {"zk", "kraft"}) + public void testListConsumerGroups(String quorum) throws Exception { + String simpleGroup = "simple-group"; + addSimpleGroupExecutor(simpleGroup); + addConsumerGroupExecutor(1); + + String[] cgcArgs = new String[]{"--bootstrap-server", bootstrapServers(listenerName()), "--list"}; + ConsumerGroupCommand.ConsumerGroupService service = getConsumerGroupService(cgcArgs); + scala.collection.Set<String> expectedGroups = set(Arrays.asList(GROUP, simpleGroup)); + final scala.collection.Set[] foundGroups = new scala.collection.Set[1]; + TestUtils.waitForCondition(() -> { + foundGroups[0] = service.listConsumerGroups().toSet(); + return Objects.equals(expectedGroups, foundGroups[0]); + }, "Expected --list to show groups " + expectedGroups + ", but found " + foundGroups[0] + "."); + } + + @ParameterizedTest + @ValueSource(strings = {"zk", "kraft"}) + public void testListWithUnrecognizedNewConsumerOption() { + String[] cgcArgs = new String[]{"--new-consumer", "--bootstrap-server", bootstrapServers(listenerName()), "--list"}; + assertThrows(OptionException.class, () -> getConsumerGroupService(cgcArgs)); + } + + @ParameterizedTest + @ValueSource(strings = {"zk", "kraft"}) + public void testListConsumerGroupsWithStates() throws Exception { + String simpleGroup = "simple-group"; + addSimpleGroupExecutor(simpleGroup); + addConsumerGroupExecutor(1); + + String[] cgcArgs = new String[]{"--bootstrap-server", bootstrapServers(listenerName()), "--list", "--state"}; + ConsumerGroupCommand.ConsumerGroupService service = getConsumerGroupService(cgcArgs); + + scala.collection.Set<ConsumerGroupListing> expectedListing = set(Arrays.asList( + new ConsumerGroupListing(simpleGroup, true, Optional.of(ConsumerGroupState.EMPTY)), + new ConsumerGroupListing(GROUP, false, Optional.of(ConsumerGroupState.STABLE)))); + + final scala.collection.Set[] foundListing = new scala.collection.Set[1]; + TestUtils.waitForCondition(() -> { + foundListing[0] = service.listConsumerGroupsWithState(set(Arrays.asList(ConsumerGroupState.values()))).toSet(); + return Objects.equals(expectedListing, foundListing[0]); + }, "Expected to show groups " + expectedListing + ", but found " + foundListing[0]); + + scala.collection.Set<ConsumerGroupListing> expectedListingStable = set(Collections.singleton( + new ConsumerGroupListing(GROUP, false, Optional.of(ConsumerGroupState.STABLE)))); + + foundListing[0] = null; + + TestUtils.waitForCondition(() -> { + foundListing[0] = service.listConsumerGroupsWithState(set(Collections.singleton(ConsumerGroupState.STABLE))).toSet(); + return Objects.equals(expectedListingStable, foundListing[0]); + }, "Expected to show groups " + expectedListingStable + ", but found " + foundListing[0]); + } + + @ParameterizedTest + @ValueSource(strings = {"zk", "kraft"}) + public void testConsumerGroupStatesFromString(String quorum) { + scala.collection.Set<ConsumerGroupState> result = ConsumerGroupCommand.consumerGroupStatesFromString("Stable"); + assertEquals(set(Collections.singleton(ConsumerGroupState.STABLE)), result); + + result = ConsumerGroupCommand.consumerGroupStatesFromString("Stable, PreparingRebalance"); + assertEquals(set(Arrays.asList(ConsumerGroupState.STABLE, ConsumerGroupState.PREPARING_REBALANCE)), result); + + result = ConsumerGroupCommand.consumerGroupStatesFromString("Dead,CompletingRebalance,"); + assertEquals(set(Arrays.asList(ConsumerGroupState.DEAD, ConsumerGroupState.COMPLETING_REBALANCE)), result); + + result = ConsumerGroupCommand.consumerGroupStatesFromString("stable"); + assertEquals(set(Arrays.asList(ConsumerGroupState.STABLE)), result); + + result = ConsumerGroupCommand.consumerGroupStatesFromString("stable, assigning"); + assertEquals(set(Arrays.asList(ConsumerGroupState.STABLE, ConsumerGroupState.ASSIGNING)), result); + + result = ConsumerGroupCommand.consumerGroupStatesFromString("dead,reconciling,"); + assertEquals(set(Arrays.asList(ConsumerGroupState.DEAD, ConsumerGroupState.RECONCILING)), result); + + assertThrows(IllegalArgumentException.class, () -> ConsumerGroupCommand.consumerGroupStatesFromString("bad, wrong")); + + assertThrows(IllegalArgumentException.class, () -> ConsumerGroupCommand.consumerGroupStatesFromString(" bad, Stable")); + + assertThrows(IllegalArgumentException.class, () -> ConsumerGroupCommand.consumerGroupStatesFromString(" , ,")); + } + + @ParameterizedTest + @ValueSource(strings = {"zk", "kraft"}) + public void testListGroupCommand(String quorum) throws Exception { + String simpleGroup = "simple-group"; + addSimpleGroupExecutor(simpleGroup); + addConsumerGroupExecutor(1); + final String[] out = {""}; Review Comment: Reworked to `AtomicReference`. -- This is an automated message from the Apache Git Service. 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