content: /*
   * 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.internals;
  
  import org.apache.kafka.common.Node;
  import org.apache.kafka.common.errors.GroupAuthorizationException;
  import org.apache.kafka.common.errors.GroupIdNotFoundException;
  import org.apache.kafka.common.errors.GroupNotEmptyException;
  import org.apache.kafka.common.errors.InvalidGroupIdException;
  import org.apache.kafka.common.message.DeleteGroupsResponseData;
  import org.apache.kafka.common.message.DeleteGroupsResponseData.DeletableGroupResult;
  import org.apache.kafka.common.message.DeleteGroupsResponseData.DeletableGroupResultCollection;
  import org.apache.kafka.common.protocol.Errors;
  import org.apache.kafka.common.requests.DeleteGroupsRequest;
  import org.apache.kafka.common.requests.DeleteGroupsResponse;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static java.util.Collections.emptyList;
  import static java.util.Collections.emptySet;
  import static java.util.Collections.singleton;
  import static java.util.Collections.singletonList;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertInstanceOf;
  
  public abstract class DeleteGroupsHandlerTest {
  
      private final String groupId1 = "group-id1";
  
      private DeleteGroupsHandler handler;
  
      @BeforeEach
      public void setup() {
          handler = handler();
      }
  
      protected abstract DeleteGroupsHandler handler();
  
      @Test
      public void testBuildRequest() {
          DeleteGroupsRequest request = handler.buildBatchedRequest(1, singleton(CoordinatorKey.byGroupId(groupId1))).build();
          assertEquals(1, request.data().groupsNames().size());
          assertEquals(groupId1, request.data().groupsNames().get(0));
      }
  
      @Test
      public void testSuccessfulHandleResponse() {
          assertCompleted(handleWithError(Errors.NONE));
      }
  
      @Test
      public void testUnmappedHandleResponse() {
          assertUnmapped(handleWithError(Errors.NOT_COORDINATOR));
          assertUnmapped(handleWithError(Errors.COORDINATOR_NOT_AVAILABLE));
      }
  
      @Test
      public void testRetriableHandleResponse() {
          assertRetriable(handleWithError(Errors.COORDINATOR_LOAD_IN_PROGRESS));
      }
  
      @Test
      public void testFailedHandleResponse() {
          assertFailed(GroupAuthorizationException.class, handleWithError(Errors.GROUP_AUTHORIZATION_FAILED));
          assertFailed(GroupIdNotFoundException.class, handleWithError(Errors.GROUP_ID_NOT_FOUND));
          assertFailed(InvalidGroupIdException.class, handleWithError(Errors.INVALID_GROUP_ID));
          assertFailed(GroupNotEmptyException.class, handleWithError(Errors.NON_EMPTY_GROUP));
      }
  
      private DeleteGroupsResponse buildResponse(Errors error) {
          return new DeleteGroupsResponse(
                  new DeleteGroupsResponseData()
                      .setResults(new DeletableGroupResultCollection(singletonList(
                              new DeletableGroupResult()
                                  .setErrorCode(error.code())
                                  .setGroupId(groupId1)).iterator())));
      }
  
      private AdminApiHandler.ApiResult<CoordinatorKey, Void> handleWithError(
          Errors error
      ) {
          DeleteGroupsResponse response = buildResponse(error);
          return handler.handleResponse(new Node(1, "host", 1234), singleton(CoordinatorKey.byGroupId(groupId1)), response);
      }
  
      private void assertUnmapped(
          AdminApiHandler.ApiResult<CoordinatorKey, Void> result
      ) {
          assertEquals(emptySet(), result.completedKeys.keySet());
          assertEquals(emptySet(), result.failedKeys.keySet());
          assertEquals(singletonList(CoordinatorKey.byGroupId(groupId1)), result.unmappedKeys);
      }
  
      private void assertRetriable(
          AdminApiHandler.ApiResult<CoordinatorKey, Void> result
      ) {
          assertEquals(emptySet(), result.completedKeys.keySet());
          assertEquals(emptySet(), result.failedKeys.keySet());
          assertEquals(emptyList(), result.unmappedKeys);
      }
  
      private void assertCompleted(
          AdminApiHandler.ApiResult<CoordinatorKey, Void> result
      ) {
          CoordinatorKey key = CoordinatorKey.byGroupId(groupId1);
          assertEquals(emptySet(), result.failedKeys.keySet());
          assertEquals(emptyList(), result.unmappedKeys);
          assertEquals(singleton(key), result.completedKeys.keySet());
      }
  
      private void assertFailed(
          Class<? extends Throwable> expectedExceptionType,
          AdminApiHandler.ApiResult<CoordinatorKey, Void> result
      ) {
          CoordinatorKey key = CoordinatorKey.byGroupId(groupId1);
          assertEquals(emptySet(), result.completedKeys.keySet());
          assertEquals(emptyList(), result.unmappedKeys);
          assertEquals(singleton(key), result.failedKeys.keySet());
          assertInstanceOf(expectedExceptionType, result.failedKeys.get(key));
      }
  }
  