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.network;
  
  import org.apache.kafka.common.message.ApiMessageType;
  import org.apache.kafka.common.message.DescribeAclsRequestData;
  import org.apache.kafka.common.message.DescribeLogDirsResponseData;
  import org.apache.kafka.common.network.ClientInformation;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.ApiMessage;
  import org.apache.kafka.common.protocol.ByteBufferAccessor;
  import org.apache.kafka.common.protocol.Errors;
  import org.apache.kafka.common.protocol.MessageUtil;
  import org.apache.kafka.common.protocol.Readable;
  import org.apache.kafka.common.requests.AbstractRequest;
  import org.apache.kafka.common.requests.AbstractResponse;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.node.JsonNodeFactory;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import com.fasterxml.jackson.databind.node.TextNode;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class RequestConvertToJsonTest {
  
      @Test
      public void testAllRequestTypesHandled() {
          List<String> unhandledKeys = new ArrayList<>();
          for (ApiKeys key : ApiKeys.values()) {
              if (key.hasValidVersion()) {
                  short version = key.latestVersion();
                  ApiMessage message;
                  if (key == ApiKeys.DESCRIBE_ACLS) {
                      message = ApiMessageType.fromApiKey(key.id).newRequest();
                      DescribeAclsRequestData requestData = (DescribeAclsRequestData) message;
                      requestData.setPatternTypeFilter((byte) 1);
                      requestData.setResourceTypeFilter((byte) 1);
                      requestData.setPermissionType((byte) 1);
                      requestData.setOperation((byte) 1);
                  } else {
                      message = ApiMessageType.fromApiKey(key.id).newRequest();
                  }
                  Readable bytes = MessageUtil.toByteBufferAccessor(message, version);
                  AbstractRequest req = AbstractRequest.parseRequest(key, version, bytes).request;
                  try {
                      RequestConvertToJson.request(req);
                  } catch (IllegalStateException e) {
                      unhandledKeys.add(key.toString());
                  }
              }
          }
          assertEquals(List.of(), unhandledKeys, "Unhandled request keys");
      }
  
      @Test
      public void testAllApiVersionsResponseHandled() {
          for (ApiKeys key : ApiKeys.values()) {
              List<Short> unhandledVersions = new ArrayList<>();
              for (short version : key.allVersions()) {
                  ApiMessage message;
                  // Specify top-level error handling for verifying compatibility across versions
                  if (key == ApiKeys.DESCRIBE_LOG_DIRS) {
                      message = ApiMessageType.fromApiKey(key.id).newResponse();
                      DescribeLogDirsResponseData responseData = (DescribeLogDirsResponseData) message;
                      responseData.setErrorCode(Errors.CLUSTER_AUTHORIZATION_FAILED.code());
                  } else {
                      message = ApiMessageType.fromApiKey(key.id).newResponse();
                  }
  
                  ByteBufferAccessor readable = MessageUtil.toByteBufferAccessor(message, version);
                  AbstractResponse response = AbstractResponse.parseResponse(key, readable, version);
                  try {
                      RequestConvertToJson.response(response, version);
                  } catch (IllegalStateException e) {
                      unhandledVersions.add(version);
                  }
              }
              assertEquals(new ArrayList<>(), unhandledVersions, "API: " + key + " - Unhandled request versions");
          }
      }
  
      @Test
      public void testAllResponseTypesHandled() {
          List<String> unhandledKeys = new ArrayList<>();
          for (ApiKeys key : ApiKeys.values()) {
              if (key.hasValidVersion()) {
                  short version = key.latestVersion();
                  ApiMessage message = ApiMessageType.fromApiKey(key.id).newResponse();
                  ByteBufferAccessor readable = MessageUtil.toByteBufferAccessor(message, version);
                  AbstractResponse res = AbstractResponse.parseResponse(key, readable, version);
                  try {
                      RequestConvertToJson.response(res, version);
                  } catch (IllegalStateException e) {
                      unhandledKeys.add(key.toString());
                  }
              }
          }
          assertEquals(List.of(), unhandledKeys, "Unhandled response keys");
      }
  
      @Test
      public void testClientInfoNode() {
          ClientInformation clientInfo = new ClientInformation("name", "1");
          ObjectNode expectedNode = JsonNodeFactory.instance.objectNode();
          expectedNode.set("softwareName", new TextNode(clientInfo.softwareName()));
          expectedNode.set("softwareVersion", new TextNode(clientInfo.softwareVersion()));
          JsonNode actualNode = RequestConvertToJson.clientInfoNode(clientInfo);
          assertEquals(expectedNode, actualNode);
      }
  }
  