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.connect.mirror;
  
  import org.apache.kafka.clients.producer.ProducerRecord;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class TestUtils {
  
      static Map<String, String> makeProps(String... keyValues) {
          Map<String, String> props = new HashMap<>();
          props.put("name", "ConnectorName");
          props.put("connector.class", "ConnectorClass");
          props.put("source.cluster.alias", "source1");
          props.put("target.cluster.alias", "target2");
          for (int i = 0; i < keyValues.length; i += 2) {
              props.put(keyValues[i], keyValues[i + 1]);
          }
          return props;
      }
  
      /**
       * Assemble a collection of records arbitrarily distributed across all partitions of the specified topic
       * @param topicName Destination topic
       * @param numRecords count of records to produce to the topic in total
       * @return A batch of records that can be sent to a producer.
       */
      public static List<ProducerRecord<byte[], byte[]>> generateRecords(String topicName, int numRecords) {
          List<ProducerRecord<byte[], byte[]>> records = new ArrayList<>();
          for (int i = 0; i < numRecords; i++) {
              String key = "key-" + i;
              String value = "message-" + i;
              records.add(new ProducerRecord<>(topicName, null, key.getBytes(), value.getBytes()));
          }
          return records;
      }
  
      /**
       * Assemble a collection of records evenly distributed across some partitions of the specified topic
       * @param topicName Destination topic
       * @param numRecords count of records to produce to each partition
       * @param numPartitions number of partitions within the topic to write records to.
       * @return A batch of records that can be sent to a producer.
       */
      public static List<ProducerRecord<byte[], byte[]>> generateRecords(String topicName, int numRecords, int numPartitions) {
          List<ProducerRecord<byte[], byte[]>> records = new ArrayList<>();
          int cnt = 0;
          for (int r = 0; r < numRecords; r++) {
              for (int p = 0; p < numPartitions; p++) {
                  String value = "value-" + cnt;
                  String key = "key-" + cnt;
                  cnt++;
                  records.add(new ProducerRecord<>(topicName, p, key.getBytes(), value.getBytes()));
              }
          }
          return records;
      }
  
      public static void assertEqualsExceptClientId(Map<String, Object> expected, Map<String, Object> actual) {
          Map<String, Object> expectedWithoutClientId = new HashMap<>(expected);
          expectedWithoutClientId.remove("client.id");
          Map<String, Object> actualWithoutClientId = new HashMap<>(actual);
          actualWithoutClientId.remove("client.id");
          assertEquals(expectedWithoutClientId, actualWithoutClientId);
      }
  }
  