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.tools.consumer;
  
  import org.apache.kafka.clients.consumer.ConsumerRecord;
  import org.apache.kafka.common.MessageFormatter;
  import org.apache.kafka.common.header.internals.RecordHeaders;
  import org.apache.kafka.common.record.TimestampType;
  
  import org.junit.jupiter.api.TestInstance;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.Arguments;
  import org.junit.jupiter.params.provider.MethodSource;
  
  import java.io.ByteArrayOutputStream;
  import java.io.PrintStream;
  import java.util.Optional;
  import java.util.stream.Stream;
  
  import static java.util.Collections.emptyMap;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  @TestInstance(TestInstance.Lifecycle.PER_CLASS)
  public abstract class CoordinatorRecordMessageFormatterTest {
      private static final String TOPIC = "TOPIC";
  
      protected abstract CoordinatorRecordMessageFormatter formatter();
      protected abstract Stream<Arguments> parameters();
  
      @ParameterizedTest
      @MethodSource("parameters")
      public void testMessageFormatter(byte[] keyBuffer, byte[] valueBuffer, String expectedOutput) {
          ConsumerRecord<byte[], byte[]> record = new ConsumerRecord<>(
              TOPIC,
              0,
              0,
              0L,
              TimestampType.CREATE_TIME,
              0,
              0,
              keyBuffer,
              valueBuffer,
              new RecordHeaders(),
              Optional.empty()
          );
  
          try (MessageFormatter formatter = formatter()) {
              formatter.configure(emptyMap());
              ByteArrayOutputStream out = new ByteArrayOutputStream();
              formatter.writeTo(record, new PrintStream(out));
              assertEquals(expectedOutput.replaceAll("\\s+", ""), out.toString());
          }
      }
  }
  