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.streams.state.internals;
  
  import org.apache.kafka.common.serialization.Serdes;
  
  import org.junit.jupiter.api.Test;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.is;
  import static org.hamcrest.Matchers.notNullValue;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class TimestampedKeyAndJoinSideSerializerTest {
      private static final String TOPIC = "some-topic";
  
      private static final TimestampedKeyAndJoinSideSerde<String> STRING_SERDE =
          new TimestampedKeyAndJoinSideSerde<>(Serdes.String());
  
      @Test
      public void shouldSerializeKeyWithJoinSideAsTrue() {
          final String value = "some-string";
  
          final TimestampedKeyAndJoinSide<String> timestampedKeyAndJoinSide = TimestampedKeyAndJoinSide.makeLeft(value, 10);
  
          final byte[] serialized =
              STRING_SERDE.serializer().serialize(TOPIC, timestampedKeyAndJoinSide);
  
          assertThat(serialized, is(notNullValue()));
  
          final TimestampedKeyAndJoinSide<String> deserialized =
              STRING_SERDE.deserializer().deserialize(TOPIC, serialized);
  
          assertThat(deserialized, is(timestampedKeyAndJoinSide));
      }
  
      @Test
      public void shouldSerializeKeyWithJoinSideAsFalse() {
          final String value = "some-string";
  
          final TimestampedKeyAndJoinSide<String> timestampedKeyAndJoinSide = TimestampedKeyAndJoinSide.makeRight(value, 20);
  
          final byte[] serialized =
              STRING_SERDE.serializer().serialize(TOPIC, timestampedKeyAndJoinSide);
  
          assertThat(serialized, is(notNullValue()));
  
          final TimestampedKeyAndJoinSide<String> deserialized =
              STRING_SERDE.deserializer().deserialize(TOPIC, serialized);
  
          assertThat(deserialized, is(timestampedKeyAndJoinSide));
      }
  
      @Test
      public void shouldThrowIfSerializeNullData() {
          assertThrows(NullPointerException.class,
              () -> STRING_SERDE.serializer().serialize(TOPIC, TimestampedKeyAndJoinSide.makeLeft(null, 0)));
      }
  }
  