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;
  
  import org.apache.kafka.common.serialization.Serdes;
  import org.apache.kafka.common.utils.Bytes;
  import org.apache.kafka.streams.errors.StreamsException;
  import org.apache.kafka.streams.state.internals.ValueAndTimestampSerde;
  
  import org.junit.jupiter.api.Test;
  
  import java.nio.ByteBuffer;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.equalTo;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  @SuppressWarnings("unchecked")
  public class StateSerdesTest {
  
      @Test
      public void shouldThrowIfTopicNameIsNullForBuiltinTypes() {
          assertThrows(NullPointerException.class, () -> StateSerdes.withBuiltinTypes(null, byte[].class, byte[].class));
      }
  
      @Test
      public void shouldThrowIfKeyClassIsNullForBuiltinTypes() {
          assertThrows(NullPointerException.class, () -> StateSerdes.withBuiltinTypes("anyName", null, byte[].class));
      }
  
      @Test
      public void shouldThrowIfValueClassIsNullForBuiltinTypes() {
          assertThrows(NullPointerException.class, () -> StateSerdes.withBuiltinTypes("anyName", byte[].class, null));
      }
  
      @Test
      public void shouldReturnSerdesForBuiltInKeyAndValueTypesForBuiltinTypes() {
          final Class[] supportedBuildInTypes = new Class[] {
              String.class,
              Short.class,
              Integer.class,
              Long.class,
              Float.class,
              Double.class,
              byte[].class,
              ByteBuffer.class,
              Bytes.class
          };
  
          for (final Class keyClass : supportedBuildInTypes) {
              for (final Class valueClass : supportedBuildInTypes) {
                  assertNotNull(StateSerdes.withBuiltinTypes("anyName", keyClass, valueClass));
              }
          }
      }
  
      @Test
      public void shouldThrowForUnknownKeyTypeForBuiltinTypes() {
          assertThrows(IllegalArgumentException.class, () -> StateSerdes.withBuiltinTypes("anyName", Class.class, byte[].class));
      }
  
      @Test
      public void shouldThrowForUnknownValueTypeForBuiltinTypes() {
          assertThrows(IllegalArgumentException.class, () -> StateSerdes.withBuiltinTypes("anyName", byte[].class, Class.class));
      }
  
      @Test
      public void shouldThrowIfTopicNameIsNull() {
          assertThrows(NullPointerException.class, () -> new StateSerdes<>(null, Serdes.ByteArray(), Serdes.ByteArray()));
      }
  
      @Test
      public void shouldThrowIfKeyClassIsNull() {
          assertThrows(NullPointerException.class, () -> new StateSerdes<>("anyName", null, Serdes.ByteArray()));
      }
  
      @Test
      public void shouldThrowIfValueClassIsNull() {
          assertThrows(NullPointerException.class, () -> new StateSerdes<>("anyName", Serdes.ByteArray(), null));
      }
  
      @Test
      public void shouldThrowIfIncompatibleSerdeForValue() throws ClassNotFoundException {
          final Class myClass = Class.forName("java.lang.String");
          final StateSerdes<Object, Object> stateSerdes = new StateSerdes<Object, Object>("anyName", Serdes.serdeFrom(myClass), Serdes.serdeFrom(myClass));
          final Integer myInt = 123;
          final Exception e = assertThrows(StreamsException.class, () -> stateSerdes.rawValue(myInt));
          assertThat(
              e.getMessage(),
              equalTo(
                  "A serializer (org.apache.kafka.common.serialization.StringSerializer) " +
                  "is not compatible to the actual value type (value type: java.lang.Integer). " +
                  "Change the default Serdes in StreamConfig or provide correct Serdes via method parameters."));
      }
  
      @Test
      public void shouldSkipValueAndTimestampeInformationForErrorOnTimestampAndValueSerialization() throws ClassNotFoundException {
          final Class myClass = Class.forName("java.lang.String");
          final StateSerdes<Object, Object> stateSerdes =
              new StateSerdes<Object, Object>("anyName", Serdes.serdeFrom(myClass), new ValueAndTimestampSerde(Serdes.serdeFrom(myClass)));
          final Integer myInt = 123;
          final Exception e = assertThrows(StreamsException.class, () -> stateSerdes.rawValue(ValueAndTimestamp.make(myInt, 0L)));
          assertThat(
              e.getMessage(),
              equalTo(
                  "A serializer (org.apache.kafka.common.serialization.StringSerializer) " +
                      "is not compatible to the actual value type (value type: java.lang.Integer). " +
                      "Change the default Serdes in StreamConfig or provide correct Serdes via method parameters."));
      }
  
      @Test
      public void shouldThrowIfIncompatibleSerdeForKey() throws ClassNotFoundException {
          final Class myClass = Class.forName("java.lang.String");
          final StateSerdes<Object, Object> stateSerdes = new StateSerdes<Object, Object>("anyName", Serdes.serdeFrom(myClass), Serdes.serdeFrom(myClass));
          final Integer myInt = 123;
          final Exception e = assertThrows(StreamsException.class, () -> stateSerdes.rawKey(myInt));
          assertThat(
              e.getMessage(),
              equalTo(
                  "A serializer (org.apache.kafka.common.serialization.StringSerializer) " +
                      "is not compatible to the actual key type (key type: java.lang.Integer). " +
                      "Change the default Serdes in StreamConfig or provide correct Serdes via method parameters."));
      }
  
  }
  