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.kstream.internals.graph;
  
  import org.apache.kafka.common.utils.Bytes;
  import org.apache.kafka.streams.kstream.Consumed;
  import org.apache.kafka.streams.kstream.Materialized;
  import org.apache.kafka.streams.kstream.internals.ConsumedInternal;
  import org.apache.kafka.streams.kstream.internals.KTableSource;
  import org.apache.kafka.streams.kstream.internals.MaterializedInternal;
  import org.apache.kafka.streams.kstream.internals.graph.TableSourceNode.TableSourceNodeBuilder;
  import org.apache.kafka.streams.processor.api.ProcessorWrapper;
  import org.apache.kafka.streams.processor.internals.InternalTopologyBuilder;
  import org.apache.kafka.streams.state.KeyValueStore;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.mockito.junit.jupiter.MockitoSettings;
  import org.mockito.quality.Strictness;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.never;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  @MockitoSettings(strictness = Strictness.STRICT_STUBS)
  public class TableSourceNodeTest {
  
      private static final String STORE_NAME = "store-name";
      private static final String TOPIC = "input-topic";
  
      private InternalTopologyBuilder topologyBuilder = mock(InternalTopologyBuilder.class);
  
      @BeforeEach
      public void before() {
          when(topologyBuilder.wrapProcessorSupplier(any(), any()))
                  .thenAnswer(iom -> ProcessorWrapper.asWrapped(iom.getArgument(1)));
      }
  
      @Test
      public void shouldConnectStateStoreToInputTopicIfInputTopicIsUsedAsChangelog() {
          final boolean shouldReuseSourceTopicForChangelog = true;
          buildTableSourceNode(shouldReuseSourceTopicForChangelog);
          verify(topologyBuilder).connectSourceStoreAndTopic(STORE_NAME, TOPIC);
      }
  
      @Test
      public void shouldConnectStateStoreToChangelogTopic() {
          final boolean shouldReuseSourceTopicForChangelog = false;
          buildTableSourceNode(shouldReuseSourceTopicForChangelog);
          verify(topologyBuilder, never()).connectSourceStoreAndTopic(STORE_NAME, TOPIC);
      }
  
      private void buildTableSourceNode(final boolean shouldReuseSourceTopicForChangelog) {
          final TableSourceNodeBuilder<String, String> tableSourceNodeBuilder = TableSourceNode.tableSourceNodeBuilder();
          final MaterializedInternal<String, String, KeyValueStore<Bytes, byte[]>>
                  materializedInternal = new MaterializedInternal<>(Materialized.as(STORE_NAME));
          final TableSourceNode<String, String> tableSourceNode = tableSourceNodeBuilder
              .withTopic(TOPIC)
              .withConsumedInternal(new ConsumedInternal<>(Consumed.as("node-name")))
              .withProcessorParameters(
                      new ProcessorParameters<>(new KTableSource<>(materializedInternal), null))
              .build();
          tableSourceNode.reuseSourceTopicForChangeLog(shouldReuseSourceTopicForChangelog);
  
          tableSourceNode.writeToTopology(topologyBuilder);
      }
  }
  