code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.integrations.destination.jdbc.copy;
  
  import static org.junit.jupiter.api.Assertions.*;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.google.common.collect.ImmutableMap;
  import io.airbyte.integrations.base.Destination;
  import io.airbyte.protocol.models.ConfiguredAirbyteCatalog;
  import java.util.Map;
  import java.util.function.Consumer;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  class SwitchingDestinationTest {
  
    enum SwitchingEnum {
      INSERT,
      COPY
    }
  
    private Destination insertDestination;
    private Destination copyDestination;
    private Map<SwitchingEnum, Destination> destinationMap;
  
    @BeforeEach
    public void setUp() {
      insertDestination = mock(Destination.class);
      copyDestination = mock(Destination.class);
      destinationMap = ImmutableMap.of(
          SwitchingEnum.INSERT, insertDestination,
          SwitchingEnum.COPY, copyDestination);
    }
  
    @Test
    public void testInsert() throws Exception {
      final var switchingDestination = new SwitchingDestination<>(SwitchingEnum.class, c -> SwitchingEnum.INSERT, destinationMap);
  
      switchingDestination.getConsumer(mock(JsonNode.class), mock(ConfiguredAirbyteCatalog.class), mock(Consumer.class));
  
      verify(insertDestination, times(1)).getConsumer(any(), any(), any());
      verify(copyDestination, times(0)).getConsumer(any(), any(), any());
  
      switchingDestination.check(mock(JsonNode.class));
  
      verify(insertDestination, times(1)).check(any());
      verify(copyDestination, times(0)).check(any());
    }
  
    @Test
    public void testCopy() throws Exception {
      final var switchingDestination = new SwitchingDestination<>(SwitchingEnum.class, c -> SwitchingEnum.COPY, destinationMap);
  
      switchingDestination.getConsumer(mock(JsonNode.class), mock(ConfiguredAirbyteCatalog.class), mock(Consumer.class));
  
      verify(insertDestination, times(0)).getConsumer(any(), any(), any());
      verify(copyDestination, times(1)).getConsumer(any(), any(), any());
  
      switchingDestination.check(mock(JsonNode.class));
  
      verify(insertDestination, times(0)).check(any());
      verify(copyDestination, times(1)).check(any());
    }
  
  }
  