code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.integrations.destination.jdbc;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.google.common.collect.ImmutableMap;
  import io.airbyte.commons.json.Jsons;
  import io.airbyte.db.jdbc.JdbcUtils;
  import io.airbyte.integrations.destination.StandardNameTransformer;
  import java.util.HashMap;
  import java.util.Map;
  import org.junit.jupiter.api.Test;
  
  public class AbstractJdbcDestinationTest {
  
    private JsonNode buildConfigNoJdbcParameters() {
      return Jsons.jsonNode(ImmutableMap.of(
          JdbcUtils.HOST_KEY, "localhost",
          JdbcUtils.PORT_KEY, 1337,
          JdbcUtils.USERNAME_KEY, "user",
          JdbcUtils.DATABASE_KEY, "db"));
    }
  
    private JsonNode buildConfigWithExtraJdbcParameters(final String extraParam) {
      return Jsons.jsonNode(ImmutableMap.of(
          JdbcUtils.HOST_KEY, "localhost",
          JdbcUtils.PORT_KEY, 1337,
          JdbcUtils.USERNAME_KEY, "user",
          JdbcUtils.DATABASE_KEY, "db",
          JdbcUtils.JDBC_URL_PARAMS_KEY, extraParam));
    }
  
    @Test
    void testNoExtraParamsNoDefault() {
      final Map<String, String> connectionProperties = new TestJdbcDestination().getConnectionProperties(buildConfigNoJdbcParameters());
  
      final Map<String, String> expectedProperties = ImmutableMap.of();
      assertEquals(expectedProperties, connectionProperties);
    }
  
    @Test
    void testNoExtraParamsWithDefault() {
      final Map<String, String> defaultProperties = ImmutableMap.of("A_PARAMETER", "A_VALUE");
  
      final Map<String, String> connectionProperties = new TestJdbcDestination(defaultProperties).getConnectionProperties(
          buildConfigNoJdbcParameters());
  
      assertEquals(defaultProperties, connectionProperties);
    }
  
    @Test
    void testExtraParamNoDefault() {
      final String extraParam = "key1=value1&key2=value2&key3=value3";
      final Map<String, String> connectionProperties = new TestJdbcDestination().getConnectionProperties(
          buildConfigWithExtraJdbcParameters(extraParam));
      final Map<String, String> expectedProperties = ImmutableMap.of(
          "key1", "value1",
          "key2", "value2",
          "key3", "value3");
      assertEquals(expectedProperties, connectionProperties);
    }
  
    @Test
    void testExtraParamWithDefault() {
      final Map<String, String> defaultProperties = ImmutableMap.of("A_PARAMETER", "A_VALUE");
      final String extraParam = "key1=value1&key2=value2&key3=value3";
      final Map<String, String> connectionProperties = new TestJdbcDestination(defaultProperties).getConnectionProperties(
          buildConfigWithExtraJdbcParameters(extraParam));
      final Map<String, String> expectedProperties = ImmutableMap.of(
          "A_PARAMETER", "A_VALUE",
          "key1", "value1",
          "key2", "value2",
          "key3", "value3");
      assertEquals(expectedProperties, connectionProperties);
    }
  
    @Test
    void testExtraParameterEqualToDefault() {
      final Map<String, String> defaultProperties = ImmutableMap.of("key1", "value1");
      final String extraParam = "key1=value1&key2=value2&key3=value3";
      final Map<String, String> connectionProperties = new TestJdbcDestination(defaultProperties).getConnectionProperties(
          buildConfigWithExtraJdbcParameters(extraParam));
      final Map<String, String> expectedProperties = ImmutableMap.of(
          "key1", "value1",
          "key2", "value2",
          "key3", "value3");
      assertEquals(expectedProperties, connectionProperties);
    }
  
    @Test
    void testExtraParameterDiffersFromDefault() {
      final Map<String, String> defaultProperties = ImmutableMap.of("key1", "value0");
      final String extraParam = "key1=value1&key2=value2&key3=value3";
  
      assertThrows(IllegalArgumentException.class, () -> new TestJdbcDestination(defaultProperties).getConnectionProperties(
          buildConfigWithExtraJdbcParameters(extraParam)));
    }
  
    @Test
    void testInvalidExtraParam() {
      final String extraParam = "key1=value1&sdf&";
      assertThrows(IllegalArgumentException.class,
          () -> new TestJdbcDestination().getConnectionProperties(buildConfigWithExtraJdbcParameters(extraParam)));
    }
  
    static class TestJdbcDestination extends AbstractJdbcDestination {
  
      private final Map<String, String> defaultProperties;
  
      public TestJdbcDestination() {
        this(new HashMap<>());
      }
  
      public TestJdbcDestination(final Map<String, String> defaultProperties) {
        super("", new StandardNameTransformer(), new TestJdbcSqlOperations());
        this.defaultProperties = defaultProperties;
      }
  
      @Override
      protected Map<String, String> getDefaultConnectionProperties(final JsonNode config) {
        return defaultProperties;
      }
  
      @Override
      public JsonNode toJdbcConfig(final JsonNode config) {
        return config;
      }
  
    }
  
  }
  