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.arrow.adapter.jdbc;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.sql.Types;
  import java.util.Calendar;
  import java.util.HashMap;
  import java.util.Locale;
  import java.util.TimeZone;
  import org.apache.arrow.memory.BufferAllocator;
  import org.apache.arrow.memory.RootAllocator;
  import org.junit.jupiter.api.Test;
  
  public class JdbcToArrowConfigTest {
  
    private static final BufferAllocator allocator = new RootAllocator(Integer.MAX_VALUE);
    private static final Calendar calendar =
        Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.ROOT);
  
    @Test
    public void testConfigNullArguments() {
      assertThrows(
          NullPointerException.class,
          () -> {
            new JdbcToArrowConfig(null, null);
          });
    }
  
    @Test
    public void testBuilderNullArguments() {
      assertThrows(
          NullPointerException.class,
          () -> {
            new JdbcToArrowConfigBuilder(null, null);
          });
    }
  
    @Test
    public void testConfigNullCalendar() {
      JdbcToArrowConfig config = new JdbcToArrowConfig(allocator, null);
      assertNull(config.getCalendar());
    }
  
    @Test
    public void testBuilderNullCalendar() {
      JdbcToArrowConfigBuilder builder = new JdbcToArrowConfigBuilder(allocator, null);
      JdbcToArrowConfig config = builder.build();
      assertNull(config.getCalendar());
    }
  
    @Test
    public void testConfigNullAllocator() {
      assertThrows(
          NullPointerException.class,
          () -> {
            new JdbcToArrowConfig(null, calendar);
          });
    }
  
    @Test
    public void testBuilderNullAllocator() {
      assertThrows(
          NullPointerException.class,
          () -> {
            new JdbcToArrowConfigBuilder(null, calendar);
          });
    }
  
    @Test
    public void testSetNullAllocator() {
      assertThrows(
          NullPointerException.class,
          () -> {
            JdbcToArrowConfigBuilder builder = new JdbcToArrowConfigBuilder(allocator, calendar);
            builder.setAllocator(null);
          });
    }
  
    @Test
    public void testSetNullCalendar() {
      JdbcToArrowConfigBuilder builder = new JdbcToArrowConfigBuilder(allocator, calendar);
      JdbcToArrowConfig config = builder.setCalendar(null).build();
      assertNull(config.getCalendar());
    }
  
    @Test
    public void testConfig() {
      JdbcToArrowConfigBuilder builder = new JdbcToArrowConfigBuilder(allocator, calendar);
      JdbcToArrowConfig config = builder.build();
  
      assertEquals(allocator, config.getAllocator());
      assertEquals(calendar, config.getCalendar());
  
      Calendar newCalendar = Calendar.getInstance();
      BufferAllocator newAllocator = new RootAllocator(Integer.SIZE);
  
      builder.setAllocator(newAllocator).setCalendar(newCalendar);
      config = builder.build();
  
      assertEquals(newAllocator, config.getAllocator());
      assertEquals(newCalendar, config.getCalendar());
    }
  
    @Test
    public void testIncludeMetadata() {
      JdbcToArrowConfigBuilder builder = new JdbcToArrowConfigBuilder(allocator, calendar, false);
  
      JdbcToArrowConfig config = builder.build();
      assertFalse(config.shouldIncludeMetadata());
  
      builder.setIncludeMetadata(true);
      config = builder.build();
      assertTrue(config.shouldIncludeMetadata());
  
      config = new JdbcToArrowConfigBuilder(allocator, calendar, true).build();
      assertTrue(config.shouldIncludeMetadata());
  
      config =
          new JdbcToArrowConfig(
              allocator,
              calendar, /* include metadata */
              true,
              /* reuse vector schema root */ true,
              null,
              null,
              JdbcToArrowConfig.NO_LIMIT_BATCH_SIZE,
              null);
      assertTrue(config.shouldIncludeMetadata());
      assertTrue(config.isReuseVectorSchemaRoot());
  
      config =
          new JdbcToArrowConfig(
              allocator,
              calendar, /* include metadata */
              false,
              /* reuse vector schema root */ false,
              null,
              null,
              JdbcToArrowConfig.NO_LIMIT_BATCH_SIZE,
              null);
      assertFalse(config.shouldIncludeMetadata());
      assertFalse(config.isReuseVectorSchemaRoot());
    }
  
    @Test
    public void testArraySubTypes() {
      JdbcToArrowConfigBuilder builder = new JdbcToArrowConfigBuilder(allocator, calendar, false);
      JdbcToArrowConfig config = builder.build();
  
      final int columnIndex = 1;
      final String columnName = "COLUMN";
  
      assertNull(config.getArraySubTypeByColumnIndex(columnIndex));
      assertNull(config.getArraySubTypeByColumnName(columnName));
  
      final HashMap<Integer, JdbcFieldInfo> indexMapping = new HashMap<Integer, JdbcFieldInfo>();
      indexMapping.put(2, new JdbcFieldInfo(Types.BIGINT));
  
      final HashMap<String, JdbcFieldInfo> fieldMapping = new HashMap<String, JdbcFieldInfo>();
      fieldMapping.put("NEW_COLUMN", new JdbcFieldInfo(Types.BINARY));
  
      builder.setArraySubTypeByColumnIndexMap(indexMapping);
      builder.setArraySubTypeByColumnNameMap(fieldMapping);
      config = builder.build();
  
      assertNull(config.getArraySubTypeByColumnIndex(columnIndex));
      assertNull(config.getArraySubTypeByColumnName(columnName));
  
      indexMapping.put(columnIndex, new JdbcFieldInfo(Types.BIT));
      fieldMapping.put(columnName, new JdbcFieldInfo(Types.BLOB));
  
      assertNotNull(config.getArraySubTypeByColumnIndex(columnIndex));
      assertEquals(Types.BIT, config.getArraySubTypeByColumnIndex(columnIndex).getJdbcType());
      assertEquals(Types.BLOB, config.getArraySubTypeByColumnName(columnName).getJdbcType());
    }
  }
  