ColumnDecoderTest.java

// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (c) 2012-2014 Monty Program Ab
// Copyright (c) 2015-2025 MariaDB Corporation Ab
package org.mariadb.jdbc.unit.client;

import static org.junit.jupiter.api.Assertions.*;

import java.sql.SQLException;
import org.junit.jupiter.api.Test;
import org.mariadb.jdbc.client.ColumnDecoder;
import org.mariadb.jdbc.client.DataType;
import org.mariadb.jdbc.client.ReadableByteBuf;
import org.mariadb.jdbc.client.impl.StandardReadableByteBuf;
import org.mariadb.jdbc.unit.type.GeometryTest;

public class ColumnDecoderTest {

  @Test
  public void testWrongEncoding() throws SQLException {
    /*
           +--------------------------------------------------+
           |  0  1  2  3  4  5  6  7   8  9  a  b  c  d  e  f |
    +------+--------------------------------------------------+------------------+
    |000000| 35 00 00 02 03 64 65 66  05 74 65 73 74 6A 08 42 | 5....defg.testj.B |
    |000010| 69 74 43 6F 64 65 63 08  42 69 74 43 6F 64 65 63 | itCodec.BitCodec |
    |000020| 07 74 31 61 6C 69 61 73  02 74 31 00 0C 3F 00 01 | .t1alias.t1..?.. |
    |000030| 00 00 00 10 20 00 00 00  00                      | .... ....        |
    +------+--------------------------------------------------+------------------+
             */

    byte[] ptBytes =
        GeometryTest.hexStringToByteArray(
            "04 64 65 66 67 05 74 65 73 74 6A 08 42"
                + "69 74 43 6F 64 65 63 08  42 69 74 43 6F 64 65 63"
                + "07 74 31 61 6C 69 61 73  02 74 31 00 0C 3F 00 01"
                + "00 00 00 10 20 00 00 00  00");
    ReadableByteBuf readBuf = new StandardReadableByteBuf(ptBytes, ptBytes.length);
    ColumnDecoder columnDecoder = ColumnDecoder.decodeStd(readBuf);
    assertEquals("t1", columnDecoder.getColumnName());
    assertEquals("t1alias", columnDecoder.getColumnAlias());
    assertEquals("BitCodec", columnDecoder.getTable());
    assertEquals("BitCodec", columnDecoder.getTableAlias());
    assertEquals("defg", columnDecoder.getCatalog());
    assertEquals("testj", columnDecoder.getSchema());

    columnDecoder = ColumnDecoder.create("db", "test", DataType.GEOMETRY, 0);
    assertEquals("test", columnDecoder.getColumnName());
    assertEquals("test", columnDecoder.getColumnAlias());
    assertEquals("db", columnDecoder.getCatalog());
  }
}