@Test
void append() {

    var mapper = new EnumDBMapper();
    mapper.registerEnumClass(TestEnum.class);
    var params = new SQLBatchParams(mapper, List.of(new Object[]{"param1", 1, TestEnum.V1},
            new Object[]{"param2", 2, TestEnum.V2},
            new Object[]{"param3", 3, null}));
    var builder = new StringBuilder();
    params.append(builder, Set.of(), 10000);
    assertThat(builder.toString())
            .isEqualTo("[[param1, 1, DB_V1], [param2, 2, DB_V2], [param3, 3, null]]");
}