@Test
public void parseColumnDataTypeVarcharTest(){

  String columnDataTypeString = " VARCHAR( 10)  ";
  List<String> list = ParserUtils.parseColumnDataType(columnDataTypeString);
  Assert.assertEquals("Must contain 2 elements : ", 3, list.size());
  Assert.assertEquals("Failed to find datatype. ", "VARCHAR", list.get(0));
  Assert.assertEquals("Failed to find precision. ", "10", list.get(1));
  Assert.assertNull("Scale should be null. ", list.get(2));
}