@Override
  public String getName() {
    return _name;
  }
@Test
  public void testStringNormalizeTransformFunction() {
    ExpressionContext expression =
        RequestContextUtils.getExpression(String.format("normalize(%s)", STRING_ALPHANUM_SV_COLUMN));
    TransformFunction transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap);
    assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
    assertEquals(transformFunction.getName(), "normalize");
    String[] expectedValues = new String[NUM_ROWS];
    for (int i = 0; i < NUM_ROWS; i++) {
      expectedValues[i] = Normalizer.normalize(_stringAlphaNumericSVValues[i], Normalizer.Form.NFC);
    }
    testTransformFunction(transformFunction, expectedValues);

    expression = RequestContextUtils.getExpression(String.format("normalize(%s, 'NFC')", STRING_ALPHANUM_SV_COLUMN));
    transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap);
    assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
    assertEquals(transformFunction.getName(), "normalize");
    expectedValues = new String[NUM_ROWS];
    Normalizer.Form targetForm = Normalizer.Form.valueOf("NFC");
    for (int i = 0; i < NUM_ROWS; i++) {
      expectedValues[i] = Normalizer.normalize(_stringAlphaNumericSVValues[i], targetForm);
    }
    testTransformFunction(transformFunction, expectedValues);
  }