@Test
public void fromObjectToExpressionTest() {

    assertEquals("\"Test\"", expressionEvaluator.fromObjectToExpression("Test"));
    assertEquals("false", expressionEvaluator.fromObjectToExpression(false));
    assertEquals("1", expressionEvaluator.fromObjectToExpression(BigDecimal.valueOf(1)));
    assertEquals("date( \"2019-05-13\" )", expressionEvaluator.fromObjectToExpression(LocalDate.of(2019, 5, 13)));
    assertEquals("null", expressionEvaluator.fromObjectToExpression(null));
}