public void HasSpecialChar()
        {
            NoNumbersValidationRule text_val = new NoNumbersValidationRule();
            ValidationResult        result   = text_val.Validate("Joanna Krupows#*ka", null);

            Assert.AreEqual(new ValidationResult(true, null), result);
        }
        public void ValueIsNull()
        {
            NoNumbersValidationRule text_val = new NoNumbersValidationRule();
            ValidationResult        result   = text_val.Validate(null, null);

            Assert.AreEqual(new ValidationResult(false, "Wpisz wartość"), result);
        }
        public void HasDigits()
        {
            NoNumbersValidationRule text_val = new NoNumbersValidationRule();
            ValidationResult        result   = text_val.Validate("Joanna1", null);

            Assert.AreEqual(new ValidationResult(false, text_val.PropertyName + " nie może zawierać cyfr"), result);
        }