public void Constructor_SetErrorMessage()
{
// Arrange / Act
var sut = new StringLengthValidationRule(ERROR_MESSAGE, 20);
// Assert
sut.ErrorMessage.Should().Be(ERROR_MESSAGE);
}
public void Validate_ForNullNotAllowed_Fails()
{
// Arrange
string value = null;
var sut = new StringLengthValidationRule(ERROR_MESSAGE, 20);
// Act
var result = sut.Validate(value);
// Assert
result.Should().BeFalse();
}
public void Validate_ForNullAllowed_Pass()
{
// Arrange
string value = null;
var sut = new StringLengthValidationRule(ERROR_MESSAGE, 20, nullIsValid: true);
// Act
var result = sut.Validate(value);
// Assert
result.Should().BeTrue();
}
public void Validate_ForMinLength(int length, int valueLength, bool expected)
{
// Arrange
var value = GetValueOfLength(valueLength);
var sut = new StringLengthValidationRule(ERROR_MESSAGE, length, checkMaxLength: false);
// Act
var result = sut.Validate(value);
// Assert
result.Should().Be(expected);
}
private static void CreateValidationRules(ValueBindingModel valueBindingModel)
{
// validation rules
var rules = new List <ValidationRule>();
if (!valueBindingModel.IsOptional)
{
switch (valueBindingModel.Control.Type)
{
case ControlTypes.Options:
rules.Add(new OptionSelectedValidationRule());
break;
case ControlTypes.Folder:
case ControlTypes.InputFile:
case ControlTypes.Integer:
case ControlTypes.Multiline:
case ControlTypes.Number:
case ControlTypes.OutputFile:
case ControlTypes.Text:
case ControlTypes.Uri:
rules.Add(new NotNullOrEmptyValidationRule());
break;
}
}
// these could also be hardcoded in the xaml of the control itself
// but we want to keep flexibility for when to activate them.
switch (valueBindingModel.Control.Type)
{
case ControlTypes.Folder:
rules.Add(new FolderExistsValidationRule());
break;
case ControlTypes.InputFile:
rules.Add(new FileExistsValiadtionRule());
break;
case ControlTypes.Uri:
rules.Add(new UriValidationRule());
break;
}
var mask = valueBindingModel.Control.Properties.Mask();
if (!String.IsNullOrWhiteSpace(mask))
{
switch (valueBindingModel.Control.Type)
{
case ControlTypes.Folder:
case ControlTypes.InputFile:
case ControlTypes.OutputFile:
// no-op
break;
case ControlTypes.Text:
var rule = new RegexValidationRule();
rule.Regex = mask;
rules.Add(rule);
break;
default:
Trace.WriteLine(String.Format(
"No validation rule was applied to '{0}' for the mask attribute '{1}'.",
valueBindingModel.Name, mask), "ValidationRules");
break;
}
}
var min = valueBindingModel.Control.Properties.MinValue();
var max = valueBindingModel.Control.Properties.MaxValue();
if (!String.IsNullOrWhiteSpace(min) || !String.IsNullOrWhiteSpace(max))
{
switch (valueBindingModel.Control.Type)
{
case ControlTypes.Integer:
var intRule = IntegerMinMaxValidationRule.Create(min, max);
if (intRule != null)
{
rules.Add(intRule);
}
break;
case ControlTypes.Number:
var nmbRule = NumberMinMaxValidationRule.Create(min, max);
if (nmbRule != null)
{
rules.Add(nmbRule);
}
break;
case ControlTypes.Folder:
case ControlTypes.InputFile:
case ControlTypes.Multiline:
case ControlTypes.OutputFile:
case ControlTypes.Text:
case ControlTypes.Uri:
var lngRule = StringLengthValidationRule.Create(min, max);
if (lngRule != null)
{
rules.Add(lngRule);
}
break;
default:
Trace.WriteLine(String.Format(
"No validation rule was applied to '{0}' for the min ('{1}') and max ('{2}') attributes.",
valueBindingModel.Name, min, max), "ValidationRules");
break;
}
}
if (rules.Count > 0)
{
valueBindingModel.Control.ValidationRules = rules;
}
}
