public void ValidatesValueProperty()
{
MockValidator<object> valueValidator = new MockValidator<object>(false);
Validator validator
= new PropertyValueValidator<PropertyValueValidatorFixtureTestClass>("PublicProperty", valueValidator);
validator.Validate(new PropertyValueValidatorFixtureTestClass());
Assert.AreEqual(PropertyValueValidatorFixtureTestClass.value, valueValidator.ValidatedTargets[0]);
}
public void ValidatesValueProperty()
{
MockValidator <object> valueValidator = new MockValidator <object>(false);
Validator validator
= new PropertyValueValidator <PropertyValueValidatorFixtureTestClass>("PublicProperty", valueValidator);
validator.Validate(new PropertyValueValidatorFixtureTestClass());
Assert.AreEqual(PropertyValueValidatorFixtureTestClass.value, valueValidator.ValidatedTargets[0]);
}
static void CreatingAndUsingValidatorsDirectly()
{
// Create a Contains Characters Validator and use it to validate a String value.
Validator charsValidator = new ContainsCharactersValidator("cat", ContainsCharacters.All,
"Value must contain {4} of the characters '{3}'.");
Console.WriteLine("Validating a string value using a Contains Characters Validator...");
charsValidator.Tag = "Validating the String value 'disconnected'";
// This overload of the Validate method returns a new ValidationResults
// instance populated with any/all of the validation errors.
ValidationResults valResults = charsValidator.Validate("disconnected");
// Create a Domain Validator and use it to validate an Integer value.
Validator integerValidator = new DomainValidator <int>("Value must be in the list 1, 3, 7, 11, 13.",
new int[] { 1, 3, 7, 11, 13 });
integerValidator.Tag = "Validating the Integer value '42'";
Console.WriteLine("Validating an integer value using a Domain Validator...");
// This overload of the Validate method takes an existing ValidationResults
// instance and adds any/all of the validation errors to it.
integerValidator.Validate(42, valResults);
// Create an Or Composite Validator containing two validators.
// Note that the NotNullValidator is negated to allow NULL values.
Validator[] valArray = new Validator[] {
new NotNullValidator(true, "Value can be NULL."),
new StringLengthValidator(5, RangeBoundaryType.Inclusive, 5, RangeBoundaryType.Inclusive,
"Value must be between {3} ({4}) and {5} ({6}) chars.")
};
Validator orValidator = new OrCompositeValidator("Value can be NULL or a string of 5 characters.", valArray);
// Validate two strings using the Or Composite Validator.
Console.WriteLine("Validating a NULL value using an Or Composite Validator...");
orValidator.Validate(null, valResults); // this will not cause a validation error
Console.WriteLine("Validating a string value using an Or Composite Validator...");
orValidator.Validate("MoreThan5Chars", valResults);
// Validate a single property of an existing class instance.
// First create a Product instance with an invalid ID value.
IProduct productWithID = new Product();
PopulateInvalidProduct(productWithID);
// Create a Property Value Validator that will use a RegexValidator
// to validate the property value.
Validator propValidator = new PropertyValueValidator <Product>("ID",
new RegexValidator("[A-Z]{2}[0-9]{4}", "Product ID must be 2 capital letters and 4 numbers."));
Console.WriteLine("Validating one property of an object using a Property Value Validator...");
propValidator.Validate(productWithID, valResults);
// Now display the results of all the previous validation operations.
ShowValidationResults(valResults);
}
static void CreatingAndUsingValidatorsDirectly()
{
// Create a Contains Characters Validator and use it to validate a String value.
Validator charsValidator = new ContainsCharactersValidator("cat", ContainsCharacters.All,
"Value must contain {4} of the characters '{3}'.");
Console.WriteLine("Validating a string value using a Contains Characters Validator...");
charsValidator.Tag = "Validating the String value 'disconnected'";
// This overload of the Validate method returns a new ValidationResults
// instance populated with any/all of the validation errors.
ValidationResults valResults = charsValidator.Validate("disconnected");
// Create a Domain Validator and use it to validate an Integer value.
Validator integerValidator = new DomainValidator<int>("Value must be in the list 1, 3, 7, 11, 13.",
new int[] { 1, 3, 7, 11, 13 });
integerValidator.Tag = "Validating the Integer value '42'";
Console.WriteLine("Validating an integer value using a Domain Validator...");
// This overload of the Validate method takes an existing ValidationResults
// instance and adds any/all of the validation errors to it.
integerValidator.Validate(42, valResults);
// Create an Or Composite Validator containing two validators.
// Note that the NotNullValidator is negated to allow NULL values.
Validator[] valArray = new Validator[] {
new NotNullValidator(true, "Value can be NULL."),
new StringLengthValidator(5, RangeBoundaryType.Inclusive, 5, RangeBoundaryType.Inclusive,
"Value must be between {3} ({4}) and {5} ({6}) chars.")
};
Validator orValidator = new OrCompositeValidator("Value can be NULL or a string of 5 characters.", valArray);
// Validate two strings using the Or Composite Validator.
Console.WriteLine("Validating a NULL value using an Or Composite Validator...");
orValidator.Validate(null, valResults); // this will not cause a validation error
Console.WriteLine("Validating a string value using an Or Composite Validator...");
orValidator.Validate("MoreThan5Chars", valResults);
// Validate a single property of an existing class instance.
// First create a Product instance with an invalid ID value.
IProduct productWithID = new Product();
PopulateInvalidProduct(productWithID);
// Create a Property Value Validator that will use a RegexValidator
// to validate the property value.
Validator propValidator = new PropertyValueValidator<Product>("ID",
new RegexValidator("[A-Z]{2}[0-9]{4}", "Product ID must be 2 capital letters and 4 numbers."));
Console.WriteLine("Validating one property of an object using a Property Value Validator...");
propValidator.Validate(productWithID, valResults);
// Now display the results of all the previous validation operations.
ShowValidationResults(valResults);
}
public PropertyValueValidator(string propertyName, Validator propertyValueValidator)
: base(PropertyValueValidator <T> .GetPropertyValueAccess(propertyName), propertyValueValidator)
{
}
