public void CustomValidation_Legal_Custom_Reference_Type()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidRefType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult(new BaseRefType(), context));
}
public void CustomValidation_Ctor_1_Param()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNoMessage");
Assert.AreEqual(typeof(MockValidator), cva.ValidatorType);
Assert.AreEqual("IsValidNoMessage", cva.Method);
}
public static void GetValidationResult_MethodReturnDerivedValidationResult_ReturnsExpected()
{
CustomValidationAttribute attribute = GetAttribute(nameof(CustomValidator.ValidationMethodDerivedReturnTypeReturnsSomeError));
ValidationResult validationResult = attribute.GetValidationResult(new object(), s_testValidationContext);
Assert.Equal(DerivedValidationResult.SomeError, validationResult);
}
public static CustomValidationAttribute CreateCustomAttribute(Type validatorType, string method, string errorMessage = null)
{
var returnValue = new CustomValidationAttribute(validatorType, method);
UpdateErrorMessage(returnValue, errorMessage);
return(returnValue);
}
private void WriteCustomValidation(ILWriter writer, PropertyInfo property, CustomValidationAttribute customValidationAttribute)
{
var validationKind = ValidationKind.Custom;
var validatorType = typeof(ICustomValidator <>).MakeGenericType(property.PropertyType);
if (!customValidationAttribute.ValidatorType.CanBe(validatorType))
{
var message = CommonErrors.CustomValidatorMustBeOfType.WithValues(property.ReflectedType.Name, property.Name, property.PropertyType.Name);
throw new IncorrectValidationAttributeException(typeof(CustomValidationAttribute), message);
}
var localValidator = writer.DeclareLocal(validatorType);
writer.New(customValidationAttribute.ValidatorType);
writer.SetLocal(localValidator);
var validate = KnownMetadata.Methods.ICustomValidator_OfType(property.PropertyType);
writer.LoadLocal(localValidator);
writer.LoadFirstParameter();
writer.GetPropertyValue(property);
writer.InstanceMethodCall(validate);
var end = writer.IfFalseThen();
WriteFailureResult(writer, validationKind, CommonResults.CustomValidationDidNotSucceed.WithValues(property.ReflectedType.Name, property.Name));
writer.Return();
writer.MarkLabel(end);
}
public void CustomValidation_Explicit_Null_Nullable_Value_Type()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNullableValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult(null, context));
}
public static void Ctor_Type_String(Type validatorType, string method)
{
CustomValidationAttribute attribute = new CustomValidationAttribute(validatorType, method);
Assert.Equal(validatorType, attribute.ValidatorType);
Assert.Equal(method, attribute.Method);
}
public void CustomValidation_Valid_Value_2_Param()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValid");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult("Fred", context));
}
public void CustomValidation_Invalid_Type_Reference_Type_Fails()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValid");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNotNull(cva.GetValidationResult(cva, context)); // cva is wrong type -- must be string
Assert.AreEqual("wrong is not valid.", cva.FormatErrorMessage("wrong"));
}
public void CustomValidation_Legal_Derived_Reference_Type()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidRefType");
DerivedRefType instance = new DerivedRefType();
ValidationContext context = new ValidationContext(instance, null, null);
Assert.IsNull(cva.GetValidationResult(instance, context));
}
public void CustomValidation_Illegal_SuperType_Reference_Type_Fails()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidRefType");
BaseBaseRefType instance = new BaseBaseRefType();
ValidationContext context = new ValidationContext(instance, null, null);
Assert.IsNotNull(cva.GetValidationResult(instance, context));
}
public void CustomValidation_NonConvertable_Nullable_Value_Type_Fails()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNullableValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNotNull(cva.GetValidationResult("fred", context));
Assert.AreEqual("type is not valid.", cva.FormatErrorMessage("type"));
}
public void FormatErrorMessage_NotPerformedValidation_ContainsName()
{
CustomValidationAttribute attribute = GetAttribute(nameof(CustomValidator.CorrectValidationMethodOneArg));
string errorMessage = attribute.FormatErrorMessage("name");
Assert.Contains("name", errorMessage);
Assert.Equal(errorMessage, attribute.FormatErrorMessage("name"));
}
public void CustomValidation_Out_of_Range_Value_Type_Fails()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
context.MemberName = "range";
Assert.IsNotNull(cva.GetValidationResult(-1, context));
Assert.AreEqual("wrong range", cva.FormatErrorMessage(""));
}
public void CustomValidation_Method_Throws() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "Throws");
Assert.AreEqual("Throws", cva.Method);
ValidationContext context = new ValidationContext(new object(), null, null);
ExceptionHelper.ExpectArgumentException(delegate() {
cva.GetValidationResult("Fred", context); // valid call, but this method throws
}, "o");
}
public static void Validate_IConvertibleThrowsCustomException_IsNotCaught()
{
CustomValidationAttribute attribute = GetAttribute(nameof(CustomValidator.CorrectValidationMethodOneArgInt));
Assert.Throws <ArithmeticException>(() => attribute.Validate(new IConvertibleImplementor()
{
IntThrow = new ArithmeticException()
}, s_testValidationContext));
}
public void CustomValidation_Invalid_Value_3_Param()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValid");
ValidationContext context = new ValidationContext(new object(), null, null);
context.MemberName = "member";
Assert.IsNotNull(cva.GetValidationResult("Joe", context));
Assert.AreEqual("$member", cva.FormatErrorMessage(""));
}
public void CustomValidation_CustomType_Succeeds()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidCustomType");
Customer cust = new Customer {
IsValid = true
};
ValidationContext context = new ValidationContext(cust, null, null);
Assert.IsNull(cva.GetValidationResult(cust, context));
}
public void CustomValidation_Invalid_Value_1_Param()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNoMessage");
cva.ErrorMessage = "The value '{0}' is bogus"; // to show we get message from ErrorMessage instead
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNotNull(cva.GetValidationResult("Joe", context));
Assert.AreEqual("The value 'joe' is bogus", cva.FormatErrorMessage("joe"));
}
public void FormatErrorMessage_PerformedValidation_DoesNotContainName()
{
CustomValidationAttribute attribute = GetAttribute(nameof(CustomValidator.CorrectValidationMethodOneArg));
Assert.False(attribute.IsValid(new TestClass("AnyString")));
string errorMessage = attribute.FormatErrorMessage("name");
Assert.DoesNotContain("name", errorMessage);
Assert.Equal(errorMessage, attribute.FormatErrorMessage("name"));
}
public void CustomValidation_Method_Throws()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "Throws");
Assert.AreEqual("Throws", cva.Method);
ValidationContext context = new ValidationContext(new object(), null, null);
ExceptionHelper.ExpectArgumentException(delegate() {
cva.GetValidationResult("Fred", context); // valid call, but this method throws
}, "o");
}
// Helper to assert the attribute fails with the expected error
private static void AssertFailure(CustomValidationAttribute cva, string expectedError)
{
ValidationContext context = new ValidationContext(new object(), null, null);
ExceptionHelper.ExpectException <InvalidOperationException>(delegate() {
cva.GetValidationResult(null, context);
}, expectedError);
ExceptionHelper.ExpectException <InvalidOperationException>(delegate() {
cva.FormatErrorMessage(string.Empty);
}, expectedError);
}
public static void RequiresValidationContext_Get_ReturnsExpected(string method, bool expected)
{
CustomValidationAttribute attribute = GetAttribute(method);
// The .NET Framework has a bug where CustomValidationAttribute doesn't
// validate the context. See https://github.com/dotnet/runtime/issues/21100.
if (PlatformDetection.IsNetFramework)
{
Assert.False(attribute.RequiresValidationContext);
}
else
{
Assert.Equal(expected, attribute.RequiresValidationContext);
}
}
public void Attributes_Cities_State_Name_Has_Expected_Validation_Attributes()
{
RequiredAttribute r = ExpectPropertyAttribute <RequiredAttribute>(typeof(State), "Name");
StringLengthAttribute sl = ExpectPropertyAttribute <StringLengthAttribute>(typeof(State), "Name");
Assert.AreEqual(2, sl.MaximumLength);
RegularExpressionAttribute regEx = ExpectPropertyAttribute <RegularExpressionAttribute>(typeof(State), "Name");
Assert.AreEqual("^[A-Z]*", regEx.Pattern);
CustomValidationAttribute custom = ExpectPropertyAttribute <CustomValidationAttribute>(typeof(State), "Name");
Assert.AreEqual(typeof(StateNameValidator), custom.ValidatorType);
Assert.AreEqual("IsStateNameValid", custom.Method);
}
public void CustomValidation_Legal_Convertible_Value_Type()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult(5, context));
Assert.IsNull(cva.GetValidationResult((byte)1, context));
Assert.IsNull(cva.GetValidationResult((short)2, context));
Assert.IsNull(cva.GetValidationResult((long)2, context));
Assert.IsNull(cva.GetValidationResult((uint)3, context));
Assert.IsNull(cva.GetValidationResult((ulong)3, context));
Assert.IsNull(cva.GetValidationResult(4.1f, context));
Assert.IsNull(cva.GetValidationResult(5.2d, context));
Assert.IsNull(cva.GetValidationResult("6", context));
Assert.IsNull(cva.GetValidationResult((decimal)7.33, context));
}
public static CustomValidationAttribute CreateCustomValidationAttribute(this XElement annotation)
{
const string NAME = "CustomValidation";
string name = annotation.Attribute(SchemaVocab.Name).Value;
if (name != NAME)
{
throw new ArgumentException(string.Format(SchemaMessages.ExpectedBut, NAME, name));
}
string type = annotation.GetArgumentValue("ValidatorType");
Type validatorType = GetType(type);
string method = annotation.GetArgumentValue("Method");
CustomValidationAttribute attribute = new CustomValidationAttribute(validatorType, method);
FillValidationAttribute(attribute, annotation);
return(attribute);
}
public override AttributeDeclaration GetAttributeDeclaration(Attribute attribute)
{
CustomValidationAttribute cva = (CustomValidationAttribute)attribute;
// Our convention is that parameter validation in the CVA occurs when it is
// first used. Simply ask the attribute to produce an error message, as this
// will trigger an InvalidOperationException if the attribute is ill-formed
cva.FormatErrorMessage(string.Empty);
// Delegate to the base implementation to generate the attribute.
// Note that the base implementation already checks that Types are
// shared so we do not perform that check here.
AttributeDeclaration attributeDeclaration = base.GetAttributeDeclaration(attribute);
attributeDeclaration.RequiredTypes.Add(cva.ValidatorType);
attributeDeclaration.RequiredMethods.Add(cva.ValidatorType.GetMethod(cva.Method));
return(attributeDeclaration);
}
public void Constructor()
{
var attr = new CustomValidationAttribute(null, "MyMethod");
Assert.IsNull(attr.ValidatorType, "#A1-1");
Assert.AreEqual("MyMethod", attr.Method, "#A1-2");
attr = new CustomValidationAttribute(typeof(string), null);
Assert.AreEqual(typeof(string), attr.ValidatorType, "#A2-1");
Assert.IsNull(attr.Method, "#A2-2");
attr = new CustomValidationAttribute(null, null);
Assert.IsNull(attr.ValidatorType, "#A3-1");
Assert.IsNull(attr.Method, "#A3-2");
attr = new CustomValidationAttribute(typeof(string), "NoSuchMethod");
Assert.AreEqual(typeof(string), attr.ValidatorType, "#A5-1");
Assert.AreEqual("NoSuchMethod", attr.Method, "#A5-2");
}
public void TypeId()
{
var attr = new CustomValidationAttribute(null, "MyMethod");
Assert.IsNotNull(attr.TypeId, "#A1-1");
Assert.AreEqual(typeof(Tuple <string, Type>), attr.TypeId.GetType(), "#A1-2");
var typeid = attr.TypeId as Tuple <string, Type>;
Assert.IsNotNull(typeid.Item1, "#A2-1");
Assert.AreEqual("MyMethod", typeid.Item1, "#A2-2");
Assert.IsNull(typeid.Item2, "#A2-3");
attr = new CustomValidationAttribute(typeof(CustomValidationAttributeTest), "MyMethod");
typeid = attr.TypeId as Tuple <string, Type>;
Assert.IsNotNull(typeid.Item1, "#A3-1");
Assert.AreEqual("MyMethod", typeid.Item1, "#A3-2");
Assert.IsNotNull(typeid.Item2, "#A3-3");
Assert.AreEqual(typeof(CustomValidationAttributeTest), typeid.Item2, "#A3-4");
var typeid2 = attr.TypeId as Tuple <string, Type>;
Assert.IsTrue(Object.ReferenceEquals(typeid, typeid2), "#A4");
}
public void CustomValidation_Legal_Convertible_Value_Type() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult(5, context));
Assert.IsNull(cva.GetValidationResult((byte)1, context));
Assert.IsNull(cva.GetValidationResult((short)2, context));
Assert.IsNull(cva.GetValidationResult((long)2, context));
Assert.IsNull(cva.GetValidationResult((uint)3, context));
Assert.IsNull(cva.GetValidationResult((ulong)3, context));
Assert.IsNull(cva.GetValidationResult(4.1f, context));
Assert.IsNull(cva.GetValidationResult(5.2d, context));
Assert.IsNull(cva.GetValidationResult("6", context));
Assert.IsNull(cva.GetValidationResult((decimal)7.33, context));
}
public void CustomValidation_Out_of_Range_Value_Type_Fails() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
context.MemberName = "range";
Assert.IsNotNull(cva.GetValidationResult(-1, context));
Assert.AreEqual("wrong range", cva.FormatErrorMessage(""));
}
public void CustomValidation_CustomType_Succeeds() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidCustomType");
Customer cust = new Customer { IsValid = true };
ValidationContext context = new ValidationContext(cust, null, null);
Assert.IsNull(cva.GetValidationResult(cust, context));
}
public static void FormatErrorMessage_BadlyFormed_ThrowsInvalidOperationException(Type validatorType, string method)
{
CustomValidationAttribute attribute = new CustomValidationAttribute(validatorType, method);
Assert.Throws<InvalidOperationException>(() => attribute.FormatErrorMessage("name"));
}
public void CustomValidation_Invalid_Value_3_Param() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValid");
ValidationContext context = new ValidationContext(new object(), null, null);
context.MemberName = "member";
Assert.IsNotNull(cva.GetValidationResult("Joe", context));
Assert.AreEqual("$member", cva.FormatErrorMessage(""));
}
public void CustomValidation_Invalid_Type_Reference_Type_Fails() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValid");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNotNull(cva.GetValidationResult(cva, context)); // cva is wrong type -- must be string
Assert.AreEqual("wrong is not valid.", cva.FormatErrorMessage("wrong"));
}
public void CustomValidation_Legal_Derived_Reference_Type() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidRefType");
DerivedRefType instance = new DerivedRefType();
ValidationContext context = new ValidationContext(instance, null, null);
Assert.IsNull(cva.GetValidationResult(instance, context));
}
// Helper to assert the attribute fails with the expected error
private static void AssertFailure(CustomValidationAttribute cva, string expectedError) {
ValidationContext context = new ValidationContext(new object(), null, null);
ExceptionHelper.ExpectException<InvalidOperationException>(delegate() {
cva.GetValidationResult(null, context);
}, expectedError);
ExceptionHelper.ExpectException<InvalidOperationException>(delegate() {
cva.FormatErrorMessage(string.Empty);
}, expectedError);
}
public void CustomValidation_Fail_Ctor_Empty_Method() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), string.Empty);
AssertFailure(cva, "The CustomValidationAttribute.Method was not specified.");
}
public void CustomValidation_Fail_Ctor_Non_Public() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(PrivateMockValidator), "IsValid");
AssertFailure(cva, "The custom validation type 'PrivateMockValidator' must be public.");
}
public void CustomValidation_Fail_Method_Not_Static() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "NotStatic");
AssertFailure(cva, String.Format(CultureInfo.CurrentCulture, Resources.DataAnnotationsResources.CustomValidationAttribute_Method_Not_Found, cva.Method, cva.ValidatorType.Name));
}
public void CustomValidation_Fail_Method_Void_Return() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "VoidReturn");
AssertFailure(cva, String.Format(CultureInfo.CurrentCulture, Resources.DataAnnotationsResources.CustomValidationAttribute_Method_Must_Return_ValidationResult, cva.Method, cva.ValidatorType.Name));
}
public static void RequiresValidationContext_BadlyFormed_ThrowsInvalidOperationException(Type validatorType, string method)
{
CustomValidationAttribute attribute = new CustomValidationAttribute(validatorType, method);
Assert.Throws<InvalidOperationException>(() => attribute.RequiresValidationContext);
}
public static void Constructor(Type validatorType, string method)
{
CustomValidationAttribute attribute = new CustomValidationAttribute(validatorType, method);
Assert.Equal(validatorType, attribute.ValidatorType);
Assert.Equal(method, attribute.Method);
}
public void CustomValidation_Ctor_1_Param() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNoMessage");
Assert.AreEqual(typeof(MockValidator), cva.ValidatorType);
Assert.AreEqual("IsValidNoMessage", cva.Method);
}
public void CustomValidation_Illegal_SuperType_Reference_Type_Fails() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidRefType");
BaseBaseRefType instance = new BaseBaseRefType();
ValidationContext context = new ValidationContext(instance, null, null);
Assert.IsNotNull(cva.GetValidationResult(instance, context));
}
public void CustomValidation_NonConvertable_Nullable_Value_Type_Fails() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNullableValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNotNull(cva.GetValidationResult("fred", context));
Assert.AreEqual("type is not valid.", cva.FormatErrorMessage("type"));
}
public void CustomValidation_Legal_Custom_Reference_Type() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidRefType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult(new BaseRefType(), context));
}
public void CustomValidation_Null_Nullable_Value_Type() {
int? nullableInt = null;
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNullableValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult(nullableInt, context));
}
public void CustomValidation_Invalid_Value_1_Param() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNoMessage");
cva.ErrorMessage = "The value '{0}' is bogus"; // to show we get message from ErrorMessage instead
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNotNull(cva.GetValidationResult("Joe", context));
Assert.AreEqual("The value 'joe' is bogus", cva.FormatErrorMessage("joe"));
}
public void CustomValidation_Fail_Ctor_Null_Type() {
CustomValidationAttribute cva = new CustomValidationAttribute(null, "IsValid");
AssertFailure(cva, "The CustomValidationAttribute.ValidatorType was not specified.");
}
public void CustomValidation_Legal_Nullable_Value_Type_Literal() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValidNullableValueType");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult(5, context));
}
public void CustomValidation_Valid_Value_2_Param() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "IsValid");
ValidationContext context = new ValidationContext(new object(), null, null);
Assert.IsNull(cva.GetValidationResult("Fred", context));
}
public void CustomValidation_Fail_Ctor_Non_Public()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(PrivateMockValidator), "IsValid");
AssertFailure(cva, "The custom validation type 'PrivateMockValidator' must be public.");
}
public static void Validate_BadlyFormed_ThrowsInvalidOperationException(Type validatorType, string method)
{
CustomValidationAttribute attribute = new CustomValidationAttribute(validatorType, method);
Assert.Throws<InvalidOperationException>(() => attribute.Validate("Does not matter", s_testValidationContext));
}
public void CustomValidation_Fail_Method_Not_Public()
{
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "NotPublic");
AssertFailure(cva, String.Format(CultureInfo.CurrentCulture, Resources.DataAnnotationsResources.CustomValidationAttribute_Method_Not_Found, cva.Method, cva.ValidatorType.Name));
}
public void CustomValidation_Fail_Method_Too_Many_Params() {
CustomValidationAttribute cva = new CustomValidationAttribute(typeof(MockValidator), "TooManyParams");
AssertFailure(cva, String.Format(CultureInfo.CurrentCulture, Resources.DataAnnotationsResources.CustomValidationAttribute_Method_Signature, cva.Method, cva.ValidatorType.Name));
}
