public void CreateValidators(ModelValidatorProviderContext context)
{
IStringLocalizer stringLocalizer = null;
if (_stringLocalizerFactory != null && _options.Value.DataAnnotationLocalizerProvider != null)
{
stringLocalizer = _options.Value.DataAnnotationLocalizerProvider(
context.ModelMetadata.ContainerType ?? context.ModelMetadata.ModelType,
_stringLocalizerFactory);
}
for (var i = 0; i < context.Results.Count; i++)
{
var validatorItem = context.Results[i];
if (validatorItem.Validator != null)
{
continue;
}
var attribute = validatorItem.ValidatorMetadata as ValidationAttribute;
if (attribute == null)
{
continue;
}
var validator = new DataAnnotationsModelValidator(
_validationAttributeAdapterProvider,
attribute,
stringLocalizer);
validatorItem.Validator = validator;
validatorItem.IsReusable = true;
// Inserts validators based on whether or not they are 'required'. We want to run
// 'required' validators first so that we get the best possible error message.
if (attribute is RequiredAttribute)
{
context.Results.Remove(validatorItem);
context.Results.Insert(0, validatorItem);
}
}
// Produce a validator if the type supports IValidatableObject
if (typeof(IValidatableObject).IsAssignableFrom(context.ModelMetadata.ModelType))
{
context.Results.Add(new ValidatorItem
{
Validator = new ValidatableObjectAdapter(),
IsReusable = true
});
}
}
public void Validate_CanUseRequestServices_WithinValidationAttribute()
{
// Arrange
var service = new Mock <IExampleService>();
service.Setup(x => x.DoSomething()).Verifiable();
var provider = new ServiceCollection().AddSingleton(service.Object).BuildServiceProvider();
var httpContext = new Mock <HttpContext>();
httpContext.SetupGet(x => x.RequestServices).Returns(provider);
var attribute = new Mock <TestableValidationAttribute> {
CallBase = true
};
attribute
.Setup(p => p.IsValidPublic(It.IsAny <object>(), It.IsAny <ValidationContext>()))
.Callback((object o, ValidationContext context) =>
{
var receivedService = context.GetService <IExampleService>();
Assert.Equal(service.Object, receivedService);
receivedService.DoSomething();
});
var validator = new DataAnnotationsModelValidator(
new ValidationAttributeAdapterProvider(),
attribute.Object,
stringLocalizer: null);
var validationContext = new ModelValidationContext(
actionContext: new ActionContext
{
HttpContext = httpContext.Object
},
modelMetadata: _metadataProvider.GetMetadataForType(typeof(object)),
metadataProvider: _metadataProvider,
container: null,
model: new object());
// Act
var results = validator.Validate(validationContext);
// Assert
service.Verify();
}
public void Validate_RequiredAndNotNullAtTopLevel_Valid()
{
// Arrange
var metadata = _metadataProvider.GetMetadataForProperty(typeof(string), "Length");
var validator = new DataAnnotationsModelValidator(
new ValidationAttributeAdapterProvider(),
new RequiredAttribute(),
stringLocalizer: null);
var validationContext = new ModelValidationContext(
actionContext: new ActionContext(),
modelMetadata: metadata,
metadataProvider: _metadataProvider,
container: null,
model: 123);
// Act
var result = validator.Validate(validationContext);
// Assert
Assert.Empty(result);
}
public void Validate_SetsMemberName_AsExpected(
ModelMetadata metadata,
object container,
object model,
string expectedMemberName)
{
// Arrange
var attribute = new Mock <TestableValidationAttribute> {
CallBase = true
};
attribute
.Setup(p => p.IsValidPublic(It.IsAny <object>(), It.IsAny <ValidationContext>()))
.Callback((object o, ValidationContext context) =>
{
Assert.Equal(expectedMemberName, context.MemberName);
})
.Returns(ValidationResult.Success)
.Verifiable();
var validator = new DataAnnotationsModelValidator(
new ValidationAttributeAdapterProvider(),
attribute.Object,
stringLocalizer: null);
var validationContext = new ModelValidationContext(
actionContext: new ActionContext(),
modelMetadata: metadata,
metadataProvider: _metadataProvider,
container: container,
model: model);
// Act
var results = validator.Validate(validationContext);
// Assert
Assert.Empty(results);
attribute.VerifyAll();
}
public void Validate_RequiredButNullAtTopLevel_Invalid()
{
// Arrange
var metadata = _metadataProvider.GetMetadataForProperty(typeof(string), "Length");
var validator = new DataAnnotationsModelValidator(
new ValidationAttributeAdapterProvider(),
new RequiredAttribute(),
stringLocalizer: null);
var validationContext = new ModelValidationContext(
actionContext: new ActionContext(),
modelMetadata: metadata,
metadataProvider: _metadataProvider,
container: null,
model: null);
// Act
var result = validator.Validate(validationContext);
// Assert
var validationResult = result.Single();
Assert.Empty(validationResult.MemberName);
Assert.Equal(new RequiredAttribute().FormatErrorMessage("Length"), validationResult.Message);
}
public void CreateValidators(ModelValidatorProviderContext context)
{
for (var i = 0; i < context.Results.Count; i++)
{
var validatorItem = context.Results[i];
if (validatorItem.Validator != null)
{
continue;
}
var attribute = validatorItem.ValidatorMetadata as ValidationAttribute;
if (attribute == null)
{
continue;
}
var validator = new DataAnnotationsModelValidator(
new ValidationAttributeAdapterProvider(),
attribute,
stringLocalizer: null);
validatorItem.Validator = validator;
if (attribute is RequiredAttribute)
{
validatorItem.IsReusable = true;
}
}
}