/// <summary>
/// Creates a new <see cref="ValidationVisitor"/>.
/// </summary>
/// <param name="actionContext">The <see cref="ActionContext"/> associated with the current request.</param>
/// <param name="validatorProvider">The <see cref="IModelValidatorProvider"/>.</param>
/// <param name="validatorCache">The <see cref="ValidatorCache"/> that provides a list of <see cref="IModelValidator"/>s.</param>
/// <param name="metadataProvider">The provider used for reading metadata for the model type.</param>
/// <param name="validationState">The <see cref="ValidationStateDictionary"/>.</param>
public ValidationVisitor(
ActionContext actionContext,
IModelValidatorProvider validatorProvider,
#pragma warning disable PUB0001 // Pubternal type in public API
ValidatorCache validatorCache,
#pragma warning restore PUB0001
IModelMetadataProvider metadataProvider,
ValidationStateDictionary validationState)
{
if (actionContext == null)
{
throw new ArgumentNullException(nameof(actionContext));
}
if (validatorProvider == null)
{
throw new ArgumentNullException(nameof(validatorProvider));
}
if (validatorCache == null)
{
throw new ArgumentNullException(nameof(validatorCache));
}
Context = actionContext;
ValidatorProvider = validatorProvider;
Cache = validatorCache;
MetadataProvider = metadataProvider;
ValidationState = validationState;
ModelState = actionContext.ModelState;
CurrentPath = new ValidationStack();
}
/// <summary>
/// Creates a new <see cref="ValidationVisitor"/>.
/// </summary>
/// <param name="actionContext">The <see cref="ActionContext"/> associated with the current request.</param>
/// <param name="validatorProvider">The <see cref="IModelValidatorProvider"/>.</param>
/// <param name="validatorCache">The <see cref="ValidatorCache"/> that provides a list of <see cref="IModelValidator"/>s.</param>
/// <param name="metadataProvider">The provider used for reading metadata for the model type.</param>
/// <param name="validationState">The <see cref="ValidationStateDictionary"/>.</param>
public ValidationVisitor(
ActionContext actionContext,
IModelValidatorProvider validatorProvider,
ValidatorCache validatorCache,
IModelMetadataProvider metadataProvider,
ValidationStateDictionary validationState)
{
if (actionContext == null)
{
throw new ArgumentNullException(nameof(actionContext));
}
if (validatorProvider == null)
{
throw new ArgumentNullException(nameof(validatorProvider));
}
if (validatorCache == null)
{
throw new ArgumentNullException(nameof(validatorCache));
}
_actionContext = actionContext;
_validatorProvider = validatorProvider;
_validatorCache = validatorCache;
_metadataProvider = metadataProvider;
_validationState = validationState;
_modelState = actionContext.ModelState;
_currentPath = new ValidationStack();
}
public void GetValidators_DoesNotCacheValidatorsWithIsReusableFalse()
{
// Arrange
var cache = new ValidatorCache();
var metadata = new TestModelMetadataProvider().GetMetadataForProperty(typeof(TypeWithProperty), "Property1");
var validatorProvider = new ProviderWithNonReusableValidators();
// Act - 1
var validators1 = cache.GetValidators(metadata, validatorProvider);
// Assert - 1
var validator1 = Assert.IsType <DataAnnotationsModelValidator>(validators1[0]);
var validator2 = Assert.IsType <DataAnnotationsModelValidator>(validators1[1]);
Assert.Contains(validator1.Attribute, metadata.ValidatorMetadata); // Copied by provider
Assert.Contains(validator2.Attribute, metadata.ValidatorMetadata); // Copied by provider
// Act - 2
var validators2 = cache.GetValidators(metadata, validatorProvider);
// Assert - 2
Assert.NotSame(validators1, validators2);
var requiredValidator = Assert.Single(validators2.Where(v => (v as DataAnnotationsModelValidator).Attribute is RequiredAttribute));
Assert.Contains(requiredValidator, validators1); // cached
var stringLengthValidator = Assert.Single(validators2.Where(v => (v as DataAnnotationsModelValidator).Attribute is StringLengthAttribute));
Assert.DoesNotContain(stringLengthValidator, validators1); // not cached
}
public void GetValidators_CachesAllValidators()
{
// Arrange
var cache = new ValidatorCache();
var metadata = new TestModelMetadataProvider().GetMetadataForProperty(typeof(TypeWithProperty), "Property1");
var validatorProvider = TestModelValidatorProvider.CreateDefaultProvider();
// Act - 1
var validators1 = cache.GetValidators(metadata, validatorProvider);
// Assert - 1
var attribute1 = Assert.IsType <DataAnnotationsModelValidator>(validators1[0]).Attribute;
var attribute2 = Assert.IsType <DataAnnotationsModelValidator>(validators1[1]).Attribute;
Assert.Contains(attribute1, metadata.ValidatorMetadata); // Copied by provider
Assert.Contains(attribute2, metadata.ValidatorMetadata); // Copied by provider
// Act - 2
var validators2 = cache.GetValidators(metadata, validatorProvider);
// Assert - 2
Assert.Same(validators1, validators2);
Assert.Contains(validators1[0], validators2); // Cached
Assert.Contains(validators1[1], validators2); // Cached
}
/// <summary>
/// Creates a new <see cref="ValidationVisitor"/>.
/// </summary>
/// <param name="actionContext">The <see cref="ActionContext"/> associated with the current request.</param>
/// <param name="validatorProvider">The <see cref="IModelValidatorProvider"/>.</param>
/// <param name="validatorCache">The <see cref="ValidatorCache"/> that provides a list of <see cref="IModelValidator"/>s.</param>
/// <param name="metadataProvider">The provider used for reading metadata for the model type.</param>
/// <param name="validationState">The <see cref="ValidationStateDictionary"/>.</param>
public ValidationVisitor(
ActionContext actionContext,
IModelValidatorProvider validatorProvider,
ValidatorCache validatorCache,
IModelMetadataProvider metadataProvider,
ValidationStateDictionary validationState)
{
if (actionContext == null)
{
throw new ArgumentNullException(nameof(actionContext));
}
if (validatorProvider == null)
{
throw new ArgumentNullException(nameof(validatorProvider));
}
if (validatorCache == null)
{
throw new ArgumentNullException(nameof(validatorCache));
}
_actionContext = actionContext;
_validatorProvider = validatorProvider;
_validatorCache = validatorCache;
_metadataProvider = metadataProvider;
_validationState = validationState;
_modelState = actionContext.ModelState;
_currentPath = new HashSet <object>(ReferenceEqualityComparer.Instance);
}
public override ValidationVisitor GetValidationVisitor(
ActionContext actionContext,
IModelValidatorProvider validatorProvider,
ValidatorCache validatorCache,
IModelMetadataProvider metadataProvider,
ValidationStateDictionary validationState)
{
var visitor = new ValidationVisitor(
actionContext,
validatorProvider,
validatorCache,
metadataProvider,
validationState)
{
MaxValidationDepth = _mvcOptions.MaxValidationDepth,
};
return(visitor);
}
public override ValidationVisitor GetValidationVisitor(
ActionContext actionContext,
IModelValidatorProvider validatorProvider,
ValidatorCache validatorCache,
IModelMetadataProvider metadataProvider,
ValidationStateDictionary validationState)
{
var visitor = new ValidationVisitor(
actionContext,
validatorProvider,
validatorCache,
metadataProvider,
validationState);
visitor.MaxValidationDepth = _mvcOptions.MaxValidationDepth;
visitor.AllowShortCircuitingValidationWhenNoValidatorsArePresent = _mvcOptions.AllowShortCircuitingValidationWhenNoValidatorsArePresent;
return(visitor);
}
