public void Validate_can_validate_all_attributes()
{
// Arrange
var model = new ClassWithMultiValidationAttributes
{
Company = "My Company Name"
};
// Action
var metaData = new ModelMetadata(ModelMetadataProviders.Current,
null,
() => model,
typeof(ClassWithMultiValidationAttributes),
null);
var validator = ModelValidator.GetModelValidator(metaData);
var result = validator.Validate(model).ToList();
// Assert
Assert.AreEqual(2, result.Count());
Assert.AreEqual("The Name field is required.", result[0].Message);
Assert.AreEqual("ClassWithMultiValidationAttributes.Name", result[0].MemberName);
Assert.AreEqual("The field Company must be a string with a maximum length of 6.", result[1].Message);
Assert.AreEqual("ClassWithMultiValidationAttributes.Company", result[1].MemberName);
}
/// <summary>
/// Binds the model, and honours any validation attributes set on dyanmically inserted form elements, by using the specified controller context and binding context.
/// </summary>
/// <param name="controllerContext">The context within which the controller operates. The context information includes the controller, HTTP content, request context, and route data.</param>
/// <param name="bindingContext">The context within which the model is bound. The context includes information such as the model object, model name, model type, property filter, and value provider.</param>
/// <returns>
/// The bound object.
/// </returns>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="bindingContext "/>parameter is null.</exception>
public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
if (bindingContext.Model != null)
{
return(bindingContext.Model);
}
var model = base.BindModel(controllerContext, bindingContext);
var adminViewModel = model as AdminViewModel;
if (adminViewModel == null)
{
return(model);
}
var criteriaValue = bindingContext.ValueProvider.GetValue(ValidationPropertyName);
adminViewModel.CriteriaModel.Criteria = criteriaValue != null ? criteriaValue.AttemptedValue : string.Empty;
ModelMetadata modelMetadata = ModelMetadataProviders.Current.GetMetadataForType(() => adminViewModel.CriteriaModel, typeof(ICriteriaModel));
ModelValidator compositeValidator = ModelValidator.GetModelValidator(modelMetadata, controllerContext);
foreach (ModelValidationResult result in compositeValidator.Validate(null))
{
bindingContext.ModelState.AddModelError(ValidationPropertyName, result.Message);
}
return(model);
}
/// <summary>
/// 验证实例 model 数据
/// </summary>
/// <typeparam name="T">实例的类型</typeparam>
/// <param name="model">实例</param>
/// <param name="validationResult">错误信息</param>
/// <returns>验证通过 true 不通过 false</returns>
public static bool Validate <T>(T model, out List <ModelValidationResult> validationResult)
{
var modelMetadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, typeof(T));
validationResult = ModelValidator.GetModelValidator(modelMetadata, new ControllerContext()).Validate(null).ToList();
return(validationResult.Count == 0);
}
public void GetModelValidatorWithFailedPropertyValidatorsPreventsTypeValidatorFromRunning()
{
// Arrange
ControllerContext context = new ControllerContext();
DataErrorInfo1 model = new DataErrorInfo1 {
Error = "Some Type Error"
};
model["SomeStringProperty"] = "Some Property Error";
model["SomeOtherStringProperty"] = "Some Other Property Error";
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(
() => model,
model.GetType()
);
ModelValidator validator = ModelValidator.GetModelValidator(metadata, context);
// Act
List <ModelValidationResult> result = validator.Validate(null).ToList();
// Assert
Assert.Equal(2, result.Count);
Assert.Equal("SomeStringProperty", result[0].MemberName);
Assert.Equal("Some Property Error", result[0].Message);
Assert.Equal("SomeOtherStringProperty", result[1].MemberName);
Assert.Equal("Some Other Property Error", result[1].Message);
}
public void Validate_can_validate_nested_item_in_list()
{
// Arrange
var model = new ParentClass
{
Children = new List <NestedClass>
{
new NestedClass
{
Name = "Van Thoai Nguyen"
}
}
};
// Action
var metaData = new ModelMetadata(ModelMetadataProviders.Current,
null,
() => model,
typeof(ParentClass),
null);
var validator = ModelValidator.GetModelValidator(metaData);
var result = validator.Validate(model).ToList();
// Assert
Assert.AreEqual(1, result.Count());
Assert.AreEqual("The field Name must be a string with a maximum length of 5.", result[0].Message);
Assert.AreEqual("ParentClass.Children[0].Name", result[0].MemberName);
}
public IEnumerable <ModelValidationResult> ValidateModel(Type modelType, object modelValue, ControllerContext controllerContext)
{
var modelMetadata = ModelMetadataProvider.GetMetadataForType(() => modelValue, modelType);
var validator = ModelValidator.GetModelValidator(modelMetadata, controllerContext);
return(validator.Validate(null));
}
public void GetModelValidator_DoesNotReadPropertyValues()
{
ModelValidatorProvider[] originalProviders = ModelValidatorProviders.Providers.ToArray();
try
{
// Arrange
ModelValidatorProviders.Providers.Clear();
ModelValidatorProviders.Providers.Add(new ObservableModelValidatorProvider());
ObservableModel model = new ObservableModel();
ModelMetadata metadata = new EmptyModelMetadataProvider().GetMetadataForType(() => model, typeof(ObservableModel));
ControllerContext controllerContext = new ControllerContext();
// Act
ModelValidator validator = ModelValidator.GetModelValidator(metadata, controllerContext);
ModelValidationResult[] results = validator.Validate(model).ToArray();
// Assert
Assert.False(model.PropertyWasRead());
}
finally
{
ModelValidatorProviders.Providers.Clear();
foreach (ModelValidatorProvider provider in originalProviders)
{
ModelValidatorProviders.Providers.Add(provider);
}
}
}
private static ModelValidator GetModelValidator(this object model, ControllerBase controller)
{
return(ModelValidator.GetModelValidator(
ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType()),
controller.ControllerContext
));
}
public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
object model = bindingContext.ModelMetadata.Model = base.BindModel(controllerContext, bindingContext);
ModelMetadata metadata = bindingContext.ModelMetadata;
if (metadata.IsComplexType || null == model)
{
return(model);
}
//针对简单类型的Model验证
Dictionary <string, bool> dictionary = new Dictionary <string, bool>(StringComparer.OrdinalIgnoreCase);
foreach (ModelValidationResult result in ModelValidator.GetModelValidator(metadata, controllerContext).Validate(null))
{
string key = bindingContext.ModelName;
if (!dictionary.ContainsKey(key))
{
dictionary[key] = bindingContext.ModelState.IsValidField(key);
}
if (dictionary[key])
{
bindingContext.ModelState.AddModelError(key, result.Message);
}
}
return(model);
}
public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
object model = null;
try
{
var strJson = controllerContext.HttpContext.Request.Params[bindingContext.ModelName];
if (string.IsNullOrEmpty(strJson))
{
return(null);
}
model = JsonConvert.DeserializeObject(strJson, bindingContext.ModelType);
var modelMetaData = ModelMetadataProviders.Current
.GetMetadataForType(() => model, bindingContext.ModelType);
var validator = ModelValidator
.GetModelValidator(modelMetaData, controllerContext);
var validationResult = validator.Validate(null);
foreach (var item in validationResult)
{
bindingContext.ModelState
.AddModelError(item.MemberName, item.Message);
}
}
catch (Exception ex)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelType.Name, ex.Message);
}
return(model);
}
/// <summary>
/// The method is copied from base class (base.OnModelUpdated(controllerContext, bindingContext))
/// and modified. Modified region is commented in the method source code.
/// </summary>
protected override void OnModelUpdated(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
var startedValid = new Dictionary <string, bool>(StringComparer.OrdinalIgnoreCase);
foreach (ModelValidationResult validationResult in ModelValidator.GetModelValidator(bindingContext.ModelMetadata, controllerContext).Validate(null))
{
// START added code
var propertyMetadata = bindingContext.PropertyMetadata[validationResult.MemberName];
var customAttributes = bindingContext.ModelType.GetProperty(propertyMetadata.PropertyName)
.GetCustomAttributes(typeof(SkipValidationIfAttribute), true)
.Cast <SkipValidationIfAttribute>();
if (customAttributes.Any(a => a.ShouldSkipValidation(controllerContext, bindingContext, propertyMetadata, validationResult)))
{
continue;
}
// END added code
string subPropertyName = CreateSubPropertyName(bindingContext.ModelName, validationResult.MemberName);
if (!startedValid.ContainsKey(subPropertyName))
{
startedValid[subPropertyName] = bindingContext.ModelState.IsValidField(subPropertyName);
}
if (startedValid[subPropertyName])
{
bindingContext.ModelState.AddModelError(subPropertyName, validationResult.Message);
}
}
}
private static IEnumerable <ModelValidationResult> GetModelValidationResults <T>(T model)
{
var modelMetadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, typeof(T));
/* build a stub controller context */
var controllerContext = Fake.ControllerContext.Build();
var validator = ModelValidator.GetModelValidator(modelMetadata, controllerContext);
return(validator.Validate(null));
}
public override object BindModel(ControllerContext controllerContext,
ModelBindingContext bindingContext)
{
TEntity entity = base.BindModel(controllerContext, bindingContext) as TEntity;
_repositoryFactory = DependencyResolverProxy.Resolver.GetService <IRepositoryFactory>();
foreach (var property in entity.GetEnumerableProperties())
{
Type[] collectionTypes = property.PropertyType.GetGenericArguments();
if (collectionTypes.Length > 0)
{
var providerResult = bindingContext.ValueProvider.GetValue(property.Name);
if (providerResult != null)
{
string[] ids = providerResult.RawValue as string[];
if (ids != null)
{
var targetType = property.PropertyType.GetGenericArguments()[0];
var repositoryGetMethod = _repositoryFactory.GetType().GetMethod("Get");
var genericGetMethod = repositoryGetMethod.MakeGenericMethod(targetType);
var repository = genericGetMethod.Invoke(_repositoryFactory, null);
var collection = property.GetValue(entity, null);
var find = repository.GetType().GetMethods().Where(m => m.Name.Equals("Find") &&
m.ReturnType == targetType).Single();
var add = collection.GetType().GetMethod("Add");
foreach (var idString in ids)
{
int id;
if (int.TryParse(idString, out id))
{
var collectionInstance = find.Invoke(repository,
new object[] { new object[] { id } });
var collectionEntity = add.Invoke(collection,
new object[] { collectionInstance });
}
}
}
}
}
}
bindingContext.ModelState.Clear();
var metaData = ModelMetadataProviders.Current.GetMetadataForType(() => entity, typeof(TEntity));
var validator = ModelValidator.GetModelValidator(metaData, controllerContext);
validator.Validate(null).ToList().ForEach(result =>
{
bindingContext.ModelState.AddModelError(result.MemberName, result.Message);
});
return(entity);
}
protected override void OnModelUpdated(ControllerContext controllerContext, ModelBindingContext bindingContext) {
foreach (var validationResult in ModelValidator.GetModelValidator(bindingContext.ModelMetadata, controllerContext).Validate(null)) {
string subPropertyName = CreateSubPropertyName(bindingContext.ModelName, validationResult.MemberName);
if (bindingContext.PropertyFilter(subPropertyName)) {
if (bindingContext.ModelState.IsValidField(subPropertyName)) {
bindingContext.ModelState.AddModelError(subPropertyName, validationResult.Message);
}
}
}
}
public void Validate_on_basic_types()
{
// Arrange
var model = "Thoai";
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType());
var validator = ModelValidator.GetModelValidator(metadata);
// Action
var result = validator.Validate(model);
// Assert
Assert.AreEqual(0, result.Count());
}
public static void Revalidate(this Controller controller, object model)
{
var modelState = controller.ModelState;
if (!modelState.IsValid)
{
modelState.Clear();
ModelMetadata modelMetadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType());
ModelValidator compositeValidator = ModelValidator.GetModelValidator(modelMetadata, controller.ControllerContext);
foreach (ModelValidationResult result in compositeValidator.Validate(null))
{
modelState.AddModelError(result.MemberName, result.Message);
}
}
}
protected bool TryValidateModel(object model, string prefix)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType());
foreach (ModelValidationResult validationResult in ModelValidator.GetModelValidator(metadata, this.ViewContext).Validate(null))
{
this.ModelState.AddModelError(CreateSubPropertyName(prefix, validationResult.MemberName), validationResult.Message);
}
return(this.ModelState.IsValid);
}
/// <summary>
/// Revalidates the model passed as the first parameter.
/// </summary>
/// <param name="model">The model instance you wish to validate.</param>
/// <returns></returns>
protected internal bool TryValidateModel(object model)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
System.Web.ModelBinding.ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType());
var t = new ModelBindingExecutionContext(new HttpContextWrapper(HttpContext.Current), new System.Web.ModelBinding.ModelStateDictionary());
foreach (ModelValidationResult validationResult in ModelValidator.GetModelValidator(metadata, t).Validate(null))
{
ModelState.AddModelError(validationResult.MemberName, validationResult.Message);
}
return ModelState.IsValid;
}
public void GetModelValidatorWithPropertyLevelValidator()
{
// Arrange
ControllerContext context = new ControllerContext();
DataErrorInfo1 model = new DataErrorInfo1();
model["SomeStringProperty"] = "Some Property Error";
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType());
ModelValidator validator = ModelValidator.GetModelValidator(metadata, context);
// Act
ModelValidationResult result = validator.Validate(null).Single();
// Assert
Assert.Equal("SomeStringProperty", result.MemberName);
Assert.Equal("Some Property Error", result.Message);
}
public void Test_complex_validation()
{
// Arrange
var order = new Order
{
OrderId = 1,
FirstOrderDetail = new OrderDetail
{
OrderId = 1,
Price = 100,
ProductName = "P123456"
},
Details = new List <OrderDetail>
{
new OrderDetail
{
OrderId = 1,
Price = 100,
ProductName = "P123456"
},
new OrderDetail
{
OrderId = 1,
Price = 200,
ProductName = "P2"
}
}
};
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(() => order, order.GetType());
// Action
var validator = ModelValidator.GetModelValidator(metadata);
var validationResults = validator.Validate(null).ToList();
// Assert
Assert.AreEqual(2, validationResults.Count());
Assert.AreEqual("Order.Details[0].ProductName", validationResults[0].MemberName);
Assert.AreEqual("The field ProductName must be a string with a maximum length of 5.", validationResults[0].Message);
Assert.AreEqual("Order.FirstOrderDetail.ProductName", validationResults[1].MemberName);
Assert.AreEqual("The field ProductName must be a string with a maximum length of 5.", validationResults[1].Message);
}
protected override void OnModelUpdated(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
var startedValid = new Dictionary <string, bool>(StringComparer.OrdinalIgnoreCase);
foreach (var validationResult in ModelValidator.GetModelValidator(bindingContext.ModelMetadata, controllerContext).Validate(null))
{
var subPropertyName = CreateSubPropertyName(bindingContext.ModelType.Name, validationResult.MemberName);
if (!startedValid.ContainsKey(subPropertyName))
{
startedValid[subPropertyName] = bindingContext.ModelState.IsValidField(subPropertyName);
}
if (startedValid[subPropertyName])
{
bindingContext.ModelState.AddModelError(subPropertyName, validationResult.Message);
}
}
}
protected internal bool TryValidateModel(object model, string prefix, out string _modelError)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType()); //using System.Web.ModelBinding;
var t = new ModelBindingExecutionContext(new HttpContextWrapper(HttpContext.Current), new System.Web.ModelBinding.ModelStateDictionary()); //using System.Web;
foreach (ModelValidationResult validationResult in ModelValidator.GetModelValidator(metadata, t).Validate(null))
{
ModelState.AddModelError(validationResult.MemberName, validationResult.Message);
}
_modelError = string.Join(" | ", ModelState.Values
.SelectMany(v => v.Errors)
.Select(e => e.ErrorMessage));
return(ModelState.IsValid);
}
public void Validate_can_validate_on_null_but_required_complex_property()
{
// Arrange
var model = new ParentClassWithARequiredProperty();
// Action
var metaData = new ModelMetadata(ModelMetadataProviders.Current,
null,
() => model,
typeof(ParentClassWithARequiredProperty),
null);
var validator = ModelValidator.GetModelValidator(metaData);
var result = validator.Validate(model).ToList();
// Assert
Assert.AreEqual(1, result.Count());
Assert.AreEqual("The IamRequired field is required.", result[0].Message);
Assert.AreEqual("ParentClassWithARequiredProperty.IamRequired", result[0].MemberName);
}
protected override void OnModelUpdated(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
//base.OnModelUpdated(controllerContext, bindingContext);
//start reflected code
Dictionary <string, bool> dictionary = new Dictionary <string, bool>((IEqualityComparer <string>)StringComparer.OrdinalIgnoreCase);
foreach (ModelValidationResult validationResult in ModelValidator.GetModelValidator(bindingContext.ModelMetadata, controllerContext).Validate((object)null))
{
string subPropertyName = DefaultModelBinder.CreateSubPropertyName(bindingContext.ModelName, validationResult.MemberName);
if (!dictionary.ContainsKey(subPropertyName))
{
dictionary[subPropertyName] = bindingContext.ModelState.IsValidField(subPropertyName);
}
if (dictionary[subPropertyName])
{
bindingContext.ModelState.AddModelError(subPropertyName, validationResult.Message);
}
}
//end reflected code
}
public void Validate_does_not_validate_require_rule_by_default()
{
// Arrange
var model = new NestedClass
{
Name = null
};
// Action
var metaData = new ModelMetadata(ModelMetadataProviders.Current,
null,
() => model,
typeof(NestedClass),
null);
var validator = ModelValidator.GetModelValidator(metaData);
var result = validator.Validate(model).ToList();
// Assert
Assert.AreEqual(0, result.Count());
}
protected ModelStateDictionary ValidateModel(object model)
{
ControllerContext controllerContext = null;
if (HttpContext.Current != null)
{
var controller = HttpContext.Current.Items["RequestContextController"] as Controller;
controllerContext = controller.ControllerContext;
}
if (controllerContext == null)
{
controllerContext = new ControllerContext();
}
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
var method_CreateSubPropertyName = typeof(DefaultModelBinder).GetMethod("CreateSubPropertyName", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic);
if (method_CreateSubPropertyName == null)
{
throw new MissingMethodException(nameof(DefaultModelBinder), "CreateSubPropertyName");
}
var metadataForType = ModelMetadataProviders.Current.GetMetadataForType(() => model, model.GetType());
var modelState = new ModelStateDictionary();
foreach (var current in ModelValidator.GetModelValidator(metadataForType, controllerContext).Validate(null))
{
var key = method_CreateSubPropertyName.Invoke(null, new object[] { string.Empty, current.MemberName }) as string;
modelState.AddModelError(key, current.Message);
}
return(modelState);
}
public ActionResult Index()
{
Address address = new Address
{
Province = "江苏",
City = "苏州",
District = "工业园区",
Street = "星湖街328号"
};
Contact contact = new Contact
{
Name = "张三",
PhoneNo = "123456789",
EmailAddress = "*****@*****.**",
Address = address
};
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(() => contact, typeof(Contact));
ModelValidator validator = ModelValidator.GetModelValidator(metadata, ControllerContext);
return(View(validator.Validate(contact)));
}