public void SetProperty_SettingNullableTypeToNull_RequiredValidatorPresent_PropertySetterThrows_AddsRequiredMessageString()
{
// Arrange
HttpActionContext context = ContextUtil.CreateActionContext();
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = GetMetadataForObject(new ModelWhosePropertySetterThrows()),
ModelName = "foo"
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "Name");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo.Name");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
ModelValidator requiredValidator = context.GetValidators(propertyMetadata).Where(v => v.IsRequired).FirstOrDefault();
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(context, bindingContext, propertyMetadata, dtoResult, requiredValidator);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
Assert.Equal(1, bindingContext.ModelState["foo.Name"].Errors.Count);
Assert.Equal("This message comes from the [Required] attribute.", bindingContext.ModelState["foo.Name"].Errors[0].ErrorMessage);
}
internal static bool ValidateObject(object o, List <ValidationResultInfo> validationErrors, HttpActionContext actionContext)
{
// create a model validation node for the object
ModelMetadataProvider metadataProvider = actionContext.GetMetadataProvider();
string modelStateKey = String.Empty;
ModelValidationNode validationNode = CreateModelValidationNode(o, metadataProvider, actionContext.ModelState, modelStateKey);
validationNode.ValidateAllProperties = true;
// add the node to model state
ModelState modelState = new ModelState();
modelState.Value = new ValueProviderResult(o, String.Empty, CultureInfo.CurrentCulture);
actionContext.ModelState.Add(modelStateKey, modelState);
// invoke validation
validationNode.Validate(actionContext);
if (!actionContext.ModelState.IsValid)
{
foreach (var modelStateItem in actionContext.ModelState)
{
foreach (ModelError modelError in modelStateItem.Value.Errors)
{
validationErrors.Add(new ValidationResultInfo(modelError.ErrorMessage, new string[] { modelStateItem.Key }));
}
}
}
return(actionContext.ModelState.IsValid);
}
public void SetProperty_PropertyIsSettable_CallsSetter()
{
// Arrange
Person model = new Person();
HttpActionContext context = ContextUtil.CreateActionContext();
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = GetMetadataForObject(model)
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfBirth");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(new DateTime(2001, 1, 1), validationNode);
ModelValidator requiredValidator = context.GetValidators(propertyMetadata).Where(v => v.IsRequired).FirstOrDefault();
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(context, bindingContext, propertyMetadata, dtoResult, requiredValidator);
// Assert
validationNode.Validate(context);
Assert.True(context.ModelState.IsValid);
Assert.Equal(new DateTime(2001, 1, 1), model.DateOfBirth);
}
public void SetProperty_SettingNullableTypeToNull_RequiredValidatorPresent_PropertySetterThrows_AddsRequiredMessageString()
{
// Arrange
ControllerContext controllerContext = new ControllerContext()
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext()
{
ModelMetadata = GetMetadataForObject(new ModelWhosePropertySetterThrows()),
ModelName = "foo"
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "Name");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo.Name");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.IsFalse(bindingContext.ModelState.IsValid, "ModelState should've been marked invalid.");
Assert.AreEqual(1, bindingContext.ModelState["foo.Name"].Errors.Count);
Assert.AreEqual("This message comes from the [Required] attribute.", bindingContext.ModelState["foo.Name"].Errors[0].ErrorMessage);
}
public Task <ModelBindingResult> BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext.ModelType != typeof(Address))
{
return(null);
}
var address = new Address()
{
Street = "SomeStreet"
};
bindingContext.ModelState.SetModelValue(
ModelNames.CreatePropertyModelName(bindingContext.ModelName, "Street"),
new ValueProviderResult(
address.Street,
address.Street,
CultureInfo.CurrentCulture));
var validationNode = new ModelValidationNode(
bindingContext.ModelName,
bindingContext.ModelMetadata,
address)
{
ValidateAllProperties = true
};
return(Task.FromResult(new ModelBindingResult(address, bindingContext.ModelName, true, validationNode)));
}
public void SetProperty_PropertyIsSettable_CallsSetter()
{
// Arrange
Person model = new Person();
ControllerContext controllerContext = new ControllerContext()
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext()
{
ModelMetadata = GetMetadataForObject(model)
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfBirth");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(new DateTime(2001, 1, 1), validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
validationNode.Validate(controllerContext);
Assert.IsTrue(controllerContext.Controller.ViewData.ModelState.IsValid, "ModelState shouldn't have been touched.");
Assert.AreEqual(new DateTime(2001, 1, 1), model.DateOfBirth);
}
public void SetProperty_SettingNonNullableValueTypeToNull_RequiredValidatorNotPresent_RegistersValidationCallback()
{
// Arrange
ControllerContext controllerContext = new ControllerContext()
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext()
{
ModelMetadata = GetMetadataForObject(new Person()),
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfBirth");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.IsTrue(controllerContext.Controller.ViewData.ModelState.IsValid, "ModelState shouldn't have been touched yet.");
validationNode.Validate(controllerContext, bindingContext.ValidationNode);
Assert.IsFalse(controllerContext.Controller.ViewData.ModelState.IsValid, "ModelState should've been marked invalid.");
}
public void Validate_SkipsValidationIfSuppressed()
{
// Arrange
List <string> log = new List <string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey")
{
SuppressValidation = true
};
node.Validating += (sender, e) => { log.Add("In OnValidating()"); };
node.Validated += delegate { log.Add("In OnValidated()"); };
// Act
node.Validate(controllerContext);
// Assert
Assert.Empty(log);
}
public void Validate_ValidateAllProperties_AddsValidationErrors()
{
// Arrange
ValidateAllPropertiesModel model = new ValidateAllPropertiesModel
{
RequiredString = null /* error */,
RangedInt = 0 /* error */,
ValidString = "dog"
};
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey")
{
ValidateAllProperties = true
};
controllerContext.Controller.ViewData.ModelState.AddModelError("theKey.RequiredString.Dummy", "existing Error Text");
// Act
node.Validate(controllerContext);
// Assert
Assert.Null(controllerContext.Controller.ViewData.ModelState["theKey.RequiredString"]);
Assert.Equal("existing Error Text", controllerContext.Controller.ViewData.ModelState["theKey.RequiredString.Dummy"].Errors[0].ErrorMessage);
Assert.Equal("The field RangedInt must be between 10 and 30.", controllerContext.Controller.ViewData.ModelState["theKey.RangedInt"].Errors[0].ErrorMessage);
Assert.Null(controllerContext.Controller.ViewData.ModelState["theKey.ValidString"]);
Assert.Null(controllerContext.Controller.ViewData.ModelState["theKey"]);
}
public void Validate_SkipsRemainingValidationIfModelStateIsInvalid()
{
// Because a property validator fails, the model validator shouldn't run
// Arrange
List <string> log = new List <string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "InvalidStringProperty");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.InvalidStringProperty"));
node.Validating += delegate { log.Add("In OnValidating()"); };
node.Validated += delegate { log.Add("In OnValidated()"); };
// Act
node.Validate(controllerContext);
// Assert
Assert.Equal(new[] { "In OnValidating()", "In IDataErrorInfo.get_Item('InvalidStringProperty')", "In OnValidated()" }, log.ToArray());
Assert.Equal("Sample error message", controllerContext.Controller.ViewData.ModelState["theKey.InvalidStringProperty"].Errors[0].ErrorMessage);
}
public void Validate_SkipsValidationIfHandlerCancels()
{
// Arrange
List <string> log = new List <string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.Validating += (sender, e) =>
{
log.Add("In OnValidating()");
e.Cancel = true;
};
node.Validated += delegate { log.Add("In OnValidated()"); };
// Act
node.Validate(controllerContext);
// Assert
Assert.Equal(new[] { "In OnValidating()" }, log.ToArray());
}
public void Validate_PassesNullContainerInstanceIfCannotBeConvertedToProperType()
{
// Arrange
List <string> log1 = new List <string>();
LoggingDataErrorInfoModel model1 = new LoggingDataErrorInfoModel(log1);
ModelMetadata modelMetadata1 = GetModelMetadata(model1);
List <string> log2 = new List <string>();
LoggingDataErrorInfoModel model2 = new LoggingDataErrorInfoModel(log2);
ModelMetadata modelMetadata2 = GetModelMetadata(model2);
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata1, "theKey");
node.ChildNodes.Add(new ModelValidationNode(modelMetadata2, "theKey.SomeProperty"));
// Act
node.Validate(controllerContext);
// Assert
Assert.Equal(new[] { "In IDataErrorInfo.get_Error()" }, log1.ToArray());
Assert.Equal(new[] { "In IDataErrorInfo.get_Error()" }, log2.ToArray());
}
public void Validate_Ordering()
{
// Proper order of invocation:
// 1. OnValidating()
// 2. Child validators
// 3. This validator
// 4. OnValidated()
// Arrange
List <string> log = new List <string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "ValidStringProperty");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.ValidStringProperty"));
node.Validating += delegate { log.Add("In OnValidating()"); };
node.Validated += delegate { log.Add("In OnValidated()"); };
// Act
node.Validate(controllerContext);
// Assert
Assert.Equal(new[] { "In OnValidating()", "In IDataErrorInfo.get_Item('ValidStringProperty')", "In IDataErrorInfo.get_Error()", "In OnValidated()" }, log.ToArray());
}
public async Task BindModel_UsesTheValidationNodeOnModelBindingResult_IfPresent()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider();
ModelValidationNode validationNode = null;
var mockBinder = new Mock <IModelBinder>();
mockBinder
.Setup(o => o.BindModelAsync(It.IsAny <ModelBindingContext>()))
.Returns(
delegate(ModelBindingContext context)
{
validationNode = new ModelValidationNode("someName", context.ModelMetadata, 42);
return(Task.FromResult(
new ModelBindingResult(42, "someName", isModelSet: true, validationNode: validationNode)));
});
var binder = CreateCompositeBinder(mockBinder.Object);
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(SimplePropertiesModel));
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.True(result.IsModelSet);
Assert.Same(validationNode, result.ValidationNode);
}
public void NullCheckFailedHandler_ModelStateValid_CallbackReturnsNull_DoesNothing()
{
// Arrange
ControllerContext controllerContext = new ControllerContext()
{
Controller = new EmptyController()
};
ModelMetadata modelMetadata = GetMetadataForType(typeof(Person));
ModelValidationNode validationNode = new ModelValidationNode(modelMetadata, "foo");
ModelValidatedEventArgs e = new ModelValidatedEventArgs(controllerContext, null /* parentNode */);
// Act
ModelBinderErrorMessageProvider originalProvider = ModelBinderConfig.ValueRequiredErrorMessageProvider;
try {
ModelBinderConfig.ValueRequiredErrorMessageProvider = delegate { return(null); };
EventHandler <ModelValidatedEventArgs> handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(controllerContext, modelMetadata, null /* incomingValue */);
handler(validationNode, e);
}
finally {
ModelBinderConfig.ValueRequiredErrorMessageProvider = originalProvider;
}
// Assert
Assert.IsTrue(controllerContext.Controller.ViewData.ModelState.IsValid, "ModelState shouldn't be marked invalid if the callback returns null.");
}
public void CombineWith()
{
// Arrange
List <string> log = new List <string>();
ModelValidationNode[] allChildNodes = new[]
{
new ModelValidationNode(GetModelMetadata(), "key1"),
new ModelValidationNode(GetModelMetadata(), "key2"),
new ModelValidationNode(GetModelMetadata(), "key3"),
};
ModelValidationNode parentNode1 = new ModelValidationNode(GetModelMetadata(), "parent1");
parentNode1.ChildNodes.Add(allChildNodes[0]);
parentNode1.Validating += delegate { log.Add("Validating parent1."); };
parentNode1.Validated += delegate { log.Add("Validated parent1."); };
ModelValidationNode parentNode2 = new ModelValidationNode(GetModelMetadata(), "parent2");
parentNode2.ChildNodes.Add(allChildNodes[1]);
parentNode2.ChildNodes.Add(allChildNodes[2]);
parentNode2.Validating += delegate { log.Add("Validating parent2."); };
parentNode2.Validated += delegate { log.Add("Validated parent2."); };
// Act
parentNode1.CombineWith(parentNode2);
parentNode1.Validate(new ControllerContext {
Controller = new EmptyController()
});
// Assert
Assert.Equal(new[] { "Validating parent1.", "Validating parent2.", "Validated parent1.", "Validated parent2." }, log.ToArray());
Assert.Equal(allChildNodes, parentNode1.ChildNodes.ToArray());
}
public void SetProperty_PropertyHasDefaultValue_SetsDefaultValue()
{
// Arrange
ControllerContext controllerContext = new ControllerContext()
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext()
{
ModelMetadata = GetMetadataForObject(new Person())
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "PropertyWithDefaultValue");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.AreEqual(123.456m, ((Person)bindingContext.Model).PropertyWithDefaultValue);
Assert.IsTrue(controllerContext.Controller.ViewData.ModelState.IsValid, "ModelState should be valid.");
}
public void NullCheckFailedHandler_ModelStateAlreadyInvalid_DoesNothing()
{
// Arrange
HttpActionContext context = ContextUtil.CreateActionContext();
context.ModelState.AddModelError("foo.bar", "Some existing error.");
ModelMetadata modelMetadata = GetMetadataForType(typeof(Person));
ModelValidationNode validationNode = new ModelValidationNode(modelMetadata, "foo");
ModelValidatedEventArgs e = new ModelValidatedEventArgs(
context,
null /* parentNode */
);
// Act
EventHandler <ModelValidatedEventArgs> handler =
MutableObjectModelBinder.CreateNullCheckFailedHandler(
modelMetadata,
null /* incomingValue */
);
handler(validationNode, e);
// Assert
Assert.False(context.ModelState.ContainsKey("foo"));
}
public void SetProperty_PropertyIsSettable_SetterThrows_RecordsError()
{
// Arrange
Person model = new Person()
{
DateOfBirth = new DateTime(1900, 1, 1)
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext()
{
ModelMetadata = GetMetadataForObject(model)
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfDeath");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(new DateTime(1800, 1, 1), validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(null, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.AreEqual(@"Date of death can't be before date of birth.
Parameter name: value", bindingContext.ModelState["foo"].Errors[0].Exception.Message);
}
public void SetProperty_PropertyIsReadOnly_DoesNothing()
{
// Arrange
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = GetMetadataForType(typeof(Person))
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(
o => o.PropertyName == "NonUpdateableProperty"
);
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(
null /* model */
,
validationNode
);
TestableMutableObjectModelBinder testableBinder =
new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(
null,
bindingContext,
propertyMetadata,
dtoResult,
requiredValidator: null
);
// Assert
// If didn't throw, success!
}
public void SetProperty_SettingNonNullableValueTypeToNull_RequiredValidatorPresent_AddsModelError()
{
// Arrange
ControllerContext controllerContext = new ControllerContext()
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext()
{
ModelMetadata = GetMetadataForObject(new Person()),
ModelName = "foo"
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "ValueTypeRequired");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo.ValueTypeRequired");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.IsFalse(bindingContext.ModelState.IsValid, "ModelState should've been marked invalid.");
Assert.AreEqual("Sample message", bindingContext.ModelState["foo.ValueTypeRequired"].Errors[0].ErrorMessage);
}
public void NullCheckFailedHandler_ModelStateValid_CallbackReturnsNull_DoesNothing()
{
// Arrange
HttpActionContext context = ContextUtil.CreateActionContext();
ModelMetadata modelMetadata = GetMetadataForType(typeof(Person));
ModelValidationNode validationNode = new ModelValidationNode(modelMetadata, "foo");
ModelValidatedEventArgs e = new ModelValidatedEventArgs(context, null /* parentNode */);
// Act
ModelBinderErrorMessageProvider originalProvider = ModelBinderConfig.ValueRequiredErrorMessageProvider;
try
{
ModelBinderConfig.ValueRequiredErrorMessageProvider = (ec, mm, value) => null;
EventHandler <ModelValidatedEventArgs> handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(modelMetadata, null /* incomingValue */);
handler(validationNode, e);
}
finally
{
ModelBinderConfig.ValueRequiredErrorMessageProvider = originalProvider;
}
// Assert
Assert.True(context.ModelState.IsValid);
}
public Task <ModelBindingResult> BindModelAsync(ModelBindingContext bindingContext)
{
var validationNode =
new ModelValidationNode(bindingContext.ModelName, bindingContext.ModelMetadata, _model);
return(Task.FromResult(new ModelBindingResult(_model, bindingContext.ModelName, true, validationNode)));
}
public void SetProperty_PropertyHasDefaultValue_SetsDefaultValue()
{
// Arrange
HttpActionContext context = ContextUtil.CreateActionContext();
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = GetMetadataForObject(new Person())
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "PropertyWithDefaultValue");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
ModelValidator requiredValidator = context.GetValidators(propertyMetadata).Where(v => v.IsRequired).FirstOrDefault();
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(context, bindingContext, propertyMetadata, dtoResult, requiredValidator);
// Assert
var person = Assert.IsType <Person>(bindingContext.Model);
Assert.Equal(123.456m, person.PropertyWithDefaultValue);
Assert.True(context.ModelState.IsValid);
}
public void BindSimpleCollection_SubBindingSucceeds()
{
// Arrange
CultureInfo culture = CultureInfo.GetCultureInfo("fr-FR");
Mock <IModelBinder> mockIntBinder = new Mock <IModelBinder>();
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "someName",
ValueProvider = new SimpleHttpValueProvider()
};
HttpActionContext context = ContextUtil.CreateActionContext();
context.ControllerContext.Configuration.Services.Replace(typeof(ModelBinderProvider), new SimpleModelBinderProvider(typeof(int), mockIntBinder.Object));
ModelValidationNode childValidationNode = null;
mockIntBinder
.Setup(o => o.BindModel(context, It.IsAny <ModelBindingContext>()))
.Returns((HttpActionContext ec, ModelBindingContext mbc) =>
{
Assert.Equal("someName", mbc.ModelName);
childValidationNode = mbc.ValidationNode;
mbc.Model = 42;
return(true);
});
// Act
List <int> boundCollection = CollectionModelBinder <int> .BindSimpleCollection(context, bindingContext, new int[1], culture);
// Assert
Assert.Equal(new[] { 42 }, boundCollection.ToArray());
Assert.Equal(new[] { childValidationNode }, bindingContext.ValidationNode.ChildNodes.ToArray());
}
/// <summary>
/// Creates a new <see cref="ModelBindingResult"/>.
/// </summary>
/// <param name="model">The model which was created by the <see cref="IModelBinder"/>.</param>
/// <param name="key">The key using which was used to attempt binding the model.</param>
/// <param name="isModelSet">A value that represents if the model has been set by the
/// <see cref="IModelBinder"/>.</param>
/// <param name="validationNode">A <see cref="ModelValidationNode"/> which captures the validation information.
/// </param>
public ModelBindingResult(object model, string key, bool isModelSet, ModelValidationNode validationNode)
{
Model = model;
Key = key;
IsModelSet = isModelSet;
ValidationNode = validationNode;
}
public void BindSimpleCollection_SubBindingSucceeds()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
CultureInfo culture = CultureInfo.GetCultureInfo("fr-FR");
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "someName",
ModelBinderProviders = new ModelBinderProviderCollection(),
ValueProvider = new SimpleValueProvider()
};
ModelValidationNode childValidationNode = null;
Mock <IExtensibleModelBinder> mockIntBinder = new Mock <IExtensibleModelBinder>();
mockIntBinder
.Setup(o => o.BindModel(controllerContext, It.IsAny <ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc)
{
Assert.Equal("someName", mbc.ModelName);
childValidationNode = mbc.ValidationNode;
mbc.Model = 42;
return(true);
});
bindingContext.ModelBinderProviders.RegisterBinderForType(typeof(int), mockIntBinder.Object, true /* suppressPrefixCheck */);
// Act
List <int> boundCollection = CollectionModelBinder <int> .BindSimpleCollection(controllerContext, bindingContext, new int[1], culture);
// Assert
Assert.Equal(new[] { 42 }, boundCollection.ToArray());
Assert.Equal(new[] { childValidationNode }, bindingContext.ValidationNode.ChildNodes.ToArray());
}
public virtual bool TryValidateModel([NotNull] object model, string prefix)
{
if (BindingContext == null)
{
var message = Resources.FormatPropertyOfTypeCannotBeNull(
nameof(BindingContext),
typeof(Controller).FullName);
throw new InvalidOperationException(message);
}
var modelMetadata = MetadataProvider.GetMetadataForType(
modelAccessor: () => model,
modelType: model.GetType());
var validationContext = new ModelValidationContext(
MetadataProvider,
BindingContext.ValidatorProvider,
ModelState,
modelMetadata,
containerMetadata: null);
var modelName = prefix ?? string.Empty;
var validationNode = new ModelValidationNode(modelMetadata, modelName)
{
ValidateAllProperties = true
};
validationNode.Validate(validationContext);
return(ModelState.IsValid);
}
public void CombineWith() {
// Arrange
List<string> log = new List<string>();
ModelValidationNode[] allChildNodes = new ModelValidationNode[] {
new ModelValidationNode(GetModelMetadata(), "key1"),
new ModelValidationNode(GetModelMetadata(), "key2"),
new ModelValidationNode(GetModelMetadata(), "key3"),
};
ModelValidationNode parentNode1 = new ModelValidationNode(GetModelMetadata(), "parent1");
parentNode1.ChildNodes.Add(allChildNodes[0]);
parentNode1.Validating += delegate { log.Add("Validating parent1."); };
parentNode1.Validated += delegate { log.Add("Validated parent1."); };
ModelValidationNode parentNode2 = new ModelValidationNode(GetModelMetadata(), "parent2");
parentNode2.ChildNodes.Add(allChildNodes[1]);
parentNode2.ChildNodes.Add(allChildNodes[2]);
parentNode2.Validating += delegate { log.Add("Validating parent2."); };
parentNode2.Validated += delegate { log.Add("Validated parent2."); };
// Act
parentNode1.CombineWith(parentNode2);
parentNode1.Validate(new ControllerContext() { Controller = new EmptyController() });
// Assert
CollectionAssert.AreEqual(
new string[] { "Validating parent1.", "Validating parent2.", "Validated parent1.", "Validated parent2." },
log);
CollectionAssert.AreEqual(allChildNodes, parentNode1.ChildNodes.ToArray());
}
public void DictionaryType_ValidationSuccessful()
{
// Arrange
var modelStateDictionary = new ModelStateDictionary();
modelStateDictionary.Add("items[0].Key", new ModelState());
modelStateDictionary.Add("items[0].Value", new ModelState());
modelStateDictionary.Add("items[1].Key", new ModelState());
modelStateDictionary.Add("items[1].Value", new ModelState());
var model = new Dictionary <string, string>()
{
{ "FooKey", "FooValue" },
{ "BarKey", "BarValue" }
};
var testValidationContext = GetModelValidationContext(
model,
typeof(Dictionary <string, string>),
excludedTypes: null,
modelStateDictionary: modelStateDictionary);
var excludeTypeFilters = new List <IExcludeTypeValidationFilter>();
excludeTypeFilters.Add(new SimpleTypesExcludeFilter());
testValidationContext.ExcludeFilters = excludeTypeFilters;
var validationContext = testValidationContext.ModelValidationContext;
var validator = new DefaultObjectValidator(
testValidationContext.ExcludeFilters,
testValidationContext.ModelMetadataProvider);
var topLevelValidationNode =
new ModelValidationNode(
"items",
testValidationContext.ModelValidationContext.ModelExplorer.Metadata,
testValidationContext.ModelValidationContext.ModelExplorer.Model)
{
ValidateAllProperties = true
};
// Act
validator.Validate(validationContext, topLevelValidationNode);
// Assert
Assert.True(validationContext.ModelState.IsValid);
Assert.Equal(4, validationContext.ModelState.Count);
var modelState = validationContext.ModelState["items[0].Key"];
Assert.Equal(ModelValidationState.Skipped, modelState.ValidationState);
modelState = validationContext.ModelState["items[0].Value"];
Assert.Equal(ModelValidationState.Skipped, modelState.ValidationState);
modelState = validationContext.ModelState["items[1].Key"];
Assert.Equal(ModelValidationState.Skipped, modelState.ValidationState);
modelState = validationContext.ModelState["items[1].Value"];
Assert.Equal(ModelValidationState.Skipped, modelState.ValidationState);
}
public ComplexModelDtoResult(
object model,
bool isModelBound,
[NotNull] ModelValidationNode validationNode)
{
Model = model;
IsModelBound = isModelBound;
ValidationNode = validationNode;
}
public void Validate_ThrowsIfControllerContextIsNull()
{
// Arrange
ModelValidationNode node = new ModelValidationNode(GetModelMetadata(), "someKey");
// Act & assert
Assert.ThrowsArgumentNull(
delegate { node.Validate(null); }, "controllerContext");
}
public void PropertiesAreSet() {
// Arrange
ModelMetadata metadata = GetModelMetadata();
string modelStateKey = "someKey";
// Act
ModelValidationNode node = new ModelValidationNode(metadata, modelStateKey);
// Assert
Assert.AreEqual(metadata, node.ModelMetadata);
Assert.AreEqual(modelStateKey, node.ModelStateKey);
Assert.IsNotNull(node.ChildNodes);
Assert.AreEqual(0, node.ChildNodes.Count);
}
public void ConstructorSetsCollectionInstance() {
// Arrange
ModelMetadata metadata = GetModelMetadata();
string modelStateKey = "someKey";
ModelValidationNode[] childNodes = new ModelValidationNode[] {
new ModelValidationNode(metadata, "someKey0"),
new ModelValidationNode(metadata, "someKey1")
};
// Act
ModelValidationNode node = new ModelValidationNode(metadata, modelStateKey, childNodes);
// Assert
CollectionAssert.AreEqual(childNodes, (ICollection)node.ChildNodes);
}
public void Validate_Ordering() {
// Proper order of invocation:
// 1. OnValidating()
// 2. Child validators
// 3. This validator
// 4. OnValidated()
// Arrange
List<string> log = new List<string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "ValidStringProperty");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.ValidStringProperty"));
node.Validating += delegate {
log.Add("In OnValidating()");
};
node.Validated += delegate {
log.Add("In OnValidated()");
};
// Act
node.Validate(controllerContext);
// Assert
CollectionAssert.AreEqual(
new string[] { "In OnValidating()", "In IDataErrorInfo.get_Item('ValidStringProperty')", "In IDataErrorInfo.get_Error()", "In OnValidated()" },
log);
}
public void SetProperty_SettingNonNullableValueTypeToNull_RequiredValidatorPresent_AddsModelError()
{
// Arrange
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = GetMetadataForObject(new Person()),
ModelName = "foo"
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "ValueTypeRequired");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo.ValueTypeRequired");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
Assert.Equal("Sample message", bindingContext.ModelState["foo.ValueTypeRequired"].Errors[0].ErrorMessage);
}
public Task<ModelBindingResult> BindModelAsync(ModelBindingContext bindingContext)
{
var validationNode =
new ModelValidationNode(bindingContext.ModelName, bindingContext.ModelMetadata, _model);
return Task.FromResult(new ModelBindingResult(_model, bindingContext.ModelName, true, validationNode));
}
public void Validate_ValidateAllProperties_AddsValidationErrors() {
// Arrange
ValidateAllPropertiesModel model = new ValidateAllPropertiesModel() {
RequiredString = null /* error */,
RangedInt = 0 /* error */,
ValidString = "dog"
};
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey") {
ValidateAllProperties = true
};
controllerContext.Controller.ViewData.ModelState.AddModelError("theKey.RequiredString.Dummy", "existing Error Text");
// Act
node.Validate(controllerContext);
// Assert
Assert.IsNull(controllerContext.Controller.ViewData.ModelState["theKey.RequiredString"]);
Assert.AreEqual("existing Error Text", controllerContext.Controller.ViewData.ModelState["theKey.RequiredString.Dummy"].Errors[0].ErrorMessage);
Assert.AreEqual("The field RangedInt must be between 10 and 30.", controllerContext.Controller.ViewData.ModelState["theKey.RangedInt"].Errors[0].ErrorMessage);
Assert.IsNull(controllerContext.Controller.ViewData.ModelState["theKey.ValidString"]);
Assert.IsNull(controllerContext.Controller.ViewData.ModelState["theKey"]);
}
public async Task BindSimpleCollection_SubBindingSucceeds()
{
// Arrange
var culture = new CultureInfo("fr-FR");
var bindingContext = GetModelBindingContext(new SimpleHttpValueProvider());
ModelValidationNode childValidationNode = null;
Mock.Get<IModelBinder>(bindingContext.OperationBindingContext.ModelBinder)
.Setup(o => o.BindModelAsync(It.IsAny<ModelBindingContext>()))
.Returns((ModelBindingContext mbc) =>
{
Assert.Equal("someName", mbc.ModelName);
childValidationNode = new ModelValidationNode("someName", mbc.ModelMetadata, mbc.Model);
return Task.FromResult(new ModelBindingResult(42, mbc.ModelName, true, childValidationNode));
});
var modelBinder = new CollectionModelBinder<int>();
// Act
var boundCollection = await modelBinder.BindSimpleCollection(bindingContext, new int[1], culture);
// Assert
Assert.Equal(new[] { 42 }, boundCollection.Model.ToArray());
Assert.Equal(new[] { childValidationNode }, boundCollection.ValidationNode.ChildNodes.ToArray());
}
public void Validate_SkipsValidationIfSuppressed() {
// Arrange
List<string> log = new List<string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey") {
SuppressValidation = true
};
node.Validating += (sender, e) => {
log.Add("In OnValidating()");
};
node.Validated += delegate {
log.Add("In OnValidated()");
};
// Act
node.Validate(controllerContext);
// Assert
CollectionAssert.AreEqual(new string[0], log, "Validate() should have been a no-op.");
}
public void Validate_ThrowsIfControllerContextIsNull() {
// Arrange
ModelValidationNode node = new ModelValidationNode(GetModelMetadata(), "someKey");
// Act & assert
ExceptionHelper.ExpectArgumentNullException(
delegate {
node.Validate(null);
}, "controllerContext");
}
public void SetProperty_PropertyIsSettable_SetterThrows_RecordsError()
{
// Arrange
Person model = new Person
{
DateOfBirth = new DateTime(1900, 1, 1)
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = GetMetadataForObject(model)
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfDeath");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(new DateTime(1800, 1, 1), validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(null, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.Equal("Date of death can't be before date of birth." + Environment.NewLine
+ "Parameter name: value",
bindingContext.ModelState["foo"].Errors[0].Exception.Message);
}
public void Validator_IfValidateAllPropertiesSet_WithChildNodes_DoesNotAutoExpand()
{
// Arrange
var testValidationContext = GetModelValidationContext(
LonelyPerson,
typeof(Person));
var validationContext = testValidationContext.ModelValidationContext;
var validator = new DefaultObjectValidator(
testValidationContext.ExcludeFilters,
testValidationContext.ModelMetadataProvider);
var modelExplorer = testValidationContext.ModelValidationContext.ModelExplorer;
var topLevelValidationNode = new ModelValidationNode(
"person",
modelExplorer.Metadata,
modelExplorer.Model)
{
ValidateAllProperties = true
};
var propertyExplorer = modelExplorer.GetExplorerForProperty("Profession");
var childNode = new ModelValidationNode(
"person.Profession",
propertyExplorer.Metadata,
propertyExplorer.Model);
topLevelValidationNode.ChildNodes.Add(childNode);
// Act
validator.Validate(validationContext, topLevelValidationNode);
// Assert
var modelState = validationContext.ModelState;
Assert.False(modelState.IsValid);
// Since the model is invalid at property level there is no entry in the model state for top level node.
Assert.Single(modelState.Keys, k => k == "person.Profession");
Assert.Equal(1, modelState.Count);
}
public void NullCheckFailedHandler_ModelStateValid_CallbackReturnsNull_DoesNothing()
{
// Arrange
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelMetadata modelMetadata = GetMetadataForType(typeof(Person));
ModelValidationNode validationNode = new ModelValidationNode(modelMetadata, "foo");
ModelValidatedEventArgs e = new ModelValidatedEventArgs(controllerContext, null /* parentNode */);
// Act
ModelBinderErrorMessageProvider originalProvider = ModelBinderConfig.ValueRequiredErrorMessageProvider;
try
{
ModelBinderConfig.ValueRequiredErrorMessageProvider = delegate { return null; };
EventHandler<ModelValidatedEventArgs> handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(controllerContext, modelMetadata, null /* incomingValue */);
handler(validationNode, e);
}
finally
{
ModelBinderConfig.ValueRequiredErrorMessageProvider = originalProvider;
}
// Assert
Assert.True(controllerContext.Controller.ViewData.ModelState.IsValid);
}
public void SetProperty_PropertyIsReadOnly_DoesNothing()
{
// Arrange
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = GetMetadataForType(typeof(Person))
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "NonUpdateableProperty");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(null, bindingContext, propertyMetadata, dtoResult);
// Assert
// If didn't throw, success!
}
public void NullCheckFailedHandler_ModelStateAlreadyInvalid_DoesNothing()
{
// Arrange
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
controllerContext.Controller.ViewData.ModelState.AddModelError("foo.bar", "Some existing error.");
ModelMetadata modelMetadata = GetMetadataForType(typeof(Person));
ModelValidationNode validationNode = new ModelValidationNode(modelMetadata, "foo");
ModelValidatedEventArgs e = new ModelValidatedEventArgs(controllerContext, null /* parentNode */);
// Act
EventHandler<ModelValidatedEventArgs> handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(controllerContext, modelMetadata, null /* incomingValue */);
handler(validationNode, e);
// Assert
Assert.False(controllerContext.Controller.ViewData.ModelState.ContainsKey("foo"));
}
public void CombineWith_OtherNodeIsSuppressed_DoesNothing()
{
// Arrange
List<string> log = new List<string>();
ModelValidationNode[] allChildNodes = new[]
{
new ModelValidationNode(GetModelMetadata(), "key1"),
new ModelValidationNode(GetModelMetadata(), "key2"),
new ModelValidationNode(GetModelMetadata(), "key3"),
};
ModelValidationNode[] expectedChildNodes = new[]
{
allChildNodes[0]
};
ModelValidationNode parentNode1 = new ModelValidationNode(GetModelMetadata(), "parent1");
parentNode1.ChildNodes.Add(allChildNodes[0]);
parentNode1.Validating += delegate { log.Add("Validating parent1."); };
parentNode1.Validated += delegate { log.Add("Validated parent1."); };
ModelValidationNode parentNode2 = new ModelValidationNode(GetModelMetadata(), "parent2");
parentNode2.ChildNodes.Add(allChildNodes[1]);
parentNode2.ChildNodes.Add(allChildNodes[2]);
parentNode2.Validating += delegate { log.Add("Validating parent2."); };
parentNode2.Validated += delegate { log.Add("Validated parent2."); };
parentNode2.SuppressValidation = true;
// Act
parentNode1.CombineWith(parentNode2);
parentNode1.Validate(new ControllerContext { Controller = new EmptyController() });
// Assert
Assert.Equal(new[] { "Validating parent1.", "Validated parent1." }, log.ToArray());
Assert.Equal(expectedChildNodes, parentNode1.ChildNodes.ToArray());
}
public void SetProperty_SettingNullableTypeToNull_RequiredValidatorNotPresent_PropertySetterThrows_AddsRequiredMessageString() {
// Arrange
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext() {
ModelMetadata = GetMetadataForObject(new ModelWhosePropertySetterThrows()),
ModelName = "foo"
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "NameNoAttribute");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo.NameNoAttribute");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.IsFalse(bindingContext.ModelState.IsValid, "ModelState should've been marked invalid.");
Assert.AreEqual(1, bindingContext.ModelState["foo.NameNoAttribute"].Errors.Count);
Assert.AreEqual(@"This is a different exception.
Parameter name: value", bindingContext.ModelState["foo.NameNoAttribute"].Errors[0].Exception.Message);
}
private static IModelBinder CreateStringBinder()
{
var mockStringBinder = new Mock<IModelBinder>();
mockStringBinder
.Setup(o => o.BindModelAsync(It.IsAny<ModelBindingContext>()))
.Returns((ModelBindingContext mbc) =>
{
if (mbc.ModelType == typeof(string))
{
var model = "some-value";
var validationNode = new ModelValidationNode(mbc.ModelName, mbc.ModelMetadata, model);
return Task.FromResult(new ModelBindingResult(model, mbc.ModelName, true, validationNode));
}
return Task.FromResult<ModelBindingResult>(null);
});
return mockStringBinder.Object;
}
private static IModelBinder CreateIntBinder()
{
Mock<IModelBinder> mockIntBinder = new Mock<IModelBinder>();
mockIntBinder
.Setup(o => o.BindModelAsync(It.IsAny<ModelBindingContext>()))
.Returns(async (ModelBindingContext mbc) =>
{
var value = await mbc.ValueProvider.GetValueAsync(mbc.ModelName);
if (value != null)
{
var model = value.ConvertTo(mbc.ModelType);
var modelValidationNode = new ModelValidationNode(mbc.ModelName, mbc.ModelMetadata, model);
return new ModelBindingResult(model, mbc.ModelName, true, modelValidationNode);
}
return null;
});
return mockIntBinder.Object;
}
public void NullCheckFailedHandler_ModelStateValid_AddsErrorString()
{
// Arrange
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ModelMetadata modelMetadata = GetMetadataForType(typeof(Person));
ModelValidationNode validationNode = new ModelValidationNode(modelMetadata, "foo");
ModelValidatedEventArgs e = new ModelValidatedEventArgs(controllerContext, null /* parentNode */);
// Act
EventHandler<ModelValidatedEventArgs> handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(controllerContext, modelMetadata, null /* incomingValue */);
handler(validationNode, e);
// Assert
Assert.True(controllerContext.Controller.ViewData.ModelState.ContainsKey("foo"));
Assert.Equal("A value is required.", controllerContext.Controller.ViewData.ModelState["foo"].Errors[0].ErrorMessage);
}
public void Validate_PassesNullContainerInstanceIfCannotBeConvertedToProperType() {
// Arrange
List<string> log1 = new List<string>();
LoggingDataErrorInfoModel model1 = new LoggingDataErrorInfoModel(log1);
ModelMetadata modelMetadata1 = GetModelMetadata(model1);
List<string> log2 = new List<string>();
LoggingDataErrorInfoModel model2 = new LoggingDataErrorInfoModel(log2);
ModelMetadata modelMetadata2 = GetModelMetadata(model2);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata1, "theKey");
node.ChildNodes.Add(new ModelValidationNode(modelMetadata2, "theKey.SomeProperty"));
// Act
node.Validate(controllerContext);
// Assert
CollectionAssert.AreEqual(
new string[] { "In IDataErrorInfo.get_Error()" },
log1);
CollectionAssert.AreEqual(
new string[] { "In IDataErrorInfo.get_Error()" },
log2);
}
public void SetProperty_PropertyHasDefaultValue_SetsDefaultValue()
{
// Arrange
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = GetMetadataForObject(new Person())
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "PropertyWithDefaultValue");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
var person = Assert.IsType<Person>(bindingContext.Model);
Assert.Equal(123.456m, person.PropertyWithDefaultValue);
Assert.True(controllerContext.Controller.ViewData.ModelState.IsValid);
}
public void Validate_SkipsRemainingValidationIfModelStateIsInvalid() {
// Because a property validator fails, the model validator shouldn't run
// Arrange
List<string> log = new List<string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "InvalidStringProperty");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.InvalidStringProperty"));
node.Validating += delegate {
log.Add("In OnValidating()");
};
node.Validated += delegate {
log.Add("In OnValidated()");
};
// Act
node.Validate(controllerContext);
// Assert
CollectionAssert.AreEqual(
new string[] { "In OnValidating()", "In IDataErrorInfo.get_Item('InvalidStringProperty')", "In OnValidated()" },
log);
Assert.AreEqual("Sample error message", controllerContext.Controller.ViewData.ModelState["theKey.InvalidStringProperty"].Errors[0].ErrorMessage);
}
public void SetProperty_PropertyIsSettable_CallsSetter()
{
// Arrange
Person model = new Person();
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = GetMetadataForObject(model)
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfBirth");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(new DateTime(2001, 1, 1), validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
validationNode.Validate(controllerContext);
Assert.True(controllerContext.Controller.ViewData.ModelState.IsValid);
Assert.Equal(new DateTime(2001, 1, 1), model.DateOfBirth);
}
public void Validate_SkipsValidationIfHandlerCancels() {
// Arrange
List<string> log = new List<string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.Validating += (sender, e) => {
log.Add("In OnValidating()");
e.Cancel = true;
};
node.Validated += delegate {
log.Add("In OnValidated()");
};
// Act
node.Validate(controllerContext);
// Assert
CollectionAssert.AreEqual(
new string[] { "In OnValidating()" },
log);
}
public void SetProperty_SettingNonNullableValueTypeToNull_RequiredValidatorNotPresent_RegistersValidationCallback()
{
// Arrange
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = GetMetadataForObject(new Person()),
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfBirth");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.True(controllerContext.Controller.ViewData.ModelState.IsValid);
validationNode.Validate(controllerContext, bindingContext.ValidationNode);
Assert.False(controllerContext.Controller.ViewData.ModelState.IsValid);
}
public void Validator_IfValidateAllPropertiesIsNotSet_DoesNotAutoExpand()
{
// Arrange
var testValidationContext = GetModelValidationContext(
LonelyPerson,
typeof(Person));
var validationContext = testValidationContext.ModelValidationContext;
var validator = new DefaultObjectValidator(
testValidationContext.ExcludeFilters,
testValidationContext.ModelMetadataProvider);
var modelExplorer = testValidationContext.ModelValidationContext.ModelExplorer;
// No ChildNode added
var topLevelValidationNode = new ModelValidationNode(
"person",
modelExplorer.Metadata,
modelExplorer.Model);
// Act
validator.Validate(validationContext, topLevelValidationNode);
// Assert
Assert.True(validationContext.ModelState.IsValid);
// Since Person is not IValidatable and we do not look at its properties, the state is empty.
Assert.Empty(validationContext.ModelState.Keys);
}
public void SetProperty_SettingNullableTypeToNull_RequiredValidatorPresent_PropertySetterThrows_AddsRequiredMessageString()
{
// Arrange
ControllerContext controllerContext = new ControllerContext
{
Controller = new EmptyController()
};
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = GetMetadataForObject(new ModelWhosePropertySetterThrows()),
ModelName = "foo"
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "Name");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo.Name");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(null /* model */, validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(controllerContext, bindingContext, propertyMetadata, dtoResult);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
Assert.Equal(1, bindingContext.ModelState["foo.Name"].Errors.Count);
Assert.Equal("This message comes from the [Required] attribute.", bindingContext.ModelState["foo.Name"].Errors[0].ErrorMessage);
}
public async Task BindModel_UsesTheValidationNodeOnModelBindingResult_IfPresent()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider();
ModelValidationNode validationNode = null;
var mockBinder = new Mock<IModelBinder>();
mockBinder
.Setup(o => o.BindModelAsync(It.IsAny<ModelBindingContext>()))
.Returns(
delegate (ModelBindingContext context)
{
validationNode = new ModelValidationNode("someName", context.ModelMetadata, 42);
return Task.FromResult(
new ModelBindingResult(42, "someName", isModelSet: true, validationNode: validationNode));
});
var binder = CreateCompositeBinder(mockBinder.Object);
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(SimplePropertiesModel));
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.True(result.IsModelSet);
Assert.Same(validationNode, result.ValidationNode);
}