public void Validate([NotNull] ModelValidationContext validationContext, ModelValidationNode parentNode)
{
if (SuppressValidation)
{
// no-op
return;
}
// pre-validation steps
var validatingEventArgs = new ModelValidatingEventArgs(validationContext, parentNode);
OnValidating(validatingEventArgs);
if (validatingEventArgs.Cancel)
{
return;
}
ValidateChildren(validationContext);
ValidateThis(validationContext, parentNode);
// post-validation steps
var validatedEventArgs = new ModelValidatedEventArgs(validationContext, parentNode);
OnValidated(validatedEventArgs);
var modelState = validationContext.ModelState;
if (modelState.GetFieldValidationState(ModelStateKey) != ModelValidationState.Invalid)
{
// If a node or its subtree were not marked invalid, we can consider it valid at this point.
modelState.MarkFieldValid(ModelStateKey);
}
}
private void OnValidated(ModelValidatedEventArgs e)
{
if (Validated != null)
{
Validated(this, e);
}
}
public void Validate([NotNull] ModelValidationContext validationContext, ModelValidationNode parentNode)
{
if (SuppressValidation || !validationContext.ModelState.CanAddErrors)
{
// Short circuit if validation does not need to be applied or if we've reached the max number of
// validation errors.
return;
}
// pre-validation steps
var validatingEventArgs = new ModelValidatingEventArgs(validationContext, parentNode);
OnValidating(validatingEventArgs);
if (validatingEventArgs.Cancel)
{
return;
}
ValidateChildren(validationContext);
ValidateThis(validationContext, parentNode);
// post-validation steps
var validatedEventArgs = new ModelValidatedEventArgs(validationContext, parentNode);
OnValidated(validatedEventArgs);
var modelState = validationContext.ModelState;
if (modelState.GetFieldValidationState(ModelStateKey) != ModelValidationState.Invalid)
{
// If a node or its subtree were not marked invalid, we can consider it valid at this point.
modelState.MarkFieldValid(ModelStateKey);
}
}
private void OnValidated(ModelValidatedEventArgs e)
{
if (Validated != null)
{
Validated(this, e);
}
}
public void NullCheckFailedHandler_ModelStateValid_AddsErrorString()
{
// Arrange
var modelState = new ModelStateDictionary();
var modelMetadata = GetMetadataForType(typeof(Person));
var validationNode = new ModelValidationNode(modelMetadata, "foo");
var validationContext = new ModelValidationContext(new DataAnnotationsModelMetadataProvider(),
Mock.Of <IModelValidatorProvider>(),
modelState,
modelMetadata,
null);
var e = new ModelValidatedEventArgs(validationContext, parentNode: null);
// Act
var handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(modelMetadata, incomingValue: null);
handler(validationNode, e);
// Assert
Assert.True(modelState.ContainsKey("foo"));
Assert.Equal("A value is required.", modelState["foo"].Errors[0].ErrorMessage);
}
public void NullCheckFailedHandler_ModelStateAlreadyInvalid_DoesNothing()
{
// Arrange
var modelState = new ModelStateDictionary();
modelState.AddModelError("foo.bar", "Some existing error.");
var modelMetadata = GetMetadataForType(typeof(Person));
var validationNode = new ModelValidationNode(modelMetadata, "foo");
var validationContext = new ModelValidationContext(new DataAnnotationsModelMetadataProvider(),
Mock.Of <IModelValidatorProvider>(),
modelState,
modelMetadata,
null);
var e = new ModelValidatedEventArgs(validationContext, parentNode: null);
// Act
var handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(modelMetadata, incomingValue: null);
handler(validationNode, e);
// Assert
Assert.False(modelState.ContainsKey("foo"));
}
public void Validate([NotNull] ModelValidationContext validationContext, ModelValidationNode parentNode)
{
if (SuppressValidation)
{
// no-op
return;
}
// pre-validation steps
var validatingEventArgs = new ModelValidatingEventArgs(validationContext, parentNode);
OnValidating(validatingEventArgs);
if (validatingEventArgs.Cancel)
{
return;
}
ValidateChildren(validationContext);
ValidateThis(validationContext, parentNode);
// post-validation steps
var validatedEventArgs = new ModelValidatedEventArgs(validationContext, parentNode);
OnValidated(validatedEventArgs);
var modelState = validationContext.ModelState;
if (modelState.GetFieldValidationState(ModelStateKey) != ModelValidationState.Invalid)
{
// If a node or its subtree were not marked invalid, we can consider it valid at this point.
modelState.MarkFieldValid(ModelStateKey);
}
}
public void NullCheckFailedHandler_ModelStateValid_AddsErrorString()
{
// Arrange
var modelState = new ModelStateDictionary();
var modelMetadata = GetMetadataForType(typeof(Person));
var validationNode = new ModelValidationNode(modelMetadata, "foo");
var validationContext = new ModelValidationContext(new DataAnnotationsModelMetadataProvider(),
Enumerable.Empty<IModelValidatorProvider>(),
modelState,
modelMetadata,
null);
var e = new ModelValidatedEventArgs(validationContext, parentNode: null);
// Act
var handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(modelMetadata, incomingValue: null);
handler(validationNode, e);
// Assert
Assert.True(modelState.ContainsKey("foo"));
Assert.Equal("A value is required.", modelState["foo"].Errors[0].ErrorMessage);
}
public void NullCheckFailedHandler_ModelStateAlreadyInvalid_DoesNothing()
{
// Arrange
var modelState = new ModelStateDictionary();
modelState.AddModelError("foo.bar", "Some existing error.");
var modelMetadata = GetMetadataForType(typeof(Person));
var validationNode = new ModelValidationNode(modelMetadata, "foo");
var validationContext = new ModelValidationContext(new DataAnnotationsModelMetadataProvider(),
Enumerable.Empty<IModelValidatorProvider>(),
modelState,
modelMetadata,
null);
var e = new ModelValidatedEventArgs(validationContext, parentNode: null);
// Act
var handler = MutableObjectModelBinder.CreateNullCheckFailedHandler(modelMetadata, incomingValue: null);
handler(validationNode, e);
// Assert
Assert.False(modelState.ContainsKey("foo"));
}