public void Validate_ValidateAllProperties_AddsValidationErrors()
{
// Arrange
ValidateAllPropertiesModel model = new ValidateAllPropertiesModel
{
RequiredString = null /* error */,
RangedInt = 0 /* error */,
ValidString = "dog"
};
ModelMetadata modelMetadata = GetModelMetadata(model);
HttpActionContext context = ContextUtil.CreateActionContext();
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey")
{
ValidateAllProperties = true
};
context.ModelState.AddModelError("theKey.RequiredString.Dummy", "existing Error Text");
// Act
node.Validate(context);
// Assert
Assert.Null(context.ModelState["theKey.RequiredString"]);
Assert.Equal("existing Error Text", context.ModelState["theKey.RequiredString.Dummy"].Errors[0].ErrorMessage);
Assert.Equal("The field RangedInt must be between 10 and 30.", context.ModelState["theKey.RangedInt"].Errors[0].ErrorMessage);
Assert.Null(context.ModelState["theKey.ValidString"]);
Assert.Null(context.ModelState["theKey"]);
}
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 += (sender, e) => log.Add("Validating parent1.");
parentNode1.Validated += (sender, e) => log.Add("Validated parent1.");
ModelValidationNode parentNode2 = new ModelValidationNode(GetModelMetadata(), "parent2");
parentNode2.ChildNodes.Add(allChildNodes[1]);
parentNode2.ChildNodes.Add(allChildNodes[2]);
parentNode2.Validating += (sender, e) => log.Add("Validating parent2.");
parentNode2.Validated += (sender, e) => log.Add("Validated parent2.");
// Act
parentNode1.CombineWith(parentNode2);
parentNode1.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Equal(new[] { "Validating parent1.", "Validating parent2.", "Validated parent1.", "Validated parent2." }, log.ToArray());
Assert.Equal(allChildNodes, parentNode1.ChildNodes.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>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "ValidStringProperty");
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.Validating += (sender, e) => log.Add("In OnValidating()");
node.Validated += (sender, e) => log.Add("In OnValidated()");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.ValidStringProperty"));
// Act
node.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Equal(new[] { "In OnValidating()", "In LoggingValidatonAttribute.IsValid()", "In IValidatableObject.Validate()", "In OnValidated()" }, log.ToArray());
}
public void Validate_ThrowsIfControllerContextIsNull()
{
// Arrange
ModelValidationNode node = new ModelValidationNode(GetModelMetadata(), "someKey");
// Act & assert
Assert.ThrowsArgumentNull(() => node.Validate(null), "actionContext");
}
private void ValidateChildren(HttpActionContext actionContext)
{
for (int i = 0; i < _childNodes.Count; i++)
{
ModelValidationNode child = _childNodes[i];
child.Validate(actionContext, this);
}
if (ValidateAllProperties)
{
ValidateProperties(actionContext);
}
}
public void Validate_SkipsValidationIfSuppressed()
{
// Arrange
List <string> log = new List <string>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey")
{
SuppressValidation = true
};
node.Validating += (sender, e) => log.Add("In OnValidating()");
node.Validated += (sender, e) => log.Add("In OnValidated()");
// Act
node.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Empty(log);
}
public void Validate_SkipsValidationIfHandlerCancels()
{
// Arrange
List <string> log = new List <string>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.Validating += (sender, e) =>
{
log.Add("In OnValidating()");
e.Cancel = true;
};
node.Validated += (sender, e) => log.Add("In OnValidated()");
// Act
node.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Equal(new[] { "In OnValidating()" }, log.ToArray());
}
public void Validate_SkipsRemainingValidationIfModelStateIsInvalid()
{
// Because a property validator fails, the model validator shouldn't run
// Arrange
List <string> log = new List <string>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(
() => model,
model.GetType(),
"InvalidStringProperty"
);
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.ChildNodes.Add(
new ModelValidationNode(childMetadata, "theKey.InvalidStringProperty")
);
node.Validating += (sender, e) => log.Add("In OnValidating()");
node.Validated += (sender, e) => log.Add("In OnValidated()");
HttpActionContext context = ContextUtil.CreateActionContext();
// Act
node.Validate(context);
// Assert
Assert.Equal(
new[]
{
"In OnValidating()",
"In IValidatableObject.Validate()",
"In OnValidated()"
},
log.ToArray()
);
Assert.Equal(
"Sample error message",
context.ModelState["theKey.InvalidStringProperty"].Errors[0].ErrorMessage
);
}
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 += (sender, e) => log.Add("Validating parent1.");
parentNode1.Validated += (sender, e) => log.Add("Validated parent1.");
ModelValidationNode parentNode2 = new ModelValidationNode(GetModelMetadata(), "parent2");
parentNode2.ChildNodes.Add(allChildNodes[1]);
parentNode2.ChildNodes.Add(allChildNodes[2]);
parentNode2.Validating += (sender, e) => log.Add("Validating parent2.");
parentNode2.Validated += (sender, e) => log.Add("Validated parent2.");
// Act
parentNode1.CombineWith(parentNode2);
parentNode1.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Equal(new[] { "Validating parent1.", "Validating parent2.", "Validated parent1.", "Validated parent2." }, log.ToArray());
Assert.Equal(allChildNodes, parentNode1.ChildNodes.ToArray());
}
public void Validate_ValidateAllProperties_AddsValidationErrors()
{
// Arrange
ValidateAllPropertiesModel model = new ValidateAllPropertiesModel
{
RequiredString = null /* error */,
RangedInt = 0 /* error */,
ValidString = "dog"
};
ModelMetadata modelMetadata = GetModelMetadata(model);
HttpActionContext context = ContextUtil.CreateActionContext();
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey")
{
ValidateAllProperties = true
};
context.ModelState.AddModelError("theKey.RequiredString.Dummy", "existing Error Text");
// Act
node.Validate(context);
// Assert
Assert.Null(context.ModelState["theKey.RequiredString"]);
Assert.Equal("existing Error Text", context.ModelState["theKey.RequiredString.Dummy"].Errors[0].ErrorMessage);
Assert.Equal("The field RangedInt must be between 10 and 30.", context.ModelState["theKey.RangedInt"].Errors[0].ErrorMessage);
Assert.Null(context.ModelState["theKey.ValidString"]);
Assert.Null(context.ModelState["theKey"]);
}
public void Validate_ThrowsIfControllerContextIsNull()
{
// Arrange
ModelValidationNode node = new ModelValidationNode(GetModelMetadata(), "someKey");
// Act & assert
Assert.ThrowsArgumentNull(
() => node.Validate(null),
"actionContext");
}
public void Validate_SkipsValidationIfSuppressed()
{
// Arrange
List<string> log = new List<string>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey")
{
SuppressValidation = true
};
node.Validating += (sender, e) => log.Add("In OnValidating()");
node.Validated += (sender, e) => log.Add("In OnValidated()");
// Act
node.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Empty(log);
}
public void Validate_SkipsValidationIfHandlerCancels()
{
// Arrange
List<string> log = new List<string>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.Validating += (sender, e) =>
{
log.Add("In OnValidating()");
e.Cancel = true;
};
node.Validated += (sender, e) => log.Add("In OnValidated()");
// Act
node.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Equal(new[] { "In OnValidating()" }, log.ToArray());
}
public void Validate_SkipsRemainingValidationIfModelStateIsInvalid()
{
// Because a property validator fails, the model validator shouldn't run
// Arrange
List<string> log = new List<string>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "InvalidStringProperty");
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.InvalidStringProperty"));
node.Validating += (sender, e) => log.Add("In OnValidating()");
node.Validated += (sender, e) => log.Add("In OnValidated()");
HttpActionContext context = ContextUtil.CreateActionContext();
// Act
node.Validate(context);
// Assert
Assert.Equal(new[] { "In OnValidating()", "In IValidatableObject.Validate()", "In OnValidated()" }, log.ToArray());
Assert.Equal("Sample error message", context.ModelState["theKey.InvalidStringProperty"].Errors[0].ErrorMessage);
}
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_SettingNonNullableValueTypeToNull_RequiredValidatorNotPresent_RegistersValidationCallback()
{
// Arrange
HttpActionContext context = ContextUtil.CreateActionContext();
ModelBindingContext bindingContext = new ModelBindingContext
{
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);
ModelValidator requiredValidator = context.GetValidators(propertyMetadata).Where(v => v.IsRequired).FirstOrDefault();
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(context, bindingContext, propertyMetadata, dtoResult, requiredValidator);
// Assert
Assert.True(context.ModelState.IsValid);
validationNode.Validate(context, bindingContext.ValidationNode);
Assert.False(context.ModelState.IsValid);
}
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>();
LoggingValidatableObject model = new LoggingValidatableObject(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "ValidStringProperty");
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
node.Validating += (sender, e) => log.Add("In OnValidating()");
node.Validated += (sender, e) => log.Add("In OnValidated()");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.ValidStringProperty"));
// Act
node.Validate(ContextUtil.CreateActionContext());
// Assert
Assert.Equal(new[] { "In OnValidating()", "In LoggingValidatonAttribute.IsValid()", "In IValidatableObject.Validate()", "In OnValidated()" }, log.ToArray());
}