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_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_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 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_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_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 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 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 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);
}
