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_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_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_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);
}