public void OnPropertyValidatedRecordsErrorIfPropertyImplementsIDataErrorInfoAndIsInvalid() {
// Arrange
DataErrorInfoProvider model = new DataErrorInfoProvider();
model.Errors["readwriteproperty"] = "Some error message.";
ModelBindingContext bindingContext = new ModelBindingContext() {
Model = model,
ModelName = "theModel"
};
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MyModel))["ReadWriteProperty"];
DefaultModelBinderHelper helper = new DefaultModelBinderHelper();
// Act
helper.PublicOnPropertyValidated(null, bindingContext, property, 42);
// Assert
Assert.AreEqual("Some error message.", bindingContext.ModelState["themodel.readwriteproperty"].Errors[0].ErrorMessage);
}
public void OnPropertyValidatedDoesNothingIfPropertyImplementsIDataErrorInfoAndIsValid() {
// Arrange
DataErrorInfoProvider model = new DataErrorInfoProvider();
ModelBindingContext bindingContext = new ModelBindingContext() {
Model = model,
ModelName = "theModel"
};
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MyModel))["ReadWriteProperty"];
DefaultModelBinderHelper helper = new DefaultModelBinderHelper();
// Act
helper.PublicOnPropertyValidated(null, bindingContext, property, 42);
// Assert
Assert.IsTrue(bindingContext.ModelState.IsValidField("themodel.readwriteproperty"), "ModelState should not have been changed.");
}
