public void GetValidators_ReturnsExpectedValidatorTypes() {
// Arrange
ClientDataTypeModelValidatorProvider validatorProvider = new ClientDataTypeModelValidatorProvider();
Action<string, bool> checkPropertyIsNumeric = (propertyName, shouldBeNumeric) => {
ModelValidator[] validators = validatorProvider.GetValidators(_metadataProvider.GetMetadataForProperty(null, typeof(SampleModel), propertyName), new ControllerContext()).ToArray();
bool isNumeric = validators.OfType<ClientDataTypeModelValidatorProvider.NumericModelValidator>().Any();
if (isNumeric && !shouldBeNumeric) {
Assert.Fail("Property '{0}' shouldn't have returned a numeric validator but did.", propertyName);
}
else if (!isNumeric && shouldBeNumeric) {
Assert.Fail("Property '{0}' should've returned a numeric validator but didn't.", propertyName);
}
};
// Act & assert
checkPropertyIsNumeric("Byte", true);
checkPropertyIsNumeric("SByte", true);
checkPropertyIsNumeric("Int16", true);
checkPropertyIsNumeric("UInt16", true);
checkPropertyIsNumeric("Int32", true);
checkPropertyIsNumeric("UInt32", true);
checkPropertyIsNumeric("Int64", true);
checkPropertyIsNumeric("UInt64", true);
checkPropertyIsNumeric("Single", true);
checkPropertyIsNumeric("Double", true);
checkPropertyIsNumeric("Decimal", true);
checkPropertyIsNumeric("NullableInt32", true);
checkPropertyIsNumeric("String", false);
checkPropertyIsNumeric("Object", false);
}
public void GetValidators_ThrowsIfMetadataIsNull() {
// Arrange
ClientDataTypeModelValidatorProvider validatorProvider = new ClientDataTypeModelValidatorProvider();
// Act & assert
ExceptionHelper.ExpectArgumentNullException(
delegate {
validatorProvider.GetValidators(null, new ControllerContext());
}, "metadata");
}
public void GetValidators_ThrowsIfContextIsNull() {
// Arrange
ClientDataTypeModelValidatorProvider validatorProvider = new ClientDataTypeModelValidatorProvider();
ModelMetadata metadata = _metadataProvider.GetMetadataForType(null, typeof(SampleModel));
// Act & assert
ExceptionHelper.ExpectArgumentNullException(
delegate {
validatorProvider.GetValidators(metadata, null);
}, "context");
}
public void RegisterDataTypeValidator_RemovesClientDataTypeModelValidatorProvider()
{
ClientDataTypeModelValidatorProvider provider = new ClientDataTypeModelValidatorProvider();
ModelValidatorProviders.Providers.Add(provider);
application.RegisterDataTypeValidator();
Assert.False(ModelValidatorProviders.Providers.Contains(provider));
}
public void NumericValidator_Validate_DoesNotReadPropertyValue() {
// Arrange
ObservableModel model = new ObservableModel();
ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => model.TheProperty, typeof(ObservableModel), "TheProperty");
ControllerContext controllerContext = new ControllerContext();
// Act
ModelValidator[] validators = new ClientDataTypeModelValidatorProvider().GetValidators(metadata, controllerContext).ToArray();
ModelValidationResult[] results = validators.SelectMany(o => o.Validate(model)).ToArray();
// Assert
CollectionAssert.AreEqual(new Type[] { typeof(ClientDataTypeModelValidatorProvider.NumericModelValidator) }, Array.ConvertAll(validators, o => o.GetType()), "Provider did not return expected validator.");
Assert.AreEqual(0, results.Length);
Assert.IsFalse(model.PropertyWasRead(), "Property should not have been read by provider or validator.");
}