public void GetValidatorsReturnsValidatorForIDataErrorInfoRootType()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider =
new DataErrorInfoModelValidatorProvider();
DataErrorInfo1 model = new DataErrorInfo1();
ModelMetadata metadata = _metadataProvider.GetMetadataForType(
() => model,
typeof(DataErrorInfo1)
);
Type[] expectedTypes = new Type[]
{
typeof(DataErrorInfoModelValidatorProvider.DataErrorInfoClassModelValidator)
};
// Act
Type[] actualTypes = validatorProvider
.GetValidators(metadata, new ControllerContext())
.Select(v => v.GetType())
.ToArray();
// Assert
Assert.Equal(expectedTypes, actualTypes);
}
public void PropertyValidator_Validate_DoesNotReadPropertyValue()
{
// Arrange
ObservableModel model = new ObservableModel();
ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(
() => model.TheProperty,
typeof(ObservableModel),
"TheProperty"
);
ControllerContext controllerContext = new ControllerContext();
// Act
ModelValidator[] validators = new DataErrorInfoModelValidatorProvider()
.GetValidators(metadata, controllerContext)
.ToArray();
ModelValidationResult[] results = validators
.SelectMany(o => o.Validate(model))
.ToArray();
// Assert
Assert.Equal(
new[]
{
typeof(DataErrorInfoModelValidatorProvider.DataErrorInfoPropertyModelValidator)
},
Array.ConvertAll(validators, o => o.GetType())
);
Assert.Equal(new[] { "TheProperty" }, model.GetColumnNamesPassed().ToArray());
Assert.Empty(results);
Assert.False(model.PropertyWasRead());
}
public void GetValidatorsThrowsIfMetadataIsNull()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider = new DataErrorInfoModelValidatorProvider();
// Act & assert
Assert.ThrowsArgumentNull(
delegate { validatorProvider.GetValidators(null, new ControllerContext()); }, "metadata");
}
public void GetValidatorsThrowsIfMetadataIsNull()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider = new DataErrorInfoModelValidatorProvider();
// Act & assert
Assert.ThrowsArgumentNull(
delegate { validatorProvider.GetValidators(null, new ControllerContext()); }, "metadata");
}
public void GetValidatorsThrowsIfContextIsNull()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider = new DataErrorInfoModelValidatorProvider();
ModelMetadata metadata = _metadataProvider.GetMetadataForType(null, typeof(DataErrorInfo1));
// Act & assert
Assert.ThrowsArgumentNull(
delegate { validatorProvider.GetValidators(metadata, null); }, "context");
}
public void GetValidatorsThrowsIfContextIsNull()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider = new DataErrorInfoModelValidatorProvider();
ModelMetadata metadata = _metadataProvider.GetMetadataForType(null, typeof(DataErrorInfo1));
// Act & assert
Assert.ThrowsArgumentNull(
delegate { validatorProvider.GetValidators(metadata, null); }, "context");
}
public void GetValidatorsReturnsEmptyCollectionIfTypeNotIDataErrorInfo()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider = new DataErrorInfoModelValidatorProvider();
object model = new object();
ModelMetadata metadata = _metadataProvider.GetMetadataForType(() => model, typeof(object));
// Act
ModelValidator[] validators = validatorProvider.GetValidators(metadata, new ControllerContext()).ToArray();
// Assert
Assert.Empty(validators);
}
public void GetValidatorsReturnsEmptyCollectionIfTypeNotIDataErrorInfo()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider = new DataErrorInfoModelValidatorProvider();
object model = new object();
ModelMetadata metadata = _metadataProvider.GetMetadataForType(() => model, typeof(object));
// Act
ModelValidator[] validators = validatorProvider.GetValidators(metadata, new ControllerContext()).ToArray();
// Assert
Assert.Empty(validators);
}
public void GetValidatorsReturnsValidatorForIDataErrorInfoRootType()
{
// Arrange
DataErrorInfoModelValidatorProvider validatorProvider = new DataErrorInfoModelValidatorProvider();
DataErrorInfo1 model = new DataErrorInfo1();
ModelMetadata metadata = _metadataProvider.GetMetadataForType(() => model, typeof(DataErrorInfo1));
Type[] expectedTypes = new Type[]
{
typeof(DataErrorInfoModelValidatorProvider.DataErrorInfoClassModelValidator)
};
// Act
Type[] actualTypes = validatorProvider.GetValidators(metadata, new ControllerContext()).Select(v => v.GetType()).ToArray();
// Assert
Assert.Equal(expectedTypes, actualTypes);
}
public void PropertyValidator_Validate_DoesNotReadPropertyValue()
{
// Arrange
ObservableModel model = new ObservableModel();
ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => model.TheProperty, typeof(ObservableModel), "TheProperty");
ControllerContext controllerContext = new ControllerContext();
// Act
ModelValidator[] validators = new DataErrorInfoModelValidatorProvider().GetValidators(metadata, controllerContext).ToArray();
ModelValidationResult[] results = validators.SelectMany(o => o.Validate(model)).ToArray();
// Assert
CollectionAssert.AreEqual(new Type[] { typeof(DataErrorInfoModelValidatorProvider.DataErrorInfoPropertyModelValidator) }, Array.ConvertAll(validators, o => o.GetType()), "Provider did not return expected validator.");
CollectionAssert.AreEquivalent(new string[] { "TheProperty" }, model.GetColumnNamesPassed(), "Model.get_Item() was not called as expected.");
Assert.AreEqual(0, results.Length);
Assert.IsFalse(model.PropertyWasRead(), "Property should not have been read by provider or validator.");
}
public void PropertyValidator_Validate_DoesNotReadPropertyValue()
{
// Arrange
ObservableModel model = new ObservableModel();
ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => model.TheProperty, typeof(ObservableModel), "TheProperty");
ControllerContext controllerContext = new ControllerContext();
// Act
ModelValidator[] validators = new DataErrorInfoModelValidatorProvider().GetValidators(metadata, controllerContext).ToArray();
ModelValidationResult[] results = validators.SelectMany(o => o.Validate(model)).ToArray();
// Assert
Assert.Equal(new[] { typeof(DataErrorInfoModelValidatorProvider.DataErrorInfoPropertyModelValidator) }, Array.ConvertAll(validators, o => o.GetType()));
Assert.Equal(new[] { "TheProperty" }, model.GetColumnNamesPassed().ToArray());
Assert.Empty(results);
Assert.False(model.PropertyWasRead());
}
