public void Copy_WithNull_ReturnsNull()
{
// arrange
DisplayAttribute displayAttribute = null;
// act
var copy = displayAttribute.Copy();
// assert
Assert.Null(copy);
}
public void Copy_WithDisplayAttribute_ReturnsNewInstance()
{
// arrange
var displayAttribute = new DisplayAttribute();
// act
var copy = displayAttribute.Copy();
// assert
Assert.NotSame(displayAttribute, copy);
}
public void Copy_WithDisplayAttribute_ReturnsNewInstanceWithCopiedProperties()
{
// arrange
var displayAttribute = new DisplayAttribute {
Name = "TheName",
Description = "TheDescription",
ResourceType = typeof(object)
};
// act
var copy = displayAttribute.Copy();
// assert
Assert.Equal(displayAttribute.Name, copy.Name);
}
/// <summary>
/// Gets the metadata for the specified property.
/// </summary>
/// <returns>
/// The metadata for the property.
/// </returns>
/// <param name="attributes">The attributes.</param>
/// <param name="containerType">The type of the container.</param>
/// <param name="modelAccessor">The model accessor.</param>
/// <param name="modelType">The type of the model.</param>
/// <param name="propertyName">The name of the property.</param>
protected override ModelMetadata CreateMetadata([NotNull] IEnumerable <Attribute> attributes, Type containerType, Func <object> modelAccessor, Type modelType, string propertyName)
{
List <Attribute> newAttributes = null;
if (LocalizationConventions.Enabled && containerType != null && !string.IsNullOrEmpty(propertyName))
{
var defaultResourceType = LocalizationConventions.GetDefaultResourceType(containerType);
if (defaultResourceType != null)
{
newAttributes = new List <Attribute>();
DisplayAttribute displayAttribute = null;
foreach (var attribute in attributes)
{
if (attribute is ValidationAttribute)
{
ValidationAttributeTransformer.Value.Transform((ValidationAttribute)attribute, containerType, propertyName, defaultResourceType);
newAttributes.Add(attribute);
}
else if (attribute is DisplayAttribute)
{
displayAttribute = attribute as DisplayAttribute;
}
else
{
newAttributes.Add(attribute);
}
}
// ensure DisplayAttribute and clone existing
displayAttribute = displayAttribute.Copy() ?? new DisplayAttribute();
DisplayAttributeTransformer.Value.Transform(displayAttribute, containerType, propertyName, defaultResourceType);
newAttributes.Add(displayAttribute);
}
}
var metadata = base.CreateMetadata(newAttributes ?? attributes, containerType, modelAccessor, modelType, propertyName);
DisplayNameTransformer.Value.Transform(metadata);
return(metadata);
}
