public EnumToLookup()
{
// set default behaviour, can be overridden by setting properties on object before calling Apply()
NameFieldLength = 255;
TableNamePrefix = "Enum_";
_enumParser = new EnumParser { SplitWords = true };
}
/// <summary>
///
/// </summary>
public EnumToLookup()
{
// set default behaviour, can be overridden by setting properties on object before calling Apply()
NameFieldLength = 255;
TableNamePrefix = "Enum_";
_enumParser = new EnumParser {
SplitWords = true
};
}
public void ReadsDecoratedName()
{
// arrange
var parser = new EnumParser { SplitWords = true };
// act
var result = parser.GetLookupValues(typeof(DecoratedEnum));
// assert
Assert.AreEqual("Wide boy", result.Single().Name);
}
public void ReadsByteEnum()
{
// arrange
var parser = new EnumParser { SplitWords = false };
// act
var result = parser.GetLookupValues(typeof(ByteEnum));
// assert
Assert.AreEqual("FooBar", result.Single().Name);
}
/// <summary>
/// Loops through the values in an enum type and gets the ids and names
/// for use in the generated lookup table.
/// </summary>
/// <param name="lookup">Enum to process</param>
/// <param name="getDescriptions">Descriptions of enumeration members should be got out of <see cref="DescriptionAttribute"/> got, because it will be used for DB description column.</param>
/// <exception cref="System.ArgumentException">Lookup type must be an enum;lookup</exception>
public ICollection <LookupValue> GetLookupValues(Type lookup, bool getDescriptions = false)
{
if (!lookup.IsEnum)
{
throw new ArgumentException("Lookup type must be an enum", "lookup");
}
var namesWithDescription = !getDescriptions;
var values = new List <LookupValue>();
foreach (Enum value in Enum.GetValues(lookup))
{
if (IsRuntimeOnly(value))
{
continue;
}
// avoid cast error for byte enums by converting to int before using a cast
// https://github.com/timabell/ef-enum-to-lookup/issues/20
var numericValue = Convert.ChangeType(value, typeof(int));
var lookupValue = new LookupValue
{
Id = (int)numericValue,
Name = EnumName(value, !getDescriptions),
};
if (getDescriptions)
{
lookupValue.Description = EnumParser.EnumDescriptionValue(value);
}
values.Add(lookupValue);
}
return(values);
}
