public void PrimaryKeysCanBeInitialized()
{
PrimaryClass primary = new PrimaryClass();
Assert.IsNotNull(primary);
var properties = typeof(PrimaryClass).GetProperties().Where(prop => prop.IsDefined(typeof(PrimaryKey), false)).ToList();
Assert.IsNotNull(properties);
Assert.AreEqual(1, properties.Count);
Assert.AreEqual("ID", properties[0].Name);
}
public void HowToUseForeignKey()
{
ForeignClass foreign = new ForeignClass();
List <PrimaryClass> primaryTable = new List <PrimaryClass>();
primaryTable.Add(new PrimaryClass()
{
ID = foreign.RefId
});
PropertyInfo fkProperty = typeof(ForeignClass).GetProperties().Where(prop => prop.IsDefined(typeof(ForeignKey), false)).First();
ForeignKey fkAttribute = (ForeignKey)fkProperty.GetCustomAttributes(typeof(ForeignKey), false).First();
Assert.AreEqual(typeof(PrimaryClass), fkAttribute.TargetClass);
Assert.AreEqual("ID", fkAttribute.TargetField.Name);
PropertyInfo pkPropertyOfPrimary = fkAttribute.TargetClass.GetProperties().Where(x => x == fkAttribute.TargetField).First();
PrimaryClass primaryEntry = primaryTable.Where(x => (Guid)pkPropertyOfPrimary.GetValue(x) == foreign.RefId).First();
Assert.IsNotNull(primaryEntry);
}