public override IEnumerable <Difference> CalculateDifferences(IList <FormulaItem> obj1, IList <FormulaItem> obj2)
{
if (obj1 == null && obj2 == null)
{
yield break;
}
if (obj1 == null || obj2 == null)
{
yield return(new Difference("", DefaultValueComparer.ToString(obj1), DefaultValueComparer.ToString(obj2)));
yield break;
}
if (obj1.Count != obj2.Count)
{
yield return(new Difference("Count", obj1.Count.ToString(), obj2.Count.ToString(),
DifferenceTypes.NumberOfElementsMismatch));
}
foreach (var formulaItem in obj1)
{
var formulaItem2 = obj2.FirstOrDefault(fi => fi.Id == formulaItem.Id);
if (formulaItem2 != null)
{
var comparer = Factory.GetObjectsComparer <FormulaItem>();
foreach (var difference in comparer.CalculateDifferences(formulaItem, formulaItem2))
{
yield return(difference.InsertPath($"[Id={formulaItem.Id}]"));
}
}
}
}
public void Compare(object value, string expectedResult)
{
var comparer = new DefaultValueComparer();
var actualResult = comparer.ToString(value);
Assert.AreEqual(expectedResult, actualResult);
}