public Distinctions Compare <T>(T expected, T actual, string propertyName)
{
if (expected != null && actual == null || expected == null && actual != null)
{
return(Distinctions.Create(new Distinction(typeof(T).Name, expected, actual)));
}
var diff = new Distinctions();
if (ReferenceEquals(expected, actual))
{
return(diff);
}
var type = expected.GetType();
foreach (var mi in type.GetMembers(BindingFlags.Public | BindingFlags.Instance).Where(x =>
x.MemberType == MemberTypes.Property || x.MemberType == MemberTypes.Field))
{
var name = mi.Name;
var actualPropertyPath = MemberPathBuilder.BuildMemberPath(propertyName, mi);
if (Ignore(actualPropertyPath))
{
continue;
}
object firstValue = null;
object secondValue = null;
switch (mi.MemberType)
{
case MemberTypes.Field:
firstValue = type.GetField(name).GetValue(expected);
secondValue = type.GetField(name).GetValue(actual);
break;
case MemberTypes.Property:
firstValue = type.GetProperty(name).GetValue(expected);
secondValue = type.GetProperty(name).GetValue(actual);
break;
}
var diffRes = GetDistinctions(actualPropertyPath, firstValue, secondValue);
if (diffRes.IsNotEmpty())
{
diff.AddRange(diffRes);
}
}
return(diff);
}
public Distinctions CompareDictionary <TKey, TValue>(IDictionary <TKey, TValue> expected,
IDictionary <TKey, TValue> actual, string propertyName)
{
var diff = new Distinctions();
if (expected.Count != actual.Count)
{
return(Distinctions.Create("Dictionary has different length", expected.Count, actual.Count));
}
foreach (var kvp in expected)
{
if (!actual.TryGetValue(kvp.Key, out var secondValue))
{
diff.Add(new Distinction(kvp.Key.ToString(), "Should be", "Does not exist"));
}
var diffRes = Comparator.Compare(kvp.Value, secondValue, $"{propertyName}[{kvp.Key}]");
diff.AddRange(diffRes);
}
return(diff);
}