public bool CompareItem(object expected, object actual, PropertyPathItem propertyPath)
{
var valueComparison = new ValueComparison(propertyPath, expected, actual);
valueComparison.AreSame = true;
var previousComparison = this.comparisons.SingleOrDefault(x => x.Equals(valueComparison));
if (previousComparison != null)
{
this.Log.Log(LogLevel.Info, valueComparison, "The comparison between these values has already been done, skipping the property.");
return previousComparison.AreSame;
}
else
{
this.comparisons.Add(valueComparison);
}
var comparator = this.Rules.GetComparator(valueComparison);
if (this.Rules.IsIgnored(valueComparison))
{
this.Log.Log(LogLevel.Info, valueComparison, "{0}: The property is ignored", valueComparison.PropertyPath);
}
else if (!this.IsNullComparisonMatch(expected, actual))
{
this.AddDifference(valueComparison);
valueComparison.AreSame = false;
}
else if (ReferenceEquals(expected, null) && ReferenceEquals(actual, null))
{
}
else if (ReferenceEquals(expected, actual))
{
}
// ReSharper disable once PossibleNullReferenceException
else if (expected.GetType() != actual.GetType())
{
valueComparison.Message = string.Format(
"The types do not match, the expected type is {0} but the actual one is {1}.",
expected.GetType(),
actual.GetType());
this.AddDifference(valueComparison);
valueComparison.AreSame = false;
}
else
{
valueComparison.AreSame = comparator.Compare(this, valueComparison);
}
return valueComparison.AreSame;
}
public void AddDifference(ValueComparison valueComparison)
{
if (string.IsNullOrEmpty(valueComparison.Message))
{
valueComparison.Message = string.Format(
"{0}: The property values do not match, expected is {1}, but the actual {2}.",
valueComparison.PropertyPath,
valueComparison.ExpectedValue ?? "[Null]",
valueComparison.ActualValue ?? "[Null]");
}
this.Log.Log(LogLevel.Error, valueComparison);
this.Result.DifferencesList.Add(valueComparison);
}