private bool HandleMissingValues(IComparisonContext context, Lazy<object> destinationValue, Lazy<object> sourceValue)
{
if (SourceAndDestinationPresent())
{
return false;
}
if (ignoreUnmatchedProperties)
{
return true;
}
if (currentPair.Source == null)
{
context.AddDifference("(missing)", destinationValue.Value, currentPair.Name);
results.Add(ComparisonResult.Fail);
}
if (currentPair.Destination == null)
{
context.AddDifference(sourceValue.Value, "(missing)", currentPair.Name);
results.Add(ComparisonResult.Fail);
}
return true;
}
private bool HandleMissingValues(IComparisonContext context, Lazy <object> destinationValue, Lazy <object> sourceValue)
{
if (SourceAndDestinationPresent())
{
return(false);
}
if (ignoreUnmatchedProperties)
{
return(true);
}
if (currentPair.Source == null)
{
context.AddDifference("(missing)", destinationValue.Value, currentPair.Name);
results.Add(ComparisonResult.Fail);
}
if (currentPair.Destination == null)
{
context.AddDifference(sourceValue.Value, "(missing)", currentPair.Name);
results.Add(ComparisonResult.Fail);
}
return(true);
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var value1IsEnum = value1.GetType().GetTypeInfo().IsEnum;
var value2IsEnum = value2.GetType().GetTypeInfo().IsEnum;
if (value1IsEnum && value2IsEnum)
{
if (value1.ToString() == value2.ToString())
{
return(ComparisonResult.Pass);
}
context.AddDifference(value1, value2);
return(ComparisonResult.Fail);
}
var result = value1IsEnum
? CompareEnumWithConversion(value1, value2)
: CompareEnumWithConversion(value2, value1);
if (!result)
{
context.AddDifference(value1, value2);
}
return(result ? ComparisonResult.Pass : ComparisonResult.Fail);
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var dict1 = (IDictionary)value1;
var dict2 = CastToDictionaryEntries((IDictionary)value2).ToDictionary(e => e.Key, e => e.Value);
if (dict1.Count != dict2.Count)
{
context.AddDifference(dict1.Count, dict2.Count, "Count");
return(ComparisonResult.Fail);
}
if (dict1.Count == 0)
{
return(ComparisonResult.Pass);
}
var results = new List <ComparisonResult>();
foreach (DictionaryEntry entry in dict1)
{
var key = FindKey(dict2, entry.Key);
if (key == null)
{
var difference = new MissingEntryDifference(MissingSide.Expected, entry.Key, entry.Value)
{
Breadcrumb = context.Breadcrumb,
};
context.AddDifference(difference);
continue;
}
var value = dict2[key];
var innerContext = context.VisitingIndex(key);
results.Add(ValueComparer.Compare(innerContext, entry.Value, value));
dict2.Remove(key);
}
if (dict2.Count == 0)
{
return(results.ToResult());
}
foreach (var pair in dict2)
{
var difference = new MissingEntryDifference(MissingSide.Actual, pair.Key, pair.Value)
{
Breadcrumb = context.Breadcrumb,
};
context.AddDifference(difference);
}
return(ComparisonResult.Fail);
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var type1 = value1.GetType();
var type2 = value2.GetType();
var props1 = ReflectionCache.GetProperties(type1);
var props2 = ReflectionCache.GetProperties(type2).ToDictionary(p => p.Name);
var ignored = GetIgnoredPropertiesForTypes(type1, type2);
var results = new List <ComparisonResult>();
foreach (var propertyInfo1 in props1)
{
if (ignored.Contains(propertyInfo1.Name))
{
props2.Remove(propertyInfo1.Name);
continue;
}
var propValue1 = propertyInfo1.GetValue(value1);
if (!props2.ContainsKey(propertyInfo1.Name))
{
if (!IgnoreUnmatchedProperties)
{
context.AddDifference(propValue1, "(missing)", propertyInfo1.Name);
results.Add(ComparisonResult.Fail);
}
continue;
}
var propertyInfo2 = props2[propertyInfo1.Name];
var propValue2 = propertyInfo2.GetValue(value2);
var innerContext = context.VisitingProperty(propertyInfo1.Name);
results.Add(Inner.Compare(innerContext, propValue1, propValue2));
props2.Remove(propertyInfo1.Name);
}
if (!IgnoreUnmatchedProperties && props2.Count > 0)
{
foreach (var p in props2)
{
if (ignored.Contains(p.Key))
{
continue;
}
var v = p.Value.GetValue(value2);
context.AddDifference("(missing)", v, p.Key);
results.Add(ComparisonResult.Fail);
}
}
return(results.ToResult());
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var dict1 = (IDictionary) value1;
var dict2 = CastToDictionaryEntries((IDictionary) value2).ToDictionary(e => e.Key, e => e.Value);
if (dict1.Count != dict2.Count)
{
context.AddDifference(dict1.Count, dict2.Count, "Count");
return ComparisonResult.Fail;
}
if (dict1.Count == 0)
{
return ComparisonResult.Pass;
}
var results = new List<ComparisonResult>();
foreach (DictionaryEntry entry in dict1)
{
var key = FindKey(dict2, entry.Key);
if (key == null)
{
var difference = new MissingEntryDifference(MissingSide.Expected, entry.Key, entry.Value)
{
Breadcrumb = context.Breadcrumb,
};
context.AddDifference(difference);
continue;
}
var value = dict2[key];
var innerContext = context.VisitingIndex(key);
results.Add(ValueComparer.Compare(innerContext, entry.Value, value));
dict2.Remove(key);
}
if(dict2.Count == 0)
return results.ToResult();
foreach (var pair in dict2)
{
var difference = new MissingEntryDifference(MissingSide.Actual, pair.Key, pair.Value)
{
Breadcrumb = context.Breadcrumb,
};
context.AddDifference(difference);
}
return ComparisonResult.Fail;
}
public (ComparisonResult result, IComparisonContext context) Compare(IComparisonContext context, object value1, object value2)
{
if (value1 == null && value2 == null)
{
return(ComparisonResult.Pass, context);
}
if (value1 == null || value2 == null)
{
return(ComparisonResult.Fail, context.AddDifference(value1, value2));
}
foreach (var c in Comparisons)
{
if (!c.CanCompare(value1.GetType(), value2.GetType()))
{
continue;
}
var(result, newContext) = c.Compare(context, value1, value2);
context = newContext;
if (result != ComparisonResult.Inconclusive)
{
return(result, context);
}
}
return(ComparisonResult.Inconclusive, context);
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var list1 = ((IEnumerable)value1).Cast <object>().ToArray();
var list2 = ((IEnumerable)value2).Cast <object>().ToArray();
if (list1.Length != list2.Length)
{
context.AddDifference(list1.Length, list2.Length, "Count");
return(ComparisonResult.Fail);
}
if (list1.Length == 0)
{
return(ComparisonResult.Pass);
}
var zip = list1.Zip(list2, Tuple.Create).ToArray();
var results = new List <ComparisonResult>();
var i = 0;
foreach (var p in zip)
{
var innerContext = context.VisitingIndex(i++);
results.Add(Inner.Compare(innerContext, p.Item1, p.Item2));
}
return(results.ToResult());
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
if (value1 == null && value2 == null)
{
return ComparisonResult.Pass;
}
if (value1 == null || value2 == null)
{
context.AddDifference(value1, value2);
return ComparisonResult.Fail;
}
foreach (var c in Comparisons)
{
if(!c.CanCompare(value1.GetType(), value2.GetType()))
continue;
var result = c.Compare(context, value1, value2);
if (result != ComparisonResult.Inconclusive)
return result;
}
return ComparisonResult.Inconclusive;
}
public (ComparisonResult result, IComparisonContext context) Compare(IComparisonContext context, object value1, object value2)
{
var list1 = ((IEnumerable)value1).Cast <object>().ToArray();
var list2 = ((IEnumerable)value2).Cast <object>().ToArray();
var length = list1.Length;
if (length != list2.Length)
{
return(ComparisonResult.Fail, context.AddDifference(length, list2.Length, "Count"));
}
if (length == 0)
{
return(ComparisonResult.Pass, context);
}
return(Enumerable
.Range(0, length)
.Select(i => (value1: list1[i], value2: list2[i], index: i))
.Aggregate(
(result: ComparisonResult.Inconclusive, context: context),
(acc, x) =>
{
var(newResult, newContext) = Inner.Compare(context.VisitingIndex(x.index), x.value1, x.value2);
return (acc.result.Plus(newResult), acc.context.MergeDifferencesFrom(newContext));
}
));
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
if (value1 == null && value2 == null)
{
return(ComparisonResult.Pass);
}
if (value1 == null || value2 == null)
{
context.AddDifference(value1, value2);
return(ComparisonResult.Fail);
}
foreach (var c in Comparisons)
{
if (!c.CanCompare(value1.GetType(), value2.GetType()))
{
continue;
}
var result = c.Compare(context, value1, value2);
if (result != ComparisonResult.Inconclusive)
{
return(result);
}
}
return(ComparisonResult.Inconclusive);
}
private int CompareLists(IComparisonContext context, object[] list1, object[] list2, List <ComparisonResult> results, int i)
{
foreach (var listItem in list1)
{
var matches = false;
var item1 = SerializeObject(listItem, 1);
object listIt2 = new object();
foreach (var listItem2 in list2)
{
var item2 = SerializeObject(listItem2, 1);
if (item1.Equals(item2))
{
listIt2 = listItem2;
matches = true;
break;
}
}
if (!matches)
{
context.AddDifference(listItem, JsonConvert.SerializeObject(item1), "missing");
results.Add(ComparisonResult.Fail);
}
else
{
var innerContext = context.VisitingIndex(i++);
results.Add(Inner.Compare(innerContext, listItem, listIt2));
}
}
return(i);
}
private bool SetsEqual(IComparisonContext context, object[] set1, object[] set2)
{
var expected = set2.ToList();
var extra = new List <object>();
for (int i = 0; i < set1.Length; i++)
{
var obj = set1[i];
var innerContext = new ComparisonContext();
var found = expected.FirstOrDefault(e => Inner.Compare(innerContext, obj, e) == ComparisonResult.Pass);
if (found != null)
{
expected.RemoveAll(x => x.Equals(found));
}
else
{
extra.Add(obj);
}
}
var equal = expected.Count == 0 && extra.Count == 0;
if (!equal)
{
context.AddDifference(new SetDifference(context.Breadcrumb, expected, extra));
}
return(equal);
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var list1 = ((IEnumerable) value1).Cast<object>().ToArray();
var list2 = ((IEnumerable) value2).Cast<object>().ToArray();
if (list1.Length != list2.Length)
{
context.AddDifference(list1.Length, list2.Length, "Count");
return ComparisonResult.Fail;
}
if (list1.Length == 0)
{
return ComparisonResult.Pass;
}
var zip = list1.Zip(list2, Tuple.Create).ToArray();
var results = new List<ComparisonResult>();
var i = 0;
foreach (var p in zip)
{
var innerContext = context.VisitingIndex(i++);
results.Add(Inner.Compare(innerContext, p.Item1, p.Item2));
}
return results.ToResult();
}
public static IComparisonContext AddDifference(this IComparisonContext context, object value1, object value2, string childProperty)
{
return(context.AddDifference(new BasicDifference(
context.Breadcrumb,
value1,
value2,
childProperty
)));
}
public static void AddDifference(this IComparisonContext context, object value1, object value2, string childProperty)
{
context.AddDifference(new Difference
{
Breadcrumb = context.Breadcrumb,
Value1 = value1,
Value2 = value2,
ChildProperty = childProperty
});
}
public (ComparisonResult result, IComparisonContext context) Compare(IComparisonContext context, object value1, object value2)
{
var value1IsEnum = value1.GetType().IsEnum;
var value2IsEnum = value2.GetType().IsEnum;
if (value1IsEnum && value2IsEnum)
{
return(value1.ToString() == value2.ToString()
? (ComparisonResult.Pass, context)
: (ComparisonResult.Fail, context.AddDifference(value1, value2)));
}
var areEqual = value1IsEnum
? CompareEnumWithConversion(value1, value2)
: CompareEnumWithConversion(value2, value1);
return(areEqual
? (ComparisonResult.Pass, context)
: (ComparisonResult.Fail, context.AddDifference(value1, value2)));
}
public (ComparisonResult result, IComparisonContext context) Compare(IComparisonContext context, object value1, object value2)
{
var str = (string)value1;
var regex = (Regex)value2;
if (regex.IsMatch(str))
{
return(ComparisonResult.Pass, context);
}
return(ComparisonResult.Fail, context.AddDifference(new RegexDifference(context.Breadcrumb, str, regex)));
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var value1IsEnum = value1.GetType().IsEnum;
var value2IsEnum = value2.GetType().IsEnum;
if (value1IsEnum && value2IsEnum)
{
if (value1.ToString() == value2.ToString())
return ComparisonResult.Pass;
context.AddDifference(value1, value2);
return ComparisonResult.Fail;
}
var result = value1IsEnum
? CompareEnumWithConversion(value1, value2)
: CompareEnumWithConversion(value2, value1);
if(!result)
context.AddDifference(value1, value2);
return result ? ComparisonResult.Pass : ComparisonResult.Fail;
}
public (ComparisonResult result, IComparisonContext context) Compare(IComparisonContext context, object value1, object value2)
{
var custom1 = (Custom)value1;
var custom2 = (Custom)value2;
var str1 = custom1.Value.ToString();
var str2 = custom2.Value.ToString();
if (str1.StartsWith(str2) || str2.StartsWith(str1))
{
return(ComparisonResult.Pass, context);
}
return(ComparisonResult.Fail, context.AddDifference(value1, value2));
}
private (ComparisonResult result, IComparisonContext context) CompareDoublePrecision(IComparisonContext context, object value1, object value2)
{
var num1 = Convert.ToDouble(value1);
var num2 = Convert.ToDouble(value2);
if (num1 == num2)
{
return(ComparisonResult.Pass, context);
}
if (doubleTolerance == 0.0f)
{
return(ComparisonResult.Fail, context.AddDifference(value1, value2));
}
var epsilon = Math.Max(Math.Abs(num1), Math.Abs(num2)) * doubleTolerance;
if (epsilon == 0.0 || Math.Abs(num1 - num2) < epsilon)
{
return(ComparisonResult.Pass, context);
}
return(ComparisonResult.Fail, context.AddDifference(value1, value2));
}
public (ComparisonResult result, IComparisonContext context) Compare(IComparisonContext context, object value1, object value2)
{
var set1 = ((IEnumerable)value1).Cast <object>().ToArray();
var set2 = ((IEnumerable)value2).Cast <object>().ToArray();
if (set1.Length != set2.Length)
{
return(ComparisonResult.Fail, context.AddDifference(set1.Length, set2.Length, "Count"));
}
if (set1.Length == 0)
{
return(ComparisonResult.Pass, context);
}
return(SetsEqual(context, set1, set2));
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var set1 = ((IEnumerable) value1).Cast<object>().ToArray();
var set2 = ((IEnumerable) value2).Cast<object>().ToArray();
if (set1.Length != set2.Length)
{
context.AddDifference(set1.Length, set2.Length, "Count");
return ComparisonResult.Fail;
}
if (set1.Length == 0)
{
return ComparisonResult.Pass;
}
var result = SetsEqual(context, set1, set2);
return result ? ComparisonResult.Pass : ComparisonResult.Fail;
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var set1 = ((IEnumerable)value1).Cast <object>().ToArray();
var set2 = ((IEnumerable)value2).Cast <object>().ToArray();
if (set1.Length != set2.Length)
{
context.AddDifference(set1.Length, set2.Length, "Count");
return(ComparisonResult.Fail);
}
if (set1.Length == 0)
{
return(ComparisonResult.Pass);
}
var result = SetsEqual(context, set1, set2);
return(result ? ComparisonResult.Pass : ComparisonResult.Fail);
}
public ComparisonResult Compare(IComparisonContext context, object value1, object value2)
{
var type1 = value1.GetType();
if (IsSkipped(type1))
{
return(ComparisonResult.Inconclusive);
}
if (value1.Equals(value2))
{
return(ComparisonResult.Pass);
}
if (ReflectionCache.IsValueType(type1))
{
context.AddDifference(value1, value2);
return(ComparisonResult.Fail);
}
return(ComparisonResult.Inconclusive);
}
private (ComparisonResult result, IComparisonContext context) SetsEqual(IComparisonContext context, object[] set1, object[] set2)
{
var expected = set2.ToList();
var extra = new List <object>();
foreach (var obj in set1)
{
var innerContext = new ComparisonContext();
var found = expected.FirstOrDefault(e => Inner.Compare(innerContext, obj, e).result == ComparisonResult.Pass);
if (found != null)
{
expected.RemoveAll(x => ReferenceEquals(x, found));
}
else
{
extra.Add(obj);
}
}
var equal = expected.Count == 0 && extra.Count == 0;
if (!equal)
{
return(
ComparisonResult.Fail,
context.AddDifference(
new SetDifference(
context.Breadcrumb,
expected,
extra
)
)
);
}
return(ComparisonResult.Pass, context);
}
public (ComparisonResult result, IComparisonContext context) Compare(IComparisonContext context, object value1, object value2)
{
var type1 = value1.GetType();
var type2 = value2.GetType();
if (IsSkipped(type1) || IsSkipped(type2))
{
return(ComparisonResult.Inconclusive, context);
}
if (type1 != type2)
{
if (CoerceValues(ref value1, ref value2))
{
type1 = value1.GetType();
type2 = value2.GetType();
if (type1 != type2)
{
return(ComparisonResult.Inconclusive, context);
}
}
}
if (value1.Equals(value2))
{
return(ComparisonResult.Pass, context);
}
if (ReflectionCache.IsValueType(type1))
{
return(ComparisonResult.Fail, context.AddDifference(value1, value2));
}
return(ComparisonResult.Inconclusive, context);
}
private bool SetsEqual(IComparisonContext context, object[] set1, object[] set2)
{
var expected = set2.ToList();
var extra = new List<object>();
for (int i = 0; i < set1.Length; i++)
{
var obj = set1[i];
var innerContext = new ComparisonContext();
var found = expected.FirstOrDefault(e => Inner.Compare(innerContext, obj, e) == ComparisonResult.Pass);
if (found != null)
expected.RemoveAll(x => x.Equals(found));
else
extra.Add(obj);
}
var equal = expected.Count == 0 && extra.Count == 0;
if (!equal)
{
context.AddDifference(new SetDifference(context.Breadcrumb, expected, extra));
}
return equal;
}