private bool CompareSchemaLocationAttribute(
XmlCompareContext context,
XAttribute expectedAttribute,
XAttribute actualAttribute,
XElement expectedElement,
XElement actualElement)
{
XmlComparison comparison = null;
if (expectedAttribute != null && actualAttribute != null)
{
if (expectedAttribute.Value != actualAttribute.Value)
{
comparison = new XmlComparison(
XmlComparisonType.SchemaLocation,
new XmlComparisonDetails(expectedElement, expectedAttribute),
new XmlComparisonDetails(actualElement, expectedAttribute));
}
}
else if (!object.ReferenceEquals(expectedAttribute, actualAttribute))
{
comparison = new XmlComparison(
XmlComparisonType.SchemaLocation,
new XmlComparisonDetails(expectedElement, expectedAttribute != null),
new XmlComparisonDetails(actualElement, expectedAttribute != null));
}
return(comparison == null || this.HandleDifference(context, comparison));
}
private bool CompareDocuments(XmlCompareContext context, XDocument expected, XDocument actual)
{
if (!this.IgnoreDeclarations)
{
if (!this.CompareDeclarations(context, expected, actual))
{
return(false);
}
}
if (!this.IgnoreDocumentTypes)
{
if (!this.CompareDocumentTypes(context, expected, actual))
{
return(false);
}
}
if (!this.CompareContainers(context, expected, actual))
{
return(false);
}
return(true);
}
private bool CompareProcessingInstructions(XmlCompareContext context, XProcessingInstruction expectedInstruction, XProcessingInstruction actualInstruction)
{
if (!this.IgnoreProcessingInstructions)
{
if (expectedInstruction.Target != actualInstruction.Target)
{
var comparison = new XmlComparison(
XmlComparisonType.ProcessingInstructionTarget,
new XmlComparisonDetails(expectedInstruction, expectedInstruction.Target),
new XmlComparisonDetails(actualInstruction, actualInstruction.Target));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
if (expectedInstruction.Data != actualInstruction.Data)
{
var comparison = new XmlComparison(
XmlComparisonType.ProcessingInstructionData,
new XmlComparisonDetails(expectedInstruction, expectedInstruction.Data),
new XmlComparisonDetails(actualInstruction, actualInstruction.Data));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
}
return(true);
}
private bool CompareElements(XmlCompareContext context, XElement expectedElement, XElement actualElement)
{
if (expectedElement.Name != actualElement.Name)
{
var comparisonType = XmlComparisonType.ElementName;
if (expectedElement.Name.LocalName == actualElement.Name.LocalName)
{
comparisonType = XmlComparisonType.NamespaceUri;
}
var comparison = new XmlComparison(
comparisonType,
new XmlComparisonDetails(expectedElement, expectedElement.Name),
new XmlComparisonDetails(actualElement, actualElement.Name));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
if (context.State == XmlComparisonState.Different)
{
return(true);
}
}
if (!this.CompareAttributes(context, expectedElement, actualElement))
{
return(false);
}
if (expectedElement.HasElements)
{
return(this.CompareContainers(context, expectedElement, actualElement));
}
if (!this.TextEquals(expectedElement.Value, actualElement.Value))
{
var comparison = new XmlComparison(
XmlComparisonType.TextValue,
new XmlComparisonDetails(expectedElement, expectedElement.Value),
new XmlComparisonDetails(actualElement, actualElement.Value));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
return(true);
}
private bool CompareDocumentTypes(XmlCompareContext context, XDocument expectedDocument, XDocument actualDocument)
{
var expectedDocumentType = expectedDocument.DocumentType;
var actualDocumentType = actualDocument.DocumentType;
if (expectedDocumentType == null || actualDocumentType == null)
{
if (expectedDocumentType != actualDocumentType)
{
var comparison = new XmlComparison(
XmlComparisonType.Doctype,
new XmlComparisonDetails(expectedDocument, expectedDocumentType),
new XmlComparisonDetails(actualDocument, actualDocumentType));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
return(true);
}
if (string.Compare(expectedDocumentType.PublicId, actualDocumentType.PublicId, StringComparison.OrdinalIgnoreCase) != 0)
{
var comparison = new XmlComparison(
XmlComparisonType.DoctypePublicId,
new XmlComparisonDetails(expectedDocument, expectedDocumentType.PublicId),
new XmlComparisonDetails(actualDocument, actualDocumentType.PublicId));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
if (string.Compare(expectedDocumentType.SystemId, actualDocumentType.SystemId, StringComparison.OrdinalIgnoreCase) != 0)
{
var comparison = new XmlComparison(
XmlComparisonType.DoctypePublicId,
new XmlComparisonDetails(expectedDocument, expectedDocumentType.SystemId),
new XmlComparisonDetails(actualDocument, actualDocumentType.SystemId));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
return(true);
}
private bool HandleDifference(XmlCompareContext context, XmlComparison comparison)
{
var state = this.Analyzer.Analyze(comparison);
context.SetState(state);
if (state != XmlComparisonState.Equal)
{
var item = new XmlDifference(state, comparison);
context.Differences.Add(item);
return(this.Handler(context));
}
return(true);
}
private bool CompareText(XmlCompareContext context, XText expectedText, XText actualText)
{
if (!this.TextEquals(expectedText.Value, actualText.Value))
{
var comparison = new XmlComparison(
XmlComparisonType.TextValue,
new XmlComparisonDetails(expectedText, expectedText),
new XmlComparisonDetails(actualText, actualText));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
return(true);
}
public XmlComparisonResult Compare(XNode expected, XNode actual)
{
if (expected == null)
{
throw new ArgumentNullException("expected");
}
if (actual == null)
{
throw new ArgumentNullException("actual");
}
var context = new XmlCompareContext();
this.CompareNodes(context, expected, actual);
return(new XmlComparisonResult(context.FinalState, context.Differences));
}
private bool CompareComments(XmlCompareContext context, XComment expectedComment, XComment actualComment)
{
if (!this.IgnoreComments)
{
if (!this.TextEquals(expectedComment.Value, actualComment.Value))
{
var comparison = new XmlComparison(
XmlComparisonType.Comment,
new XmlComparisonDetails(expectedComment, expectedComment.Value),
new XmlComparisonDetails(actualComment, actualComment.Value));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
}
return(true);
}
public XmlComparisonResult Compare(TextReader expectedReader, TextReader actualReader)
{
if (expectedReader == null)
{
throw new ArgumentNullException("expectedReader");
}
if (actualReader == null)
{
throw new ArgumentNullException("actualReader");
}
var options = LoadOptions.SetLineInfo;
var expected = XDocument.Load(expectedReader, options);
var actual = XDocument.Load(actualReader, options);
var context = new XmlCompareContext();
this.CompareDocuments(context, expected, actual);
return(new XmlComparisonResult(context.FinalState, context.Differences));
}
private bool CompareNodes(XmlCompareContext context, XNode expectedNode, XNode actualNode)
{
if (actualNode.NodeType != expectedNode.NodeType)
{
var comparison = new XmlComparison(
XmlComparisonType.NodeType,
new XmlComparisonDetails(expectedNode, expectedNode.NodeType),
new XmlComparisonDetails(actualNode, expectedNode.NodeType));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
return(true);
}
switch (actualNode.NodeType)
{
case XmlNodeType.Document:
return(this.CompareDocuments(context, (XDocument)expectedNode, (XDocument)actualNode));
case XmlNodeType.ProcessingInstruction:
return(this.CompareProcessingInstructions(context, (XProcessingInstruction)expectedNode, (XProcessingInstruction)actualNode));
case XmlNodeType.CDATA:
case XmlNodeType.Text:
return(this.CompareText(context, (XText)expectedNode, (XText)actualNode));
case XmlNodeType.Comment:
return(this.CompareComments(context, (XComment)expectedNode, (XComment)actualNode));
case XmlNodeType.Element:
return(this.CompareElements(context, (XElement)expectedNode, (XElement)actualNode));
}
throw new XmlCompareException(string.Format("Unexpected node type \"{0}\".", actualNode.NodeType));
}
public static bool StopWhenNotEquals(XmlCompareContext context)
{
return(false);
}
public static bool Default(XmlCompareContext context)
{
return(true);
}
private bool CompareContainers(XmlCompareContext context, XContainer expectedContainer, XContainer actualContainer)
{
var expectedNodes = expectedContainer.Nodes().Where(this.IsAcceptableType).ToList();
var actualNodes = actualContainer.Nodes().Where(this.IsAcceptableType).ToList();
if (expectedNodes.Count != actualNodes.Count)
{
var comparison = new XmlComparison(
XmlComparisonType.NodeList,
new XmlComparisonDetails(expectedContainer, expectedNodes.Count),
new XmlComparisonDetails(actualContainer, actualNodes.Count));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
var matches = this.NodeMatcher.MatchNodes(expectedNodes, actualNodes);
foreach (var match in matches)
{
var expectedNode = match.ExpectedNode;
var actualNode = match.ActualNode;
if (actualNode == null)
{
var comparison = new XmlComparison(
XmlComparisonType.NodeListLookup,
new XmlComparisonDetails(expectedContainer, expectedNode),
new XmlComparisonDetails(actualContainer, null));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
else
{
if (expectedNode.NodeType == XmlNodeType.Element &&
actualNode.NodeType == XmlNodeType.Element)
{
var expectedIndex = ((XElement)expectedNode).GetElementIndex();
var actualIndex = ((XElement)actualNode).GetElementIndex();
if (expectedIndex != actualIndex)
{
var comparison = new XmlComparison(
XmlComparisonType.NodeListSequence,
new XmlComparisonDetails(expectedNode, expectedIndex),
new XmlComparisonDetails(actualNode, actualIndex));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
}
if (!this.CompareNodes(context, expectedNode, actualNode))
{
return(false);
}
}
}
return(true);
}
private bool CompareAttributes(XmlCompareContext context, XElement expectedElement, XElement actualElement)
{
var expectedAttributes = new Attributes(expectedElement);
var actualAttributes = new Attributes(actualElement);
if (expectedAttributes.Items.Count != actualAttributes.Items.Count)
{
var comparison = new XmlComparison(
XmlComparisonType.AttributeList,
new XmlComparisonDetails(expectedElement, expectedAttributes.Items.Count),
new XmlComparisonDetails(actualElement, actualAttributes.Items.Count));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
if (!this.CompareSchemaLocationAttribute(
context,
expectedAttributes.SchemaLocation,
actualAttributes.SchemaLocation,
expectedElement,
actualElement))
{
return(false);
}
if (!this.CompareSchemaLocationAttribute(
context,
expectedAttributes.NoNamespaceSchemaLocation,
actualAttributes.NoNamespaceSchemaLocation,
expectedElement,
actualElement))
{
return(false);
}
foreach (var expectedAttribute in expectedAttributes.Declarations)
{
var actualAttribute = actualAttributes.Declarations.FirstOrDefault(x => x.Name == expectedAttribute.Name);
if (actualAttribute == null)
{
actualAttribute = actualAttributes.Declarations.FirstOrDefault(x => x.Value == expectedAttribute.Value);
if (actualAttribute != null)
{
var comparison = new XmlComparison(
XmlComparisonType.NamespacePrefix,
new XmlComparisonDetails(expectedElement, expectedAttribute),
new XmlComparisonDetails(actualElement, actualAttribute));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
else
{
var comparison = new XmlComparison(
XmlComparisonType.NamespaceUri,
new XmlComparisonDetails(expectedElement, expectedAttribute),
new XmlComparisonDetails(actualElement, actualAttribute));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
}
}
foreach (var expectedAttribute in expectedAttributes.Items)
{
var actualAttribute = actualAttributes.Items.FirstOrDefault(x => x.Name == expectedAttribute.Name);
if (actualAttribute == null)
{
actualAttribute = actualAttributes.Items.FirstOrDefault(x => x.Name.LocalName == expectedAttribute.Name.LocalName);
if (actualAttribute != null)
{
var comparison = new XmlComparison(
XmlComparisonType.NamespaceUri,
new XmlComparisonDetails(expectedElement, expectedAttribute),
new XmlComparisonDetails(actualElement, actualAttribute));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
}
if (actualAttribute == null)
{
var comparison = new XmlComparison(
XmlComparisonType.AttributeLookup,
new XmlComparisonDetails(expectedElement, expectedAttribute),
new XmlComparisonDetails(actualElement, actualAttribute));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
else if (!this.TextEquals(expectedAttribute.Value, actualAttribute.Value))
{
var comparison = new XmlComparison(
XmlComparisonType.AttributeValue,
new XmlComparisonDetails(expectedElement, expectedAttribute.Value),
new XmlComparisonDetails(actualElement, actualAttribute.Value));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
}
return(true);
}
private bool CompareDeclarations(XmlCompareContext context, XDocument expectedDocument, XDocument actualDocument)
{
var expectedDeclaration = expectedDocument.Declaration;
var actualDeclaration = actualDocument.Declaration;
if (expectedDeclaration == null || actualDeclaration == null)
{
if (!object.ReferenceEquals(expectedDeclaration, actualDeclaration))
{
var comparison = new XmlComparison(
XmlComparisonType.Declaration,
new XmlComparisonDetails(expectedDocument, expectedDeclaration != null),
new XmlComparisonDetails(actualDocument, actualDeclaration != null));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
return(true);
}
if (expectedDeclaration.Encoding != actualDeclaration.Encoding)
{
var comparison = new XmlComparison(
XmlComparisonType.Encoding,
new XmlComparisonDetails(expectedDocument, expectedDeclaration.Encoding),
new XmlComparisonDetails(actualDocument, actualDeclaration.Encoding));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
if (expectedDeclaration.Standalone != actualDeclaration.Standalone)
{
var comparison = new XmlComparison(
XmlComparisonType.Standalone,
new XmlComparisonDetails(expectedDocument, expectedDeclaration.Standalone),
new XmlComparisonDetails(actualDocument, actualDeclaration.Standalone));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
if (expectedDeclaration.Version != actualDeclaration.Version)
{
var comparison = new XmlComparison(
XmlComparisonType.Version,
new XmlComparisonDetails(expectedDocument, expectedDeclaration.Version),
new XmlComparisonDetails(actualDocument, actualDeclaration.Version));
if (!this.HandleDifference(context, comparison))
{
return(false);
}
}
return(true);
}
public static bool StopWhenDifference(XmlCompareContext context)
{
return(context.State == XmlComparisonState.Different);
}
