private static void CheckOrder <T>(
IReadOnlyList <T> expecteds,
IReadOnlyList <T> actuals,
Func <T, XName> nameGetter,
string errorMessage,
XmlAssertOptions options)
where T : IXAndSource
{
if (expecteds == null || actuals == null)
{
return;
}
var nameComparer = XNameComparer.GetFor(options);
var actualIndex = 0;
foreach (var expected in expecteds)
{
var indexOf = actuals.IndexOf(expected, nameGetter, actualIndex, nameComparer);
if (indexOf < 0)
{
continue;
}
if (actualIndex > indexOf)
{
var actual = actuals[indexOf];
var message = CreateMessage(expected, actual, errorMessage);
throw new AssertException(message);
}
actualIndex = indexOf;
}
}
private static void Equal(
XElementAndSource expected,
XElementAndSource actual,
IEqualityComparer <XElement> customElementComparer,
IEqualityComparer <XAttribute> customAttributeComparer,
XmlAssertOptions options)
{
CheckAttributes(expected, actual, customAttributeComparer, options);
if ((expected?.AllElements.Count ?? 0) == 0 && (actual?.AllElements.Count ?? 0) == 0)
{
if (XElementComparer.GetFor(options).Equals(expected?.Element, actual?.Element))
{
return;
}
if (customElementComparer?.Equals(expected?.Element, actual?.Element) == true)
{
return;
}
var message = CreateMessage(expected, actual);
throw new AssertException(message);
}
var nameComparer = XNameComparer.GetFor(options);
if (!nameComparer.Equals(expected?.Element.Name, actual?.Element.Name))
{
var message = CreateMessage(expected, actual);
throw new AssertException(message);
}
if (!options.IsSet(XmlAssertOptions.IgnoreElementOrder))
{
var expectedElements = expected?.AllElements;
var actualElements = actual?.AllElements;
CheckOrder(expectedElements,
actualElements,
x => x.Element.Name,
" The order of elements is incorrect.",
options);
}
var expectedElementsToCheck = expected?.ElementsToCheck;
var actualElementsToCheck = actual?.ElementsToCheck;
for (int i = 0; i < Math.Max(expectedElementsToCheck?.Count ?? 0, actualElementsToCheck?.Count ?? 0); i++)
{
var expectedChild = expectedElementsToCheck.ElementAtOrDefault(i);
var actualChild = actualElementsToCheck.ElementAtOrDefault(i);
Equal(expectedChild, actualChild, customElementComparer, customAttributeComparer, options);
}
}
private IReadOnlyList <XElementAndSource> GetAllElements()
{
var elementAndSources = this.Element.Elements().Select(x => new XElementAndSource(this.SourceXml, x, this.Options));
if (this.Options.IsSet(XmlAssertOptions.IgnoreElementOrder))
{
var nameComparer = XNameComparer.GetFor(this.Options);
return(elementAndSources.OrderBy(x => x.Element.Name, nameComparer)
.ToList());
}
return(elementAndSources.ToList());
}
private IReadOnlyList <XAttributeAndSource> GetAllAttributes()
{
var attributeAndSources = this.Element.Attributes()
.Where(x => !(this.Options.HasFlag(XmlAssertOptions.IgnoreNamespaces) && x.IsNamespaceDeclaration))
.Select(x => new XAttributeAndSource(this.SourceXml, x, this.Options));
if (this.Options.IsSet(XmlAssertOptions.IgnoreAttributeOrder))
{
var nameComparer = XNameComparer.GetFor(this.Options);
return(attributeAndSources.OrderBy(x => x.Attribute.Name, nameComparer)
.ToList());
}
return(attributeAndSources.ToList());
}
public XAttributeComparer(XmlAssertOptions options)
{
this.options = options;
this.nameComparer = XNameComparer.GetFor(this.options);
}
public XElementComparer(XmlAssertOptions options)
{
this.options = options;
this.nameComparer = XNameComparer.GetFor(this.options);
}