public void FindsNothingInNullList()
{
var doc = new XmlDocument();
var target = XmlUtilities.GetDocumentNodeFromRawXml(@"<b/>", doc);
var finder = new FindByKeyAttributeInList("key");
Assert.That(finder.GetNodeToMerge(target, null, new HashSet<XmlNode>()), Is.Null);
}
public void FindsUniqueMatch()
{
var doc = new XmlDocument();
var parent = XmlUtilities.GetDocumentNodeFromRawXml(@"<a><b key='one'/><b key='two'/></a>", doc);
var target = XmlUtilities.GetDocumentNodeFromRawXml(@"<a><b key='two'/></a>", doc).FirstChild;
var finder = new FindByKeyAttributeInList("key");
Assert.That(finder.GetNodeToMerge(target, parent, SetFromChildren.Get(parent)), Is.EqualTo(parent.ChildNodes[1]));
}
public void FindsNothingWithNoKey()
{
var doc = new XmlDocument();
var parent = XmlUtilities.GetDocumentNodeFromRawXml(@"<a><b key='one'/></a>", doc);
var target = XmlUtilities.GetDocumentNodeFromRawXml(@"<b/>", doc);
var finder = new FindByKeyAttributeInList("key");
Assert.That(finder.GetNodeToMerge(target, parent, SetFromChildren.Get(parent)), Is.Null);
}
public void FindsNoMatchWhereTooFewOccurrences()
{
var doc = new XmlDocument();
var parent = XmlUtilities.GetDocumentNodeFromRawXml(@"<a><b key='one'/><b key='two'/></a>", doc);
var target = XmlUtilities.GetDocumentNodeFromRawXml(@"<a><b key='one'/><b key='one'/></a>", doc).ChildNodes[1];
var finder = new FindByKeyAttributeInList("key");
Assert.That(finder.GetNodeToMerge(target, parent, SetFromChildren.Get(parent)), Is.Null);
}
public void FindsSecondDuplicateWhereFirstNotAcceptable()
{
var doc = new XmlDocument();
var parent = XmlUtilities.GetDocumentNodeFromRawXml(@"<a><b key='one'/><b key='two'/><b key='two'/></a>", doc);
var target = XmlUtilities.GetDocumentNodeFromRawXml(@"<a><b key='one'/><b key='two'/></a>", doc).ChildNodes[1];
var desiredResult = parent.ChildNodes[2];
var otherOption = parent.ChildNodes[1]; // acceptable but not matching
var acceptableTargets = new HashSet<XmlNode>(new [] {otherOption, desiredResult});
var finder = new FindByKeyAttributeInList("key");
Assert.That(finder.GetNodeToMerge(target, parent, acceptableTargets), Is.EqualTo(parent.ChildNodes[2]));
}
