public void NestedNodesAndValues()
{
Layout layout = new Layout("Test Layout", "/Library", new List <LayoutNode>());
LayoutNode layoutRoot = new LayoutNode("Library Root", "/Library", true, null,
new List <LayoutNode>(), new List <LayoutValue>(), new List <LayoutDataTable>());
LayoutNode disksLayoutNode = new LayoutNode("My Disks", "Disks", true, null,
new List <LayoutNode>(), new List <LayoutValue>(), new List <LayoutDataTable>());
LayoutNode cdLayoutNode = new LayoutNode("CD", "CD", true, null,
new List <LayoutNode>(), new List <LayoutValue>(), new List <LayoutDataTable>());
LayoutValue artistLayoutValue = new LayoutValue("The Artist", "Artist");
layout.Nodes.Add(layoutRoot);
layoutRoot.ChildNodes.Add(disksLayoutNode);
disksLayoutNode.ChildNodes.Add(cdLayoutNode);
cdLayoutNode.Values.Add(artistLayoutValue);
ModelParser parser = new ModelParser(layout);
XmlModel model = parser.parseXmlString(XML_INPUT);
// Validate root level node
Assert.AreEqual(1, model.Nodes.Count, "Checking root level node");
XmlModelNode libraryRoot = model.Nodes[0];
Assert.AreEqual("Library Root", libraryRoot.Description);
// Second level node
Assert.AreEqual(1, libraryRoot.ChildNodes.Count, "Checking second level node");
XmlModelNode disksLevel = libraryRoot.ChildNodes[0];
Assert.AreEqual("My Disks", disksLevel.Description);
// Third level node (two instances of CD)
Assert.AreEqual(2, disksLevel.ChildNodes.Count);
XmlModelNode cd1 = disksLevel.ChildNodes[0];
XmlModelNode cd2 = disksLevel.ChildNodes[1];
Assert.AreEqual("CD", cd1.Description);
Assert.AreEqual("CD", cd2.Description);
// Values under the third level node
Assert.AreEqual(1, cd1.Values.Count);
Assert.AreEqual("The Artist", cd1.Values[0].Description);
Assert.AreEqual("Michael Jackson", cd1.Values[0].Value);
Assert.AreEqual(1, cd2.Values.Count);
Assert.AreEqual("The Artist", cd2.Values[0].Description);
Assert.AreEqual("Nirvana", cd2.Values[0].Value);
}
private List <XmlModelNode> extractXmlModelNodes(LayoutNode layoutNode, XmlNode docOrCurrentNode)
{
List <XmlModelNode> result = new List <XmlModelNode>();
XmlNodeList foundXmlNodes = docOrCurrentNode.SelectNodes(layoutNode.Xpath);
if (foundXmlNodes.Count == 0 && layoutNode.Required)
{
result.Add(new XmlModelNode(layoutNode.Description, true, null, null, null));
}
foreach (XmlNode xmlNode in foundXmlNodes)
{
List <XmlModelValue> values = extractValues(layoutNode.Values, xmlNode);
List <XmlModelDataTable> dataTables = extractDataTables(layoutNode.DataTables, xmlNode);
// Call recursively to add the children of this layout node
List <XmlModelNode> childNodes = new List <XmlModelNode>();
foreach (LayoutNode layoutChildNode in layoutNode.ChildNodes)
{
List <XmlModelNode> childrenOfThisNode = extractXmlModelNodes(layoutChildNode, xmlNode);
childNodes.AddRange(childrenOfThisNode);
}
string nodeDescription = layoutNode.Description;
if (layoutNode.CustomDescriptionXPath != null)
{
XmlNode customDescriptionNode = xmlNode.SelectSingleNode(layoutNode.CustomDescriptionXPath);
if (customDescriptionNode != null)
{
nodeDescription = nodeDescription + " ["
+ (customDescriptionNode.Value != null ? customDescriptionNode.Value : customDescriptionNode.InnerText)
+ "]";
}
else
{
nodeDescription = nodeDescription + " [" + layoutNode.CustomDescriptionXPath + "]";
}
}
XmlModelNode newNode = new XmlModelNode(nodeDescription, false, childNodes, values, dataTables);
result.Add(newNode);
}
return(result);
}
