private List <LayoutNode> extractChildNodes(XmlNode currentNode)
{
List <LayoutNode> resultList = new List <LayoutNode>();
foreach (XmlNode node in currentNode.SelectNodes("Node"))
{
string desc = node.SelectSingleNode("@Description").Value;
string xpath = node.SelectSingleNode("@XPath").Value;
XmlNode requiredNode = node.SelectSingleNode("@Required");
// Use default value TRUE when not present
Boolean required = requiredNode != null?Boolean.Parse(requiredNode.Value) : true;
XmlNode custDescAttrNode = node.SelectSingleNode("@CustomDescriptionXPath");
string custDescAttr = custDescAttrNode != null ? custDescAttrNode.Value : null;
List <LayoutNode> children = extractChildNodes(node);
List <LayoutValue> values = extractValues(node);
List <LayoutDataTable> dataTables = extractDataTables(node);
LayoutNode layoutNode = new LayoutNode(desc, xpath, required, custDescAttr, children, values, dataTables);
resultList.Add(layoutNode);
}
return(resultList);
}
public void ParseConfigurationXml()
{
LayoutParser parser = new LayoutParser();
Layout layout = parser.parseXmlString(XML_IN);
Assert.AreEqual("My Test Layout", layout.Description);
Assert.AreEqual("/this/must/be/in/the/xml", layout.EvaluationXPath);
Assert.AreEqual(2, layout.Nodes.Count);
//RootNode1 attributes
LayoutNode rootNode1 = layout.Nodes[0];
Assert.AreEqual("RootNode1", rootNode1.Description);
Assert.AreEqual("/node1", rootNode1.Xpath);
Assert.IsNull(rootNode1.CustomDescriptionXPath);
Assert.IsTrue(rootNode1.Required);
Assert.AreEqual(1, rootNode1.ChildNodes.Count); // One child node
//RootNode1 values
Assert.AreEqual(2, rootNode1.Values.Count);
LayoutValue val1 = rootNode1.Values[0];
Assert.AreEqual("RootNodeAttribute1", val1.Description);
Assert.AreEqual("@attrib1", val1.XPath);
Assert.AreEqual(false, val1.Required);
LayoutValue val2 = rootNode1.Values[1];
Assert.AreEqual("RootNodeSomeInnerValue", val2.Description);
Assert.AreEqual("childTag/another", val2.XPath);
Assert.AreEqual(true, val2.Required); // Not specified, use default
//RootNode1 nested node
LayoutNode nested = rootNode1.ChildNodes[0];
Assert.AreEqual("NestedNode", nested.Description);
Assert.AreEqual("nestedUnderRoot", nested.Xpath);
Assert.IsTrue(nested.Required); // Not specified, use default
// Nested Node Values
Assert.AreEqual(1, nested.Values.Count);
LayoutValue val3 = nested.Values[0];
Assert.AreEqual("NestedAttribute", val3.Description);
Assert.AreEqual("@nestedAttrib", val3.XPath);
Assert.AreEqual(true, val3.Required); // Not specified, use default
//RootNode2 attributes
LayoutNode rootNode2 = layout.Nodes[1];
Assert.AreEqual("RootNode2", rootNode2.Description);
Assert.AreEqual("/node2", rootNode2.Xpath);
Assert.AreEqual("@SomeRelevantAttribute", rootNode2.CustomDescriptionXPath);
Assert.IsFalse(rootNode2.Required);
Assert.AreEqual(0, rootNode2.ChildNodes.Count); // Zero child nodes
//LayoutDataTable inside RootNode2
List <LayoutDataTable> dataTables = rootNode2.DataTables;
Assert.AreEqual(1, dataTables.Count);
Assert.AreEqual("A List Of Values", dataTables[0].Title);
Assert.AreEqual("repeatingTag", dataTables[0].RecordXPath);
Assert.AreEqual(2, dataTables[0].Columns.Count);
LayoutDataTable.Column dataTableV1 = dataTables[0].Columns[0];
Assert.AreEqual("Column 1", dataTableV1.Name);
Assert.AreEqual("@column1", dataTableV1.ValueXPath);
LayoutDataTable.Column dataTableV2 = dataTables[0].Columns[1];
Assert.AreEqual("Column 2", dataTableV2.Name);
Assert.AreEqual("@column2", dataTableV2.ValueXPath);
}