static Model CreateModelContext(XmlNode xn, Context con)
{ // check select and path attributes
Model model = new Model();
model.Select = XmlFiler.getAttribute(xn, "select");
Logger.getOnly().isTrue(model.Select != null, "Model instruction must have a select attribute.");
Logger.getOnly().isTrue(model.Select != "", "Model instruction must have a non-empty select.");
model.When = XmlFiler.getAttribute(xn, "when");
model.OnPass = XmlFiler.getAttribute(xn, "on-pass");
model.OnFail = XmlFiler.getAttribute(xn, "on-fail");
string rest = XmlFiler.getAttribute(xn, "wait");
if (rest != null) model.Rest = Convert.ToInt32(rest);
AddInstruction(xn, model, con);
return model;
}
/// <summary>
/// Execute this model node context, specified by @select and
/// creating and executing child instructions.
/// </summary>
public override void Execute()
{
base.Execute();
if (m_created)
{
Finished = true; // tell do-once it's done
return; // all has been done in the base Context.Execute().
}
Context con = (Context)Ancestor(typeof(Context));
isNotNull(con, makeNameTag() + " must occur in some context");
AccessibilityHelper ah = con.Accessibility;
isNotNull(ah, makeNameTag() + " context is not accessible");
// If there is a @select, select the nodes
if (m_select != null && m_select != "")
{ // each node or attribute selected creates a context
m_log.paragraph(makeNameTag() + " creating selection targets via " + m_select);
XmlNodeList pathNodes = XmlInstructionBuilder.selectNodes(con, m_select, makeNameTag());
isNotNull(pathNodes, makeNameTag() + " select='" + m_select + "' returned no model nodes");
// The select text may have selected a string that is itself xPath!
// If so, select on that xPath
if (pathNodes.Count == 1 && pathNodes.Item(0).NodeType == XmlNodeType.Text)
{ // this text node should be an xpath statement
string xPath = pathNodes.Item(0).Value;
m_log.paragraph(makeNameTag() + " selected a text node with more XPATH: " + xPath);
pathNodes = XmlInstructionBuilder.selectNodes(con, xPath, makeNameTag() + " selecting " + xPath);
isNotNull(pathNodes, makeNameTag() + " selecting " + xPath + " from select='" + m_select + "' returned no model nodes");
}
// Create a list of paths to loop over
Model lastModel = this; // use as an insert reference node
foreach (XmlNode node in pathNodes)
{ // build the path via each model node
XmlPath xPath = new XmlPath(node);
// xPath may be invalid - it means it has no guiPath
//if (!xPath.isValid()) fail(makeNameTag() + " XmlPath not constructable from " + node.OuterXml);
if (1 == m_logLevel)
{
m_log.paragraph(makeNameTag() + " appPath " + xPath.xPath());
m_log.paragraph(makeNameTag() + " guiPath " + xPath.Path);
}
Model model = new Model();
model.m_created = true;
model.m_modelNode = xPath;
model.m_path = xPath.Path;
model.m_select = xPath.xPath();
model.m_when = m_when;
model.m_name = XmlFiler.getAttribute(node, "name");
model.m_role = XmlFiler.getAttribute(node, "role");
model.m_nodeName = node.Name;
model.Number = TestState.getOnly().IncInstructionCount;
model.Id += (model.Number - Number).ToString();
model.Parent = con;
con.Add(lastModel, model);
lastModel = model; // insert the next one after this one.
m_log.mark(model); // log the progress of interpretation
// if there is content, add instructions to the new model context
if (m_elt.HasChildNodes)
{
foreach (XmlNode xnChild in m_elt.ChildNodes)
{ // a side-effect of MakeShell is to add the instruction to the model
XmlInstructionBuilder.MakeShell(xnChild, model);
}
}
}
}
Finished = true; // tell do-once it's done
}
