public void XmlContextLoader_Positive()
{
ContextLoaderStepBuilder clsb = new ContextLoaderStepBuilder("BizUnit.XmlContextLoader", null);
object[] args = new object[2];
args[0] = "MyContextKey";
args[1] = "*[local-name()='PurchaseOrder' and namespace-uri()='http://SendMail.PurchaseOrder']/*[local-name()='PONumber' and namespace-uri()='']";
clsb.SetProperty("XPathExpressions", args);
Context ctx = new Context();
Stream data = ResourceLoaderHelper.GetResourceDataAsStream("Data", "PurchaseOrder001.xml");
clsb.ContextLoaderStep.Validate(ctx);
clsb.ContextLoaderStep.ExecuteContextLoader(data, ctx);
Assert.AreEqual("PONumber_0", ctx.GetValue("MyContextKey"));
}
public override Stream Load(Context context)
{
var doc = new XmlDocument();
context.LogInfo("Loading file: {0}", FilePath);
doc.Load(FilePath);
if (null != UpdateXml)
{
foreach (var xpath in UpdateXml)
{
context.LogInfo("Selecting node in document, description: {0}, XPath: {1}", xpath.Description, xpath.XPath);
XPathNavigator xpn = doc.CreateNavigator();
XPathNavigator node = xpn.SelectSingleNode(xpath.XPath);
if (null == node)
{
context.LogError("XPath expression failed to find node");
throw new ApplicationException(String.Format("Node not found: {0}", xpath.Description));
}
if (!string.IsNullOrEmpty(xpath.ContextKey))
{
context.LogInfo("Updating XmlNode with value from context key: {0}", xpath.ContextKey);
node.SetValue(context.GetValue(xpath.ContextKey));
}
else
{
context.LogInfo("Updating XmlNode with value: {0}", xpath.Value);
node.SetValue(xpath.Value);
}
}
}
MemoryStream ms = new MemoryStream();
doc.Save(ms);
ms.Seek(0, SeekOrigin.Begin);
return ms;
}