Testing the XML Pipeline

The XML pipeline as it is defined now creates an XML document containing a book parent node, with title, quantity, and ISBN child nodes. Let's test it before continuing.

To test an XML pipeline, click the Execute button ( ):

In this case, Stylus Studio displays a message indicating that the XML pipeline, as it is currently defined, does not have an output. And if we examine our XML pipeline, we see that this is true - processing terminates with the XQuery node, but its output port is empty.