Parsing XML in Sahi scripts

Sahi uses Rhino as its javascript engine and Rhino has excellent support for handling XML.

Below is a script which reads and asserts XML nodes and attributes. The example has been picked from http://www.ibm.com/developerworks/webservices/library/ws-ajax1/ so that it is easy to experiment with the ibm examples in this script.

var xmlStr = '' +
'<people>' +
'   <person gender="male">' +
'      <name>Ant</name>' +
'      <hair>Shaggy</hair>' +
'      <eyes>Blue</eyes>' +
'      <height measure="metric">176</height>' +
'   </person>' +
'   <person gender="male">' +
'      <name>Paul</name>' +
'      <hair>Spiky</hair>' +
'      <eyes>Grey</eyes>' +
'      <height measure="metric">178</height>' +
'   </person>' +
'</people>';

var $x = new XML(xmlStr);
_assertEqual("Ant", $x.person[0].name.toString());
_assertEqual("Grey", $x.person[1].eyes.toString());

for each (var $p in $x.person){
    var $measure = $p.height.@measure.toString();
    _assert($measure == "metric");
    _assert($p.height > 170);
}

Two points to note:

1) All nodes that you access are of type xml. You will need to use toString() on them before you assert them.

2) Using @ from inside a Browser Action Function (like _click, _assert etc.) causes the script to fail because of a parsing error in Sahi's code. So first assign it to a variable and then use it, like it has been used for $measure. This bug will be fixed in the coming release.

There is a lot more that can be done with the XML object. Have a look at these links:

http://www.ibm.com/developerworks/webservices/library/ws-ajax1/

http://www.xml.com/pub/a/2007/11/28/introducing-e4x.html