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def printer(tester, tw, spc):
n = tw.currentNode
tester.message("%s<%s>" % (spc, n.nodeName))
child = tw.firstChild()
while child:
printer(tester, tw, spc + ' ')
child = tw.nextSibling()
if not child:
tw.parentNode()
tester.message("%s</%s>" % (spc, n.nodeName))
def test(tester):
tester.startGroup('TreeWalker')
tester.startTest('Checking syntax')
from xml.dom.TreeWalker import TreeWalker
tester.testDone()
tester.startTest('Creating test environment')
from xml.dom import implementation
from xml.dom.NodeFilter import NodeFilter
from xml.dom.ext.reader import Sax
dt = implementation.createDocumentType('','','')
doc = implementation.createDocument('',None,dt);
xml_string = '<a><b><c/><d/></b><e><f/><g/></e></a>'
doc = Sax.FromXml(xml_string)
from xml.dom.ext import PrettyPrint
tw = TreeWalker(doc.documentElement, NodeFilter.SHOW_ELEMENT, None, 1)
tester.testDone()
tester.startTest('Testing attributes')
if tw.root != doc.documentElement:
tester.error('root was not set')
if tw.whatToShow != NodeFilter.SHOW_ELEMENT:
tester.error('whatToShow was not set')
if tw.filter != None:
tester.error('filter was not set')
if tw.expandEntityReferences != 1:
tester.error('expandEntityReferences was not set')
tw.currentNode = doc.documentElement.lastChild
if tw.currentNode != doc.documentElement.lastChild:
tester.error('currentNode does not set/get properly')
tester.testDone()
tester.startTest("Navigating in document order")
tw.currentNode = tw.root
if tw.currentNode.nodeName != 'a':
tester.error('currentNode failed')
t = doc.createTextNode('Text')
# tw.currentNode.insertBefore(t,tw.firstChild())
if tw.firstChild().nodeName != 'b':
tester.error('Wrong firstChild')
if tw.nextSibling().nodeName != 'e':
tester.error('Wrong nextSibling')
if tw.nextSibling() != None:
tester.error('nextSibling returns a value; should be (null)')
if tw.parentNode().nodeName != 'a':
tester.error('Wrong parentNode')
if tw.lastChild().nodeName != 'e':
tester.error('Wrong lastChild')
if tw.nextNode().nodeName != 'f':
tester.error('Wrong nextNode')
# See if whatToShow works
tw.currentNode.appendChild(t)
if tw.firstChild() != None:
tester.error('whatToShow failed in firstChild()')
if tw.previousSibling() != None:
tester.error('previousSibling returns a value; should be (null)')
if tw.previousNode().nodeName != 'e':
tester.error('Wrong previousNode')
tw.currentNode.appendChild(t)
# See if whatToShow works
if tw.lastChild().nodeName != 'g':
tester.error('whatToShow failed in lastChlid()')
tester.testDone()
# tester.startTest('Printing hierarchy')
# xml.dom.ext.PrettyPrint(tw.root)
# tw.currentNode = tw.root
# printer(tester, tw, '')
# tester.testDone()
return tester.groupDone()
if __name__ == '__main__':
import sys
import TestSuite
tester = TestSuite.TestSuite(0,1)
retVal = test(tester)
sys.exit(retVal)
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