def testNamespaces(self):
xmlXPath = XmlXPath(['/a:aNode/b:bNode'],
fromKwarg='lxmlNode',
namespaces={
'a': 'aNamespace',
'b': 'bNamespace'
})
lxmlNode = parse(
StringIO(
'<aNode xmlns="aNamespace"><bNode xmlns="bNamespace">ccc</bNode></aNode>'
))
observer = CallTrace('Observer')
observable = Observable()
observable.addObserver(xmlXPath)
xmlXPath.addObserver(observer)
observable.do.message(lxmlNode=lxmlNode)
message = observer.calledMethods[0]
self.assertEqual('message', message.name)
newNode = message.kwargs['lxmlNode']
self.assertEqualsWS('<bNode xmlns="bNamespace">ccc</bNode>',
lxmltostring(newNode))
newNamespaces = newNode.getroot().nsmap
nameSpacesAfterParsing = parse(StringIO(
lxmltostring(newNode))).getroot().nsmap
self.assertEqual(nameSpacesAfterParsing, newNamespaces)
def testXPathReturnsString(self):
xpath = XmlXPath(['/a/t/text()'], fromKwarg="lxmlNode")
inputNode = parse(StringIO('<a><t>some text & some <entities></t></a>'))
observable = Observable()
observer = CallTrace('observer')
observable.addObserver(xpath)
xpath.addObserver(observer)
observable.do.aMethod(lxmlNode=inputNode)
self.assertEquals(1, len(observer.calledMethods))
result = observer.calledMethods[0].kwargs
self.assertEquals({'lxmlNode': 'some text & some <entities>'}, result)
def testNamespaces(self):
xmlXPath = XmlXPath(['/a:aNode/b:bNode'], fromKwarg='lxmlNode', namespaces={'a':'aNamespace', 'b':'bNamespace' })
lxmlNode = parse(StringIO('<aNode xmlns="aNamespace"><bNode xmlns="bNamespace">ccc</bNode></aNode>'))
observer = CallTrace('Observer')
observable = Observable()
observable.addObserver(xmlXPath)
xmlXPath.addObserver(observer)
observable.do.message(lxmlNode=lxmlNode)
message = observer.calledMethods[0]
self.assertEquals('message', message.name)
newNode = message.kwargs['lxmlNode']
self.assertEqualsWS('<bNode xmlns="bNamespace">ccc</bNode>', lxmltostring(newNode))
newNamespaces = newNode.getroot().nsmap
nameSpacesAfterParsing = parse(StringIO(lxmltostring(newNode))).getroot().nsmap
self.assertEquals(nameSpacesAfterParsing, newNamespaces)
