def __init__(self,
root_element=None,
cssselector_factory=CSSSelectorFactory(),
collection_factory=CollectionFactory(),
string_converter=StringConverter()):
self.root_element = root_element
self.cssselector_factory = cssselector_factory
self.collection_factory = collection_factory
self.string_converter = string_converter
def setUp(self):
self.css_selector_factory = CSSSelectorFactory()
