def test_alternative_constructor(self):
elem = self.element
elem.nodes = ChildSubset.class_preconstructor(tag_regex=r'node')
elem.nodes = elem.nodes(elem) # why doesn't this work? it should just work w/ elem.nodes(). It works ..inside.. the instance, but not outside?
self.assertIsInstance(elem.nodes, ChildSubset)
def test_add_preconstructed_subset_to_element_class(self):
mme.BaseElement.nodes = ChildSubset.class_preconstructor(tag_regex=r'node')
e = mme.BaseElement()
self.assertTrue(hasattr(e, 'nodes'))
del mme.BaseElement.nodes # be sure to remove this class variable
