def test_node_is_instance_inheritance():
module = astroid.parse(test_doc_other_str)
cls = module.body[3]
node = list(cls.body[0].get_children())[-1]
r = utils.node_is_instance(next(node.infer()),
'mongoengine.fields.StringField')
assert r is True
def test_node_isinstance_bad_node():
module = astroid.parse(test_funcdef)
funcdef = module.body[0]
r = utils.node_is_instance(funcdef, 'mongomotor.Document')
assert r is False