import uuid

class Manager():
    # Manager class to manage a notiframe session. 
    def __init__(self):
        self.devices = {}
    
    def gen_id(self):
        return uuid.uuid4()

class Test():
    # Test class to test other classes and their functions.
    def __init__(self):
        #instantiate manager class
        self.manager = Manager()

    # Note: Do function wrapper here for tests functions, to say "test_function_name" success/failure
    def manager_uuid(self):
        uuid_test = self.manager.gen_id()
        print(self.is_valid_uuid(uuid_test))

    # Test if manager class's gen_id function produces a valid uuid
    def is_valid_uuid(self, val):
        try:
            uuid.UUID(str(val))
            return True
        except ValueError:
            return False

test = Test()
test.manager_uuid()