def test_get_table(self):
        """
        Test ConcreteVpcIf create table function
        """
        node1 = Node('103')
        node2 = Node('102')
        concreteVpc1 = ConcreteVpc(node1)
        concreteVpc2 = ConcreteVpc(node2)
        concreteVpcIf1 = ConcreteVpcIf(concreteVpc1)
        concreteVpcIf2 = ConcreteVpcIf(concreteVpc2)

        concreteVpcIfs = [concreteVpcIf1, concreteVpcIf2]
        self.assertTrue(
            isinstance(
                ConcreteVpcIf.get_table(concreteVpcIfs)[0],
                Table))
 def test_get_parent_class(self):
     """
     Ensure class has the correct parent class
     """
     self.assertEquals(ConcreteVpcIf._get_parent_class(), ConcreteVpc)