def test_cidr_comparison(self):
        self.assertTrue(
            NuageMechanismDriver.compare_cidr('cafe:babe::1/64',
                                              'cafe:babe:0::1/64'))

        self.assertFalse(
            NuageMechanismDriver.compare_cidr('cafe:babe::1/64',
                                              'cafe:babe::1/63'))
    def test_ip_comparison(self):
        self.assertTrue(
            NuageMechanismDriver.compare_ip('cafe:babe::1', 'cafe:babe:0::1'))

        self.assertFalse(
            NuageMechanismDriver.compare_cidr('cafe:babe::1',
                                              'cafe:babe:1::1'))