def test_chr_remove_node_missing(self):
hosts = [
("127.0.0.1", "cache0"),
("127.0.0.1", "cache1"),
("127.0.0.1", "cache2"),
]
hashring = ConsistentHashRing(hosts)
self.assertEqual(hashring.nodes, set(hosts))
hashring.remove_node(("127.0.0.1", "cache4"))
self.assertEqual(hashring.nodes, set(hosts))
self.assertEqual(hashring.nodes_len, 3)
