@Test
public void testClusterKeySlot() {
// It assumes JedisClusterCRC16 is correctly implemented
assertEquals(
node1.clusterKeySlot("foo{bar}zap}").intValue(), JedisClusterCRC16.getSlot("foo{bar}zap"));
assertEquals(
node1.clusterKeySlot("{user1000}.following").intValue(),
JedisClusterCRC16.getSlot("{user1000}.following"));
}
@Test(expected = JedisAskDataException.class)
public void testThrowAskException() {
int keySlot = JedisClusterCRC16.getSlot("test");
String node3Id = JedisClusterTestUtil.getNodeId(node3.clusterNodes());
node2.clusterSetSlotMigrating(keySlot, node3Id);
node2.get("test");
}
@Test
public void testRedisHashtag() {
assertEquals(JedisClusterCRC16.getSlot("{bar"), JedisClusterCRC16.getSlot("foo{{bar}}zap"));
assertEquals(
JedisClusterCRC16.getSlot("{user1000}.following"),
JedisClusterCRC16.getSlot("{user1000}.followers"));
assertNotEquals(JedisClusterCRC16.getSlot("foo{}{bar}"), JedisClusterCRC16.getSlot("bar"));
assertEquals(JedisClusterCRC16.getSlot("foo{bar}{zap}"), JedisClusterCRC16.getSlot("bar"));
}
@Test(expected = JedisClusterMaxRedirectionsException.class)
public void testRedisClusterMaxRedirections() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
// This will cause an infinite redirection loop
node2.clusterSetSlotMigrating(slot51, JedisClusterTestUtil.getNodeId(node3.clusterNodes()));
jc.set("51", "foo");
}
@Test
public void testAskResponse() throws InterruptedException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
node3.clusterSetSlotImporting(slot51, JedisClusterTestUtil.getNodeId(node2.clusterNodes()));
node2.clusterSetSlotMigrating(slot51, JedisClusterTestUtil.getNodeId(node3.clusterNodes()));
jc.set("51", "foo");
assertEquals("foo", jc.get("51"));
}
@Test
public void testClusterCountKeysInSlot() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort(nodeInfo1.getHost(), nodeInfo1.getPort()));
JedisCluster jc = new JedisCluster(jedisClusterNode);
for (int index = 0; index < 5; index++) {
jc.set("foo{bar}" + index, "hello");
}
int slot = JedisClusterCRC16.getSlot("foo{bar}");
assertEquals(5, node1.clusterCountKeysInSlot(slot).intValue());
}
@Test
public void testRecalculateSlotsWhenMoved() throws InterruptedException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
node2.clusterDelSlots(slot51);
node3.clusterDelSlots(slot51);
node3.clusterAddSlots(slot51);
JedisClusterTestUtil.waitForClusterReady(node1, node2, node3);
jc.set("51", "foo");
assertEquals("foo", jc.get("51"));
}
@Test
public void testStableSlotWhenMigratingNodeOrImportingNodeIsNotSpecified()
throws InterruptedException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort(nodeInfo1.getHost(), nodeInfo1.getPort()));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
jc.set("51", "foo");
// node2 is responsible of taking care of slot51 (7186)
node3.clusterSetSlotImporting(slot51, JedisClusterTestUtil.getNodeId(node2.clusterNodes()));
assertEquals("foo", jc.get("51"));
node3.clusterSetSlotStable(slot51);
assertEquals("foo", jc.get("51"));
node2.clusterSetSlotMigrating(slot51, JedisClusterTestUtil.getNodeId(node3.clusterNodes()));
// assertEquals("foo", jc.get("51")); // it leads Max Redirections
node2.clusterSetSlotStable(slot51);
assertEquals("foo", jc.get("51"));
}