@Test
public void testInCluster() throws Exception {
final int PARTICIPANT_QTY = 3;
List<ClientAndLatch> clients = Lists.newArrayList();
Timing timing = new Timing();
TestingCluster cluster = new TestingCluster(PARTICIPANT_QTY);
try {
cluster.start();
List<InstanceSpec> instances = Lists.newArrayList(cluster.getInstances());
for (int i = 0; i < PARTICIPANT_QTY; ++i) {
CuratorFramework client =
CuratorFrameworkFactory.newClient(
instances.get(i).getConnectString(),
timing.session(),
timing.connection(),
new RetryOneTime(1));
LeaderLatch latch = new LeaderLatch(client, "/latch");
clients.add(new ClientAndLatch(client, latch, i));
client.start();
latch.start();
}
ClientAndLatch leader = waitForALeader(clients, timing);
Assert.assertNotNull(leader);
cluster.killServer(instances.get(leader.index));
Thread.sleep(timing.multiple(2).session());
leader = waitForALeader(clients, timing);
Assert.assertNotNull(leader);
Assert.assertEquals(getLeaders(clients).size(), 1);
} finally {
for (ClientAndLatch client : clients) {
Closeables.close(client.latch, true);
Closeables.close(client.client, true);
}
Closeables.close(cluster, true);
}
}