Examples with Down org.apache.cassandra.distributed.test.TopologyChangeTest.EventStateListener.EventType.Down used on opensource projects

Example 1 with Down

use of org.apache.cassandra.distributed.test.TopologyChangeTest.EventStateListener.EventType.Down in project cassandra by apache.

the class TopologyChangeTest method testRestartNode.

@Test
public void testRestartNode() throws Throwable {
    try (Cluster control = init(Cluster.build().withNodes(3).withNodeProvisionStrategy(strategy).withConfig(config -> config.with(GOSSIP, NETWORK, NATIVE_PROTOCOL)).start());
        com.datastax.driver.core.Cluster cluster = com.datastax.driver.core.Cluster.builder().addContactPoint("127.0.0.1").build();
        Session session = cluster.connect()) {
        EventStateListener eventStateListener = new EventStateListener();
        session.getCluster().register(eventStateListener);
        control.get(3).shutdown().get();
        await().atMost(5, TimeUnit.SECONDS).untilAsserted(() -> Assert.assertEquals(2, cluster.getMetadata().getAllHosts().stream().filter(h -> h.isUp()).count()));
        control.get(3).startup();
        await().atMost(30, TimeUnit.SECONDS).untilAsserted(() -> Assert.assertEquals(3, cluster.getMetadata().getAllHosts().stream().filter(h -> h.isUp()).count()));
        // DOWN UP can also be seen if the jvm is slow and connections are closed, but make sure it at least happens once
        // given the node restarts
        assertThat(eventStateListener.events).containsSequence(new Event(Down, control.get(3)), new Event(Up, control.get(3)));
    }
}