Examples with TestNode io.aeron.test.cluster.TestNode used on opensource projects

Example 11 with TestNode

use of io.aeron.test.cluster.TestNode in project Aeron by real-logic.

the class ClusterTest method shouldReplaySnapshotTakenWhileDown.

@Test
@InterruptAfter(40)
public void shouldReplaySnapshotTakenWhileDown() {
    cluster = aCluster().withStaticNodes(3).start();
    systemTestWatcher.cluster(cluster);
    final TestNode leader = cluster.awaitLeader();
    final List<TestNode> followers = cluster.followers();
    final TestNode followerA = followers.get(0);
    TestNode followerB = followers.get(1);
    awaitElectionClosed(followerB);
    cluster.stopNode(followerB);
    cluster.takeSnapshot(leader);
    cluster.awaitSnapshotCount(leader, 1);
    cluster.awaitSnapshotCount(followerA, 1);
    final int messageCount = 10;
    cluster.connectClient();
    cluster.sendMessages(messageCount);
    cluster.awaitResponseMessageCount(messageCount);
    followerB = cluster.startStaticNode(followerB.index(), false);
    cluster.awaitSnapshotCount(followerB, 1);
    assertEquals(FOLLOWER, followerB.role());
    cluster.awaitServiceMessageCount(followerB, messageCount);
    assertEquals(0L, followerB.errors());
}

Example 12 with TestNode

use of io.aeron.test.cluster.TestNode in project Aeron by real-logic.

the class ClusterTest method shouldShutdownClusterAndRestartWithSnapshots.

@Test
@InterruptAfter(30)
public void shouldShutdownClusterAndRestartWithSnapshots() {
    cluster = aCluster().withStaticNodes(3).start();
    systemTestWatcher.cluster(cluster);
    final TestNode leader = cluster.awaitLeader();
    cluster.node(0).isTerminationExpected(true);
    cluster.node(1).isTerminationExpected(true);
    cluster.node(2).isTerminationExpected(true);
    cluster.shutdownCluster(leader);
    cluster.awaitNodeTerminations();
    assertTrue(cluster.node(0).service().wasSnapshotTaken());
    assertTrue(cluster.node(1).service().wasSnapshotTaken());
    assertTrue(cluster.node(2).service().wasSnapshotTaken());
    cluster.stopAllNodes();
    cluster.restartAllNodes(false);
    cluster.awaitLeader();
    assertEquals(2, cluster.followers().size());
    cluster.awaitSnapshotsLoaded();
}

Example 13 with TestNode

use of io.aeron.test.cluster.TestNode in project Aeron by real-logic.

the class ClusterTest method shouldNotifyClientOfNewLeader.

@Test
@InterruptAfter(40)
public void shouldNotifyClientOfNewLeader() {
    cluster = aCluster().withStaticNodes(3).start();
    systemTestWatcher.cluster(cluster);
    final TestNode leader = cluster.awaitLeader();
    cluster.connectClient();
    cluster.awaitActiveSessionCount(cluster.followers().get(0), 1);
    cluster.stopNode(leader);
    cluster.awaitNewLeadershipEvent(1);
}

Example 14 with TestNode

use of io.aeron.test.cluster.TestNode in project Aeron by real-logic.

the class ClusterTest method shouldCatchupFromEmptyLog.

@Test
@InterruptAfter(30)
public void shouldCatchupFromEmptyLog() {
    cluster = aCluster().withStaticNodes(3).start();
    systemTestWatcher.cluster(cluster);
    cluster.awaitLeader();
    final List<TestNode> followers = cluster.followers();
    TestNode follower = followers.get(1);
    awaitElectionClosed(follower);
    cluster.stopNode(follower);
    final int messageCount = 10;
    cluster.connectClient();
    cluster.sendMessages(messageCount);
    cluster.awaitResponseMessageCount(messageCount);
    follower = cluster.startStaticNode(follower.index(), true);
    cluster.awaitServiceMessageCount(follower, messageCount);
}

Example 15 with TestNode

use of io.aeron.test.cluster.TestNode in project Aeron by real-logic.

the class ClusterTest method shouldRecoverQuicklyAfterKillingFollowersThenRestartingOne.

@Test
@InterruptAfter(40)
public void shouldRecoverQuicklyAfterKillingFollowersThenRestartingOne() {
    cluster = aCluster().withStaticNodes(3).start();
    systemTestWatcher.cluster(cluster);
    final TestNode leader = cluster.awaitLeader();
    final List<TestNode> followers = cluster.followers();
    final TestNode followerOne = followers.get(0);
    final TestNode followerTwo = followers.get(1);
    final int messageCount = 10;
    cluster.connectClient();
    cluster.sendMessages(messageCount);
    cluster.awaitResponseMessageCount(messageCount);
    cluster.stopNode(followerOne);
    cluster.stopNode(followerTwo);
    while (leader.role() == LEADER) {
        cluster.sendMessages(1);
        Tests.sleep(500);
    }
    cluster.startStaticNode(followerTwo.index(), true);
    cluster.awaitLeader();
}