Package org.apache.twill.internal.zookeeper

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer.startAndWait()

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  // Test controller created before service starts.
  @Test
  public void testControllerBefore() throws InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().build();
    zkServer.startAndWait();

    LOG.info("ZKServer: " + zkServer.getConnectionStr());
    try {
      RunId runId = RunIds.generate();
      ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
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  // Test controller listener receive first state change without state transition from service
  @Test
  public void testControllerListener() throws InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().build();
    zkServer.startAndWait();

    LOG.info("ZKServer: " + zkServer.getConnectionStr());
    try {
      RunId runId = RunIds.generate();
      ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
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public class ZKOperationsTest {

  @Test
  public void recursiveDelete() throws ExecutionException, InterruptedException, TimeoutException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();
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public class ZKClientTest {

  @Test
  public void testChroot() throws Exception {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr() + "/chroot").build();
      client.startAndWait();
      try {
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  }

  @Test
  public void testCreateParent() throws ExecutionException, InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();
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  }

  @Test
  public void testGetChildren() throws ExecutionException, InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();
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  }

  @Test
  public void testSetData() throws ExecutionException, InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();
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  }

  @Test
  public void testExpireRewatch() throws InterruptedException, IOException, ExecutionException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      final CountDownLatch expireReconnectLatch = new CountDownLatch(1);
      final AtomicBoolean expired = new AtomicBoolean(false);
      final ZKClientService client = ZKClientServices.delegate(ZKClients.reWatchOnExpire(
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  @Test
  public void testRetry() throws ExecutionException, InterruptedException, TimeoutException {
    File dataDir = Files.createTempDir();
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setDataDir(dataDir).setTickTime(1000).build();
    zkServer.startAndWait();
    int port = zkServer.getLocalAddress().getPort();

    final CountDownLatch disconnectLatch = new CountDownLatch(1);
    ZKClientService client = ZKClientServices.delegate(ZKClients.retryOnFailure(
      ZKClientService.Builder.of(zkServer.getConnectionStr()).setConnectionWatcher(new Watcher() {
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                               .setDataDir(dataDir)
                               .setAutoCleanDataDir(true)
                               .setPort(port)
                               .setTickTime(1000)
                               .build();
    zkServer.startAndWait();

    try {
      Assert.assertTrue(createLatch.await(5, TimeUnit.SECONDS));
    } finally {
      zkServer.stopAndWait();
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