@Test
  public void testQuery() throws Throwable {
    QNodeHandler handler = new QNodeHandler();
    handler.init(SploutConfiguration.getTestConfig());

    SploutConfiguration config = SploutConfiguration.getTestConfig();
    DNode dnode =
        TestUtils.getTestDNode(config, dHandler, "dnode-" + this.getClass().getName() + "-2");
    try {
      ReplicationEntry repEntry = new ReplicationEntry(0, dnode.getAddress());
      Tablespace tablespace1 =
          new Tablespace(
              PartitionMap.oneShardOpenedMap(),
              new ReplicationMap(Arrays.asList(repEntry)),
              0l,
              0l);
      handler
          .getContext()
          .getTablespaceVersionsMap()
          .put(new TablespaceVersion("tablespace1", 0l), tablespace1);
      handler.getContext().getCurrentVersionsMap().put("tablespace1", 0l);

      // Query key 2 (> 1 < 10)
      QueryStatus qStatus = handler.query("tablespace1", "2", "SELECT 1;", null);
      Assert.assertEquals(new Integer(0), qStatus.getShard());
      Assert.assertEquals("[1]", qStatus.getResult().toString());
    } finally {
      handler.close();
      dnode.stop();
      Hazelcast.shutdownAll();
    }
  }
  @Test
  public void testDeployEnding() throws Throwable {
    // Test what happens when DNodes complete the deploy process
    final QNodeHandler handler = new QNodeHandler();
    SploutConfiguration config = SploutConfiguration.getTestConfig();
    DNodeHandler dHandler = new DNodeHandler();
    DNode dnode =
        TestUtils.getTestDNode(config, dHandler, "dnode-" + this.getClass().getName() + "-1");

    try {
      handler.init(config);

      DeployRequest deployRequest1 = new DeployRequest();
      deployRequest1.setTablespace("partition1");
      deployRequest1.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
      deployRequest1.setReplicationMap(
          ReplicationMap.oneToOneMap(dnode.getAddress()).getReplicationEntries());

      File fakeDeployFolder = new File(FAKE_DEPLOY_FOLDER);
      fakeDeployFolder.mkdir();
      File deployData = new File(fakeDeployFolder, "0.db");
      deployData.createNewFile();
      deployRequest1.setData_uri(fakeDeployFolder.toURI().toString());

      List<DeployRequest> l = new ArrayList<DeployRequest>();
      l.add(deployRequest1);

      handler.deploy(l);

      new TestUtils.NotWaitingForeverCondition() {
        @Override
        public boolean endCondition() {
          boolean cond1 = handler.getContext().getTablespaceVersionsMap().values().size() == 1;
          boolean cond2 = handler.getContext().getCurrentVersionsMap().get("partition1") != null;
          return cond1 && cond2;
        }
      }.waitAtMost(5000);

      assertEquals(
          (long)
              handler
                  .getContext()
                  .getTablespaceVersionsMap()
                  .keySet()
                  .iterator()
                  .next()
                  .getVersion(),
          (long) handler.getContext().getCurrentVersionsMap().values().iterator().next());
      // everything OK
    } finally {
      handler.close();
      dnode.stop();
      Hazelcast.shutdownAll();
    }
  }
  @Test
  public void testDeployFiring() throws Throwable {
    // Test the business logic that produces the firing of the deployment (not the continuation of
    // it) For that, we will
    // use dummy DNodeHandlers
    QNodeHandler handler = new QNodeHandler();
    SploutConfiguration config = SploutConfiguration.getTestConfig();

    DNode dnode =
        TestUtils.getTestDNode(
            config,
            new IDNodeHandler() {
              @Override
              public void init(SploutConfiguration config) throws Exception {}

              @Override
              public String sqlQuery(String tablespace, long version, int partition, String query)
                  throws DNodeException {
                return null;
              }

              @Override
              public String deploy(List<DeployAction> deployActions, long version)
                  throws DNodeException {
                Assert.assertEquals(1, deployActions.size());
                Assert.assertEquals("hdfs://foo/bar/0.db", deployActions.get(0).getDataURI());
                Assert.assertEquals("partition1", deployActions.get(0).getTablespace());
                Assert.assertTrue(version >= 0); // TODO Is this the right checking here?
                return "FOO";
              }

              @Override
              public String rollback(List<RollbackAction> rollbackActions, String ignoreMe)
                  throws DNodeException {
                return null;
              }

              @Override
              public String status() throws DNodeException {
                return null;
              }

              @Override
              public void stop() throws Exception {}

              @Override
              public void giveGreenLigth() {}

              @Override
              public String abortDeploy(long version) throws DNodeException {
                return null;
              }

              @Override
              public String deleteOldVersions(List<com.splout.db.thrift.TablespaceVersion> versions)
                  throws DNodeException {
                return null;
              }

              @Override
              public String testCommand(String command) throws DNodeException {
                // TODO Auto-generated method stub
                return null;
              }
            },
            "dnode-" + this.getClass().getName() + "-5");

    try {
      handler.init(config);

      ReplicationEntry repEntry = new ReplicationEntry(0, dnode.getAddress());

      DeployRequest deployRequest = new DeployRequest();
      deployRequest.setTablespace("partition1");
      deployRequest.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
      deployRequest.setReplicationMap(Arrays.asList(repEntry));
      deployRequest.setData_uri("hdfs://foo/bar");

      List<DeployRequest> l = new ArrayList<DeployRequest>();
      l.add(deployRequest);
      handler.deploy(l);
    } finally {
      handler.close();
      dnode.stop();
      Hazelcast.shutdownAll();
    }
  }
  @Test
  public void testMultiDeployFiring() throws Throwable {
    // Same as test deploy firing, but with more than one DNode and different deploy actions
    SploutConfiguration config1 = SploutConfiguration.getTestConfig();

    DNode dnode1 =
        TestUtils.getTestDNode(
            config1,
            new IDNodeHandler() {
              @Override
              public void init(SploutConfiguration config) throws Exception {}

              @Override
              public String sqlQuery(String tablespace, long version, int partition, String query)
                  throws DNodeException {
                return null;
              }

              @Override
              public String deploy(List<DeployAction> deployActions, long distributedBarrier)
                  throws DNodeException {
                /*
                 * DNode1 asserts
                 */
                Assert.assertEquals(2, deployActions.size());
                Assert.assertEquals("hdfs://foo/bar1/0.db", deployActions.get(0).getDataURI());
                Assert.assertEquals("hdfs://foo/bar2/0.db", deployActions.get(1).getDataURI());
                Assert.assertEquals("partition1", deployActions.get(0).getTablespace());
                Assert.assertEquals("partition2", deployActions.get(1).getTablespace());
                return "FOO";
              }

              @Override
              public String rollback(List<RollbackAction> rollbackActions, String ignoreMe)
                  throws DNodeException {
                return null;
              }

              @Override
              public String status() throws DNodeException {
                return null;
              }

              @Override
              public void stop() throws Exception {}

              @Override
              public void giveGreenLigth() {}

              @Override
              public String abortDeploy(long version) throws DNodeException {
                return null;
              }

              @Override
              public String deleteOldVersions(List<com.splout.db.thrift.TablespaceVersion> versions)
                  throws DNodeException {
                return null;
              }

              @Override
              public String testCommand(String command) throws DNodeException {
                // TODO Auto-generated method stub
                return null;
              }
            },
            "dnode-" + this.getClass().getName() + "-3");

    SploutConfiguration config2 = SploutConfiguration.getTestConfig();
    DNode dnode2 =
        TestUtils.getTestDNode(
            config2,
            new IDNodeHandler() {
              @Override
              public void init(SploutConfiguration config) throws Exception {}

              @Override
              public String sqlQuery(String tablespace, long version, int partition, String query)
                  throws DNodeException {
                return null;
              }

              @Override
              public String deploy(List<DeployAction> deployActions, long distributedBarrier)
                  throws DNodeException {
                /*
                 * DNode2 asserts
                 */
                Assert.assertEquals(1, deployActions.size());
                Assert.assertEquals("hdfs://foo/bar1/0.db", deployActions.get(0).getDataURI());
                Assert.assertEquals("partition1", deployActions.get(0).getTablespace());
                return "FOO";
              }

              @Override
              public String rollback(List<RollbackAction> rollbackActions, String ignoreMe)
                  throws DNodeException {
                return null;
              }

              @Override
              public String status() throws DNodeException {
                return null;
              }

              @Override
              public void stop() throws Exception {}

              @Override
              public void giveGreenLigth() {}

              @Override
              public String abortDeploy(long version) throws DNodeException {
                return null;
              }

              @Override
              public String deleteOldVersions(List<com.splout.db.thrift.TablespaceVersion> versions)
                  throws DNodeException {
                return null;
              }

              @Override
              public String testCommand(String command) throws DNodeException {
                // TODO Auto-generated method stub
                return null;
              }
            },
            "dnode-" + this.getClass().getName() + "-4");

    QNodeHandler handler = new QNodeHandler();
    try {
      handler.init(config1);
      ReplicationEntry repEntry1 =
          new ReplicationEntry(0, dnode1.getAddress(), dnode2.getAddress());
      ReplicationEntry repEntry2 = new ReplicationEntry(0, dnode1.getAddress());

      DeployRequest deployRequest1 = new DeployRequest();
      deployRequest1.setTablespace("partition1");
      deployRequest1.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
      deployRequest1.setReplicationMap(Arrays.asList(repEntry1));
      deployRequest1.setData_uri("hdfs://foo/bar1");

      DeployRequest deployRequest2 = new DeployRequest();
      deployRequest2.setTablespace("partition2");
      deployRequest2.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
      deployRequest2.setReplicationMap(Arrays.asList(repEntry2));
      deployRequest2.setData_uri("hdfs://foo/bar2");

      List<DeployRequest> l = new ArrayList<DeployRequest>();
      l.add(deployRequest1);
      l.add(deployRequest2);

      handler.deploy(l);
    } finally {
      handler.close();
      dnode1.stop();
      dnode2.stop();
      Hazelcast.shutdownAll();
    }
  }