Examples with JavaTestKit akka.testkit.JavaTestKit used on opensource projects

Example 11 with JavaTestKit

use of akka.testkit.JavaTestKit in project flink by apache.

the class TaskManagerTest method testSubmitAndExecuteTask.

@Test
public void testSubmitAndExecuteTask() throws IOException {
    new JavaTestKit(system) {

        {
            ActorGateway taskManager = null;
            final ActorGateway jobManager = TestingUtils.createForwardingActor(system, getTestActor(), Option.<String>empty());
            try {
                taskManager = TestingUtils.createTaskManager(system, jobManager, new Configuration(), true, false);
                final ActorGateway tm = taskManager;
                // handle the registration
                new Within(d) {

                    @Override
                    protected void run() {
                        expectMsgClass(RegistrationMessages.RegisterTaskManager.class);
                        final InstanceID iid = new InstanceID();
                        assertEquals(tm.actor(), getLastSender());
                        tm.tell(new RegistrationMessages.AcknowledgeRegistration(iid, 12345), jobManager);
                    }
                };
                final JobID jid = new JobID();
                final JobVertexID vid = new JobVertexID();
                final ExecutionAttemptID eid = new ExecutionAttemptID();
                final SerializedValue<ExecutionConfig> executionConfig = new SerializedValue<>(new ExecutionConfig());
                final TaskDeploymentDescriptor tdd = createTaskDeploymentDescriptor(jid, "TestJob", vid, eid, executionConfig, "TestTask", 7, 2, 7, 0, new Configuration(), new Configuration(), TestInvokableCorrect.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.<InputGateDeploymentDescriptor>emptyList(), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
                new Within(d) {

                    @Override
                    protected void run() {
                        tm.tell(new SubmitTask(tdd), jobManager);
                        // TaskManager should acknowledge the submission
                        // heartbeats may be interleaved
                        long deadline = System.currentTimeMillis() + 10000;
                        do {
                            Object message = receiveOne(d);
                            if (message.equals(Acknowledge.get())) {
                                break;
                            }
                        } while (System.currentTimeMillis() < deadline);
                        // task should have switched to running
                        Object toRunning = new TaskMessages.UpdateTaskExecutionState(new TaskExecutionState(jid, eid, ExecutionState.RUNNING));
                        // task should have switched to finished
                        Object toFinished = new TaskMessages.UpdateTaskExecutionState(new TaskExecutionState(jid, eid, ExecutionState.FINISHED));
                        deadline = System.currentTimeMillis() + 10000;
                        do {
                            Object message = receiveOne(d);
                            if (message.equals(toRunning)) {
                                break;
                            } else if (!(message instanceof TaskManagerMessages.Heartbeat)) {
                                fail("Unexpected message: " + message);
                            }
                        } while (System.currentTimeMillis() < deadline);
                        deadline = System.currentTimeMillis() + 10000;
                        do {
                            Object message = receiveOne(d);
                            if (message.equals(toFinished)) {
                                break;
                            } else if (!(message instanceof TaskManagerMessages.Heartbeat)) {
                                fail("Unexpected message: " + message);
                            }
                        } while (System.currentTimeMillis() < deadline);
                    }
                };
            } finally {
                // shut down the actors
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 12 with JavaTestKit

use of akka.testkit.JavaTestKit in project flink by apache.

the class TaskManagerTest method testRemotePartitionNotFound.

/**
	 * Tests that repeated remote {@link PartitionNotFoundException}s ultimately fail the receiver.
	 */
@Test
public void testRemotePartitionNotFound() throws Exception {
    new JavaTestKit(system) {

        {
            ActorGateway jobManager = null;
            ActorGateway taskManager = null;
            final ActorGateway testActorGateway = new AkkaActorGateway(getTestActor(), leaderSessionID);
            try {
                final IntermediateDataSetID resultId = new IntermediateDataSetID();
                // Create the JM
                ActorRef jm = system.actorOf(Props.create(new SimplePartitionStateLookupJobManagerCreator(leaderSessionID, getTestActor())));
                jobManager = new AkkaActorGateway(jm, leaderSessionID);
                final int dataPort = NetUtils.getAvailablePort();
                Configuration config = new Configuration();
                config.setInteger(ConfigConstants.TASK_MANAGER_DATA_PORT_KEY, dataPort);
                config.setInteger(TaskManagerOptions.NETWORK_REQUEST_BACKOFF_INITIAL, 100);
                config.setInteger(TaskManagerOptions.NETWORK_REQUEST_BACKOFF_MAX, 200);
                taskManager = TestingUtils.createTaskManager(system, jobManager, config, false, true);
                // ---------------------------------------------------------------------------------
                final ActorGateway tm = taskManager;
                final JobID jid = new JobID();
                final JobVertexID vid = new JobVertexID();
                final ExecutionAttemptID eid = new ExecutionAttemptID();
                final ResultPartitionID partitionId = new ResultPartitionID();
                // Remote location (on the same TM though) for the partition
                final ResultPartitionLocation loc = ResultPartitionLocation.createRemote(new ConnectionID(new InetSocketAddress("localhost", dataPort), 0));
                final InputChannelDeploymentDescriptor[] icdd = new InputChannelDeploymentDescriptor[] { new InputChannelDeploymentDescriptor(partitionId, loc) };
                final InputGateDeploymentDescriptor igdd = new InputGateDeploymentDescriptor(resultId, ResultPartitionType.PIPELINED, 0, icdd);
                final TaskDeploymentDescriptor tdd = createTaskDeploymentDescriptor(jid, "TestJob", vid, eid, new SerializedValue<>(new ExecutionConfig()), "Receiver", 1, 0, 1, 0, new Configuration(), new Configuration(), Tasks.AgnosticReceiver.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.singletonList(igdd), Collections.<BlobKey>emptyList(), Collections.<URL>emptyList(), 0);
                new Within(d) {

                    @Override
                    protected void run() {
                        // Submit the task
                        tm.tell(new SubmitTask(tdd), testActorGateway);
                        expectMsgClass(Acknowledge.get().getClass());
                        // Wait to be notified about the final execution state by the mock JM
                        TaskExecutionState msg = expectMsgClass(TaskExecutionState.class);
                        // The task should fail after repeated requests
                        assertEquals(ExecutionState.FAILED, msg.getExecutionState());
                        Throwable t = msg.getError(ClassLoader.getSystemClassLoader());
                        assertEquals("Thrown exception was not a PartitionNotFoundException: " + t.getMessage(), PartitionNotFoundException.class, t.getClass());
                    }
                };
            } catch (Exception e) {
                e.printStackTrace();
                fail(e.getMessage());
            } finally {
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 13 with JavaTestKit

use of akka.testkit.JavaTestKit in project flink by apache.

the class TaskManagerTest method testJobSubmissionAndCanceling.

@Test
public void testJobSubmissionAndCanceling() {
    new JavaTestKit(system) {

        {
            ActorGateway jobManager = null;
            ActorGateway taskManager = null;
            final ActorGateway testActorGateway = new AkkaActorGateway(getTestActor(), leaderSessionID);
            try {
                ActorRef jm = system.actorOf(Props.create(SimpleJobManager.class, leaderSessionID));
                jobManager = new AkkaActorGateway(jm, leaderSessionID);
                taskManager = TestingUtils.createTaskManager(system, jobManager, new Configuration(), true, true);
                final JobID jid1 = new JobID();
                final JobID jid2 = new JobID();
                JobVertexID vid1 = new JobVertexID();
                JobVertexID vid2 = new JobVertexID();
                final ExecutionAttemptID eid1 = new ExecutionAttemptID();
                final ExecutionAttemptID eid2 = new ExecutionAttemptID();
                final TaskDeploymentDescriptor tdd1 = createTaskDeploymentDescriptor(jid1, "TestJob1", vid1, eid1, new SerializedValue<>(new ExecutionConfig()), "TestTask1", 5, 1, 5, 0, new Configuration(), new Configuration(), TestInvokableBlockingCancelable.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.<InputGateDeploymentDescriptor>emptyList(), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
                final TaskDeploymentDescriptor tdd2 = createTaskDeploymentDescriptor(jid2, "TestJob2", vid2, eid2, new SerializedValue<>(new ExecutionConfig()), "TestTask2", 7, 2, 7, 0, new Configuration(), new Configuration(), TestInvokableBlockingCancelable.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.<InputGateDeploymentDescriptor>emptyList(), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
                final ActorGateway tm = taskManager;
                new Within(d) {

                    @Override
                    protected void run() {
                        try {
                            Future<Object> t1Running = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskIsRunning(eid1), timeout);
                            Future<Object> t2Running = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskIsRunning(eid2), timeout);
                            tm.tell(new SubmitTask(tdd1), testActorGateway);
                            tm.tell(new SubmitTask(tdd2), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            expectMsgEquals(Acknowledge.get());
                            Await.ready(t1Running, d);
                            Await.ready(t2Running, d);
                            tm.tell(TestingTaskManagerMessages.getRequestRunningTasksMessage(), testActorGateway);
                            Map<ExecutionAttemptID, Task> runningTasks = expectMsgClass(TestingTaskManagerMessages.ResponseRunningTasks.class).asJava();
                            assertEquals(2, runningTasks.size());
                            Task t1 = runningTasks.get(eid1);
                            Task t2 = runningTasks.get(eid2);
                            assertNotNull(t1);
                            assertNotNull(t2);
                            assertEquals(ExecutionState.RUNNING, t1.getExecutionState());
                            assertEquals(ExecutionState.RUNNING, t2.getExecutionState());
                            tm.tell(new CancelTask(eid1), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            Future<Object> response = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskRemoved(eid1), timeout);
                            Await.ready(response, d);
                            assertEquals(ExecutionState.CANCELED, t1.getExecutionState());
                            tm.tell(TestingTaskManagerMessages.getRequestRunningTasksMessage(), testActorGateway);
                            runningTasks = expectMsgClass(TestingTaskManagerMessages.ResponseRunningTasks.class).asJava();
                            assertEquals(1, runningTasks.size());
                            tm.tell(new CancelTask(eid1), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            tm.tell(new CancelTask(eid2), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            response = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskRemoved(eid2), timeout);
                            Await.ready(response, d);
                            assertEquals(ExecutionState.CANCELED, t2.getExecutionState());
                            tm.tell(TestingTaskManagerMessages.getRequestRunningTasksMessage(), testActorGateway);
                            runningTasks = expectMsgClass(TestingTaskManagerMessages.ResponseRunningTasks.class).asJava();
                            assertEquals(0, runningTasks.size());
                        } catch (Exception e) {
                            e.printStackTrace();
                            fail(e.getMessage());
                        }
                    }
                };
            } catch (Exception e) {
                e.printStackTrace();
                fail(e.getMessage());
            } finally {
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 14 with JavaTestKit

use of akka.testkit.JavaTestKit in project flink by apache.

the class TaskManagerTest method testFailingScheduleOrUpdateConsumersMessage.

/**
	 * Test that a failing schedule or update consumers call leads to the failing of the respective
	 * task.
	 *
	 * IMPORTANT: We have to make sure that the invokable's cancel method is called, because only
	 * then the future is completed. We do this by not eagerly deploy consumer tasks and requiring
	 * the invokable to fill one memory segment. The completed memory segment will trigger the
	 * scheduling of the downstream operator since it is in pipeline mode. After we've filled the
	 * memory segment, we'll block the invokable and wait for the task failure due to the failed
	 * schedule or update consumers call.
	 */
@Test(timeout = 10000L)
public void testFailingScheduleOrUpdateConsumersMessage() throws Exception {
    new JavaTestKit(system) {

        {
            final Configuration configuration = new Configuration();
            // set the memory segment to the smallest size possible, because we have to fill one
            // memory buffer to trigger the schedule or update consumers message to the downstream
            // operators
            configuration.setInteger(ConfigConstants.TASK_MANAGER_MEMORY_SEGMENT_SIZE_KEY, 4096);
            final JobID jid = new JobID();
            final JobVertexID vid = new JobVertexID();
            final ExecutionAttemptID eid = new ExecutionAttemptID();
            final SerializedValue<ExecutionConfig> executionConfig = new SerializedValue<>(new ExecutionConfig());
            final ResultPartitionDeploymentDescriptor resultPartitionDeploymentDescriptor = new ResultPartitionDeploymentDescriptor(new IntermediateDataSetID(), new IntermediateResultPartitionID(), ResultPartitionType.PIPELINED, 1, 1, true);
            final TaskDeploymentDescriptor tdd = createTaskDeploymentDescriptor(jid, "TestJob", vid, eid, executionConfig, "TestTask", 1, 0, 1, 0, new Configuration(), new Configuration(), TestInvokableRecordCancel.class.getName(), Collections.singletonList(resultPartitionDeploymentDescriptor), Collections.<InputGateDeploymentDescriptor>emptyList(), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
            ActorRef jmActorRef = system.actorOf(Props.create(FailingScheduleOrUpdateConsumersJobManager.class, leaderSessionID), "jobmanager");
            ActorGateway jobManager = new AkkaActorGateway(jmActorRef, leaderSessionID);
            final ActorGateway taskManager = TestingUtils.createTaskManager(system, jobManager, configuration, true, true);
            try {
                TestInvokableRecordCancel.resetGotCanceledFuture();
                Future<Object> result = taskManager.ask(new SubmitTask(tdd), timeout);
                Await.result(result, timeout);
                org.apache.flink.runtime.concurrent.Future<Boolean> cancelFuture = TestInvokableRecordCancel.gotCanceled();
                assertEquals(true, cancelFuture.get());
            } finally {
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 15 with JavaTestKit

use of akka.testkit.JavaTestKit in project flink by apache.

the class TaskManagerMetricsTest method testMetricRegistryLifeCycle.

/**
	 * Tests the metric registry life cycle on JobManager re-connects.
	 */
@Test
public void testMetricRegistryLifeCycle() throws Exception {
    ActorSystem actorSystem = null;
    try {
        actorSystem = AkkaUtils.createLocalActorSystem(new Configuration());
        // ================================================================
        // Start JobManager
        // ================================================================
        final ActorRef jobManager = JobManager.startJobManagerActors(new Configuration(), actorSystem, TestingUtils.defaultExecutor(), TestingUtils.defaultExecutor(), JobManager.class, MemoryArchivist.class)._1();
        LeaderRetrievalService leaderRetrievalService = new StandaloneLeaderRetrievalService(jobManager.path().toString());
        // ================================================================
        // Start TaskManager
        // ================================================================
        final Configuration config = new Configuration();
        final ResourceID tmResourceID = ResourceID.generate();
        TaskManagerServicesConfiguration taskManagerServicesConfiguration = TaskManagerServicesConfiguration.fromConfiguration(config, InetAddress.getLocalHost(), false);
        TaskManagerConfiguration taskManagerConfiguration = TaskManagerConfiguration.fromConfiguration(config);
        TaskManagerServices taskManagerServices = TaskManagerServices.fromConfiguration(taskManagerServicesConfiguration, tmResourceID);
        final MetricRegistry tmRegistry = taskManagerServices.getMetricRegistry();
        // create the task manager
        final Props tmProps = TaskManager.getTaskManagerProps(TaskManager.class, taskManagerConfiguration, tmResourceID, taskManagerServices.getTaskManagerLocation(), taskManagerServices.getMemoryManager(), taskManagerServices.getIOManager(), taskManagerServices.getNetworkEnvironment(), leaderRetrievalService, tmRegistry);
        final ActorRef taskManager = actorSystem.actorOf(tmProps);
        new JavaTestKit(actorSystem) {

            {
                new Within(new FiniteDuration(5000, TimeUnit.SECONDS)) {

                    @Override
                    protected void run() {
                        taskManager.tell(TaskManagerMessages.getNotifyWhenRegisteredAtJobManagerMessage(), getTestActor());
                        // wait for the TM to be registered
                        expectMsgEquals(TaskManagerMessages.getRegisteredAtJobManagerMessage());
                        // trigger re-registration of TM; this should include a disconnect from the current JM
                        taskManager.tell(new TaskManagerMessages.JobManagerLeaderAddress(jobManager.path().toString(), null), jobManager);
                        // wait for re-registration to be completed
                        taskManager.tell(TaskManagerMessages.getNotifyWhenRegisteredAtJobManagerMessage(), getTestActor());
                        expectMsgEquals(TaskManagerMessages.getRegisteredAtJobManagerMessage());
                    }
                };
            }
        };
        // verify that the registry was not shutdown due to the disconnect
        Assert.assertFalse(tmRegistry.isShutdown());
        // shut down the actors and the actor system
        actorSystem.shutdown();
        actorSystem.awaitTermination();
    } finally {
        if (actorSystem != null) {
            actorSystem.shutdown();
        }
    }
}