Examples with Time org.apache.flink.api.common.time.Time used on opensource projects

Example 16 with Time

use of org.apache.flink.api.common.time.Time in project flink by apache.

the class ExecutionGraphSchedulingTest method testTimeoutForSlotAllocation.

/**
	 * This test verifies that the slot allocations times out after a certain time, and that
	 * all slots are released in that case.
	 */
@Test
public void testTimeoutForSlotAllocation() throws Exception {
    //  we construct a simple graph:    (task)
    final int parallelism = 3;
    final JobVertex vertex = new JobVertex("task");
    vertex.setParallelism(parallelism);
    vertex.setInvokableClass(NoOpInvokable.class);
    final JobID jobId = new JobID();
    final JobGraph jobGraph = new JobGraph(jobId, "test", vertex);
    final SlotOwner slotOwner = mock(SlotOwner.class);
    final TaskManagerGateway taskManager = mock(TaskManagerGateway.class);
    final SimpleSlot[] slots = new SimpleSlot[parallelism];
    @SuppressWarnings({ "unchecked", "rawtypes" }) final FlinkCompletableFuture<SimpleSlot>[] slotFutures = new FlinkCompletableFuture[parallelism];
    for (int i = 0; i < parallelism; i++) {
        slots[i] = createSlot(taskManager, jobId, slotOwner);
        slotFutures[i] = new FlinkCompletableFuture<>();
    }
    ProgrammedSlotProvider slotProvider = new ProgrammedSlotProvider(parallelism);
    slotProvider.addSlots(vertex.getID(), slotFutures);
    final ExecutionGraph eg = createExecutionGraph(jobGraph, slotProvider, Time.milliseconds(20));
    final TerminalJobStatusListener statusListener = new TerminalJobStatusListener();
    eg.registerJobStatusListener(statusListener);
    //  we complete one future
    slotFutures[1].complete(slots[1]);
    //  kick off the scheduling
    eg.setScheduleMode(ScheduleMode.EAGER);
    eg.setQueuedSchedulingAllowed(true);
    eg.scheduleForExecution();
    //  we complete another future
    slotFutures[2].complete(slots[2]);
    // since future[0] is still missing the while operation must time out
    // we have no restarts allowed, so the job will go terminal
    statusListener.waitForTerminalState(2000);
    // wait until all slots are back
    verify(slotOwner, new Timeout(2000, times(2))).returnAllocatedSlot(any(Slot.class));
    //  verify that no deployments have happened
    verify(taskManager, times(0)).submitTask(any(TaskDeploymentDescriptor.class), any(Time.class));
    for (Future<SimpleSlot> future : slotFutures) {
        if (future.isDone()) {
            assertTrue(future.get().isCanceled());
        }
    }
}