@Test public void testProcessHeartbeat() throws Exception { TestGeneratorInputOperator o1 = dag.addOperator("o1", TestGeneratorInputOperator.class); dag.setAttribute( o1, OperatorContext.STATS_LISTENERS, Arrays.asList(new StatsListener[] {new PartitioningTest.PartitionLoadWatch()})); dag.setAttribute(OperatorContext.STORAGE_AGENT, new MemoryStorageAgent()); StreamingContainerManager scm = new StreamingContainerManager(dag); PhysicalPlan plan = scm.getPhysicalPlan(); Assert.assertEquals("number required containers", 1, plan.getContainers().size()); PTOperator o1p1 = plan.getOperators(dag.getMeta(o1)).get(0); // assign container String containerId = "container1"; StreamingContainerAgent sca = scm.assignContainer( new ContainerResource(0, containerId, "localhost", 512, 0, null), InetSocketAddress.createUnresolved("localhost", 0)); Assert.assertNotNull(sca); Assert.assertEquals(PTContainer.State.ALLOCATED, o1p1.getContainer().getState()); Assert.assertEquals(PTOperator.State.PENDING_DEPLOY, o1p1.getState()); ContainerStats cstats = new ContainerStats(containerId); ContainerHeartbeat hb = new ContainerHeartbeat(); hb.setContainerStats(cstats); ContainerHeartbeatResponse chr = scm.processHeartbeat(hb); // get deploy request Assert.assertNotNull(chr.deployRequest); Assert.assertEquals("" + chr.deployRequest, 1, chr.deployRequest.size()); Assert.assertEquals(PTContainer.State.ACTIVE, o1p1.getContainer().getState()); Assert.assertEquals("state " + o1p1, PTOperator.State.PENDING_DEPLOY, o1p1.getState()); // first operator heartbeat OperatorHeartbeat ohb = new OperatorHeartbeat(); ohb.setNodeId(o1p1.getId()); ohb.setState(OperatorHeartbeat.DeployState.ACTIVE); OperatorStats stats = new OperatorStats(); stats.checkpoint = new Checkpoint(2, 0, 0); stats.windowId = 3; stats.outputPorts = Lists.newArrayList(); PortStats ps = new PortStats(TestGeneratorInputOperator.OUTPUT_PORT); ps.bufferServerBytes = 101; ps.tupleCount = 1; stats.outputPorts.add(ps); ohb.windowStats = Lists.newArrayList(stats); cstats.operators.add(ohb); scm.processHeartbeat(hb); // activate operator Assert.assertEquals(PTContainer.State.ACTIVE, o1p1.getContainer().getState()); Assert.assertEquals("state " + o1p1, PTOperator.State.ACTIVE, o1p1.getState()); Assert.assertEquals("tuples " + o1p1, 1, o1p1.stats.totalTuplesEmitted.get()); Assert.assertEquals("tuples " + o1p1, 0, o1p1.stats.totalTuplesProcessed.get()); Assert.assertEquals("window " + o1p1, 3, o1p1.stats.currentWindowId.get()); Assert.assertEquals("port stats", 1, o1p1.stats.outputPortStatusList.size()); PortStatus o1p1ps = o1p1.stats.outputPortStatusList.get(TestGeneratorInputOperator.OUTPUT_PORT); Assert.assertNotNull("port stats", o1p1ps); Assert.assertEquals("port stats", 1, o1p1ps.totalTuples); // second operator heartbeat stats = new OperatorStats(); stats.checkpoint = new Checkpoint(2, 0, 0); stats.windowId = 4; stats.outputPorts = Lists.newArrayList(); ps = new PortStats(TestGeneratorInputOperator.OUTPUT_PORT); ps.bufferServerBytes = 1; ps.tupleCount = 1; stats.outputPorts.add(ps); ohb.windowStats = Lists.newArrayList(stats); cstats.operators.clear(); cstats.operators.add(ohb); scm.processHeartbeat(hb); Assert.assertEquals("tuples " + o1p1, 2, o1p1.stats.totalTuplesEmitted.get()); Assert.assertEquals("window " + o1p1, 4, o1p1.stats.currentWindowId.get()); Assert.assertEquals("statsQueue " + o1p1, 2, o1p1.stats.listenerStats.size()); scm.processEvents(); Assert.assertEquals("statsQueue " + o1p1, 0, o1p1.stats.listenerStats.size()); Assert.assertEquals("lastStats " + o1p1, 2, o1p1.stats.lastWindowedStats.size()); }