@Test
public void testSingleViewMultipleClients() {
ViewProcessorTestEnvironment env = new ViewProcessorTestEnvironment();
env.init();
ViewProcessorImpl vp = env.getViewProcessor();
vp.start();
ViewClient client1 = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
assertNotNull(client1.getUniqueId());
client1.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewProcessImpl client1Process = env.getViewProcess(vp, client1.getUniqueId());
assertTrue(client1Process.getState() == ViewProcessState.RUNNING);
ViewClient client2 = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
assertNotNull(client2.getUniqueId());
assertFalse(client1.getUniqueId().equals(client2.getUniqueId()));
client2.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewProcessImpl client2Process = env.getViewProcess(vp, client2.getUniqueId());
assertEquals(client1Process, client2Process);
assertTrue(client2Process.getState() == ViewProcessState.RUNNING);
client1.detachFromViewProcess();
assertTrue(client2Process.getState() == ViewProcessState.RUNNING);
client2.detachFromViewProcess();
assertTrue(client2Process.getState() == ViewProcessState.TERMINATED);
client1.shutdown();
client2.shutdown();
}
@Test
public void testChangeOfListeners() throws InterruptedException {
ViewProcessorTestEnvironment env = new ViewProcessorTestEnvironment();
SynchronousInMemoryLKVSnapshotProvider marketDataProvider =
new SynchronousInMemoryLKVSnapshotProvider();
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 0);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive2(), 0);
env.setMarketDataProvider(marketDataProvider);
env.init();
ViewProcessorImpl vp = env.getViewProcessor();
vp.start();
ViewClient client = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client.setFragmentResultMode(ViewResultMode.FULL_ONLY);
TestViewResultListener resultListener1 = new TestViewResultListener();
client.setResultListener(resultListener1);
// Start live computation and collect the initial result
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 2);
client.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewProcessImpl viewProcess = env.getViewProcess(vp, client.getUniqueId());
assertEquals(ViewProcessState.RUNNING, viewProcess.getState());
ViewComputationJob recalcJob = env.getCurrentComputationJob(viewProcess);
resultListener1.assertViewDefinitionCompiled(TIMEOUT);
resultListener1.assertCycleInitiated(TIMEOUT);
resultListener1.assertCycleFragmentCompleted(TIMEOUT);
resultListener1.assertCycleCompleted(TIMEOUT);
assertEquals(0, resultListener1.getQueueSize());
// Push through a second result
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 3);
recalcJob.marketDataChanged();
resultListener1.assertCycleInitiated(TIMEOUT);
resultListener1.assertCycleFragmentCompleted(TIMEOUT);
resultListener1.assertCycleCompleted(TIMEOUT);
assertEquals(0, resultListener1.getQueueSize());
// Change listener
TestViewResultListener resultListener2 = new TestViewResultListener();
client.setResultListener(resultListener2);
// Push through a result which should arrive at the new listeners
recalcJob.marketDataChanged();
resultListener2.assertCycleInitiated(TIMEOUT);
resultListener2.assertCycleFragmentCompleted(TIMEOUT);
resultListener2.assertCycleCompleted(TIMEOUT);
assertEquals(0, resultListener1.getQueueSize());
assertEquals(0, resultListener2.getQueueSize());
client.setResultListener(null);
client.shutdown();
assertEquals(ViewProcessState.TERMINATED, viewProcess.getState());
vp.stop();
}
@Test
public void testOldRecalculationThreadDies() throws InterruptedException {
ViewProcessorTestEnvironment env = new ViewProcessorTestEnvironment();
SynchronousInMemoryLKVSnapshotProvider marketDataProvider =
new SynchronousInMemoryLKVSnapshotProvider();
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 0);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive2(), 0);
env.setMarketDataProvider(marketDataProvider);
env.init();
ViewProcessorImpl vp = env.getViewProcessor();
vp.start();
ViewClient client = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewProcessImpl viewProcess1 = env.getViewProcess(vp, client.getUniqueId());
ViewComputationJob recalcJob1 = env.getCurrentComputationJob(viewProcess1);
Thread recalcThread1 = env.getCurrentComputationThread(viewProcess1);
assertFalse(recalcJob1.isTerminated());
assertTrue(recalcThread1.isAlive());
client.detachFromViewProcess();
client.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewProcessImpl viewProcess2 = env.getViewProcess(vp, client.getUniqueId());
ViewComputationJob recalcJob2 = env.getCurrentComputationJob(viewProcess2);
Thread recalcThread2 = env.getCurrentComputationThread(viewProcess2);
assertFalse(viewProcess1 == viewProcess2);
assertTrue(recalcJob1.isTerminated());
assertFalse(recalcJob2.isTerminated());
recalcThread1.join(TIMEOUT);
assertFalse(recalcThread1.isAlive());
assertTrue(recalcThread2.isAlive());
vp.stop();
assertTrue(recalcJob2.isTerminated());
}
@Test(expectedExceptions = IllegalStateException.class)
public void testUseTerminatedClient() {
ViewProcessorTestEnvironment env = new ViewProcessorTestEnvironment();
env.init();
ViewProcessorImpl vp = env.getViewProcessor();
vp.start();
ViewClient client = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewProcess viewProcess = env.getViewProcess(vp, client.getUniqueId());
client.shutdown();
assertEquals(ViewProcessState.TERMINATED, viewProcess.getState());
client.pause();
}
@Test
public void testCascadingShutdown() {
ViewProcessorTestEnvironment env = new ViewProcessorTestEnvironment();
env.init();
ViewProcessorImpl vp = env.getViewProcessor();
vp.start();
ViewClient client1 = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client1.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewClient client2 = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client2.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
ViewProcessImpl view = env.getViewProcess(vp, client1.getUniqueId());
vp.stop();
assertFalse(vp.isRunning());
assertFalse(view.isRunning());
assertTrue(view.getState() == ViewProcessState.TERMINATED);
assertFalse(client1.isAttached());
assertFalse(client2.isAttached());
client1.shutdown();
client2.shutdown();
}
@Test
public void testStates() throws InterruptedException {
ViewProcessorTestEnvironment env = new ViewProcessorTestEnvironment();
SynchronousInMemoryLKVSnapshotProvider marketDataProvider =
new SynchronousInMemoryLKVSnapshotProvider();
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 0);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive2(), (byte) 0);
env.setMarketDataProvider(marketDataProvider);
env.init();
ViewProcessorImpl vp = env.getViewProcessor();
vp.start();
ViewClient client1 = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client1.setFragmentResultMode(ViewResultMode.FULL_ONLY);
TestViewResultListener client1ResultListener = new TestViewResultListener();
client1.setResultListener(client1ResultListener);
assertEquals(0, client1ResultListener.getQueueSize());
client1.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
// Wait for first computation cycle
client1ResultListener.assertViewDefinitionCompiled(TIMEOUT);
client1ResultListener.expectNextCall(CycleInitiatedCall.class, TIMEOUT);
client1ResultListener.assertCycleFragmentCompleted(TIMEOUT);
client1ResultListener.assertCycleCompleted(TIMEOUT);
ViewClient client2 = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client2.setFragmentResultMode(ViewResultMode.FULL_ONLY);
TestViewResultListener client2ResultListener = new TestViewResultListener();
client2.setResultListener(client2ResultListener);
assertEquals(0, client2ResultListener.getQueueSize());
client2.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
// Initial result should be pushed through
client2ResultListener.assertViewDefinitionCompiled(TIMEOUT);
client2ResultListener.assertCycleCompleted(TIMEOUT);
ViewProcessImpl viewProcess1 = env.getViewProcess(vp, client1.getUniqueId());
ViewProcessImpl viewProcess2 = env.getViewProcess(vp, client2.getUniqueId());
assertEquals(viewProcess1, viewProcess2);
client1.pause();
client1ResultListener.assertNoCalls(TIMEOUT);
// Now client 1 is paused, so any changes should be batched.
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 1);
env.getCurrentComputationJob(viewProcess1).marketDataChanged();
client2ResultListener.assertCycleInitiated(TIMEOUT);
client2ResultListener.assertCycleFragmentCompleted(TIMEOUT);
client2ResultListener.assertCycleCompleted(TIMEOUT);
assertEquals(0, client2ResultListener.getQueueSize());
client1ResultListener.assertNoCalls(TIMEOUT);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 2);
env.getCurrentComputationJob(viewProcess1).marketDataChanged();
client2ResultListener.assertCycleInitiated(TIMEOUT);
client2ResultListener.assertCycleFragmentCompleted(TIMEOUT);
client2ResultListener.assertCycleCompleted(TIMEOUT);
assertEquals(0, client2ResultListener.getQueueSize());
client1ResultListener.assertNoCalls(TIMEOUT);
// Resuming should release the most recent result to the client
client1.resume();
client1ResultListener.getCycleInitiated(TIMEOUT).getCycleInfo();
ViewComputationResultModel result2Fragment =
client1ResultListener.getCycleFragmentCompleted(TIMEOUT).getFullFragment();
ViewComputationResultModel result2 =
client1ResultListener.getCycleCompleted(TIMEOUT).getFullResult();
Map<ValueRequirement, Object> expected = new HashMap<ValueRequirement, Object>();
expected.put(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 2);
expected.put(ViewProcessorTestEnvironment.getPrimitive2(), (byte) 0);
assertComputationResult(expected, env.getCalculationResult(result2Fragment));
assertComputationResult(expected, env.getCalculationResult(result2));
// Changes should now propagate straight away to both listeners
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 3);
env.getCurrentComputationJob(viewProcess1).marketDataChanged();
client1ResultListener.assertCycleInitiated(TIMEOUT);
client2ResultListener.assertCycleInitiated(TIMEOUT);
client2ResultListener.assertCycleFragmentCompleted(TIMEOUT);
client2ResultListener.assertCycleCompleted(TIMEOUT);
ViewComputationResultModel result3Fragment =
client1ResultListener.getCycleFragmentCompleted(TIMEOUT).getFullFragment();
ViewComputationResultModel result3 =
client1ResultListener.getCycleCompleted(TIMEOUT).getFullResult();
expected = new HashMap<ValueRequirement, Object>();
expected.put(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 3);
expected.put(ViewProcessorTestEnvironment.getPrimitive2(), (byte) 0);
assertComputationResult(expected, env.getCalculationResult(result3Fragment));
assertComputationResult(expected, env.getCalculationResult(result3));
// Pause results again and we should be back to merging both whole cycle results and fragments
client1.pause();
client2ResultListener.assertNoCalls(TIMEOUT);
client1ResultListener.assertNoCalls(TIMEOUT);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive2(), (byte) 1);
env.getCurrentComputationJob(viewProcess1).marketDataChanged();
client2ResultListener.assertCycleInitiated(TIMEOUT);
client2ResultListener.assertCycleFragmentCompleted(TIMEOUT);
client2ResultListener.assertCycleCompleted(TIMEOUT);
assertEquals(0, client2ResultListener.getQueueSize());
client1ResultListener.assertNoCalls(TIMEOUT);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive2(), (byte) 2);
env.getCurrentComputationJob(viewProcess1).marketDataChanged();
client2ResultListener.assertCycleInitiated(TIMEOUT);
client2ResultListener.assertCycleFragmentCompleted(TIMEOUT);
client2ResultListener.assertCycleCompleted(TIMEOUT);
assertEquals(0, client2ResultListener.getQueueSize());
client1ResultListener.assertNoCalls(TIMEOUT);
// Start results again
client1.resume();
client1ResultListener.assertCycleInitiated(TIMEOUT);
ViewComputationResultModel result4Fragment =
client1ResultListener.getCycleFragmentCompleted(TIMEOUT).getFullFragment();
ViewComputationResultModel result4 =
client1ResultListener.getCycleCompleted(TIMEOUT).getFullResult();
assertEquals(0, client1ResultListener.getQueueSize());
client2ResultListener.assertNoCalls(TIMEOUT);
expected = new HashMap<ValueRequirement, Object>();
expected.put(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 3);
expected.put(ViewProcessorTestEnvironment.getPrimitive2(), (byte) 2);
assertComputationResult(expected, env.getCalculationResult(result4Fragment));
assertComputationResult(expected, env.getCalculationResult(result4));
client1.detachFromViewProcess();
client2ResultListener.assertNoCalls(TIMEOUT);
client1ResultListener.assertNoCalls(TIMEOUT);
client1.shutdown();
client2.shutdown();
}
@Test
public void testDeltaResults() throws InterruptedException {
ViewProcessorTestEnvironment env = new ViewProcessorTestEnvironment();
SynchronousInMemoryLKVSnapshotProvider marketDataProvider =
new SynchronousInMemoryLKVSnapshotProvider();
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 0);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive2(), 0);
env.setMarketDataProvider(marketDataProvider);
env.init();
ViewProcessorImpl vp = env.getViewProcessor();
vp.start();
ViewClient client = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);
client.setResultMode(ViewResultMode.DELTA_ONLY);
client.setFragmentResultMode(ViewResultMode.FULL_ONLY);
TestViewResultListener resultListener = new TestViewResultListener();
client.setResultListener(resultListener);
// Client not attached - should not have been listening to anything that might have been going
// on
assertEquals(0, resultListener.getQueueSize());
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 1);
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive2(), 2);
assertEquals(0, resultListener.getQueueSize());
client.attachToViewProcess(
env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live()));
resultListener.assertViewDefinitionCompiled(TIMEOUT);
resultListener.assertCycleInitiated(TIMEOUT);
resultListener.assertCycleFragmentCompleted(TIMEOUT);
ViewDeltaResultModel result1 = resultListener.getCycleCompleted(TIMEOUT).getDeltaResult();
assertNotNull(result1);
Map<ValueRequirement, Object> expected = new HashMap<ValueRequirement, Object>();
expected.put(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 1);
expected.put(ViewProcessorTestEnvironment.getPrimitive2(), (byte) 2);
assertComputationResult(expected, env.getCalculationResult(result1));
client.pause();
// Just update one live data value, and only this one value should end up in the delta
marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 3);
assertEquals(0, resultListener.getQueueSize());
ViewProcessImpl viewProcess = env.getViewProcess(vp, client.getUniqueId());
env.getCurrentComputationJob(viewProcess)
.marketDataChanged(); // Need to get it to perform another cycle
// Should have been merging results received in the meantime
client.resume();
resultListener.assertCycleInitiated(TIMEOUT);
resultListener.assertCycleFragmentCompleted(TIMEOUT);
ViewDeltaResultModel result2 = resultListener.getCycleCompleted(TIMEOUT).getDeltaResult();
expected = new HashMap<ValueRequirement, Object>();
expected.put(ViewProcessorTestEnvironment.getPrimitive1(), (byte) 3);
assertComputationResult(expected, env.getCalculationResult(result2));
}