@Test
public void testUnsubscribeOnEventTypeRemoval() {
// Mock the task scheduler and capture the runnable
ArgumentCaptor<Runnable> runnableArg = ArgumentCaptor.forClass(Runnable.class);
when(taskScheduler.scheduleWithFixedDelay(runnableArg.capture(), anyLong()))
.thenReturn(Mockito.mock(ScheduledFuture.class));
// Mock the response to the subsribeContext
ArgumentCaptor<SuccessCallback> successArg = ArgumentCaptor.forClass(SuccessCallback.class);
ListenableFuture<SubscribeContextResponse> responseFuture =
Mockito.mock(ListenableFuture.class);
doNothing().when(responseFuture).addCallback(successArg.capture(), any());
// Return the mocked future on subscription
when(ngsiClient.subscribeContext(any(), any(), any())).thenReturn(responseFuture);
Configuration configuration = getBasicConf();
subscriptionManager.setConfiguration(configuration);
// Execute scheduled runnable
runnableArg.getValue().run();
// Return the SubscribeContextResponse
callSuccessCallback(successArg);
// Mock future for unsubscribeContext
ListenableFuture<UnsubscribeContextResponse> responseFuture2 =
Mockito.mock(ListenableFuture.class);
doNothing().when(responseFuture2).addCallback(successArg.capture(), any());
when(ngsiClient.unsubscribeContext(eq("http://iotAgent"), eq(null), eq("12345678")))
.thenReturn(responseFuture2);
// Set a configuration without the eventType
Configuration emptyConfiguration = new Configuration();
emptyConfiguration.setEventTypeIns(Collections.emptyList());
subscriptionManager.setConfiguration(emptyConfiguration);
// Check that unsubsribe is called when a later configuration removed the event type
Assert.notNull(successArg.getValue());
}
