private Map<String, String> buildAlertContext(AlertStreamEvent event) {
   Map<String, String> alertContext = new HashMap<>();
   alertContext.put(PublishConstants.ALERT_EMAIL_MESSAGE, event.toString());
   alertContext.put(PublishConstants.ALERT_EMAIL_POLICY, event.getPolicyId());
   alertContext.put(
       PublishConstants.ALERT_EMAIL_TIMESTAMP,
       DateTimeUtil.millisecondsToHumanDateWithSeconds(event.getCreatedTime()));
   alertContext.put(PublishConstants.ALERT_EMAIL_STREAM, event.getStreamId());
   alertContext.put(PublishConstants.ALERT_EMAIL_CREATOR, event.getCreatedBy());
   return alertContext;
 }
  @Test
  public void testPersistUpdatedEventUniq() throws Exception {
    StreamDefinition stream = createStream();
    PolicyDefinition policy = createPolicy(stream.getStreamId(), "testPolicy");

    AlertStreamEvent event =
        createEvent(
            stream,
            policy,
            new Object[] {
              System.currentTimeMillis(), "host1", "testPolicy-host1-01", "OPEN", 0, 0
            });

    HashMap<String, String> dedupFieldValues = new HashMap<String, String>();
    dedupFieldValues.put(
        "alertKey", (String) event.getData()[event.getSchema().getColumnIndex("alertKey")]);
    EventUniq eventUniq =
        new EventUniq(
            event.getStreamId(), event.getPolicyId(), event.getCreatedTime(), dedupFieldValues);

    System.setProperty("config.resource", "/application-mongo-statestore.conf");
    Config config = ConfigFactory.load();
    DedupCache cache = new DedupCache(config, "testPublishment");
    cache.addOrUpdate(
        eventUniq, (String) event.getData()[event.getSchema().getColumnIndex("state")]);

    DedupEventsStore accessor =
        DedupEventsStoreFactory.getStore(DedupEventsStoreType.Mongo, config, "testPublishment");
    Map<EventUniq, ConcurrentLinkedDeque<DedupValue>> events = accessor.getEvents();
    for (EventUniq one : events.keySet()) {
      if (one.equals(eventUniq)) {
        Assert.assertEquals(false, one.removable);
      }
    }
    for (Entry<EventUniq, ConcurrentLinkedDeque<DedupValue>> entry : events.entrySet()) {
      System.out.println(entry.getKey() + " >>> " + Joiner.on("\n\t").join(entry.getValue()));
    }

    eventUniq.removable = true;
    cache.persistUpdatedEventUniq(eventUniq);

    events = accessor.getEvents();
    for (EventUniq one : events.keySet()) {
      if (one.equals(eventUniq)) {
        Assert.assertEquals(true, one.removable);
      }
    }

    for (Entry<EventUniq, ConcurrentLinkedDeque<DedupValue>> entry : events.entrySet()) {
      System.out.println(entry.getKey() + " >>> " + Joiner.on("\n\t").join(entry.getValue()));
    }
  }