source: class IspnAlertsServiceImplTest  {
  
      static final MsgLogger log;
  
      @Test
      public void queryEventsByCategory() throws Exception {
  
target:         int numTenants = 1;
          int numTriggers = 5;
          int numEvents = 5;
          createTestEvents(numTenants, numTriggers, numEvents);
  
          Set<String> tenantIds = new HashSet<>();
          tenantIds.add("tenant0");
  
          EventsCriteria criteria = new EventsCriteria();
          criteria.setCategory("category0");
  
          List<Event> category0Events = alerts.getEvents(tenantIds, criteria, null);
          assertEquals(15, category0Events.size());
  
          criteria.setCategories(Arrays.asList("category0", "category1"));
          List<Event> category01Events = alerts.getEvents(tenantIds, criteria, null);
          assertEquals(5 * 5, category01Events.size());
  
          deleteTestEvents(numTenants);
      }
  
  }