@Override
	public Map<String, Integer> getSummaryStats() {
		return summaryCache.get();
	}
@Test
	public void calculateSummaryStats_empty() {

		Mockito.when(approvedSiteService.getAll()).thenReturn(new HashSet<ApprovedSite>());

		Map<String, Integer> stats = service.getSummaryStats();

		assertThat(stats.get("approvalCount"), is(0));
		assertThat(stats.get("userCount"), is(0));
		assertThat(stats.get("clientCount"), is(0));
	}