MetricsCalculator { public Map<String, DescriptiveStatistics> getSummaryResults() { return summaryResults; }  void retrieveAndCalculateTimingData(@Nonnull String jobId, Date start, Date end); Map<String, DescriptiveStatistics> getSummaryResults(); Map<String, Map<Date, BucketDataItem>> getBucketItems();  }
@Test public void testGetSummaryResults_1() throws Exception { MetricsCalculator fixture = new MetricsCalculator(); Map<String, DescriptiveStatistics> result = fixture.getSummaryResults(); assertNotNull(result); assertEquals(0, result.size()); }