public void test_getStatistics() throws Exception { // empty initially assertEquals("0 relationships in 0 keys in 0 sources", store.getStatistics()); // record relationship store.recordRelationship(elementA, relationship, mockLocation(elementA)); store.recordRelationship(elementA, relationship, mockLocation(elementB)); store.recordRelationship(elementB, relationship, mockLocation(elementC)); assertEquals("3 relationships in 2 keys in 2 sources", store.getStatistics()); }