new CassandraCollectorGaugeDataStore().addToGauge(ROLE, 1, 5, MARKER);
new CassandraCollectorGaugeDataStore().addToGauge(ROLE, 2, 6, MARKER);
new CassandraCollectorGaugeDataStore().addToGauge(ROLE, 1, 5, "node2");
new CassandraCollectorGaugeDataStore().addToGauge(ROLE, 2, 6, "node2");
final Map<Long, Double> values = new CassandraCollectorGaugeDataStore().getGaugeValues(new GaugeValuesRequest(0, 5, ROLE));
assertNotNull(values);
assertEquals(2, values.size());
assertEquals(10., values.get(1L), 0.);
assertEquals(12., values.get(2L), 0.);