// https://github.com/elasticsearch/elasticsearch/issues/6435
public void testReduce() throws Exception {
createIndex("idx");
final int value = randomIntBetween(0, 10);
indexRandom(true, client().prepareIndex("idx", "type").setSource("f", value));
ensureYellow("idx"); // only one document let's make sure all shards have an active primary
SearchResponse response =
client()
.prepareSearch("idx")
.addAggregation(
filter("filter")
.filter(FilterBuilders.matchAllFilter())
.subAggregation(
range("range")
.field("f")
.addUnboundedTo(6)
.addUnboundedFrom(6)
.subAggregation(sum("sum").field("f"))))
.execute()
.actionGet();
assertSearchResponse(response);
Filter filter = response.getAggregations().get("filter");
assertNotNull(filter);
assertEquals(1, filter.getDocCount());
Range range = filter.getAggregations().get("range");
assertThat(range, notNullValue());
assertThat(range.getName(), equalTo("range"));
assertThat(range.getBuckets().size(), equalTo(2));
Range.Bucket bucket = range.getBucketByKey("*-6.0");
assertThat(bucket, notNullValue());
assertThat(bucket.getKey(), equalTo("*-6.0"));
assertThat(bucket.getFrom().doubleValue(), equalTo(Double.NEGATIVE_INFINITY));
assertThat(bucket.getTo().doubleValue(), equalTo(6.0));
assertThat(bucket.getDocCount(), equalTo(value < 6 ? 1L : 0L));
Sum sum = bucket.getAggregations().get("sum");
assertEquals(value < 6 ? value : 0, sum.getValue(), 0d);
bucket = range.getBucketByKey("6.0-*");
assertThat(bucket, notNullValue());
assertThat(bucket.getKey(), equalTo("6.0-*"));
assertThat(bucket.getFrom().doubleValue(), equalTo(6.0));
assertThat(bucket.getTo().doubleValue(), equalTo(Double.POSITIVE_INFINITY));
assertThat(bucket.getDocCount(), equalTo(value >= 6 ? 1L : 0L));
sum = bucket.getAggregations().get("sum");
assertEquals(value >= 6 ? value : 0, sum.getValue(), 0d);
}
