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* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.search.aggregations.bucket.histogram;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.InternalAggregations;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import org.elasticsearch.search.aggregations.BucketOrder;
import org.elasticsearch.test.InternalAggregationTestCase;
import org.joda.time.DateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import static org.elasticsearch.common.unit.TimeValue.timeValueHours;
import static org.elasticsearch.common.unit.TimeValue.timeValueMinutes;
import static org.elasticsearch.common.unit.TimeValue.timeValueSeconds;
public class InternalDateHistogramTests extends InternalAggregationTestCase<InternalDateHistogram> {
@Override
protected InternalDateHistogram createTestInstance(String name, List<PipelineAggregator> pipelineAggregators,
Map<String, Object> metaData) {
boolean keyed = randomBoolean();
DocValueFormat format = DocValueFormat.RAW;
int nbBuckets = randomInt(10);
List<InternalDateHistogram.Bucket> buckets = new ArrayList<>(nbBuckets);
long startingDate = System.currentTimeMillis();
long interval = randomIntBetween(1, 3);
long intervalMillis = randomFrom(timeValueSeconds(interval), timeValueMinutes(interval), timeValueHours(interval)).getMillis();
for (int i = 0; i < nbBuckets; i++) {
long key = startingDate + (intervalMillis * i);
buckets.add(i, new InternalDateHistogram.Bucket(key, randomIntBetween(1, 100), keyed, format, InternalAggregations.EMPTY));
}
BucketOrder order = randomFrom(BucketOrder.key(true), BucketOrder.key(false));
return new InternalDateHistogram(name, buckets, order, 1, 0L, null, format, keyed, pipelineAggregators, metaData);
}
@Override
protected void assertReduced(InternalDateHistogram reduced, List<InternalDateHistogram> inputs) {
Map<Long, Long> expectedCounts = new TreeMap<>();
for (Histogram histogram : inputs) {
for (Histogram.Bucket bucket : histogram.getBuckets()) {
expectedCounts.compute(((DateTime) bucket.getKey()).getMillis(),
(key, oldValue) -> (oldValue == null ? 0 : oldValue) + bucket.getDocCount());
}
}
Map<Long, Long> actualCounts = new TreeMap<>();
for (Histogram.Bucket bucket : reduced.getBuckets()) {
actualCounts.compute(((DateTime) bucket.getKey()).getMillis(),
(key, oldValue) -> (oldValue == null ? 0 : oldValue) + bucket.getDocCount());
}
assertEquals(expectedCounts, actualCounts);
}
@Override
protected Writeable.Reader<InternalDateHistogram> instanceReader() {
return InternalDateHistogram::new;
}
}