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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.search.aggregations.metrics.percentiles.hdr;
import org.HdrHistogram.DoubleHistogram;
import org.elasticsearch.common.io.stream.Writeable.Reader;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import org.elasticsearch.test.InternalAggregationTestCase;
import java.util.List;
import java.util.Map;
public class InternalHDRPercentilesRanksTests extends InternalAggregationTestCase<InternalHDRPercentileRanks> {
@Override
protected InternalHDRPercentileRanks createTestInstance(String name, List<PipelineAggregator> pipelineAggregators,
Map<String, Object> metaData) {
double[] cdfValues = new double[] { 0.5 };
int numberOfSignificantValueDigits = 3;
DoubleHistogram state = new DoubleHistogram(numberOfSignificantValueDigits);
int numValues = randomInt(100);
for (int i = 0; i < numValues; ++i) {
state.recordValue(randomDouble());
}
boolean keyed = false;
DocValueFormat format = DocValueFormat.RAW;
return new InternalHDRPercentileRanks(name, cdfValues, state, keyed, format, pipelineAggregators, metaData);
}
@Override
protected void assertReduced(InternalHDRPercentileRanks reduced, List<InternalHDRPercentileRanks> inputs) {
// it is hard to check the values due to the inaccuracy of the algorithm
long totalCount = 0;
for (InternalHDRPercentileRanks ranks : inputs) {
totalCount += ranks.state.getTotalCount();
}
assertEquals(totalCount, reduced.state.getTotalCount());
}
@Override
protected Reader<InternalHDRPercentileRanks> instanceReader() {
return InternalHDRPercentileRanks::new;
}
}