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* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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package org.elasticsearch.search.aggregations.pipeline.bucketmetrics.percentile;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.metrics.percentiles.Percentile;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import org.elasticsearch.test.InternalAggregationTestCase;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import static org.elasticsearch.search.aggregations.metrics.percentiles.InternalPercentilesTestCase.randomPercents;
public class InternalPercentilesBucketTests extends InternalAggregationTestCase<InternalPercentilesBucket> {
@Override
protected InternalPercentilesBucket createTestInstance(String name, List<PipelineAggregator> pipelineAggregators,
Map<String, Object> metaData) {
return createTestInstance(name, pipelineAggregators, metaData, randomPercents());
}
private static InternalPercentilesBucket createTestInstance(String name, List<PipelineAggregator> pipelineAggregators,
Map<String, Object> metaData, double[] percents) {
DocValueFormat format = randomNumericDocValueFormat();
final double[] percentiles = new double[percents.length];
for (int i = 0; i < percents.length; ++i) {
percentiles[i] = frequently() ? randomDouble() : Double.NaN;
}
return new InternalPercentilesBucket(name, percents, percentiles, format, pipelineAggregators, metaData);
}
@Override
public void testReduceRandom() {
expectThrows(UnsupportedOperationException.class,
() -> createTestInstance("name", Collections.emptyList(), null).reduce(null, null));
}
@Override
protected void assertReduced(InternalPercentilesBucket reduced, List<InternalPercentilesBucket> inputs) {
// no test since reduce operation is unsupported
}
@Override
protected Writeable.Reader<InternalPercentilesBucket> instanceReader() {
return InternalPercentilesBucket::new;
}
/**
* check that we don't rely on the percent array order and that the iterator returns the values in the original order
*/
public void testPercentOrder() {
final double[] percents = new double[]{ 0.50, 0.25, 0.01, 0.99, 0.60 };
InternalPercentilesBucket aggregation = createTestInstance("test", Collections.emptyList(), Collections.emptyMap(), percents);
Iterator<Percentile> iterator = aggregation.iterator();
for (double percent : percents) {
assertTrue(iterator.hasNext());
Percentile percentile = iterator.next();
assertEquals(percent, percentile.getPercent(), 0.0d);
assertEquals(aggregation.percentile(percent), percentile.getValue(), 0.0d);
}
}
public void testErrorOnDifferentArgumentSize() {
final double[] percents = new double[]{ 0.1, 0.2, 0.3};
final double[] percentiles = new double[]{ 0.10, 0.2};
IllegalArgumentException e = expectThrows(IllegalArgumentException.class, () -> new InternalPercentilesBucket("test", percents,
percentiles, DocValueFormat.RAW, Collections.emptyList(), Collections.emptyMap()));
assertEquals("The number of provided percents and percentiles didn't match. percents: [0.1, 0.2, 0.3], percentiles: [0.1, 0.2]",
e.getMessage());
}
}