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*
* 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.bucket;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.aggregations.InternalAggregation;
import org.elasticsearch.search.aggregations.bucket.global.Global;
import org.elasticsearch.search.aggregations.metrics.stats.Stats;
import org.elasticsearch.test.ESIntegTestCase;
import java.util.ArrayList;
import java.util.List;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.search.aggregations.AggregationBuilders.global;
import static org.elasticsearch.search.aggregations.AggregationBuilders.stats;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertSearchResponse;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.sameInstance;
import static org.hamcrest.core.IsNull.notNullValue;
@ESIntegTestCase.SuiteScopeTestCase
public class GlobalIT extends ESIntegTestCase {
static int numDocs;
@Override
public void setupSuiteScopeCluster() throws Exception {
createIndex("idx");
createIndex("idx2");
List<IndexRequestBuilder> builders = new ArrayList<>();
numDocs = randomIntBetween(3, 20);
for (int i = 0; i < numDocs / 2; i++) {
builders.add(client().prepareIndex("idx", "type", ""+i+1).setSource(jsonBuilder()
.startObject()
.field("value", i + 1)
.field("tag", "tag1")
.endObject()));
}
for (int i = numDocs / 2; i < numDocs; i++) {
builders.add(client().prepareIndex("idx", "type", ""+i+1).setSource(jsonBuilder()
.startObject()
.field("value", i + 1)
.field("tag", "tag2")
.field("name", "name" + i+1)
.endObject()));
}
indexRandom(true, builders);
ensureSearchable();
}
public void testWithStatsSubAggregator() throws Exception {
SearchResponse response = client().prepareSearch("idx")
.setQuery(QueryBuilders.termQuery("tag", "tag1"))
.addAggregation(global("global")
.subAggregation(stats("value_stats").field("value")))
.execute().actionGet();
assertSearchResponse(response);
Global global = response.getAggregations().get("global");
assertThat(global, notNullValue());
assertThat(global.getName(), equalTo("global"));
assertThat(global.getDocCount(), equalTo((long) numDocs));
assertThat((long) ((InternalAggregation)global).getProperty("_count"), equalTo((long) numDocs));
assertThat(global.getAggregations().asList().isEmpty(), is(false));
Stats stats = global.getAggregations().get("value_stats");
assertThat((Stats) ((InternalAggregation)global).getProperty("value_stats"), sameInstance(stats));
assertThat(stats, notNullValue());
assertThat(stats.getName(), equalTo("value_stats"));
long sum = 0;
for (int i = 0; i < numDocs; ++i) {
sum += i + 1;
}
assertThat(stats.getAvg(), equalTo((double) sum / numDocs));
assertThat(stats.getMin(), equalTo(1.0));
assertThat(stats.getMax(), equalTo((double) numDocs));
assertThat(stats.getCount(), equalTo((long) numDocs));
assertThat(stats.getSum(), equalTo((double) sum));
}
public void testNonTopLevel() throws Exception {
try {
client().prepareSearch("idx")
.setQuery(QueryBuilders.termQuery("tag", "tag1"))
.addAggregation(global("global")
.subAggregation(global("inner_global")))
.execute().actionGet();
fail("expected to fail executing non-top-level global aggregator. global aggregations are only allowed as top level" +
"aggregations");
} catch (ElasticsearchException e) {
assertThat(e.getMessage(), is("all shards failed"));
}
}
}