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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* 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,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.query.support;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.innerhits.InnerHitsBuilder;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
public class QueryInnerHitsTests extends ESTestCase {
public void testSerialize() throws IOException {
copyAndAssert(new QueryInnerHits());
copyAndAssert(new QueryInnerHits("foo", new InnerHitsBuilder.InnerHit()));
copyAndAssert(new QueryInnerHits("foo", null));
copyAndAssert(new QueryInnerHits("foo", new InnerHitsBuilder.InnerHit().setSize(randomIntBetween(0, 100))));
}
public void testToXContent() throws IOException {
assertJson("{\"inner_hits\":{}}", new QueryInnerHits());
assertJson("{\"inner_hits\":{\"name\":\"foo\"}}", new QueryInnerHits("foo", new InnerHitsBuilder.InnerHit()));
assertJson("{\"inner_hits\":{\"name\":\"bar\"}}", new QueryInnerHits("bar", null));
assertJson("{\"inner_hits\":{\"name\":\"foo\",\"size\":42}}", new QueryInnerHits("foo", new InnerHitsBuilder.InnerHit().setSize(42)));
assertJson("{\"inner_hits\":{\"name\":\"boom\",\"from\":66,\"size\":666}}", new QueryInnerHits("boom", new InnerHitsBuilder.InnerHit().setFrom(66).setSize(666)));
}
private void assertJson(String expected, QueryInnerHits hits) throws IOException {
QueryInnerHits queryInnerHits = copyAndAssert(hits);
String actual;
if (randomBoolean()) {
actual = oneLineJSON(queryInnerHits);
} else {
actual = oneLineJSON(hits);
}
assertEquals(expected, actual);
XContentParser parser = hits.getXcontentParser();
assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
QueryInnerHits other = copyAndAssert(new QueryInnerHits(parser));
assertEquals(expected, oneLineJSON(other));
}
public QueryInnerHits copyAndAssert(QueryInnerHits hits) throws IOException {
BytesStreamOutput out = new BytesStreamOutput();
hits.writeTo(out);
QueryInnerHits copy = randomBoolean() ? hits.readFrom(StreamInput.wrap(out.bytes())) : new QueryInnerHits(StreamInput.wrap(out.bytes()));
assertEquals(copy.toString() + " vs. " + hits.toString(), copy, hits);
return copy;
}
private String oneLineJSON(QueryInnerHits hits) throws IOException {
XContentBuilder builder = XContentFactory.jsonBuilder();
builder.startObject();
hits.toXContent(builder, ToXContent.EMPTY_PARAMS);
builder.endObject();
return builder.string().trim();
}
}
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