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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.index.reindex;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.index.mapper.IdFieldMapper;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import static java.util.Collections.emptyList;
import static org.elasticsearch.index.reindex.BulkByScrollParallelizationHelper.sliceIntoSubRequests;
import static org.elasticsearch.search.RandomSearchRequestGenerator.randomSearchRequest;
import static org.elasticsearch.search.RandomSearchRequestGenerator.randomSearchSourceBuilder;
public class BulkByScrollParallelizationHelperTests extends ESTestCase {
public void testSliceIntoSubRequests() throws IOException {
SearchRequest searchRequest = randomSearchRequest(() -> randomSearchSourceBuilder(
() -> null,
() -> null,
() -> null,
() -> emptyList(),
() -> null));
if (searchRequest.source() != null) {
// Clear the slice builder if there is one set. We can't call sliceIntoSubRequests if it is.
searchRequest.source().slice(null);
}
int times = between(2, 100);
String field = randomBoolean() ? IdFieldMapper.NAME : randomAlphaOfLength(5);
int currentSliceId = 0;
for (SearchRequest slice : sliceIntoSubRequests(searchRequest, field, times)) {
assertEquals(field, slice.source().slice().getField());
assertEquals(currentSliceId, slice.source().slice().getId());
assertEquals(times, slice.source().slice().getMax());
// If you clear the slice then the slice should be the same request as the parent request
slice.source().slice(null);
if (searchRequest.source() == null) {
// Except that adding the slice might have added an empty builder
searchRequest.source(new SearchSourceBuilder());
}
assertEquals(searchRequest, slice);
currentSliceId++;
}
}
}