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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.federation;
import com.yahoo.component.ComponentId;
import com.yahoo.component.chain.Chain;
import com.yahoo.prelude.IndexFacts;
import com.yahoo.prelude.IndexModel;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.Searcher;
import com.yahoo.search.federation.sourceref.SearchChainResolver;
import com.yahoo.search.searchchain.Execution;
import com.yahoo.search.searchchain.SearchChainRegistry;
import org.junit.jupiter.api.Test;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
/**
* Tests that sources representing document types which resolve to the same actual source
* are only included once.
*
* @author bratseth
*/
public class DuplicateSourceTestCase {
@Test
void testDuplicateSource() {
// Set up a single cluster and chain (chain1), containing a MockBackendSearcher and having 2 doc types (doc1, doc2)
MockBackendSearcher mockBackendSearcher = new MockBackendSearcher();
SearchChainRegistry searchChains = new SearchChainRegistry();
searchChains.register(new Chain<>("chain1", mockBackendSearcher));
Map<String, List<String>> clusters = new HashMap<>();
clusters.put("chain1", List.of("doc1", "doc2"));
IndexFacts indexFacts = new IndexFacts(new IndexModel(clusters, List.of()));
SearchChainResolver resolver = new SearchChainResolver.Builder()
.addSearchChain(new ComponentId("chain1"), List.of("doc1", "doc2"))
.build();
FederationSearcher searcher = new FederationSearcher(new ComponentId("test"), resolver);
Result result = searcher.search(new Query("?query=test&sources=doc1%2cdoc2"),
new Execution(Execution.Context.createContextStub(searchChains, indexFacts)));
assertNull(result.hits().getError());
assertEquals(1, mockBackendSearcher.getInvocationCount());
}
private static final class MockBackendSearcher extends Searcher {
private final AtomicInteger invocationCount = new AtomicInteger(0);
@Override
public Result search(Query query, Execution execution) {
invocationCount.incrementAndGet();
return new Result(query);
}
public int getInvocationCount() { return invocationCount.get(); }
}
}
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