--- /dev/null
+package org.apache.lucene.facet.search;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.TermQuery;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.apache.lucene.facet.FacetTestBase;
+import org.apache.lucene.facet.search.FacetsAccumulator;
+import org.apache.lucene.facet.search.ScoredDocIDs;
+import org.apache.lucene.facet.search.ScoredDocIDsIterator;
+import org.apache.lucene.facet.search.ScoredDocIdCollector;
+import org.apache.lucene.facet.search.StandardFacetsAccumulator;
+import org.apache.lucene.facet.search.params.CountFacetRequest;
+import org.apache.lucene.facet.search.params.FacetSearchParams;
+import org.apache.lucene.facet.search.params.ScoreFacetRequest;
+import org.apache.lucene.facet.search.results.FacetResult;
+import org.apache.lucene.facet.search.results.FacetResultNode;
+import org.apache.lucene.facet.taxonomy.CategoryPath;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.
+ */
+
+/** Test ScoredDocIdCollector. */
+public class TestScoredDocIdCollector extends FacetTestBase {
+
+ @Override
+ @Before
+ public void setUp() throws Exception {
+ super.setUp();
+ initIndex();
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ closeAll();
+ super.tearDown();
+ }
+
+ @Test
+ public void testConstantScore() throws Exception {
+ // test that constant score works well
+
+ Query q = new TermQuery(new Term(CONTENT_FIELD, "white"));
+ if (VERBOSE) {
+ System.out.println("Query: " + q);
+ }
+ float constScore = 17.0f;
+ ScoredDocIdCollector dCollector = ScoredDocIdCollector.create(indexReader
+ .maxDoc(), false); // scoring is disabled
+ dCollector.setDefaultScore(constScore);
+ searcher.search(q, dCollector);
+
+ // verify by doc scores at the level of doc-id-iterator
+ ScoredDocIDs scoredDocIDs = dCollector.getScoredDocIDs();
+ assertEquals("Wrong number of matching documents!", 2, scoredDocIDs.size());
+ ScoredDocIDsIterator docItr = scoredDocIDs.iterator();
+ while (docItr.next()) {
+ assertEquals("Wrong score for doc " + docItr.getDocID(), constScore,
+ docItr.getScore(), Double.MIN_VALUE);
+ }
+
+ // verify by facet values
+ List<FacetResult> countRes = findFacets(scoredDocIDs, getFacetedSearchParams());
+ List<FacetResult> scoreRes = findFacets(scoredDocIDs, sumScoreSearchParams());
+
+ assertEquals("Wrong number of facet count results!", 1, countRes.size());
+ assertEquals("Wrong number of facet score results!", 1, scoreRes.size());
+
+ FacetResultNode parentCountRes = countRes.get(0).getFacetResultNode();
+ FacetResultNode parentScoreRes = scoreRes.get(0).getFacetResultNode();
+
+ assertEquals("Wrong number of top count aggregated categories!", 3,
+ parentCountRes.getNumSubResults());
+ assertEquals("Wrong number of top score aggregated categories!", 3,
+ parentScoreRes.getNumSubResults());
+
+ // rely on that facet value is computed as doc-score, and
+ // accordingly compare values of the two top-category results.
+
+ FacetResultNode[] countResNodes = resultNodesAsArray(parentCountRes);
+ FacetResultNode[] scoreResNodes = resultNodesAsArray(parentScoreRes);
+
+ for (int i = 0; i < scoreResNodes.length; i++) {
+ assertEquals("Ordinals differ!",
+ countResNodes[i].getOrdinal(), scoreResNodes[i].getOrdinal());
+ assertEquals("Wrong scores!",
+ constScore * countResNodes[i].getValue(),
+ scoreResNodes[i].getValue(),
+ Double.MIN_VALUE);
+ }
+ }
+
+ // compute facets with certain facet requests and docs
+ private List<FacetResult> findFacets(ScoredDocIDs sDocids,
+ FacetSearchParams facetSearchParams) throws IOException {
+ FacetsAccumulator fAccumulator = new StandardFacetsAccumulator(
+ facetSearchParams, indexReader, taxoReader);
+ List<FacetResult> res = fAccumulator.accumulate(sDocids);
+
+ // Results are ready, printing them...
+ int i = 0;
+ for (FacetResult facetResult : res) {
+ if (VERBOSE) {
+ System.out.println("Res " + (i++) + ": " + facetResult);
+ }
+ }
+
+ return res;
+ }
+
+ @Test
+ public void testOutOfOrderCollectionScoringEnabled() throws Exception {
+ assertFalse(
+ "when scoring enabled, out-of-order collection should not be supported",
+ ScoredDocIdCollector.create(1, true).acceptsDocsOutOfOrder());
+ }
+
+ @Test
+ public void testOutOfOrderCollectionScoringDisabled() throws Exception {
+ // This used to fail, because ScoredDocIdCollector.acceptDocsOutOfOrder
+ // returned true, even when scoring was enabled.
+ final int[] docs = new int[] { 1, 0, 2 }; // out of order on purpose
+
+ ScoredDocIdCollector sdic = ScoredDocIdCollector.create(docs.length, false);
+ assertTrue(
+ "when scoring disabled, out-of-order collection should be supported",
+ sdic.acceptsDocsOutOfOrder());
+ for (int i = 0; i < docs.length; i++) {
+ sdic.collect(docs[i]);
+ }
+
+ assertEquals("expected 3 documents but got " + sdic.getScoredDocIDs().size(), 3, sdic.getScoredDocIDs().size());
+ ScoredDocIDsIterator iter = sdic.getScoredDocIDs().iterator();
+ Arrays.sort(docs);
+ for (int i = 0; iter.next(); i++) {
+ assertEquals("expected doc " + docs[i], docs[i], iter.getDocID());
+ }
+ }
+
+ /* use a scoring aggregator */
+ private FacetSearchParams sumScoreSearchParams() {
+ // this will use default faceted indexing params, not altering anything about indexing
+ FacetSearchParams res = super.getFacetedSearchParams();
+ res.addFacetRequest(new ScoreFacetRequest(new CategoryPath("root", "a"), 10));
+ return res;
+ }
+
+ @Override
+ protected FacetSearchParams getFacetedSearchParams() {
+ FacetSearchParams res = super.getFacetedSearchParams();
+ res.addFacetRequest(new CountFacetRequest(new CategoryPath("root","a"), 10));
+ return res;
+ }
+
+}
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