--- /dev/null
+package org.apache.lucene.search;
+
+/**
+ * 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.
+ */
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestBooleanScorer extends LuceneTestCase
+{
+ private static final String FIELD = "category";
+
+ public void testMethod() throws Exception {
+ Directory directory = newDirectory();
+
+ String[] values = new String[] { "1", "2", "3", "4" };
+
+ RandomIndexWriter writer = new RandomIndexWriter(random, directory);
+ for (int i = 0; i < values.length; i++) {
+ Document doc = new Document();
+ doc.add(newField(FIELD, values[i], Field.Store.YES, Field.Index.NOT_ANALYZED));
+ writer.addDocument(doc);
+ }
+ IndexReader ir = writer.getReader();
+ writer.close();
+
+ BooleanQuery booleanQuery1 = new BooleanQuery();
+ booleanQuery1.add(new TermQuery(new Term(FIELD, "1")), BooleanClause.Occur.SHOULD);
+ booleanQuery1.add(new TermQuery(new Term(FIELD, "2")), BooleanClause.Occur.SHOULD);
+
+ BooleanQuery query = new BooleanQuery();
+ query.add(booleanQuery1, BooleanClause.Occur.MUST);
+ query.add(new TermQuery(new Term(FIELD, "9")), BooleanClause.Occur.MUST_NOT);
+
+ IndexSearcher indexSearcher = newSearcher(ir);
+ ScoreDoc[] hits = indexSearcher.search(query, null, 1000).scoreDocs;
+ assertEquals("Number of matched documents", 2, hits.length);
+ indexSearcher.close();
+ ir.close();
+ directory.close();
+ }
+
+ public void testEmptyBucketWithMoreDocs() throws Exception {
+ // This test checks the logic of nextDoc() when all sub scorers have docs
+ // beyond the first bucket (for example). Currently, the code relies on the
+ // 'more' variable to work properly, and this test ensures that if the logic
+ // changes, we have a test to back it up.
+
+ Similarity sim = Similarity.getDefault();
+ Scorer[] scorers = new Scorer[] {new Scorer(sim) {
+ private int doc = -1;
+ @Override public float score() throws IOException { return 0; }
+ @Override public int docID() { return doc; }
+
+ @Override public int nextDoc() throws IOException {
+ return doc = doc == -1 ? 3000 : NO_MORE_DOCS;
+ }
+
+ @Override public int advance(int target) throws IOException {
+ return doc = target <= 3000 ? 3000 : NO_MORE_DOCS;
+ }
+
+ }};
+ BooleanScorer bs = new BooleanScorer(null, false, sim, 1, Arrays.asList(scorers), null, scorers.length);
+
+ final List<Integer> hits = new ArrayList<Integer>();
+ bs.score(new Collector() {
+ int docBase;
+ @Override
+ public void setScorer(Scorer scorer) {
+ }
+
+ @Override
+ public void collect(int doc) throws IOException {
+ hits.add(docBase+doc);
+ }
+
+ @Override
+ public void setNextReader(IndexReader reader, int docBase) {
+ this.docBase = docBase;
+ }
+
+ @Override
+ public boolean acceptsDocsOutOfOrder() {
+ return true;
+ }
+ });
+
+ assertEquals("should have only 1 hit", 1, hits.size());
+ assertEquals("hit should have been docID=3000", 3000, hits.get(0).intValue());
+ }
+
+ public void testMoreThan32ProhibitedClauses() throws Exception {
+ final Directory d = newDirectory();
+ final RandomIndexWriter w = new RandomIndexWriter(random, d);
+ Document doc = new Document();
+ doc.add(new Field("field", "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33", Field.Store.NO, Field.Index.ANALYZED));
+ w.addDocument(doc);
+ doc = new Document();
+ doc.add(new Field("field", "33", Field.Store.NO, Field.Index.ANALYZED));
+ w.addDocument(doc);
+ final IndexReader r = w.getReader();
+ w.close();
+ final IndexSearcher s = newSearcher(r);
+
+ final BooleanQuery q = new BooleanQuery();
+ for(int term=0;term<33;term++) {
+ q.add(new BooleanClause(new TermQuery(new Term("field", ""+term)),
+ BooleanClause.Occur.MUST_NOT));
+ }
+ q.add(new BooleanClause(new TermQuery(new Term("field", "33")),
+ BooleanClause.Occur.SHOULD));
+
+ final int[] count = new int[1];
+ s.search(q, new Collector() {
+ private Scorer scorer;
+
+ @Override
+ public void setScorer(Scorer scorer) {
+ // Make sure we got BooleanScorer:
+ this.scorer = scorer;
+ assertEquals("Scorer is implemented by wrong class", BooleanScorer.class.getName() + "$BucketScorer", scorer.getClass().getName());
+ }
+
+ @Override
+ public void collect(int doc) throws IOException {
+ count[0]++;
+ }
+
+ @Override
+ public void setNextReader(IndexReader reader, int docBase) {
+ }
+
+ @Override
+ public boolean acceptsDocsOutOfOrder() {
+ return true;
+ }
+ });
+
+ assertEquals(1, count[0]);
+
+ s.close();
+ r.close();
+ d.close();
+ }
+}
fnp / pylucene.git / blobdiff