--- /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.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.WhitespaceAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.MultiReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.queryParser.QueryParser;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestBooleanQuery extends LuceneTestCase {
+
+ public void testEquality() throws Exception {
+ BooleanQuery bq1 = new BooleanQuery();
+ bq1.add(new TermQuery(new Term("field", "value1")), BooleanClause.Occur.SHOULD);
+ bq1.add(new TermQuery(new Term("field", "value2")), BooleanClause.Occur.SHOULD);
+ BooleanQuery nested1 = new BooleanQuery();
+ nested1.add(new TermQuery(new Term("field", "nestedvalue1")), BooleanClause.Occur.SHOULD);
+ nested1.add(new TermQuery(new Term("field", "nestedvalue2")), BooleanClause.Occur.SHOULD);
+ bq1.add(nested1, BooleanClause.Occur.SHOULD);
+
+ BooleanQuery bq2 = new BooleanQuery();
+ bq2.add(new TermQuery(new Term("field", "value1")), BooleanClause.Occur.SHOULD);
+ bq2.add(new TermQuery(new Term("field", "value2")), BooleanClause.Occur.SHOULD);
+ BooleanQuery nested2 = new BooleanQuery();
+ nested2.add(new TermQuery(new Term("field", "nestedvalue1")), BooleanClause.Occur.SHOULD);
+ nested2.add(new TermQuery(new Term("field", "nestedvalue2")), BooleanClause.Occur.SHOULD);
+ bq2.add(nested2, BooleanClause.Occur.SHOULD);
+
+ assertEquals(bq1, bq2);
+ }
+
+ public void testException() {
+ try {
+ BooleanQuery.setMaxClauseCount(0);
+ fail();
+ } catch (IllegalArgumentException e) {
+ // okay
+ }
+ }
+
+ // LUCENE-1630
+ public void testNullOrSubScorer() throws Throwable {
+ Directory dir = newDirectory();
+ RandomIndexWriter w = new RandomIndexWriter(random, dir);
+ Document doc = new Document();
+ doc.add(newField("field", "a b c d", Field.Store.NO, Field.Index.ANALYZED));
+ w.addDocument(doc);
+
+ IndexReader r = w.getReader();
+ IndexSearcher s = newSearcher(r);
+ BooleanQuery q = new BooleanQuery();
+ q.add(new TermQuery(new Term("field", "a")), BooleanClause.Occur.SHOULD);
+
+ // LUCENE-2617: make sure that a term not in the index still contributes to the score via coord factor
+ float score = s.search(q, 10).getMaxScore();
+ Query subQuery = new TermQuery(new Term("field", "not_in_index"));
+ subQuery.setBoost(0);
+ q.add(subQuery, BooleanClause.Occur.SHOULD);
+ float score2 = s.search(q, 10).getMaxScore();
+ assertEquals(score*.5, score2, 1e-6);
+
+ // now test BooleanScorer2
+ subQuery = new TermQuery(new Term("field", "b"));
+ subQuery.setBoost(0);
+ q.add(subQuery, BooleanClause.Occur.MUST);
+ score2 = s.search(q, 10).getMaxScore();
+ assertEquals(score*(2.0/3), score2, 1e-6);
+
+ // PhraseQuery w/ no terms added returns a null scorer
+ PhraseQuery pq = new PhraseQuery();
+ q.add(pq, BooleanClause.Occur.SHOULD);
+ assertEquals(1, s.search(q, 10).totalHits);
+
+ // A required clause which returns null scorer should return null scorer to
+ // IndexSearcher.
+ q = new BooleanQuery();
+ pq = new PhraseQuery();
+ q.add(new TermQuery(new Term("field", "a")), BooleanClause.Occur.SHOULD);
+ q.add(pq, BooleanClause.Occur.MUST);
+ assertEquals(0, s.search(q, 10).totalHits);
+
+ DisjunctionMaxQuery dmq = new DisjunctionMaxQuery(1.0f);
+ dmq.add(new TermQuery(new Term("field", "a")));
+ dmq.add(pq);
+ assertEquals(1, s.search(dmq, 10).totalHits);
+
+ s.close();
+ r.close();
+ w.close();
+ dir.close();
+ }
+
+ public void testDeMorgan() throws Exception {
+ Directory dir1 = newDirectory();
+ RandomIndexWriter iw1 = new RandomIndexWriter(random, dir1);
+ Document doc1 = new Document();
+ doc1.add(newField("field", "foo bar", Field.Index.ANALYZED));
+ iw1.addDocument(doc1);
+ IndexReader reader1 = iw1.getReader();
+ iw1.close();
+
+ Directory dir2 = newDirectory();
+ RandomIndexWriter iw2 = new RandomIndexWriter(random, dir2);
+ Document doc2 = new Document();
+ doc2.add(newField("field", "foo baz", Field.Index.ANALYZED));
+ iw2.addDocument(doc2);
+ IndexReader reader2 = iw2.getReader();
+ iw2.close();
+
+ QueryParser qp = new QueryParser(TEST_VERSION_CURRENT, "field", new MockAnalyzer(random));
+ qp.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
+
+ MultiReader multireader = new MultiReader(reader1, reader2);
+ IndexSearcher searcher = newSearcher(multireader);
+ assertEquals(0, searcher.search(qp.parse("+foo -ba*"), 10).totalHits);
+ searcher.close();
+
+ final ExecutorService es = Executors.newCachedThreadPool();
+ searcher = new IndexSearcher(multireader, es);
+ if (VERBOSE)
+ System.out.println("rewritten form: " + searcher.rewrite(qp.parse("+foo -ba*")));
+ assertEquals(0, searcher.search(qp.parse("+foo -ba*"), 10).totalHits);
+ es.shutdown();
+ es.awaitTermination(1, TimeUnit.SECONDS);
+
+ multireader.close();
+ reader1.close();
+ reader2.close();
+ dir1.close();
+ dir2.close();
+ }
+}
fnp / pylucene.git / blobdiff