X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestSearchAfter.java diff --git a/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestSearchAfter.java b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestSearchAfter.java new file mode 100644 index 0000000..ce3c885 --- /dev/null +++ b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestSearchAfter.java @@ -0,0 +1,99 @@ +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 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.English; +import org.apache.lucene.util.LuceneTestCase; +import org.apache.lucene.util._TestUtil; + +/** + * Tests IndexSearcher's searchAfter() method + */ +public class TestSearchAfter extends LuceneTestCase { + private Directory dir; + private IndexReader reader; + private IndexSearcher searcher; + + @Override + public void setUp() throws Exception { + super.setUp(); + dir = newDirectory(); + RandomIndexWriter iw = new RandomIndexWriter(random, dir); + int numDocs = atLeast(200); + for (int i = 0; i < numDocs; i++) { + Document document = new Document(); + document.add(newField("english", English.intToEnglish(i), Field.Index.ANALYZED)); + document.add(newField("oddeven", (i % 2 == 0) ? "even" : "odd", Field.Index.ANALYZED)); + iw.addDocument(document); + } + reader = iw.getReader(); + iw.close(); + searcher = newSearcher(reader); + } + + @Override + public void tearDown() throws Exception { + searcher.close(); + reader.close(); + dir.close(); + super.tearDown(); + } + + public void testQueries() throws Exception { + Filter odd = new QueryWrapperFilter(new TermQuery(new Term("oddeven", "odd"))); + assertQuery(new MatchAllDocsQuery(), null); + assertQuery(new TermQuery(new Term("english", "one")), null); + assertQuery(new MatchAllDocsQuery(), odd); + assertQuery(new TermQuery(new Term("english", "four")), odd); + BooleanQuery bq = new BooleanQuery(); + bq.add(new TermQuery(new Term("english", "one")), BooleanClause.Occur.SHOULD); + bq.add(new TermQuery(new Term("oddeven", "even")), BooleanClause.Occur.SHOULD); + assertQuery(bq, null); + } + + void assertQuery(Query query, Filter filter) throws Exception { + TopDocs all = searcher.search(query, filter, searcher.maxDoc()); + int pageSize = _TestUtil.nextInt(random, 1, searcher.maxDoc()*2); + int pageStart = 0; + ScoreDoc lastBottom = null; + while (pageStart < all.totalHits) { + TopDocs paged = searcher.searchAfter(lastBottom, query, filter, pageSize); + if (paged.scoreDocs.length == 0) { + break; + } + assertPage(pageStart, all, paged); + pageStart += paged.scoreDocs.length; + lastBottom = paged.scoreDocs[paged.scoreDocs.length - 1]; + } + assertEquals(all.scoreDocs.length, pageStart); + } + + static void assertPage(int pageStart, TopDocs all, TopDocs paged) { + assertEquals(all.totalHits, paged.totalHits); + for (int i = 0; i < paged.scoreDocs.length; i++) { + assertEquals(all.scoreDocs[pageStart + i].doc, paged.scoreDocs[i].doc); + assertEquals(all.scoreDocs[pageStart + i].score, paged.scoreDocs[i].score, 0f); + } + } +}