X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestMultiSearcherRanking.java?ds=sidebyside diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestMultiSearcherRanking.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestMultiSearcherRanking.java new file mode 100644 index 0000000..51a33f4 --- /dev/null +++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestMultiSearcherRanking.java @@ -0,0 +1,173 @@ +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.util.LuceneTestCase; +import org.apache.lucene.analysis.standard.StandardAnalyzer; +import org.apache.lucene.document.Document; +import org.apache.lucene.document.Field; +import org.apache.lucene.index.IndexWriter; +import org.apache.lucene.queryParser.ParseException; +import org.apache.lucene.queryParser.QueryParser; +import org.apache.lucene.store.Directory; +import java.io.IOException; + +/** + * Tests {@link MultiSearcher} ranking, i.e. makes sure this bug is fixed: + * http://issues.apache.org/bugzilla/show_bug.cgi?id=31841 + * + */ +public class TestMultiSearcherRanking extends LuceneTestCase { + + private final String FIELD_NAME = "body"; + private Searcher multiSearcher; + private Searcher singleSearcher; + + public void testOneTermQuery() throws IOException, ParseException { + checkQuery("three"); + } + + public void testTwoTermQuery() throws IOException, ParseException { + checkQuery("three foo"); + } + + public void testPrefixQuery() throws IOException, ParseException { + checkQuery("multi*"); + } + + public void testFuzzyQuery() throws IOException, ParseException { + checkQuery("multiThree~"); + } + + public void testRangeQuery() throws IOException, ParseException { + checkQuery("{multiA TO multiP}"); + } + + public void testMultiPhraseQuery() throws IOException, ParseException { + checkQuery("\"blueberry pi*\""); + } + + public void testNoMatchQuery() throws IOException, ParseException { + checkQuery("+three +nomatch"); + } + + /* + public void testTermRepeatedQuery() throws IOException, ParseException { + // TODO: this corner case yields different results. + checkQuery("multi* multi* foo"); + } + */ + + /** + * checks if a query yields the same result when executed on + * a single IndexSearcher containing all documents and on a + * MultiSearcher aggregating sub-searchers + * @param queryStr the query to check. + * @throws IOException + * @throws ParseException + */ + private void checkQuery(String queryStr) throws IOException, ParseException { + // check result hit ranking + if(VERBOSE) System.out.println("Query: " + queryStr); + QueryParser queryParser = new QueryParser(TEST_VERSION_CURRENT, FIELD_NAME, new StandardAnalyzer(TEST_VERSION_CURRENT)); + Query query = queryParser.parse(queryStr); + ScoreDoc[] multiSearcherHits = multiSearcher.search(query, null, 1000).scoreDocs; + ScoreDoc[] singleSearcherHits = singleSearcher.search(query, null, 1000).scoreDocs; + assertEquals(multiSearcherHits.length, singleSearcherHits.length); + for (int i = 0; i < multiSearcherHits.length; i++) { + Document docMulti = multiSearcher.doc(multiSearcherHits[i].doc); + Document docSingle = singleSearcher.doc(singleSearcherHits[i].doc); + if(VERBOSE) System.out.println("Multi: " + docMulti.get(FIELD_NAME) + " score=" + + multiSearcherHits[i].score); + if(VERBOSE) System.out.println("Single: " + docSingle.get(FIELD_NAME) + " score=" + + singleSearcherHits[i].score); + assertEquals(multiSearcherHits[i].score, singleSearcherHits[i].score, + 0.001f); + assertEquals(docMulti.get(FIELD_NAME), docSingle.get(FIELD_NAME)); + } + if(VERBOSE) System.out.println(); + } + + /** + * initializes multiSearcher and singleSearcher with the same document set + */ + @Override + public void setUp() throws Exception { + super.setUp(); + // create MultiSearcher from two seperate searchers + d1 = newDirectory(); + IndexWriter iw1 = new IndexWriter(d1, newIndexWriterConfig(TEST_VERSION_CURRENT, new StandardAnalyzer(TEST_VERSION_CURRENT)).setMergePolicy(newLogMergePolicy())); + addCollection1(iw1); + iw1.close(); + d2 = newDirectory(); + IndexWriter iw2 = new IndexWriter(d2, newIndexWriterConfig(TEST_VERSION_CURRENT, new StandardAnalyzer(TEST_VERSION_CURRENT)).setMergePolicy(newLogMergePolicy())); + addCollection2(iw2); + iw2.close(); + + Searchable[] s = new Searchable[2]; + s[0] = new IndexSearcher(d1, true); + s[1] = new IndexSearcher(d2, true); + multiSearcher = new MultiSearcher(s); + + // create IndexSearcher which contains all documents + d = newDirectory(); + IndexWriter iw = new IndexWriter(d, newIndexWriterConfig(TEST_VERSION_CURRENT, new StandardAnalyzer(TEST_VERSION_CURRENT)).setMergePolicy(newLogMergePolicy())); + addCollection1(iw); + addCollection2(iw); + iw.close(); + singleSearcher = new IndexSearcher(d, true); + } + + Directory d1, d2, d; + + @Override + public void tearDown() throws Exception { + multiSearcher.close(); + singleSearcher.close(); + d1.close(); + d2.close(); + d.close(); + super.tearDown(); + } + + private void addCollection1(IndexWriter iw) throws IOException { + add("one blah three", iw); + add("one foo three multiOne", iw); + add("one foobar three multiThree", iw); + add("blueberry pie", iw); + add("blueberry strudel", iw); + add("blueberry pizza", iw); + } + + private void addCollection2(IndexWriter iw) throws IOException { + add("two blah three", iw); + add("two foo xxx multiTwo", iw); + add("two foobar xxx multiThreee", iw); + add("blueberry chewing gum", iw); + add("bluebird pizza", iw); + add("bluebird foobar pizza", iw); + add("piccadilly circus", iw); + } + + private void add(String value, IndexWriter iw) throws IOException { + Document d = new Document(); + d.add(newField(FIELD_NAME, value, Field.Store.YES, Field.Index.ANALYZED)); + iw.addDocument(d); + } + +}