| package org.apache.lucene.sandbox.queries; |
| |
| /* |
| * 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.MultiReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.MatchAllDocsQuery; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.Sort; |
| import org.apache.lucene.search.SortField; |
| import org.apache.lucene.search.TermQuery; |
| import org.apache.lucene.search.TopDocs; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| /** Simple tests for SortedSetSortField */ |
| public class TestSortedSetSortField extends LuceneTestCase { |
| |
| public void testForward() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(newStringField("value", "baz", Field.Store.NO)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("value", "foo", Field.Store.NO)); |
| doc.add(newStringField("value", "bar", Field.Store.NO)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.shutdown(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedSetSortField("value", false)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits); |
| // 'bar' comes before 'baz' |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testReverse() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(newStringField("value", "foo", Field.Store.NO)); |
| doc.add(newStringField("value", "bar", Field.Store.NO)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("value", "baz", Field.Store.NO)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| |
| IndexReader ir = writer.getReader(); |
| writer.shutdown(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedSetSortField("value", true)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits); |
| // 'bar' comes before 'baz' |
| assertEquals("2", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testMissingFirst() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(newStringField("value", "baz", Field.Store.NO)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("value", "foo", Field.Store.NO)); |
| doc.add(newStringField("value", "bar", Field.Store.NO)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("id", "3", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.shutdown(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| SortField sortField = new SortedSetSortField("value", false); |
| sortField.setMissingValue(SortField.STRING_FIRST); |
| Sort sort = new Sort(sortField); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits); |
| // 'bar' comes before 'baz' |
| // null comes first |
| assertEquals("3", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[2].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testMissingLast() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(newStringField("value", "baz", Field.Store.NO)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("value", "foo", Field.Store.NO)); |
| doc.add(newStringField("value", "bar", Field.Store.NO)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("id", "3", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.shutdown(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| SortField sortField = new SortedSetSortField("value", false); |
| sortField.setMissingValue(SortField.STRING_LAST); |
| Sort sort = new Sort(sortField); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits); |
| // 'bar' comes before 'baz' |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| // null comes last |
| assertEquals("3", searcher.doc(td.scoreDocs[2].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testSingleton() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(newStringField("value", "baz", Field.Store.NO)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("value", "bar", Field.Store.NO)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.shutdown(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedSetSortField("value", false)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits); |
| // 'bar' comes before 'baz' |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testEmptyIndex() throws Exception { |
| IndexSearcher empty = newSearcher(new MultiReader()); |
| Query query = new TermQuery(new Term("contents", "foo")); |
| |
| Sort sort = new Sort(); |
| sort.setSort(new SortedSetSortField("sortedset", false)); |
| TopDocs td = empty.search(query, null, 10, sort, true, true); |
| assertEquals(0, td.totalHits); |
| |
| // for an empty index, any selector should work |
| for (SortedSetSortField.Selector v : SortedSetSortField.Selector.values()) { |
| sort.setSort(new SortedSetSortField("sortedset", false, v)); |
| td = empty.search(query, null, 10, sort, true, true); |
| assertEquals(0, td.totalHits); |
| } |
| } |
| |
| public void testEquals() throws Exception { |
| SortField sf = new SortedSetSortField("a", false); |
| assertFalse(sf.equals(null)); |
| |
| assertEquals(sf, sf); |
| |
| SortField sf2 = new SortedSetSortField("a", false); |
| assertEquals(sf, sf2); |
| assertEquals(sf.hashCode(), sf2.hashCode()); |
| |
| assertFalse(sf.equals(new SortedSetSortField("a", true))); |
| assertFalse(sf.equals(new SortedSetSortField("b", false))); |
| assertFalse(sf.equals(new SortedSetSortField("a", false, SortedSetSortField.Selector.MAX))); |
| assertFalse(sf.equals("foo")); |
| } |
| } |