package org.apache.lucene.sandbox.queries;
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
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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.close();
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.close();
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.close();
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.close();
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.close();
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"));
}
}