| /* |
| * 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. |
| */ |
| package org.apache.lucene.document; |
| |
| import java.io.IOException; |
| |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.IndexWriterConfig; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.search.CheckHits; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.MatchAllDocsQuery; |
| import org.apache.lucene.search.Sort; |
| import org.apache.lucene.search.SortField; |
| import org.apache.lucene.search.TopDocs; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| |
| /* |
| * Test for sorting using a feature from a FeatureField. |
| * |
| * THE RULES: |
| * 1. keywords like 'abstract' and 'static' should not appear in this file. |
| * 2. each test method should be self-contained and understandable. |
| * 3. no test methods should share code with other test methods. |
| * 4. no testing of things unrelated to sorting. |
| * 5. no tracers. |
| * 6. keyword 'class' should appear only once in this file, here ---- |
| * | |
| * ----------------------------------------------------------- |
| * | |
| * \./ |
| */ |
| public class TestFeatureSort extends LuceneTestCase { |
| |
| public void testFeature() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriterConfig config = newIndexWriterConfig().setMergePolicy(newLogMergePolicy(random().nextBoolean())); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir, config); |
| Document doc = new Document(); |
| doc.add(new FeatureField("field", "name", 30.1F)); |
| doc.add(newStringField("value", "30.1", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 1.3F)); |
| doc.add(newStringField("value", "1.3", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 4.2F)); |
| doc.add(newStringField("value", "4.2", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(FeatureField.newFeatureSort("field", "name")); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits.value); |
| // numeric order |
| assertEquals("30.1", searcher.doc(td.scoreDocs[0].doc).get("value")); |
| assertEquals("4.2", searcher.doc(td.scoreDocs[1].doc).get("value")); |
| assertEquals("1.3", searcher.doc(td.scoreDocs[2].doc).get("value")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testFeatureMissing() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriterConfig config = newIndexWriterConfig().setMergePolicy(newLogMergePolicy(random().nextBoolean())); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir, config); |
| Document doc = new Document(); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 1.3F)); |
| doc.add(newStringField("value", "1.3", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 4.2F)); |
| doc.add(newStringField("value", "4.2", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(FeatureField.newFeatureSort("field", "name")); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits.value); |
| // null is treated as 0 |
| assertEquals("4.2", searcher.doc(td.scoreDocs[0].doc).get("value")); |
| assertEquals("1.3", searcher.doc(td.scoreDocs[1].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[2].doc).get("value")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testFeatureMissingFieldInSegment() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriterConfig config = newIndexWriterConfig().setMergePolicy(newLogMergePolicy(random().nextBoolean())); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir, config); |
| Document doc = new Document(); |
| writer.addDocument(doc); |
| writer.commit(); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 1.3F)); |
| doc.add(newStringField("value", "1.3", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 4.2F)); |
| doc.add(newStringField("value", "4.2", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(FeatureField.newFeatureSort("field", "name")); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits.value); |
| // null is treated as 0 |
| assertEquals("4.2", searcher.doc(td.scoreDocs[0].doc).get("value")); |
| assertEquals("1.3", searcher.doc(td.scoreDocs[1].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[2].doc).get("value")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testFeatureMissingFeatureNameInSegment() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriterConfig config = newIndexWriterConfig().setMergePolicy(newLogMergePolicy(random().nextBoolean())); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir, config); |
| Document doc = new Document(); |
| doc.add(new FeatureField("field", "different_name", 0.5F)); |
| writer.addDocument(doc); |
| writer.commit(); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 1.3F)); |
| doc.add(newStringField("value", "1.3", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 4.2F)); |
| doc.add(newStringField("value", "4.2", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(FeatureField.newFeatureSort("field", "name")); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits.value); |
| // null is treated as 0 |
| assertEquals("4.2", searcher.doc(td.scoreDocs[0].doc).get("value")); |
| assertEquals("1.3", searcher.doc(td.scoreDocs[1].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[2].doc).get("value")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testFeatureMultipleMissing() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriterConfig config = newIndexWriterConfig().setMergePolicy(newLogMergePolicy(random().nextBoolean())); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir, config); |
| Document doc = new Document(); |
| writer.addDocument(doc); |
| doc = new Document(); |
| writer.addDocument(doc); |
| doc = new Document(); |
| writer.addDocument(doc); |
| doc = new Document(); |
| writer.addDocument(doc); |
| doc = new Document(); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 1.3F)); |
| doc.add(newStringField("value", "1.3", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new FeatureField("field", "name", 4.2F)); |
| doc.add(newStringField("value", "4.2", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(FeatureField.newFeatureSort("field", "name")); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(7, td.totalHits.value); |
| // null is treated as 0 |
| assertEquals("4.2", searcher.doc(td.scoreDocs[0].doc).get("value")); |
| assertEquals("1.3", searcher.doc(td.scoreDocs[1].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[2].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[3].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[4].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[5].doc).get("value")); |
| assertNull(searcher.doc(td.scoreDocs[6].doc).get("value")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| // This duel gives compareBottom and compareTop some coverage |
| public void testDuelFloat() throws IOException { |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random(), dir); |
| int numDocs = atLeast(100); |
| for (int d = 0; d < numDocs; ++d) { |
| Document doc = new Document(); |
| if (random().nextBoolean()) { |
| float f; |
| do { |
| int freq = TestUtil.nextInt(random(), 1, FeatureField.MAX_FREQ); |
| f = FeatureField.decodeFeatureValue(freq); |
| } while (f < Float.MIN_NORMAL); |
| doc.add(new NumericDocValuesField("float", Float.floatToIntBits(f))); |
| doc.add(new FeatureField("feature", "foo", f)); |
| } |
| w.addDocument(doc); |
| } |
| |
| IndexReader r = w.getReader(); |
| w.close(); |
| IndexSearcher searcher = newSearcher(r); |
| |
| TopDocs topDocs = null; |
| TopDocs featureTopDocs = null; |
| do { |
| if (topDocs == null) { |
| topDocs = searcher.search(new MatchAllDocsQuery(), 10, |
| new Sort(new SortField("float", SortField.Type.FLOAT, true))); |
| featureTopDocs = searcher.search(new MatchAllDocsQuery(), 10, |
| new Sort(FeatureField.newFeatureSort("feature", "foo"))); |
| } else { |
| topDocs = searcher.searchAfter(topDocs.scoreDocs[topDocs.scoreDocs.length - 1], |
| new MatchAllDocsQuery(), 10, |
| new Sort(new SortField("float", SortField.Type.FLOAT, true))); |
| featureTopDocs = searcher.searchAfter(featureTopDocs.scoreDocs[featureTopDocs.scoreDocs.length - 1], |
| new MatchAllDocsQuery(), 10, |
| new Sort(FeatureField.newFeatureSort("feature", "foo"))); |
| } |
| |
| CheckHits.checkEqual(new MatchAllDocsQuery(), topDocs.scoreDocs, featureTopDocs.scoreDocs); |
| } while (topDocs.scoreDocs.length > 0); |
| |
| r.close(); |
| dir.close(); |
| } |
| } |