package org.apache.lucene.codecs.pulsing;
/*
* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.File;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.Locale;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.codecs.Codec;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DocsEnum;
import org.apache.lucene.index.FieldInfo.IndexOptions;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.MultiFields;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.index.TermsEnum;
import org.apache.lucene.search.DocIdSetIterator;
import org.apache.lucene.store.BaseDirectoryWrapper;
import org.apache.lucene.store.MockDirectoryWrapper;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util._TestUtil;
/**
* Pulses 10k terms/docs,
* originally designed to find JRE bugs (https://issues.apache.org/jira/browse/LUCENE-3335)
*
* @lucene.experimental
*/
@LuceneTestCase.Nightly
public class Test10KPulsings extends LuceneTestCase {
public void test10kPulsed() throws Exception {
// we always run this test with pulsing codec.
Codec cp = _TestUtil.alwaysPostingsFormat(new Pulsing41PostingsFormat(1));
File f = _TestUtil.getTempDir("10kpulsed");
BaseDirectoryWrapper dir = newFSDirectory(f);
dir.setCheckIndexOnClose(false); // we do this ourselves explicitly
RandomIndexWriter iw = new RandomIndexWriter(random(), dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())).setCodec(cp));
Document document = new Document();
FieldType ft = new FieldType(TextField.TYPE_STORED);
switch(_TestUtil.nextInt(random(), 0, 2)) {
case 0: ft.setIndexOptions(IndexOptions.DOCS_ONLY); break;
case 1: ft.setIndexOptions(IndexOptions.DOCS_AND_FREQS); break;
default: ft.setIndexOptions(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS); break;
}
Field field = newField("field", "", ft);
document.add(field);
NumberFormat df = new DecimalFormat("00000", new DecimalFormatSymbols(Locale.ROOT));
for (int i = 0; i < 10050; i++) {
field.setStringValue(df.format(i));
iw.addDocument(document);
}
IndexReader ir = iw.getReader();
iw.close();
TermsEnum te = MultiFields.getTerms(ir, "field").iterator(null);
DocsEnum de = null;
for (int i = 0; i < 10050; i++) {
String expected = df.format(i);
assertEquals(expected, te.next().utf8ToString());
de = _TestUtil.docs(random(), te, null, de, DocsEnum.FLAG_NONE);
assertTrue(de.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertEquals(DocIdSetIterator.NO_MORE_DOCS, de.nextDoc());
}
ir.close();
_TestUtil.checkIndex(dir);
dir.close();
}
/** a variant, that uses pulsing, but uses a high TF to force pass thru to the underlying codec
*/
public void test10kNotPulsed() throws Exception {
// we always run this test with pulsing codec.
int freqCutoff = _TestUtil.nextInt(random(), 1, 10);
Codec cp = _TestUtil.alwaysPostingsFormat(new Pulsing41PostingsFormat(freqCutoff));
File f = _TestUtil.getTempDir("10knotpulsed");
BaseDirectoryWrapper dir = newFSDirectory(f);
dir.setCheckIndexOnClose(false); // we do this ourselves explicitly
RandomIndexWriter iw = new RandomIndexWriter(random(), dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())).setCodec(cp));
Document document = new Document();
FieldType ft = new FieldType(TextField.TYPE_STORED);
switch(_TestUtil.nextInt(random(), 0, 2)) {
case 0: ft.setIndexOptions(IndexOptions.DOCS_ONLY); break;
case 1: ft.setIndexOptions(IndexOptions.DOCS_AND_FREQS); break;
default: ft.setIndexOptions(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS); break;
}
Field field = newField("field", "", ft);
document.add(field);
NumberFormat df = new DecimalFormat("00000", new DecimalFormatSymbols(Locale.ROOT));
final int freq = freqCutoff + 1;
for (int i = 0; i < 10050; i++) {
StringBuilder sb = new StringBuilder();
for (int j = 0; j < freq; j++) {
sb.append(df.format(i));
sb.append(' '); // whitespace
}
field.setStringValue(sb.toString());
iw.addDocument(document);
}
IndexReader ir = iw.getReader();
iw.close();
TermsEnum te = MultiFields.getTerms(ir, "field").iterator(null);
DocsEnum de = null;
for (int i = 0; i < 10050; i++) {
String expected = df.format(i);
assertEquals(expected, te.next().utf8ToString());
de = _TestUtil.docs(random(), te, null, de, DocsEnum.FLAG_NONE);
assertTrue(de.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertEquals(DocIdSetIterator.NO_MORE_DOCS, de.nextDoc());
}
ir.close();
_TestUtil.checkIndex(dir);
dir.close();
}
}