package org.apache.lucene.codecs.compressing;
/*
* 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.
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import java.io.IOException;
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.Field.Store;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.document.IntField;
import org.apache.lucene.index.BaseStoredFieldsFormatTestCase;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.store.Directory;
import org.junit.Test;
import com.carrotsearch.randomizedtesting.annotations.Repeat;
import com.carrotsearch.randomizedtesting.generators.RandomInts;
@Repeat(iterations=5) // give it a chance to test various compression modes with different chunk sizes
public class TestCompressingStoredFieldsFormat extends BaseStoredFieldsFormatTestCase {
@Override
protected Codec getCodec() {
return CompressingCodec.randomInstance(random());
}
@Test(expected=IllegalArgumentException.class)
public void testDeletePartiallyWrittenFilesIfAbort() throws IOException {
Directory dir = newDirectory();
IndexWriterConfig iwConf = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
iwConf.setMaxBufferedDocs(RandomInts.randomIntBetween(random(), 2, 30));
iwConf.setCodec(CompressingCodec.randomInstance(random()));
// disable CFS because this test checks file names
iwConf.setMergePolicy(newLogMergePolicy(false));
iwConf.setUseCompoundFile(false);
// Cannot use RIW because this test wants CFS to stay off:
IndexWriter iw = new IndexWriter(dir, iwConf);
final Document validDoc = new Document();
validDoc.add(new IntField("id", 0, Store.YES));
iw.addDocument(validDoc);
iw.commit();
// make sure that #writeField will fail to trigger an abort
final Document invalidDoc = new Document();
FieldType fieldType = new FieldType();
fieldType.setStored(true);
invalidDoc.add(new Field("invalid", fieldType) {
@Override
public String stringValue() {
// TODO: really bad & scary that this causes IW to
// abort the segment!! We should fix this.
return null;
}
});
try {
iw.addDocument(invalidDoc);
iw.commit();
}
finally {
int counter = 0;
for (String fileName : dir.listAll()) {
if (fileName.endsWith(".fdt") || fileName.endsWith(".fdx")) {
counter++;
}
}
// Only one .fdt and one .fdx files must have been found
assertEquals(2, counter);
iw.close();
dir.close();
}
}
}