iotdb-core/tsfile/src/test/java/org/apache/iotdb/tsfile/read/TsFileRestorableReaderTest.java

/*
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 * distributed with this work for additional information
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 * 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,
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package org.apache.iotdb.tsfile.read;

import org.apache.iotdb.tsfile.common.conf.TSFileConfig;
import org.apache.iotdb.tsfile.fileSystem.FSFactoryProducer;
import org.apache.iotdb.tsfile.fileSystem.fsFactory.FSFactory;
import org.apache.iotdb.tsfile.utils.TsFileGeneratorForTest;

import org.junit.Test;

import java.io.File;
import java.io.IOException;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

public class TsFileRestorableReaderTest {

  private static final String FILE_PATH = TsFileGeneratorForTest.outputDataFile;
  private FSFactory fsFactory = FSFactoryProducer.getFSFactory();

  @Test
  public void testToReadDamagedFileAndRepair() throws IOException {
    File file = fsFactory.getFile(FILE_PATH);

    TsFileGeneratorForTest.writeFileWithOneIncompleteChunkHeader(file);

    TsFileSequenceReader reader = new TsFileRestorableReader(FILE_PATH, true);
    String tailMagic = reader.readTailMagic();
    reader.close();

    // Check if the file was repaired
    assertEquals(TSFileConfig.MAGIC_STRING, tailMagic);
    assertTrue(file.delete());
  }

  @Test
  public void testToReadDamagedFileNoRepair() throws IOException {
    File file = fsFactory.getFile(FILE_PATH);

    TsFileGeneratorForTest.writeFileWithOneIncompleteChunkHeader(file);
    // This should throw an Illegal Argument Exception
    TsFileSequenceReader reader = new TsFileRestorableReader(FILE_PATH, false);
    assertFalse(reader.isComplete());
  }
}