TestThriftParquetReaderWriter.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
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package parquet.thrift;

import java.io.IOException;
import java.util.Arrays;

import org.junit.Assert;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.junit.Test;

import parquet.hadoop.metadata.CompressionCodecName;

import com.twitter.data.proto.tutorial.thrift.AddressBook;
import com.twitter.data.proto.tutorial.thrift.Name;
import com.twitter.data.proto.tutorial.thrift.Person;
import com.twitter.data.proto.tutorial.thrift.PhoneNumber;

public class TestThriftParquetReaderWriter {

  @Test
  public void testWriteRead() throws IOException {
    Configuration configuration = new Configuration();
    Path f = new Path("target/test/TestThriftParquetReaderWriter");
    FileSystem fs = f.getFileSystem(configuration);
    if (fs.exists(f)) {
      fs.delete(f, true);
    }

    AddressBook original = new AddressBook(
        Arrays.asList(new Person(new Name("Bob", "Roberts"), 1, "bob@roberts.com", Arrays.asList(new PhoneNumber("5555555555"))))
        );

    { // write
      ThriftParquetWriter<AddressBook> thriftParquetWriter = new ThriftParquetWriter<AddressBook>(f, AddressBook.class, CompressionCodecName.UNCOMPRESSED);
      thriftParquetWriter.write(original);
      thriftParquetWriter.close();
    }

    { // read
      ThriftParquetReader<AddressBook> thriftParquetReader = new ThriftParquetReader<AddressBook>(f, AddressBook.class);
      AddressBook read = thriftParquetReader.read();
      Assert.assertEquals(original, read);
      thriftParquetReader.close();
    }

    { // read without providing a thrift class
      ThriftParquetReader<AddressBook> thriftParquetReader = new ThriftParquetReader<AddressBook>(f);
      AddressBook read = thriftParquetReader.read();
      Assert.assertEquals(original, read);
      thriftParquetReader.close();
    }
  }
}