content: /*
   * 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.celeborn.client.compress;
  
  import java.nio.charset.StandardCharsets;
  
  import scala.Option;
  
  import org.apache.commons.lang3.RandomStringUtils;
  import org.junit.Assert;
  import org.junit.Test;
  
  import org.apache.celeborn.common.CelebornConf;
  
  public class CodecSuiteJ {
  
    @Test
    public void testLz4Codec() {
      int blockSize = new CelebornConf().clientPushBufferMaxSize();
      Lz4Compressor lz4Compressor = new Lz4Compressor(blockSize);
      byte[] data = RandomStringUtils.random(1024).getBytes(StandardCharsets.UTF_8);
      int oriLength = data.length;
      lz4Compressor.compress(data, 0, oriLength);
  
      Lz4Decompressor lz4Decompressor = new Lz4Decompressor(Option.empty());
      byte[] dst = new byte[oriLength];
      int decompressLength = lz4Decompressor.decompress(lz4Compressor.getCompressedBuffer(), dst, 0);
  
      Assert.assertNotEquals(-1, decompressLength);
      Assert.assertEquals(oriLength, decompressLength);
      Assert.assertArrayEquals(data, dst);
    }
  
    @Test
    public void testZstdCodec() {
      for (int level = -5; level <= 22; level++) {
        int blockSize = new CelebornConf().clientPushBufferMaxSize();
        ZstdCompressor zstdCompressor = new ZstdCompressor(blockSize, level);
        byte[] data = RandomStringUtils.random(1024).getBytes(StandardCharsets.UTF_8);
        int oriLength = data.length;
        zstdCompressor.compress(data, 0, oriLength);
  
        ZstdDecompressor zstdDecompressor = new ZstdDecompressor();
        byte[] dst = new byte[oriLength];
        int decompressLength =
            zstdDecompressor.decompress(zstdCompressor.getCompressedBuffer(), dst, 0);
  
        Assert.assertNotEquals(-1, decompressLength);
        Assert.assertEquals(oriLength, decompressLength);
        Assert.assertArrayEquals(data, dst);
      }
    }
  }
  