code: package com.beijunyi.parallelgit.utils;
  
  import java.io.IOException;
  
  import com.beijunyi.parallelgit.AbstractParallelGitTest;
  import org.eclipse.jgit.lib.ObjectId;
  import org.junit.Test;
  
  import static org.junit.Assert.assertArrayEquals;
  
  public class BlobUtilsInsertBlobTest extends AbstractParallelGitTest {
  
    @Test
    public void insertBlobIntoRepository_shouldBeAbleToRetrieveByteArrayByBlobId() throws IOException {
      initRepository();
  
      byte[] bytes = someBytes();
      ObjectId blob = BlobUtils.insertBlob(bytes, repo);
  
      assertArrayEquals(bytes, BlobUtils.readBlob(blob, repo).getData());
    }
  
  }
  