content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.fuse.ufs;
  
  import static jnr.constants.platform.OpenFlags.O_WRONLY;
  
  import alluxio.client.file.options.FileSystemOptions;
  import alluxio.conf.Configuration;
  import alluxio.fuse.AlluxioFuseUtils;
  import alluxio.fuse.AlluxioJniFuseFileSystem;
  import alluxio.fuse.options.FuseOptions;
  import alluxio.jnifuse.struct.FileStat;
  import alluxio.util.io.BufferUtils;
  
  import org.junit.Assert;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.Optional;
  
  public abstract class AbstractFuseFileSystemTest extends AbstractTest {
    protected AlluxioJniFuseFileSystem mFuseFs;
    protected AlluxioFuseUtils.CloseableFuseFileInfo mFileInfo;
    protected FileStat mFileStat;
  
    @Override
    public void beforeActions() {
      mFuseFs = new AlluxioJniFuseFileSystem(mContext, mFileSystem,
          FuseOptions.create(Configuration.global(), FileSystemOptions.create(
              mContext.getClusterConf(), Optional.of(mUfsOptions)), false));
      mFileStat = FileStat.of(ByteBuffer.allocateDirect(256));
      mFileInfo = new AlluxioFuseUtils.CloseableFuseFileInfo();
    }
  
    @Override
    public void afterActions() throws IOException {
      BufferUtils.cleanDirectBuffer(mFileStat.getBuffer());
      mFileInfo.close();
    }
  
    protected void createEmptyFile(String path) {
      mFileInfo.get().flags.set(O_WRONLY.intValue());
      Assert.assertEquals(0, mFuseFs.create(path, DEFAULT_MODE.toShort(), mFileInfo.get()));
      Assert.assertEquals(0, mFuseFs.release(path, mFileInfo.get()));
    }
  
    protected void createFile(String path, int size) {
      mFileInfo.get().flags.set(O_WRONLY.intValue());
      Assert.assertEquals(0, mFuseFs.create(path, DEFAULT_MODE.toShort(), mFileInfo.get()));
      ByteBuffer buffer = BufferUtils.getIncreasingByteBuffer(size);
      Assert.assertEquals(size,
          mFuseFs.write(FILE, buffer, size, 0, mFileInfo.get()));
      Assert.assertEquals(0, mFuseFs.release(path, mFileInfo.get()));
    }
  }
  