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.carbondata.core.datastore.filesystem;
  
  import mockit.Mock;
  import mockit.MockUp;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.fs.FSDataInputStream;
  import org.apache.hadoop.fs.FSDataOutputStream;
  import org.apache.hadoop.fs.FSInputStream;
  import org.apache.hadoop.fs.FileStatus;
  import org.apache.hadoop.fs.FileSystem;
  import org.apache.hadoop.fs.LocalFileSystem;
  import org.apache.hadoop.fs.Options;
  import org.apache.hadoop.fs.Path;
  import org.apache.hadoop.fs.permission.FsPermission;
  import org.apache.hadoop.hdfs.DistributedFileSystem;
  import org.apache.hadoop.util.Progressable;
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.net.URI;
  import java.net.URISyntaxException;
  
  import static org.junit.Assert.assertArrayEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  public class AlluxioCarbonFileTest {
  
      private static AlluxioCarbonFile alluxioCarbonFile;
      private static FileStatus fileStatus;
      private static FileStatus fileStatusWithOutDirectoryPermission;
      private static String fileName;
      private static File file;
  
  
      @BeforeClass
      static public void setUp() {
          file = new File("Test.carbondata");
          if (!file.exists())
              try {
                  file.createNewFile();
              } catch (IOException e) {
                  e.printStackTrace();
              }
          try {
              FileOutputStream oFile = new FileOutputStream(file, true);
              oFile.close();
          } catch (FileNotFoundException e) {
              e.printStackTrace();
          } catch (IOException e) {
              e.printStackTrace();
          }
  
          fileStatus = new FileStatus(12L, true, 60, 120l, 180L, new Path(file.getAbsolutePath()));
          fileStatusWithOutDirectoryPermission = new FileStatus(12L, false, 60, 120l, 180L, new Path(file.getAbsolutePath()));
          fileName = file.getAbsolutePath();
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
      }
  
      @AfterClass
      static public void cleanUp() {
          file.delete();
      }
  
      @Test
      public void testRenameForceForException() throws IOException {
  
          new MockUp<Path>() {
              @Mock
              public FileSystem getFileSystem(Configuration conf) throws IOException {
                  return new DistributedFileSystem();
              }
  
          };
          new MockUp<DistributedFileSystem>() {
              @Mock
              public void rename(Path src, Path dst, final Options.Rename... options) throws IOException {
                  throw new IOException();
              }
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          alluxioCarbonFile.renameForce(fileName);
      }
  
      @Test
      public void testListFilesWithOutDirectoryPermission() {
          new MockUp<LocalFileSystem>() {
              @Mock
              public FileStatus[] listStatus(Path p) throws IOException {
                  return null;
              }
  
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatusWithOutDirectoryPermission);
          assertArrayEquals(alluxioCarbonFile.listFiles(), new CarbonFile[0]);
      }
  
      @Test
      public void testConstructorWithFilePath() {
          alluxioCarbonFile = new AlluxioCarbonFile(file.getAbsolutePath());
          assertTrue(alluxioCarbonFile instanceof AlluxioCarbonFile);
      }
  
      @Test
      public void testListFilesForNullListStatus() {
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatusWithOutDirectoryPermission);
          new MockUp<FileStatus>() {
              @Mock
              public Path getPath() {
                  return new Path(file.getAbsolutePath());
              }
  
          };
          new MockUp<Path>() {
              @Mock
              public FileSystem getFileSystem(Configuration conf) throws IOException {
                  return new DummyAlluxioFileSystem();
              }
  
          };
          new MockUp<DummyAlluxioFileSystem>() {
              @Mock
              public FileStatus[] listStatus(Path var1) throws IOException {
                  return null;
              }
  
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          assertTrue(alluxioCarbonFile.listFiles().length == 0);
      }
  
      @Test
      public void testListDirectory() {
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
  
          new MockUp<Path>() {
              @Mock
              public FileSystem getFileSystem(Configuration conf) throws IOException {
                  return new DummyAlluxioFileSystem();
              }
  
          };
          new MockUp<DummyAlluxioFileSystem>() {
              @Mock
              public FileStatus[] listStatus(Path var1) throws IOException {
  
                  return new FileStatus[]{new FileStatus(12L, true, 60, 120l, 180L, new Path(fileName))};
              }
  
          };
  
          assertTrue(alluxioCarbonFile.listFiles().length == 1);
      }
  
      @Test
      public void testListFilesForException() throws IOException {
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatusWithOutDirectoryPermission);
  
          new MockUp<FileStatus>() {
              @Mock
              public Path getPath() {
                  return new Path(file.getAbsolutePath());
              }
  
          };
          new MockUp<Path>() {
              @Mock
              public FileSystem getFileSystem(Configuration conf) throws IOException {
                  return new DistributedFileSystem();
              }
  
          };
          new MockUp<DistributedFileSystem>() {
              @Mock
              public FileStatus[] listStatus(Path var1) throws IOException {
  
                  throw new IOException();
              }
  
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          alluxioCarbonFile.listFiles();
      }
  
      @Test
      public void testListFilesWithCarbonFilter() {
          CarbonFileFilter carbonFileFilter = new CarbonFileFilter() {
              @Override
              public boolean accept(CarbonFile file) {
                  return true;
              }
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          assertTrue(alluxioCarbonFile.listFiles(carbonFileFilter).length == 1);
      }
  
      @Test
      public void testlistFilesWithoutFilter() {
          CarbonFileFilter carbonFileFilter = new CarbonFileFilter() {
  
              @Override
              public boolean accept(CarbonFile file) {
                  return false;
              }
          };
          new MockUp<Path>() {
              @Mock
              public FileSystem getFileSystem(Configuration conf) throws IOException {
                  return new DummyAlluxioFileSystem();
              }
          };
          new MockUp<DummyAlluxioFileSystem>() {
              @Mock
              public FileStatus[] listStatus(Path var1) throws IOException {
                  return new FileStatus[]{new FileStatus(12L, true, 60, 120l, 180L, new Path(fileName))};
              }
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          assertTrue(alluxioCarbonFile.listFiles(carbonFileFilter).length == 0);
      }
  
      @Test
      public void testGetParentFile() {
          new MockUp<FileStatus>() {
              @Mock
              public Path getPath() {
                  return new Path(file.getAbsolutePath());
              }
          };
          new MockUp<Path>() {
              @Mock
              public Path getParent() {
                  return new Path(file.getAbsolutePath()
                  );
              }
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          assertFalse(alluxioCarbonFile.getParentFile().equals(null));
      }
  
      //@Test
      public void testForNonDisributedSystem() {
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          new MockUp<FileStatus>() {
              @Mock
              public Path getPath() {
                  return new Path(file.getAbsolutePath());
              }
          };
          new MockUp<Path>() {
              @Mock
              public FileSystem getFileSystem(Configuration conf) throws IOException {
                  return fileStatus.getPath().getFileSystem(conf);
              }
          };
          new MockUp<FileSystem>() {
              @Mock
              public boolean delete(Path var1,boolean overwrite) throws IOException {
                  return getMockInstance().delete(var1,overwrite);
              }
          };
          new MockUp<FileSystem>() {
              @Mock
              public boolean rename(Path var1,Path changeToName) throws IOException {
                  return getMockInstance().rename(var1, changeToName);
              }
          };
          assertTrue(alluxioCarbonFile.renameForce(fileName));
      }
  
      //@Test
      public void testrenameForceForDisributedSystem() {
          new MockUp<FileStatus>() {
              @Mock
              public Path getPath() {
                  return new Path(file.getAbsolutePath());
              }
          };
          new MockUp<Path>() {
              @Mock
              public FileSystem getFileSystem(Configuration conf) throws IOException, URISyntaxException {
                  return new DummyAlluxioFileSystem();
              }
          };
          new MockUp<FileSystem>() {
              @Mock
              public boolean delete(Path var1,boolean overwrite) throws IOException {
                  return getMockInstance().delete(var1,overwrite);
              }
          };
          new MockUp<FileSystem>() {
              @Mock
              public FSDataOutputStream create(Path var1,boolean overwrite) throws IOException {
                  //return getMockInstance().create(var1,overwrite);
                  return new FSDataOutputStream(new OutputStream() {
                      @Override
                      public void write(int b) throws IOException {
  
                      }
                  }, null);
              }
          };
          new MockUp<FileSystem>() {
              @Mock
              public FSDataInputStream open(Path var1) throws IOException {
                  return new FSDataInputStream(new FSInputStream() {
                      @Override
                      public void seek(long l) throws IOException {
  
                      }
  
                      @Override
                      public long getPos() throws IOException {
                          return 0;
                      }
  
                      @Override
                      public boolean seekToNewSource(long l) throws IOException {
                          return false;
                      }
  
                      @Override
                      public int read() throws IOException {
                          return 0;
                      }
                  });
              }
          };
          new MockUp<FSDataInputStream>() {
              @Mock
              public void close() throws IOException {
                  getMockInstance().close();
              }
          };
          new MockUp<FSDataOutputStream>() {
              @Mock
              public void close() throws IOException {
                  getMockInstance().close();
              }
          };
          alluxioCarbonFile = new AlluxioCarbonFile(fileStatus);
          assertTrue(alluxioCarbonFile.renameForce(fileName));
      }
  
      class DummyAlluxioFileSystem extends FileSystem {
  
          @Override
          public URI getUri() {
              return null;
          }
  
          @Override
          public FSDataInputStream open(Path path, int i) throws IOException {
              return open(path,i);
          }
  
          @Override
          public FSDataOutputStream create(Path path, FsPermission fsPermission, boolean b, int i, short i1, long l, Progressable progressable) throws IOException {
              return null;
          }
  
          @Override
          public FSDataOutputStream append(Path path, int i, Progressable progressable) throws IOException {
              return null;
          }
  
          @Override
          public boolean rename(Path path, Path path1) throws IOException {
              return true;
          }
  
          @Override
          public boolean delete(Path path, boolean b) throws IOException {
              return true;
          }
  
          @Override
          public FileStatus[] listStatus(Path path) throws FileNotFoundException, IOException {
              return new FileStatus[0];
          }
  
          @Override
          public void setWorkingDirectory(Path path) {
  
          }
  
          @Override
          public Path getWorkingDirectory() {
              return null;
          }
  
          @Override
          public boolean mkdirs(Path path, FsPermission fsPermission) throws IOException {
              return false;
          }
  
          @Override
          public FileStatus getFileStatus(Path path) throws IOException {
              return null;
          }
      }
  }
  