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.cassandra.sidecar.livemigration;
  
  import java.io.IOException;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.FileSystems;
  import java.nio.file.FileVisitResult;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.PathMatcher;
  import java.util.Collections;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.io.TempDir;
  
  import static org.assertj.core.api.Assertions.assertThatIOException;
  import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
  
  class MigrationFileVisitorTest
  {
      @TempDir
      Path tempDir;
  
      @Test
      public void testVisitFileFailedForExcludedDir() throws IOException
      {
          String homeDir = tempDir.toString();
          Path excludedDirPath = tempDir.resolve("test_dir");
          Files.createDirectories(excludedDirPath);
  
          Path excludedDir2Path = tempDir.resolve("test_dir2");
          Files.createDirectories(excludedDir2Path);
  
          PathMatcher pathMatcher = FileSystems.getDefault().getPathMatcher("glob:" + excludedDirPath);
          MigrationFileVisitor fileVisitor = new MigrationFileVisitor(homeDir,
                                                                      Collections.emptyList(),
                                                                      Collections.singletonList(pathMatcher));
  
          // It should continue if failed to visit an excluded directory
          assertThat(fileVisitor.visitFileFailed(excludedDirPath, new IOException())).isEqualTo(FileVisitResult.CONTINUE);
          assertThatIOException().isThrownBy(() -> fileVisitor.visitFileFailed(excludedDir2Path, new IOException()));
      }
  
  
      @Test
      public void testVisitFileFailedForFile() throws IOException
      {
          String homeDir = tempDir.toString();
          Path excludedFilePath = tempDir.resolve("test_file");
          Files.write(excludedFilePath, "test string".getBytes(StandardCharsets.UTF_8));
  
          Path excludedFile2Path = tempDir.resolve("test_file2");
          Files.write(excludedFile2Path, "test string".getBytes(StandardCharsets.UTF_8));
  
          PathMatcher pathMatcher = FileSystems.getDefault().getPathMatcher("glob:" + excludedFilePath);
          MigrationFileVisitor fileVisitor = new MigrationFileVisitor(homeDir,
                                                                      Collections.singletonList(pathMatcher),
                                                                      Collections.emptyList());
  
          // It should continue if failed to visit an excluded file
          assertThat(fileVisitor.visitFileFailed(excludedFilePath, new IOException()))
          .isEqualTo(FileVisitResult.CONTINUE);
  
          assertThatIOException().isThrownBy(() -> fileVisitor.visitFileFailed(excludedFile2Path, new IOException()));
      }
  }
  