/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.util;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Random;
  
  import ch.qos.logback.core.Context;
  import ch.qos.logback.core.ContextBase;
  import ch.qos.logback.core.testUtil.CoreTestConstants;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class FileUtilTest {
  
      Context context = new ContextBase();
      FileUtil fileUtil = new FileUtil(context);
      List<File> cleanupList = new ArrayList<File>();
      // test-output folder is not always clean
      int diff = new Random().nextInt(10000);
  
      @BeforeEach
      public void setUp() throws Exception {
  
      }
  
      @AfterEach
      public void tearDown() throws Exception {
          for (File f : cleanupList) {
              f.delete();
          }
      }
  
      @Test
      public void checkParentCreationInquiryAndSubsequentCreation() {
          File file = new File(CoreTestConstants.OUTPUT_DIR_PREFIX + "/fu" + diff + "/testing.txt");
          // these will be deleted later
          cleanupList.add(file);
          cleanupList.add(file.getParentFile());
  
          assertFalse(file.getParentFile().exists());
          assertTrue(FileUtil.createMissingParentDirectories(file));
          assertTrue(file.getParentFile().exists());
      }
  
      @Test
      public void checkDeeperParentCreationInquiryAndSubsequentCreation() {
  
          File file = new File(CoreTestConstants.OUTPUT_DIR_PREFIX + "/fu" + diff + "/bla/testing.txt");
          // these will be deleted later
          cleanupList.add(file);
          cleanupList.add(file.getParentFile());
          cleanupList.add(file.getParentFile().getParentFile());
  
          assertFalse(file.getParentFile().exists());
          assertTrue(FileUtil.createMissingParentDirectories(file));
          assertTrue(file.getParentFile().exists());
      }
  
      @Test
      public void basicCopyingWorks() throws IOException {
          String dir = CoreTestConstants.OUTPUT_DIR_PREFIX + "/fu" + diff;
  
          File dirFile = new File(dir);
          dirFile.mkdir();
  
          String src = CoreTestConstants.TEST_INPUT_PREFIX + "compress1.copy";
          String target = CoreTestConstants.OUTPUT_DIR_PREFIX + "/fu" + diff + "/copyingWorks.txt";
  
          fileUtil.copy(src, target);
          Compare.compare(src, target);
      }
  
      @Test
      public void createParentDirIgnoresExistingDir() {
          String target = CoreTestConstants.OUTPUT_DIR_PREFIX + "/fu" + diff + "/testing.txt";
          File file = new File(target);
          cleanupList.add(file);
          file.mkdirs();
          assertTrue(file.getParentFile().exists());
         assertTrue(FileUtil.createMissingParentDirectories(file));
     }
 
     @Test
     public void createParentDirAcceptsNoParentSpecified() {
         File file = new File("testing.txt");
         assertTrue(FileUtil.createMissingParentDirectories(file));
     }
 }