/*
    * 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.commons.compress.archivers;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.io.BufferedInputStream;
  import java.io.File;
  import java.io.InputStream;
  import java.nio.file.Files;
  import java.util.ArrayList;
  
  import org.apache.commons.compress.AbstractTest;
  import org.apache.commons.compress.archivers.dump.DumpArchiveInputStream;
  import org.junit.jupiter.api.Test;
  
  public final class DumpTest extends AbstractTest {
  
      private void archiveDetection(final File f) throws Exception {
          try (InputStream is = Files.newInputStream(f.toPath());
                  ArchiveInputStream<? extends ArchiveEntry> archiveInputStream = ArchiveStreamFactory.DEFAULT
                          .createArchiveInputStream(new BufferedInputStream(is))) {
              assertEquals(DumpArchiveInputStream.class, archiveInputStream.getClass());
          }
      }
  
      private void checkDumpArchive(final File f) throws Exception {
          final ArrayList<String> expected = new ArrayList<>();
          expected.add("");
          expected.add("lost+found/");
          expected.add("test1.xml");
          expected.add("test2.xml");
          try (InputStream is = Files.newInputStream(f.toPath());
                  DumpArchiveInputStream inputStream = new DumpArchiveInputStream(is);) {
              checkArchiveContent(inputStream, expected);
          }
      }
  
      @Test
      public void testArchiveDetection() throws Exception {
          archiveDetection(getFile("bla.dump"));
      }
  
      @Test
      public void testCheckArchive() throws Exception {
          checkDumpArchive(getFile("bla.dump"));
      }
  
      @Test
      public void testCheckCompressedArchive() throws Exception {
          checkDumpArchive(getFile("bla.z.dump"));
      }
  
      @Test
      public void testCompressedArchiveDetection() throws Exception {
          archiveDetection(getFile("bla.z.dump"));
      }
  
      @Test
      public void testCompressedDumpUnarchiveAll() throws Exception {
          unarchiveAll(getFile("bla.z.dump"));
      }
  
      @Test
      public void testDumpUnarchiveAll() throws Exception {
          unarchiveAll(getFile("bla.dump"));
      }
  
      private void unarchiveAll(final File input) throws Exception {
          try (InputStream is = Files.newInputStream(input.toPath());
                  ArchiveInputStream<?> in = ArchiveStreamFactory.DEFAULT.createArchiveInputStream("dump", is)) {
              ArchiveEntry entry = in.getNextEntry();
              while (entry != null) {
                  final File archiveEntry = newTempFile(entry.getName());
                  archiveEntry.getParentFile().mkdirs();
                  if (entry.isDirectory()) {
                      archiveEntry.mkdir();
                      entry = in.getNextEntry();
                      continue;
                  }
                  Files.copy(in, archiveEntry.toPath());
                  entry = in.getNextEntry();
              }
         }
     }
 }