content: /*
   * Copyright 1999-2022 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.nacos.sys.utils;
  
  import org.apache.commons.io.FileUtils;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.util.zip.CRC32;
  import java.util.zip.Checksum;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * Modified by sofa jraft ZipTest.
   */
  class DiskUtilsZipTest {
      
      private static File sourceDir;
      
      @BeforeAll
      static void setup() throws IOException {
          sourceDir = new File("zip_test");
          if (sourceDir.exists()) {
              FileUtils.forceDelete(sourceDir);
          }
          FileUtils.forceMkdir(sourceDir);
          final File f1 = Paths.get(sourceDir.getAbsolutePath(), "f1").toFile();
          DiskUtils.writeFile(f1, "f1".getBytes(), false);
          final File d1 = Paths.get(sourceDir.getAbsolutePath(), "d1").toFile();
          FileUtils.forceMkdir(d1);
          final File f11 = Paths.get(d1.getAbsolutePath(), "f11").toFile();
          DiskUtils.writeFile(f11, "f11".getBytes(), false);
          
          final File d2 = Paths.get(d1.getAbsolutePath(), "d2").toFile();
          FileUtils.forceMkdir(d2);
          
          final File d3 = Paths.get(d2.getAbsolutePath(), "d3").toFile();
          FileUtils.forceMkdir(d3);
          
          final File f31 = Paths.get(d3.getAbsolutePath(), "f31").toFile();
          DiskUtils.writeFile(f31, "f32".getBytes(), false);
      }
      
      @AfterAll
      static void tearDown() throws IOException {
          FileUtils.forceDelete(sourceDir);
      }
      
      @Test
      public void testCompressAndDecompress() throws IOException {
          final String rootPath = sourceDir.toPath().toAbsolutePath().getParent().toString();
          Path path = Paths.get(rootPath, "test.zip");
          try {
              final Checksum c1 = new CRC32();
              DiskUtils.compress(rootPath, "zip_test", path.toString(), c1);
              
              final Checksum c2 = new CRC32();
              DiskUtils.decompress(path.toString(), rootPath, c2);
              
              assertEquals(c1.getValue(), c2.getValue());
          } finally {
              FileUtils.forceDelete(path.toFile());
          }
      }
      
      @Test
      public void testCompressAndDecompressWithStream() throws IOException {
          final String rootPath = sourceDir.toPath().toAbsolutePath().getParent().toString();
          Path path = Paths.get(rootPath, "test.zip");
          try (InputStream inputStream = new ByteArrayInputStream("test".getBytes())) {
              DiskUtils.compressIntoZipFile("test", inputStream, path.toString(), new CRC32());
              DiskUtils.compressIntoZipFile("../test", inputStream, path.toString(), new CRC32());
              byte[] actual = DiskUtils.decompress(path.toString(), new CRC32());
              assertEquals("test", new String(actual));
          } finally {
              FileUtils.forceDelete(path.toFile());
          }
      }
  }
  