content: package com.taobao.arthas.boot;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.List;
  import java.util.TimeZone;
  import java.util.concurrent.TimeUnit;
  
  import org.junit.Assert;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.TemporaryFolder;
  
  public class DownloadUtilsTest {
      @Rule
      public TemporaryFolder rootFolder = new TemporaryFolder();
  
      @Test
      public void testReadReleaseVersion() {
          String releaseVersion = DownloadUtils.readLatestReleaseVersion();
          Assert.assertNotNull(releaseVersion);
          Assert.assertNotEquals("releaseVersion is empty", "", releaseVersion.trim());
          System.err.println(releaseVersion);
      }
  
      @Test
      public void testReadAllVersions() {
          List<String> versions = DownloadUtils.readRemoteVersions();
          Assert.assertEquals("", true, versions.contains("3.1.7"));
      }
  
      @Test
      public void testAliyunDownload() throws IOException {
          // fix travis-ci failed problem
          if (TimeUnit.MILLISECONDS.toHours(TimeZone.getDefault().getOffset(System.currentTimeMillis())) == 8) {
              String version = "3.3.7";
              File folder = rootFolder.newFolder();
              System.err.println(folder.getAbsolutePath());
              DownloadUtils.downArthasPackaging("aliyun", false, version, folder.getAbsolutePath());
  
              File as = new File(folder, version + File.separator + "arthas" + File.separator + "as.sh");
              Assert.assertTrue(as.exists());
          }
      }
  
      @Test
      public void testCenterDownload() throws IOException {
          String version = "3.1.7";
          File folder = rootFolder.newFolder();
          System.err.println(folder.getAbsolutePath());
          DownloadUtils.downArthasPackaging("center", false, version, folder.getAbsolutePath());
  
          File as = new File(folder, version + File.separator + "arthas" + File.separator + "as.sh");
          Assert.assertTrue(as.exists());
      }
  }
  