@Test
 public void testDataFromFileWithUTF8() throws Exception {
   final String specFilePath = "src/test/resources/hadoop_cluster_cn.json";
   try {
     ClusterCreate clusterSpec =
         CommandsUtils.getObjectByJsonString(
             ClusterCreate.class, CommandsUtils.dataFromFile(specFilePath));
     NodeGroupCreate[] nodeGroups = clusterSpec.getNodeGroups();
     assertEquals(nodeGroups.length, 3);
     assertEquals(nodeGroups[0].getName(), "主节点");
     assertEquals(nodeGroups[1].getName(), "协作节点");
     assertEquals(nodeGroups[2].getName(), "客户端");
   } catch (Exception ex) {
     System.out.println(ex.getMessage());
     assert (true);
   }
 }
 @Test
 public void testPrettyJsonOutputWithUTF8() throws Exception {
   final String specFilePath = "src/test/resources/hadoop_cluster_cn.json";
   final String exportFilePath = "src/test/resources/hadoop_cluster_cn_export.json";
   ClusterCreate clusterSpec =
       CommandsUtils.getObjectByJsonString(
           ClusterCreate.class, CommandsUtils.dataFromFile(specFilePath));
   CommandsUtils.prettyJsonOutput(clusterSpec, exportFilePath);
   File exportFile = new File(exportFilePath);
   assertTrue(exportFile.exists());
   ClusterCreate exportClusterSpec =
       CommandsUtils.getObjectByJsonString(
           ClusterCreate.class, CommandsUtils.dataFromFile(exportFilePath));
   NodeGroupCreate[] nodeGroups = exportClusterSpec.getNodeGroups();
   assertEquals(nodeGroups.length, 3);
   assertEquals(nodeGroups[0].getName(), "主节点");
   assertEquals(nodeGroups[1].getName(), "协作节点");
   assertEquals(nodeGroups[2].getName(), "客户端");
   exportFile.delete();
 }