code: def testModuleDownloadedWhenEmptyFolderExists(self):
      # Simulate the case when a module is cached in /tmp/module_dir but module
      # files inside the folder are deleted. In this case, the download should
      # still be conducted.
      module_dir = os.path.join(self.get_temp_dir(), "module")
  
      def fake_download_fn(handle, tmp_dir):
          del handle, tmp_dir
          tf.compat.v1.gfile.MakeDirs(module_dir)
          tf_utils.atomic_write_string_to_file(
              os.path.join(module_dir, "file"), "content", False
          )
  
      # Create an empty folder before downloading.
      self.assertFalse(tf.compat.v1.gfile.Exists(module_dir))
      tf.compat.v1.gfile.MakeDirs(module_dir)
  
      self.assertEqual(
          module_dir,
          resolver.atomic_download(
              "module", fake_download_fn, module_dir
          ),
      )
      self.assertEqual(
          tf.compat.v1.gfile.ListDirectory(module_dir), ["file"]
      )
      self.assertFalse(
          tf.compat.v1.gfile.Exists(resolver._lock_filename(module_dir))
      )
      parent_dir = os.path.abspath(os.path.join(module_dir, ".."))
      self.assertEqual(
          sorted(tf.compat.v1.gfile.ListDirectory(parent_dir)),
          ["module", "module.descriptor.txt"],
      )
      self.assertRegexpMatches(
          tf_utils.read_file_to_string(
              resolver._module_descriptor_file(module_dir)
          ),
          "Module: module\n"
          "Download Time: .*\n"
          "Downloader Hostname: %s .PID:%d."
          % (re.escape(socket.gethostname()), os.getpid()),
      )
  
imports: import os
  import re
  import socket
  import tempfile
  import threading
  import time
  import unittest
  from unittest import mock
  import uuid
  from absl import flags
  import tensorflow
  import tensorflow_hub
  from tensorflow_hub import compressed_module_resolver
  from tensorflow_hub import config
  from tensorflow_hub import registry
  from tensorflow_hub import resolver
  from tensorflow_hub import test_utils
  from tensorflow_hub import tf_utils
  from tensorflow_hub import uncompressed_module_resolver
label_desc: Use image node_id 10 for calling the CompressedResolverTest obj's underlying member method code with example usage: obj.testModuleDownloadedWhenEmptyFolderExists() without return types