code: def testWithMultipleAssetsWithSameBasename(self):
      tmp_asset_dir = os.path.join(self.get_temp_dir(), "asset")
      file_a = os.path.join(tmp_asset_dir, "a", "hello.txt")
      file_b = os.path.join(tmp_asset_dir, "b", "hello.txt")
      tf.compat.v1.gfile.MakeDirs(os.path.dirname(file_a))
      tf.compat.v1.gfile.MakeDirs(os.path.dirname(file_b))
      _write_string_to_file(file_a, "hello A")
      _write_string_to_file(file_b, "hello B")
      with tf.Graph().as_default() as graph:
          asset_a = tf.constant(file_a, name="file_a")
          asset_b = tf.constant(file_b, name="file_b")
          graph.add_to_collection(
              tf.compat.v1.GraphKeys.ASSET_FILEPATHS, asset_a
          )
          graph.add_to_collection(
              tf.compat.v1.GraphKeys.ASSET_FILEPATHS, asset_b
          )
          saved_model_lib.add_signature(
              "default", {}, {"default": asset_a}
          )
  
      export_dir = os.path.join(self.get_temp_dir(), "exported")
      handler = saved_model_lib.SavedModelHandler()
      handler.add_graph_copy(graph)
      handler.export(export_dir)
      tf.compat.v1.gfile.DeleteRecursively(tmp_asset_dir)
  
      loaded_handler = saved_model_lib.load(export_dir)
      with _instantiate_meta_graph(loaded_handler).as_default():
          with tf.compat.v1.Session() as sess:
              self.assertEqual(
                  _read_file_to_string(sess.run("file_a:0")), "hello A"
              )
              self.assertEqual(
                  _read_file_to_string(sess.run("file_b:0")), "hello B"
              )
  
      self.assertCountEqual(
          ["hello.txt", "hello.txt0"],
          tf.compat.v1.gfile.ListDirectory(
              os.path.join(export_dir, "assets")
          ),
      )
  
imports: import copy
  import os
  from absl import logging
  import tensorflow
  from tensorflow_hub import saved_model_lib
  from tensorflow.core.protobuf import meta_graph_pb2
label_desc: Use image node_id 3 for calling the SavedModelLibTest obj's underlying member method code with example usage: obj.testWithMultipleAssetsWithSameBasename() without return types