code: def testAbsPath(self):
      save_dir = self._get_test_dir("abs_paths")
      abs_path = os.path.join(save_dir, "model-0")
      ckpt = checkpoint_management.generate_checkpoint_state_proto(
          save_dir, abs_path
      )
      self.assertEqual(ckpt.model_checkpoint_path, abs_path)
      self.assertTrue(os.path.isabs(ckpt.model_checkpoint_path))
      self.assertEqual(len(ckpt.all_model_checkpoint_paths), 1)
      self.assertEqual(ckpt.all_model_checkpoint_paths[-1], abs_path)
  
imports: import contextlib
  import os
  import pathlib
  import shutil
  import tempfile
  from google.protobuf import text_format
  from tensorflow.core.protobuf import saver_pb2
  from tensorflow.python.checkpoint import checkpoint
  from tensorflow.python.checkpoint import checkpoint_management
  from tensorflow.python.eager import context
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.lib.io import file_io
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import gfile
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.training import saver
  from tensorflow.python.training.checkpoint_state_pb2 import CheckpointState
label_desc: Use image node_id 2 for calling the CheckpointStateTest obj's underlying member method code with example usage: obj.testAbsPath() without return types