self.assertAllInSet(
        list(original_signature_map.keys()), set(signatures.keys())
    )
    self.assertDictEqual(original_signature_map, converted_signature_map)

  def test_duplicated_tensor_name(self):
    with session.Session(graph=ops.Graph()) as sess:
      input_tensor = array_ops.placeholder(
          dtypes.float32, shape=[], name='input'
      )