docstr: testing no inplace change to the hashed item
docstr_tok: ["testing","no","inplace","change","to","the","hashed","item"]
code: def test_cache(self):
      """testing no inplace change to the hashed item"""
      for p in TEST_NDARRAYS[:2]:
          shape = (1, 10, 9, 8)
          items = [p(np.arange(0, np.prod(shape)).reshape(shape))]
  
          with tempfile.TemporaryDirectory() as tempdir:
              ds = GDSDataset(
                  data=items,
                  transform=_InplaceXform(),
                  cache_dir=tempdir,
                  device=0,
                  pickle_module="pickle",
                  pickle_protocol=pickle.HIGHEST_PROTOCOL,
              )
              assert_allclose(
                  items[0],
                  p(np.arange(0, np.prod(shape)).reshape(shape)),
              )
              ds1 = GDSDataset(
                  items,
                  transform=_InplaceXform(),
                  cache_dir=tempdir,
                  device=0,
              )
              assert_allclose(ds[0], ds1[0], type_test=False)
              assert_allclose(
                  items[0],
                  p(np.arange(0, np.prod(shape)).reshape(shape)),
              )
  
              ds = GDSDataset(
                  items,
                  transform=_InplaceXform(),
                  cache_dir=tempdir,
                  hash_transform=json_hashing,
                  device=0,
              )
              assert_allclose(
                  items[0],
                  p(np.arange(0, np.prod(shape)).reshape(shape)),
              )
              ds1 = GDSDataset(
                  items,
                  transform=_InplaceXform(),
                  cache_dir=tempdir,
                  hash_transform=json_hashing,
                  device=0,
              )
              assert_allclose(ds[0], ds1[0], type_test=False)
              assert_allclose(
                  items[0],
                  p(np.arange(0, np.prod(shape)).reshape(shape)),
              )
  
imports: from __future__ import annotations
  import os
  import pickle
  import tempfile
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.data import GDSDataset, json_hashing
  from monai.transforms import Compose, Flip, Identity, LoadImaged, SimulateDelayd, Transform
  from monai.utils import optional_import
  from tests.utils import TEST_NDARRAYS, assert_allclose
label_desc: Use image node_id 1 for calling the TestDataset obj's underlying member method code with example usage: obj.test_cache() without return types