class_docstr: Test VIIRS SDR Reader.
class_docstr_tok: ["Test","VIIRS","SDR","Reader","."]
docstr: Wrap HDF5 file handler with our own fake handler.
code: def setUp(self):
      """Wrap HDF5 file handler with our own fake handler."""
      from satpy._config import config_search_paths
      from satpy.readers.viirs_atms_sdr_base import JPSS_SDR_FileHandler
  
      self.reader_configs = config_search_paths(
          os.path.join("readers", self.yaml_file)
      )
      # http://stackoverflow.com/questions/12219967/how-to-mock-a-base-class-with-python-mock-library
      self.p = mock.patch.object(
          JPSS_SDR_FileHandler, "__bases__", (FakeHDF5FileHandler2,)
      )
      self.fake_handler = self.p.start()
      self.p.is_local = True
  
imports: import os
  import unittest
  from contextlib import contextmanager
  from unittest import mock
  import numpy
  import pytest
  from satpy.readers.viirs_atms_sdr_base import DATASET_KEYS
  from satpy.tests.reader_tests.test_hdf5_utils import FakeHDF5FileHandler
label_desc: Use image node_id 4 for calling the TestVIIRSSDRReader obj's underlying member method code with example usage: obj.setUp() without return types