class_docstr: Test ATMS SDR Reader.
class_docstr_tok: ["Test","ATMS","SDR","Reader","."]
docstr: Test basic init with no extra parameters.
docstr_tok: ["Test","basic","init","with","no","extra","parameters","."]
code: def test_init(self):
      """Test basic init with no extra parameters."""
      from satpy.readers import load_reader
  
      r = load_reader(self.reader_configs)
      loadables = r.select_files_from_pathnames(
          [
              "/path/to/atms/sdr/data/SATMS_j01_d20221220_t0910240_e0921356_b26361_c20221220100456348770_cspp_dev.h5",
          ]
      )
      assert len(loadables) == 1
      r.create_filehandlers(loadables)
      # make sure we have some files
      assert r.file_handlers
  
imports: import os
  from datetime import datetime
  from unittest import mock
  import numpy
  import pytest
  from satpy._config import config_search_paths
  from satpy.readers import load_reader
  from satpy.readers.atms_sdr_hdf5 import ATMS_CHANNEL_NAMES
  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 TestATMS_SDR_Reader obj's underlying member method code with example usage: obj.test_init() without return types