class_docstr: Test VISSR file handler.
class_docstr_tok: ["Test","VISSR","file","handler","."]
docstr: Get VISSR image parameters.
docstr_tok: ["Get","VISSR","image","parameters","."]
code: def image_parameters(self, mode_block, cal_params, nav_params):
      """Get VISSR image parameters."""
      image_params = {"mode": mode_block}
      image_params.update(cal_params)
      image_params.update(nav_params)
      return image_params
  
imports: import datetime
  import gzip
  import fsspec
  import numpy
  import pytest
  import xarray
  from pyresample.geometry import AreaDefinition
  import satpy.tests.reader_tests.gms.test_gms5_vissr_data
  from satpy.readers import FSFile
  from satpy.tests.reader_tests.utils import get_jit_methods, skip_numba_unstable_if_missing
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 9 for calling the TestFileHandler obj's underlying member method code with example usage: obj.image_parameters(mode_block, cal_params, nav_params) and returns: image_params