class_docstr: Test SEVIRI L1b HDF4 from ICARE Reader.
class_docstr_tok: ["Test","SEVIRI","L1b","HDF4","from","ICARE","Reader","."]
docstr: Test loading all datasets from an area of interest file.
docstr_tok: ["Test","loading","all","datasets","from","an","area","of","interest","file","."]
code: def test_area_def_hires(self):
      """Test loading all datasets from an area of interest file."""
      r = load_reader(self.reader_configs)
      loadables = r.select_files_from_pathnames(
          [
              "GEO_L1B-MSG1_2004-12-29T12-15-00_G_HRV_V1-04.hdf",
          ]
      )
      r.create_filehandlers(loadables)
      ds = r.load(["HRV"])
      self.compare_areas(ds["HRV"])
      assert ds["HRV"].attrs["area"].proj_id == "msg_hires"
  
imports: import os
  import unittest
  from unittest import mock
  import dask.array
  import numpy
  import pytest
  from satpy.readers import load_reader
  from satpy.tests.reader_tests.test_hdf4_utils import FakeHDF4FileHandler
label_desc: Use image node_id 8 for calling the TestSEVIRIICAREReader obj's underlying member method code with example usage: obj.test_area_def_hires() without return types