def prepare_area_defs(self, test_dict):
"""Prepare calculated and expected area definitions for equal checking."""
earth_model = test_dict['earth_model']
dataset_id = test_dict['dataset_id']
is_full_disk = test_dict['is_full_disk']
header = self.create_test_header(earth_model, dataset_id, is_full_disk)
trailer = self.create_test_trailer()
expected_area_def = test_dict['expected_area_def']
with mock.patch(
'satpy.readers.seviri_l1b_native.np.fromfile') as fromfile:
fromfile.return_value = header
with mock.patch('satpy.readers.seviri_l1b_native.recarray2dict'
) as recarray2dict:
recarray2dict.side_effect = (lambda x: x)
with mock.patch(
'satpy.readers.seviri_l1b_native.NativeMSGFileHandler._get_memmap'
) as _get_memmap:
_get_memmap.return_value = np.arange(3)
with mock.patch(
'satpy.readers.seviri_l1b_native.NativeMSGFileHandler._read_trailer'
):
fh = NativeMSGFileHandler(None, {}, None)
fh.header = header
fh.trailer = trailer
calc_area_def = fh.get_area_def(dataset_id)
return (calc_area_def, expected_area_def)
def prepare_is_roi(self, test_dict):
"""Prepare calculated and expected check for region of interest data for equal checking."""
earth_model = 2
dataset_id = make_dataid(name='VIS006')
is_full_disk = test_dict['is_full_disk']
is_rapid_scan = test_dict['is_rapid_scan']
header = self.create_test_header(earth_model, dataset_id, is_full_disk,
is_rapid_scan)
trailer = self.create_test_trailer(is_rapid_scan)
expected_is_roi = test_dict['is_roi']
with mock.patch(
'satpy.readers.seviri_l1b_native.np.fromfile') as fromfile:
fromfile.return_value = header
with mock.patch('satpy.readers.seviri_l1b_native.recarray2dict'
) as recarray2dict:
recarray2dict.side_effect = (lambda x: x)
with mock.patch(
'satpy.readers.seviri_l1b_native.NativeMSGFileHandler._get_memmap'
) as _get_memmap:
_get_memmap.return_value = np.arange(3)
with mock.patch(
'satpy.readers.seviri_l1b_native.NativeMSGFileHandler._read_trailer'
):
fh = NativeMSGFileHandler(None, {}, None)
fh.header = header
fh.trailer = trailer
calc_is_roi = fh.is_roi()
return (calc_is_roi, expected_is_roi)