def test_missing_requirements(self, *mocks):
"""Test warnings and exceptions in case of missing requirements."""
from satpy.readers import load_readers
# Filenames from a single scan
epi_pro_miss = [
'H-000-MSG4__-MSG4________-IR_108___-000006___-201809050900-__'
]
epi_miss = epi_pro_miss + [
'H-000-MSG4__-MSG4________-_________-PRO______-201809050900-__'
]
pro_miss = epi_pro_miss + [
'H-000-MSG4__-MSG4________-_________-EPI______-201809050900-__'
]
for filenames in [epi_miss, pro_miss, epi_pro_miss]:
self.assertRaises(ValueError,
load_readers,
reader='seviri_l1b_hrit',
filenames=filenames)
# Filenames from multiple scans
at_least_one_complete = [
# 09:00 scan is ok
'H-000-MSG4__-MSG4________-IR_108___-000006___-201809050900-__',
'H-000-MSG4__-MSG4________-_________-PRO______-201809050900-__',
'H-000-MSG4__-MSG4________-_________-EPI______-201809050900-__',
# 10:00 scan is incomplete
'H-000-MSG4__-MSG4________-IR_108___-000006___-201809051000-__',
]
try:
load_readers(filenames=at_least_one_complete,
reader='seviri_l1b_hrit')
except ValueError:
self.fail('If at least one set of filenames is complete, no '
'exception should be raised')
def test_almost_all_filtered(self):
"""Test behaviour if only one reader has datasets."""
from satpy.readers import load_readers
import datetime
filenames = {
'viirs_sdr': [
'SVI01_npp_d20120225_t1801245_e1802487_b01708_c20120226002130255476_noaa_ops.h5'
],
'abi_l1b': [
'OR_ABI-L1b-RadF-M3C01_G16_s20172631730408_e20172631741175_c20172631741218.nc'
],
}
filter_params = {
'start_time': datetime.datetime(2012, 2, 25),
'end_time': datetime.datetime(2012, 2, 26)
}
# viirs has data that matches the request, abi doesn't
readers = load_readers(
filenames=filenames,
reader_kwargs={'filter_parameters': filter_params})
self.assertIn('viirs_sdr', readers)
# abi_l1b reader was created, but no datasets available
self.assertIn('abi_l1b', readers)
self.assertEqual(len(list(readers['abi_l1b'].available_dataset_ids)),
0)
def test_filenames_only(self):
"""Test with filenames specified"""
from satpy.readers import load_readers
ri = load_readers(filenames=[
'SVI01_npp_d20120225_t1801245_e1802487_b01708_c20120226002130255476_noaa_ops.h5'
])
self.assertListEqual(list(ri.keys()), ['viirs_sdr'])
def test_filenames_only(self):
"""Test with filenames specified"""
from satpy.readers import load_readers
ri = load_readers(filenames=[
'SVI01_npp_d20120225_t1801245_e1802487_b01708_c20120226002130255476_noaa_ops.h5',
])
self.assertListEqual(list(ri.keys()), ['viirs_sdr'])
def test_no_args(self):
"""Test no args provided.
This should check the local directory which should have no files.
"""
from satpy.readers import load_readers
ri = load_readers()
self.assertDictEqual(ri, {})
def test_filenames_as_dict(self):
"""Test loading readers where filenames are organized by reader"""
from satpy.readers import load_readers
filenames = {
'viirs_sdr': ['SVI01_npp_d20120225_t1801245_e1802487_b01708_c20120226002130255476_noaa_ops.h5'],
}
ri = load_readers(filenames=filenames)
self.assertListEqual(list(ri.keys()), ['viirs_sdr'])
def test_filenames_as_dict(self):
"""Test loading readers where filenames are organized by reader"""
from satpy.readers import load_readers
filenames = {
'viirs_sdr': ['SVI01_npp_d20120225_t1801245_e1802487_b01708_c20120226002130255476_noaa_ops.h5'],
}
ri = load_readers(filenames=filenames)
self.assertListEqual(list(ri.keys()), ['viirs_sdr'])
def test_no_args(self):
"""Test no args provided.
This should check the local directory which should have no files.
"""
from satpy.readers import load_readers
ri = load_readers()
self.assertDictEqual(ri, {})
def create_reader_instances(self,
filenames=None,
reader=None,
reader_kwargs=None):
"""Find readers and return their instances."""
return load_readers(filenames=filenames,
reader=reader,
reader_kwargs=reader_kwargs,
ppp_config_dir=self.ppp_config_dir)
def test_filenames_as_dict_with_reader(self):
"""Test loading from a filenames dict with a single reader specified.
This can happen in the deprecated Scene behavior of passing a reader
and a base_dir.
"""
from satpy.readers import load_readers
filenames = {
'viirs_sdr': ['SVI01_npp_d20120225_t1801245_e1802487_b01708_c20120226002130255476_noaa_ops.h5'],
}
ri = load_readers(reader='viirs_sdr', filenames=filenames)
self.assertListEqual(list(ri.keys()), ['viirs_sdr'])
def test_empty_filenames_as_dict(self):
"""Test passing filenames as a dictionary with an empty list of filenames."""
# only one reader
from satpy.readers import load_readers
filenames = {
'viirs_sdr': [],
}
self.assertRaises(ValueError, load_readers, filenames=filenames)
# two readers, one is empty
filenames = {
'viirs_sdr': ['SVI01_npp_d20120225_t1801245_e1802487_b01708_c20120226002130255476_noaa_ops.h5'],
'viirs_l1b': [],
}
ri = load_readers(filenames)
self.assertListEqual(list(ri.keys()), ['viirs_sdr'])