#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2017 Satpy developers
#
# This file is part of satpy.
#
# satpy is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# satpy is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# satpy. If not, see <http://www.gnu.org/licenses/>.
"""EUMETSAT base reader tests package."""
import unittest
from datetime import datetime
import numpy as np
from satpy.readers.eum_base import (
get_service_mode,
recarray2dict,
time_cds,
time_cds_expanded,
time_cds_short,
timecds2datetime,
)
from satpy.readers.seviri_base import mpef_product_header
[docs]class TestMakeTimeCdsDictionary(unittest.TestCase):
"""Test TestMakeTimeCdsDictionary."""
[docs] def test_fun(self):
"""Test function for TestMakeTimeCdsDictionary."""
# time_cds_short
tcds = {'Days': 1, 'Milliseconds': 2}
expected = datetime(1958, 1, 2, 0, 0, 0, 2000)
self.assertEqual(timecds2datetime(tcds), expected)
# time_cds
tcds = {'Days': 1, 'Milliseconds': 2, 'Microseconds': 3}
expected = datetime(1958, 1, 2, 0, 0, 0, 2003)
self.assertEqual(timecds2datetime(tcds), expected)
# time_cds_expanded
tcds = {'Days': 1, 'Milliseconds': 2, 'Microseconds': 3, 'Nanoseconds': 4}
expected = datetime(1958, 1, 2, 0, 0, 0, 2003)
self.assertEqual(timecds2datetime(tcds), expected)
[docs]class TestMakeTimeCdsRecarray(unittest.TestCase):
"""Test TestMakeTimeCdsRecarray."""
[docs] def test_fun(self):
"""Test function for TestMakeTimeCdsRecarray."""
# time_cds_short
tcds = np.array([(1, 2)], dtype=np.dtype(time_cds_short))
expected = datetime(1958, 1, 2, 0, 0, 0, 2000)
self.assertEqual(timecds2datetime(tcds), expected)
# time_cds
tcds = np.array([(1, 2, 3)], dtype=np.dtype(time_cds))
expected = datetime(1958, 1, 2, 0, 0, 0, 2003)
self.assertEqual(timecds2datetime(tcds), expected)
# time_cds_expanded
tcds = np.array([(1, 2, 3, 4)], dtype=np.dtype(time_cds_expanded))
expected = datetime(1958, 1, 2, 0, 0, 0, 2003)
self.assertEqual(timecds2datetime(tcds), expected)
[docs]class TestRecarray2Dict(unittest.TestCase):
"""Test TestRecarray2Dict."""
[docs] def test_timestamps(self):
"""Test function for TestRecarray2Dict."""
# datatype definition
pat_dt = np.dtype([
('TrueRepeatCycleStart', time_cds_expanded),
('PlanForwardScanEnd', time_cds_expanded),
('PlannedRepeatCycleEnd', time_cds_expanded)
])
# planned acquisition time, add extra dimensions
# these should be removed by recarray2dict
pat = np.array([[[(
(21916, 41409544, 305, 262),
(21916, 42160340, 659, 856),
(21916, 42309417, 918, 443))]]], dtype=pat_dt)
expected = {
'TrueRepeatCycleStart': datetime(2018, 1, 2, 11, 30, 9, 544305),
'PlanForwardScanEnd': datetime(2018, 1, 2, 11, 42, 40, 340660),
'PlannedRepeatCycleEnd': datetime(2018, 1, 2, 11, 45, 9, 417918)
}
self.assertEqual(recarray2dict(pat), expected)
[docs]class TestGetServiceMode(unittest.TestCase):
"""Test the get_service_mode function."""
[docs] def test_get_seviri_service_mode_fes(self):
"""Test fetching of SEVIRI service mode information for FES."""
ssp_lon = 0.0
name = 'fes'
desc = 'Full Earth Scanning service'
res = get_service_mode('seviri', ssp_lon)
self.assertEqual(res['service_name'], name)
self.assertEqual(res['service_desc'], desc)
[docs] def test_get_seviri_service_mode_iodc_E0415(self):
"""Test fetching of SEVIRI service mode information for IODC at 41.5 degrees East."""
ssp_lon = 41.5
name = 'iodc'
desc = 'Indian Ocean Data Coverage service'
res = get_service_mode('seviri', ssp_lon)
self.assertEqual(res['service_name'], name)
self.assertEqual(res['service_desc'], desc)
[docs] def test_get_seviri_service_mode_iodc_E0455(self):
"""Test fetching of SEVIRI service mode information for IODC at 45.5 degrees East."""
ssp_lon = 45.5
name = 'iodc'
desc = 'Indian Ocean Data Coverage service'
res = get_service_mode('seviri', ssp_lon)
self.assertEqual(res['service_name'], name)
self.assertEqual(res['service_desc'], desc)
[docs] def test_get_fci_service_mode_fdss(self):
"""Test fetching of FCI service mode information for FDSS."""
ssp_lon = 0.0
name = 'fdss'
desc = 'Full Disk Scanning Service'
res = get_service_mode('fci', ssp_lon)
self.assertEqual(res['service_name'], name)
self.assertEqual(res['service_desc'], desc)
[docs] def test_get_unknown_lon_service_mode(self):
"""Test fetching of service mode information for unknown input longitude."""
ssp_lon = 13
name = 'unknown'
desc = 'unknown'
res = get_service_mode('fci', ssp_lon)
self.assertEqual(res['service_name'], name)
self.assertEqual(res['service_desc'], desc)
[docs] def test_get_unknown_instrument_service_mode(self):
"""Test fetching of service mode information for unknown input instrument."""
ssp_lon = 0
name = 'unknown'
desc = 'unknown'
res = get_service_mode('test', ssp_lon)
self.assertEqual(res['service_name'], name)
self.assertEqual(res['service_desc'], desc)