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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# Copyright (c) 2017, 2018 Adam.Dybbroe |
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# Author(s): |
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# Adam.Dybbroe <[email protected]> |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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"""Unit testing the generic rsr hdf5 reader |
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""" |
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import sys |
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from pyspectral.rsr_reader import RelativeSpectralResponse |
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from pyspectral.utils import WAVE_NUMBER |
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from pyspectral.utils import WAVE_LENGTH |
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from pyspectral.utils import RSR_DATA_VERSION |
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from mock import patch |
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if sys.version_info < (2, 7): |
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import unittest2 as unittest |
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else: |
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import unittest |
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import numpy as np |
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TEST_RSR = {'20': {}, } |
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TEST_RSR['20']['det-1'] = {} |
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TEST_RSR['20']['det-1']['central_wavelength'] = 3.75 |
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TEST_RSR['20']['det-1']['wavelength'] = np.array([ |
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3.6123999, 3.6163599, 3.6264927, 3.6363862, 3.646468, |
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3.6564937, 3.6664478, 3.6765388, 3.6865413, 3.6964585, |
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3.7065142, 3.716509, 3.7264658, 3.7364102, 3.7463682, |
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3.7563652, 3.7664226, 3.7763396, 3.7863384, 3.7964207, |
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3.8063589, 3.8163606, 3.8264089, 3.8364836, 3.8463381, |
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3.8563975, 3.8664163, 3.8763755, 3.8864797, 3.8964978, |
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3.9064275, 3.9164873, 3.9264729, 3.9364026, 3.9465107, |
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3.9535347], dtype='float32') |
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TEST_RSR['20']['det-1']['response'] = np.array([ |
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0.01, 0.0118, 0.01987, 0.03226, 0.05028, 0.0849, |
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0.16645, 0.33792, 0.59106, 0.81815, 0.96077, 0.92855, |
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0.86008, 0.8661, 0.87697, 0.85412, 0.88922, 0.9541, |
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0.95687, 0.91037, 0.91058, 0.94256, 0.94719, 0.94808, |
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1., 0.92676, 0.67429, 0.44715, 0.27762, 0.14852, |
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0.07141, 0.04151, 0.02925, 0.02085, 0.01414, 0.01], dtype='float32') |
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TEST_RSR2 = {'20': {}, } |
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TEST_RSR2['20']['det-1'] = {} |
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TEST_RSR2['20']['det-1']['central_wavelength'] = 3.75 |
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TEST_RSR2['20']['det-1']['wavelength'] = TEST_RSR['20']['det-1']['wavelength'].copy() |
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TEST_RSR2['20']['det-1']['response'] = TEST_RSR['20']['det-1']['response'].copy() |
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RESULT_WVN_RSR = np.array([2529.38232422, 2533.8840332, 2540.390625, 2546.81494141, |
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2553.30859375, 2559.88378906, 2566.40722656, 2573.02270508, |
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2579.72949219, 2586.37451172, 2593.09375, 2599.87548828, |
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2606.55371094, 2613.41674805, 2620.29760742, 2627.18286133, |
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2634.06005859, 2641.07421875, 2648.06713867, 2655.03930664, |
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2662.14794922, 2669.25170898, 2676.36572266, 2683.50805664, |
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2690.69702148, 2697.95288086, 2705.29199219, 2712.56982422, |
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2719.94970703, 2727.43554688, 2734.8605957, 2742.37988281, |
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2749.9831543, 2757.48510742, 2765.21142578, 2768.24291992], dtype=np.float32) |
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DIR_PATH_ITEMS = ['test', 'path', 'to', 'rsr', 'data'] |
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TEST_CONFIG = {} |
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import os.path |
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TEST_RSR_DIR = os.path.join(*DIR_PATH_ITEMS) |
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TEST_CONFIG['rsr_dir'] = TEST_RSR_DIR |
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class TestRsrReader(unittest.TestCase): |
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"""Class for testing pyspectral.rsr_reader""" |
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def setUp(self): |
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"""Setup the test""" |
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pass |
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@patch('os.path.exists') |
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@patch('os.path.isfile') |
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@patch('pyspectral.rsr_reader.RelativeSpectralResponse.load') |
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@patch('pyspectral.rsr_reader.download_rsr') |
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@patch('pyspectral.rsr_reader.RelativeSpectralResponse._get_rsr_data_version') |
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def test_rsr_response(self, get_rsr_version, download_rsr, load, isfile, exists): |
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"""Test the RelativeSpectralResponse class initialisation""" |
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load.return_code = None |
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download_rsr.return_code = None |
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isfile.return_code = True |
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exists.return_code = True |
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get_rsr_version.return_code = RSR_DATA_VERSION |
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with patch('pyspectral.rsr_reader.get_config', return_value=TEST_CONFIG): |
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with self.assertRaises(AttributeError): |
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test_rsr = RelativeSpectralResponse('GOES-16') |
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test_rsr = RelativeSpectralResponse(instrument='ABI') |
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test_rsr = RelativeSpectralResponse('GOES-16', 'AbI') |
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self.assertEqual(test_rsr.platform_name, 'GOES-16') |
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self.assertEqual(test_rsr.instrument, 'abi') |
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test_rsr = RelativeSpectralResponse('GOES-16', 'ABI') |
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self.assertEqual(test_rsr.instrument, 'abi') |
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with patch('pyspectral.rsr_reader.get_config', return_value=TEST_CONFIG): |
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test_rsr = RelativeSpectralResponse('GOES-16', 'abi') |
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self.assertEqual(test_rsr.platform_name, 'GOES-16') |
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self.assertEqual(test_rsr.instrument, 'abi') |
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self.assertEqual( |
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test_rsr.filename, os.path.join(TEST_RSR_DIR, 'rsr_abi_GOES-16.h5')) |
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with patch('pyspectral.rsr_reader.get_config', return_value=TEST_CONFIG): |
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test_rsr = RelativeSpectralResponse( |
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filename=os.path.join(TEST_RSR_DIR, 'rsr_abi_GOES-16.h5')) |
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self.assertEqual( |
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test_rsr.filename, os.path.join(TEST_RSR_DIR, 'rsr_abi_GOES-16.h5')) |
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@patch('os.path.exists') |
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@patch('os.path.isfile') |
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@patch('pyspectral.rsr_reader.RelativeSpectralResponse.load') |
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@patch('pyspectral.rsr_reader.download_rsr') |
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@patch('pyspectral.rsr_reader.RelativeSpectralResponse._get_rsr_data_version') |
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def test_convert(self, get_rsr_version, download_rsr, load, isfile, exists): |
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"""Test the conversion method""" |
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load.return_code = None |
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download_rsr.return_code = None |
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isfile.return_code = True |
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exists.return_code = True |
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get_rsr_version.return_code = RSR_DATA_VERSION |
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with patch('pyspectral.rsr_reader.get_config', return_value=TEST_CONFIG): |
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test_rsr = RelativeSpectralResponse('EOS-Aqua', 'modis') |
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test_rsr.rsr = TEST_RSR |
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test_rsr.convert() |
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self.assertAlmostEqual(test_rsr.rsr['20']['det-1']['central_wavenumber'], 2647.397, 3) |
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self.assertTrue(np.allclose(test_rsr.rsr['20']['det-1'][WAVE_NUMBER], RESULT_WVN_RSR, 5)) |
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self.assertEqual(test_rsr._wavespace, WAVE_NUMBER) |
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with self.assertRaises(NotImplementedError): |
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test_rsr.convert() |
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@patch('os.path.exists') |
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@patch('os.path.isfile') |
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@patch('pyspectral.rsr_reader.RelativeSpectralResponse.load') |
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@patch('pyspectral.rsr_reader.download_rsr') |
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@patch('pyspectral.rsr_reader.RelativeSpectralResponse._get_rsr_data_version') |
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def test_integral(self, get_rsr_version, download_rsr, load, isfile, exists): |
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"""Test the calculation of the integral of the spectral responses""" |
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load.return_code = None |
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download_rsr.return_code = None |
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isfile.return_code = True |
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exists.return_code = True |
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get_rsr_version.return_code = RSR_DATA_VERSION |
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with patch('pyspectral.rsr_reader.get_config', return_value=TEST_CONFIG): |
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test_rsr = RelativeSpectralResponse('EOS-Aqua', 'modis') |
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test_rsr.rsr = TEST_RSR2 |
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res = test_rsr.integral('20') |
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self.assertAlmostEqual(res['det-1'], 0.185634, 6) |
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def tearDown(self): |
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"""Clean up""" |
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pass |
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def suite(): |
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"""The test suite for test_rsr_reader. |
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""" |
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loader = unittest.TestLoader() |
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mysuite = unittest.TestSuite() |
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mysuite.addTest(loader.loadTestsFromTestCase(TestRsrReader)) |
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return mysuite |
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pytroll /
pyspectral
