kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
64 wiersze
2.4 KiB
Python
64 wiersze
2.4 KiB
Python
# NanoVNASaver
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#
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# A python program to view and export Touchstone data from a NanoVNA
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# Copyright (C) 2019, 2020 Rune B. Broberg
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# Copyright (C) 2020ff NanoVNA-Saver Authors
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#
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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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#
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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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#
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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 <https://www.gnu.org/licenses/>.
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import math
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import unittest
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import numpy as np
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# Import targets to be tested
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import NanoVNASaver.AnalyticTools as at
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SINEWAVE = [math.sin(x / 45 * math.pi) for x in range(360)]
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class AnalyticsTools(unittest.TestCase):
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def test_zero_crossings(self):
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self.assertEqual(at.zero_crossings(SINEWAVE),
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[45, 90, 135, 180, 225, 270, 315])
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self.assertEqual(at.zero_crossings([]), [])
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def test_maxima(self):
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self.assertEqual(at.maxima(SINEWAVE), [112, 202, 292])
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self.assertEqual(at.maxima(SINEWAVE, 0.9999), [])
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self.assertEqual(at.maxima(-np.array(SINEWAVE)), [67, 157, 247])
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def test_minima(self):
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self.assertEqual(at.minima(SINEWAVE), [67, 157, 247])
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self.assertEqual(at.minima(SINEWAVE, -0.9999), [])
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self.assertEqual(at.minima(-np.array(SINEWAVE)), [112, 202, 292])
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def test_take_from_idx(self):
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self.assertEqual(
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at.take_from_idx(SINEWAVE, 109, lambda i: i[1] > 0.9),
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[107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118])
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def test_center_from_idx(self):
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self.assertEqual(at.center_from_idx(SINEWAVE, 200), 22)
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self.assertEqual(at.center_from_idx(SINEWAVE, 200, .5), 202)
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def test_cut_off_left(self):
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self.assertEqual(at.cut_off_left(SINEWAVE, 210, 1, 0.4), 189)
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def test_cut_off_right(self):
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self.assertEqual(at.cut_off_right(SINEWAVE, 210, 1, 0.4), 216)
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def test_dip_cut_offs(self):
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self.assertEqual(at.dip_cut_offs(SINEWAVE, .8, .9), (47, 358))
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self.assertEqual(at.dip_cut_offs(SINEWAVE[:90], .8, .9), (47, 88))
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