kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
153 wiersze
7.5 KiB
Python
153 wiersze
7.5 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) 2020,2021 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 unittest
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# Import targets to be tested
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from NanoVNASaver.Formatting import parse_frequency
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# TODO: should be tested against SITools.Value
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# RFTools.parseFrequency will hopefully go away in future
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# and be specialised by input field and device, like
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# parse_clamp_min=50000 for sweep input with
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# a nanovna version 1 attached ...
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# the hardware developer already announced a successor
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# which will have different limits
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class TestCases(unittest.TestCase):
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def test_basicSIUnits(self):
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# simple well-formed integers with correct SI units
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self.assertEqual(parse_frequency('123Hz'), 123)
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self.assertEqual(parse_frequency('123kHz'), 123000)
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self.assertEqual(parse_frequency('123456kHz'), 123456000)
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self.assertEqual(parse_frequency('123456Hz'), 123456)
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self.assertEqual(parse_frequency('123MHz'), 123000000)
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self.assertEqual(parse_frequency('123456MHz'), 123456000000)
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self.assertEqual(parse_frequency('123GHz'), 123000000000)
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self.assertEqual(parse_frequency('123456GHz'), 123456000000000)
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def test_commonMistakeKHz_vs_kHz(self):
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# some poorly formatted values that still work as expected
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self.assertEqual(parse_frequency('123kHz'), 123000)
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self.assertEqual(parse_frequency('123KHz'), 123000)
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def test_illegalInputValues(self):
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# poorly formatted inputs that are identified as illegal
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self.assertEqual(parse_frequency('Junk'), -1)
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self.assertEqual(parse_frequency('Garbage'), -1)
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self.assertEqual(parse_frequency('123.Junk'), -1)
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def test_missingDigitsAfterPeriod(self):
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# some poorly formatted values that still work as expected
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self.assertEqual(parse_frequency('123.'), 123)
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self.assertEqual(parse_frequency('123.Hz'), 123)
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self.assertEqual(parse_frequency('123.kHz'), 123000)
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self.assertEqual(parse_frequency('123.MHz'), 123000000)
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self.assertEqual(parse_frequency('123.GHz'), 123000000000)
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self.assertEqual(parse_frequency('123.KHz'), 123000)
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self.assertEqual(parse_frequency('123.mHz'), 123000000)
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self.assertEqual(parse_frequency('123.gHz'), 123000000000)
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def test_unusualSIUnits(self):
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#######################################################################
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# Current behavior: unusual SI values that are legal, but inappropriate
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# for this application provide unexpected outputs. This behavior is
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# based on the FULL set of SI prefixes defined in SITools (below).
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# PREFIXES = ("y", "z", "a", "f", "p", "n", "µ", "m",
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# "", "k", "M", "G", "T", "P", "E", "Z", "Y")
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#######################################################################
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self.assertEqual(parse_frequency('123EHz'), 123000000000000000000)
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self.assertEqual(parse_frequency('123PHz'), 123000000000000000)
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self.assertEqual(parse_frequency('123THz'), 123000000000000)
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self.assertEqual(parse_frequency('123YHz'), 123000000000000000000000000)
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self.assertEqual(parse_frequency('123ZHz'), 123000000000000000000000)
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self.assertEqual(parse_frequency('123aHz'), 0)
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self.assertEqual(parse_frequency('123fHz'), 0)
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self.assertEqual(parse_frequency('123nHz'), 0)
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self.assertEqual(parse_frequency('123pHz'), 0)
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self.assertEqual(parse_frequency('123yHz'), 0)
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self.assertEqual(parse_frequency('123zHz'), 0)
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#######################################################################
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# Recommend: Reducing the legal SI values defined in SITools (see
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# below). This makes it more likely that typos will result in a -1
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# failure code instead of being interpreted as an SI unit.
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# PREFIXES = ("", "k", "M", "G")
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#######################################################################
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'''
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self.assertEqual(parseFrequency('123EHz'), -1)
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self.assertEqual(parseFrequency('123PHz'), -1)
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self.assertEqual(parseFrequency('123THz'), -1)
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self.assertEqual(parseFrequency('123YHz'), -1)
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self.assertEqual(parseFrequency('123ZHz'), -1)
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self.assertEqual(parseFrequency('123aHz'), -1)
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self.assertEqual(parseFrequency('123fHz'), -1)
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self.assertEqual(parseFrequency('123mHz'), -1)
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self.assertEqual(parseFrequency('123nHz'), -1)
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self.assertEqual(parseFrequency('123pHz'), -1)
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self.assertEqual(parseFrequency('123yHz'), -1)
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self.assertEqual(parseFrequency('123zHz'), -1)
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'''
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def test_partialHzText(self):
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#######################################################################
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# The current behavior for accidentally missing the H in Hz, is a
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# detection of 'z' SI unit (zepto = 10^-21), which then rounded to 0.
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# After reduction of legal SI values in SITools, this would return
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# a -1 failure code instead.
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#######################################################################
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self.assertEqual(parse_frequency('123z'), 0)
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self.assertEqual(parse_frequency('123.z'), 0)
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self.assertEqual(parse_frequency('1.23z'), 0)
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'''
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self.assertEqual(parseFrequency('123z'), -1)
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self.assertEqual(parseFrequency('123.z'), -1)
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self.assertEqual(parseFrequency('1.23z'), -1)
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'''
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def test_basicExponentialNotation(self):
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# check basic exponential notation
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self.assertEqual(parse_frequency('123e3'), 123000)
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self.assertEqual(parse_frequency('123e6'), 123000000)
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self.assertEqual(parse_frequency('123e9'), 123000000000)
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self.assertEqual(parse_frequency('123e4'), 1230000)
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self.assertEqual(parse_frequency('123e12'), 123000000000000)
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self.assertEqual(parse_frequency('123e18'), 123000000000000000000)
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def test_negativeExponentialNotation(self):
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# negative exponential values resulting in N < 0, return 0
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self.assertEqual(parse_frequency('123e-3'), 0)
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self.assertEqual(parse_frequency('1234e-4'), 0)
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self.assertEqual(parse_frequency('12345e-5'), 0)
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self.assertEqual(parse_frequency('12345678e-8'), 0)
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# negative exponential values resulting in N > 0, return N
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self.assertEqual(parse_frequency('100000e-5'), 1)
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self.assertEqual(parse_frequency('100000e-4'), 10)
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self.assertEqual(parse_frequency('100000e-3'), 100)
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self.assertEqual(parse_frequency('100000e-2'), 1000)
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self.assertEqual(parse_frequency('100000e-1'), 10000)
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def test_multiplePeriods(self):
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# multiple periods are properly detected as bad
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self.assertEqual(parse_frequency('123..Hz'), -1)
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self.assertEqual(parse_frequency('123...Hz'), -1)
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self.assertEqual(parse_frequency('123....Hz'), -1)
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self.assertEqual(parse_frequency('1.23.Hz'), -1)
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