ref: c43ebefdc2817594fd65ee2899b5fb58699e5a1b
dir: /python/tests/test_note2midi.py/
#! /usr/bin/env python # -*- coding: utf-8 -*- from __future__ import unicode_literals from aubio import note2midi, freq2note, note2freq, float_type from numpy.testing import TestCase from _tools import parametrize, assert_raises, skipTest list_of_known_notes = ( ( 'C-1', 0 ), ( 'C#-1', 1 ), ( 'd2', 38 ), ( 'C3', 48 ), ( 'B3', 59 ), ( 'B#3', 60 ), ( 'C♯4', 61 ), ( 'A4', 69 ), ( 'A#4', 70 ), ( 'A♯4', 70 ), ( 'A\u266f4', 70 ), ( 'Bb4', 70 ), ( 'B♭4', 70 ), ( 'B\u266d4', 70 ), ( 'G8', 115 ), ( 'G♯8', 116 ), ( 'G9', 127 ), ( 'A♮2', 45 ), ) list_of_known_notes_with_unicode_issues = ( ('C𝄪4', 62 ), ('E𝄫4', 62 ), ) list_of_unknown_notes = ( ( 'G\udd2a2' ), ( 'B\ufffd2' ), ( 'B\u266e\u266e2' ), ( 'B\u266f\u266d3' ), ( 'B33' ), ( 'C.3' ), ( 'A' ), ( '2' ), ) class Test_note2midi_good_values(object): @parametrize('note, midi', list_of_known_notes) def test_note2midi_known_values(self, note, midi): " known values are correctly converted " assert note2midi(note) == midi @parametrize('note, midi', list_of_known_notes_with_unicode_issues) def test_note2midi_known_values_with_unicode_issues(self, note, midi): " difficult values are correctly converted unless expected failure " try: assert note2midi(note) == midi except UnicodeEncodeError as e: # platforms with decoding failures include: # - osx: python <= 2.7.10 # - win: python <= 2.7.12 import sys strmsg = "len(u'\\U0001D12A') != 1, expected decoding failure" strmsg += " | upgrade to Python 3 to fix" strmsg += " | {:s} | {:s} {:s}" if len('\U0001D12A') != 1 and sys.version[0] == '2': skipTest(strmsg.format(repr(e), sys.platform, sys.version)) else: raise class note2midi_wrong_values(TestCase): def test_note2midi_missing_octave(self): " fails when passed only one character" self.assertRaises(ValueError, note2midi, 'C') def test_note2midi_wrong_modifier(self): " fails when passed a note with an invalid modifier " self.assertRaises(ValueError, note2midi, 'C.1') def test_note2midi_another_wrong_modifier_again(self): " fails when passed a note with a invalid note name " self.assertRaises(ValueError, note2midi, 'CB-3') def test_note2midi_wrong_octave(self): " fails when passed a wrong octave number " self.assertRaises(ValueError, note2midi, 'CBc') def test_note2midi_out_of_range(self): " fails when passed a note out of range" self.assertRaises(ValueError, note2midi, 'A9') def test_note2midi_wrong_note_name(self): " fails when passed a note with a wrong name" self.assertRaises(ValueError, note2midi, 'W9') def test_note2midi_low_octave(self): " fails when passed a note with a too low octave" self.assertRaises(ValueError, note2midi, 'C-9') def test_note2midi_wrong_data_type(self): " fails when passed a non-string value " self.assertRaises(TypeError, note2midi, 123) def test_note2midi_wrong_data_too_long(self): " fails when passed a note with a note name longer than expected" self.assertRaises(ValueError, note2midi, 'CB+-3') class Test_note2midi_unknown_values(object): @parametrize('note', list_of_unknown_notes) def test_note2midi_unknown_values(self, note): " unknown values throw out an error " assert_raises(ValueError, note2midi, note) class freq2note_simple_test(TestCase): def test_freq2note_above(self): " make sure freq2note(441) == A4 " self.assertEqual("A4", freq2note(441)) def test_freq2note_under(self): " make sure freq2note(439) == A4 " self.assertEqual("A4", freq2note(439)) class note2freq_simple_test(TestCase): def test_note2freq(self): " make sure note2freq('A3') == 220" self.assertEqual(220, note2freq("A3")) def test_note2freq_under(self): " make sure note2freq(A4) == 440" if float_type == 'float32': self.assertEqual(440, note2freq("A4")) else: self.assertLess(abs(note2freq("A4")-440), 1.e-12) if __name__ == '__main__': from _tools import run_module_suite run_module_suite()