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#! /usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from aubio import note2midi, freq2note
import unittest
list_of_known_notes = (
( 'C-1', 0 ),
( 'C#-1', 1 ),
( 'd2', 38 ),
( 'C3', 48 ),
( 'B3', 59 ),
( 'B#3', 60 ),
( 'A4', 69 ),
( 'A#4', 70 ),
( 'Bb4', 70 ),
( 'B♭4', 70 ),
( 'G8', 115 ),
( 'G♯8', 116 ),
( 'G9', 127 ),
( 'G\udd2a2', 45 ),
( 'B\ufffd2', 45 ),
( 'A♮2', 45 ),
)
class note2midi_good_values(unittest.TestCase):
def test_note2midi_known_values(self):
" known values are correctly converted "
for note, midi in list_of_known_notes:
self.assertEqual ( note2midi(note), midi )
class note2midi_wrong_values(unittest.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)
class freq2note_simple_test(unittest.TestCase):
def test_freq2note(self):
" make sure freq2note(441) == A4 "
self.assertEqual("A4", freq2note(441))
if __name__ == '__main__':
unittest.main()
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