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#! /usr/bin/env python
# -*- coding: utf-8 -*-
from aubio import midi2note
import unittest
list_of_known_midis = (
( 0, 'C-1' ),
( 1, 'C#-1' ),
( 38, 'D2' ),
( 48, 'C3' ),
( 59, 'B3' ),
( 60, 'C4' ),
( 127, 'G9' ),
)
class midi2note_good_values(unittest.TestCase):
def test_midi2note_known_values(self):
" known values are correctly converted "
for midi, note in list_of_known_midis:
self.assertEqual ( midi2note(midi), note )
class midi2note_wrong_values(unittest.TestCase):
def test_midi2note_negative_value(self):
" fails when passed a negative value "
self.assertRaises(ValueError, midi2note, -2)
def test_midi2note_large(self):
" fails when passed a value greater than 127 "
self.assertRaises(ValueError, midi2note, 128)
def test_midi2note_floating_value(self):
" fails when passed a floating point "
self.assertRaises(TypeError, midi2note, 69.2)
def test_midi2note_character_value(self):
" fails when passed a value that can not be transformed to integer "
self.assertRaises(TypeError, midi2note, "a")
if __name__ == '__main__':
unittest.main()
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