#! /usr/bin/env python# -*- coding: utf-8 -*- from aubio import midi2noteimport 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()