def test_octave_validation(self):
trck = Track(1, 'C', 'major', 4, 'octave')
trck.num_voices = 3
with self.assertRaises(ValueError) as error:
trck.octave = 6
self.assertEqual(
'Range too high. Reduce the number of voices, lower the starting octave, '
'or choose a larger interval type.', str(error.exception))
trck.num_voices = 1
trck.octave = 1
trck.octave = 7
with self.assertRaises(ValueError) as error:
trck.octave = 0
self.assertEqual(
'Octave out of range. Select octave in between 1 and 7.',
str(error.exception))
with self.assertRaises(ValueError) as error:
trck.octave = 8
self.assertEqual(
'Octave out of range. Select octave in between 1 and 7.',
str(error.exception))
with self.assertRaises(TypeError) as error:
trck.octave = '1'
self.assertEqual('Octave type error, integer expected.',
str(error.exception))
import os
import sys
sys.path.insert(0,
os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
from sonify.arrangement import Track # noqa
a = Track(3, 'F', 'major', 5, 'octave')
a.octave = 4
print(a.voices)
print(a.voice_freqs)