def test_tonal_transposition(self):
scale = NoteSeq("C D E F G A B")
c = Note("C")
c_transp_fifth_up = c.tonal_transposition(5, scale)
c_transp_second_up = c.tonal_transposition(2, scale)
a = Note("A")
a_transp_fourth_up = a.tonal_transposition(4, scale)
a_transp_fifth_up = a.tonal_transposition(5, scale)
self.assertEqual(c_transp_fifth_up, Note("G"))
self.assertEqual(c_transp_second_up, Note("D"))
self.assertEqual(a_transp_fourth_up, Note("D''"))
self.assertEqual(a_transp_fifth_up, Note("E''"))
def test_tonal_transposition(self):
scale = NoteSeq("C D E F G A B")
c = Note("C")
c_transp_fifth_up = c.tonal_transposition(5, scale)
c_transp_second_up = c.tonal_transposition(2, scale)
a = Note("A")
a_transp_fourth_up = a.tonal_transposition(4, scale)
a_transp_fifth_up = a.tonal_transposition(5, scale)
self.assertEqual(c_transp_fifth_up, Note("G"))
self.assertEqual(c_transp_second_up, Note("D"))
self.assertEqual(a_transp_fourth_up, Note("D''"))
self.assertEqual(a_transp_fifth_up, Note("E''"))
